Merge lp:~npg-team/openobject-addons/account_cash_discount_us_npg into lp:openobject-addons

[Novapoint Group]

NovaPoint Group has developed this module to provide the ability to process cash discounts paid on invoices. This works in conjunction with account_voucher_credits_us.(merge proposal made for this module)

Unmerged revisions

5304. By Novapoint Group on 2011-10-06

[Add]: account_cash_discount_us module to provide cash discounts on invoices

=== added directory 'account_cash_discount_us'
=== added file 'account_cash_discount_us/Change Log.txt'
--- account_cash_discount_us/Change Log.txt	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/Change Log.txt	2011-10-06 15:23:28 +0000
@@ -0,0 +1,53 @@
+===============================================================================
+ Version Change Log (account_cash_discount_us)
+===============================================================================
+1.15 (2011-09-16) -> Janeesh
+	* Added the onchange on amount in Pay Invoice
+	
+1.14 (2011-09-16) -> Arif
+	* Removed the onchange on amount in Pay Invoice
+	
+1.13 (2011-09-15) -> Sinoj & Arif
+	* Fixed the bug on calculation of discount on Pay Invoice
+	
+1.12 (2011-07-18) By Arif
+	* Added discount field in (Task ID: 362) in supplier payment
+
+1.10 -> 1.11 (2011-04-14) By Jabir
+	* Update the payment amount when discount is selected and clicked on recalculate button
+
+
+1.08 -> 1.09 (2011-04-14) By Jabir
+	* Add calculate button on Supplier Payment
+
+1.08 -> 1.09 (2011-04-08) By Jabir
+	* Supplier discount
+
+1.07 -> 1.08 (2011-02-04) By Sinoj
+	* Optimization and cleanup
+	
+
+1.06 -> 1.07 (2010-12-06) By jabir
+	* Removed discount wizard and changed domain filtering
+	
+1.05 -> 1.06 (2010-12-06) By jabir
+	* Take invoice partner instead of moveline partner
+
+ 1.04 -> 1.05 (2010-11-29) By Jabir
+ 	*  Fix placement of Cash Discount Separation Line
+
+ 1.03 -> 1.04 (2010-11-29) By Sinoj
+ 	* Account posting updated for National account
+
+ 1.02 -> 1.03 (2010-11-09) By Sinoj
+ 	* "Debit and Credits" wizard button moved to voucher line
+ 	* fields on wizard form are readonly
+ 	* fields on wizard are populated with default values
+ 	* removed
+
+ 1.01 -> 1.02 (2010-11-04) By jabir
+ 	* Add wizard Discount and Credits
+ 	* Create button Discount and Credits in customer payment form
+
+ 1.0 -> 1.01 (2010-11-04) By sinoj
+ 	* dependency changed from account_voucher_jdc to account_voucher_credits_us
\ No newline at end of file

=== added file 'account_cash_discount_us/__init__.py'
--- account_cash_discount_us/__init__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/__init__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+
+import account_cash_discount
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/__openerp__.py'
--- account_cash_discount_us/__openerp__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/__openerp__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+
+{
+    "name" : "Payment Term with Cash Discount",
+    "version" : "1.15",
+    "depends" : ["account","account_voucher_credits_us","account_cash_discount"],
+    "author" : "NovaPoint Group LLC",
+    "description" : "Cash discounts, based on payment terms",
+    "website" : "http://www.novapointgroup.com/",
+    "category" : "Generic Modules/Accounting",
+    "description": """
+    This module adds cash discounts on payment terms. Cash discounts
+    for a payment term can be configured with:
+        * A number of days,
+        * A discount (%),
+        * A debit and a credit account
+        * Sales and Purchase discounts are added to product and invoice line
+    """,
+    "init_xml" : [
+    ],
+    "demo_xml" : [
+    ],
+    "update_xml" : [
+        "account_cash_discount_view.xml",
+        "product_view.xml",
+        "security/ir.model.access.csv",
+    ],
+    "active": False,
+    "installable": True,
+
+}
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/__terp__.py'
--- account_cash_discount_us/__terp__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/__terp__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,52 @@
+# -*- encoding: utf-8 -*-
+##############################################################################
+#    
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.     
+#
+##############################################################################
+
+{
+    "name" : "Payment Term with Cash Discount",
+    "version" : "1.07",
+    "depends" : ["account","account_voucher_credits_us","account_cash_discount"],
+    "author" : "Tiny and NovaPoint Group LLC",
+    "description" : "Cash discounts, based on payment terms",
+    "website" : "http://www.novapointgroup.com/",
+    "category" : "Generic Modules/Accounting",
+    "description": """
+    This module adds cash discounts on payment terms. Cash discounts
+    for a payment term can be configured with:
+        * A number of days,
+        * A discount (%),
+        * A debit and a credit account 
+        * Sales and Purchase discounts are added to product and invoice line
+    """,
+    "init_xml" : [
+    ],
+    "demo_xml" : [
+    ],
+    "update_xml" : [
+        "account_cash_discount_view.xml",
+        "product_view.xml",
+        "security/ir.model.access.csv",
+    ],
+    "active": False,
+    "installable": True,
+
+}
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/account_cash_discount.py'
--- account_cash_discount_us/account_cash_discount.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,941 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+from collections import defaultdict
+from mx.DateTime import RelativeDateTime
+from osv import fields, osv
+from tools.translate import _
+import decimal_precision as dp
+import mx.DateTime
+from amount_to_words import amount_to_words
+from tools.amount_to_text_en import amount_to_text
+
+def _combinations(iterable, r):
+    '''
+    @return: combination generator object
+
+    Example
+    combinations(’ABCD’, 2) --> AB AC AD BC BD CD
+    combinations(range(4), 3) --> 012 013 023 123
+    '''
+    pool = tuple(iterable)
+    n = len(pool)
+    if r > n:
+        return
+    indices = range(r)
+    yield tuple(pool[i] for i in indices)
+    while True:
+        for i in reversed(range(r)):
+            if indices[i] != i + n - r:
+                break
+        else:
+            return
+        indices[i] += 1
+        for j in range(i+1, r):
+            indices[j] = indices[j-1] + 1
+        yield tuple(pool[i] for i in indices)
+
+
+class account_payment_term(osv.osv):
+    _name = "account.payment.term"
+    _inherit = "account.payment.term"
+    _columns = {
+        'cash_discount_ids': fields.one2many('account.cash.discount', 'payment_id', 'Cash Discounts'),
+    }
+    def get_discounts(self, cr, uid, id, base_date, context={}):
+        """
+        return the list of (date,percentage) ordered by date for the
+        payment term with the corresponding id. return [] if no cash
+        discount are defined. base_date is the date from where the
+        discounts are computed.
+        """
+        res=[]
+        for pt in self.browse(cr, uid, id, context):
+        
+            if not pt.cash_discount_ids:
+                continue
+    
+            for d in pt.cash_discount_ids:
+                res.append(
+                    ((mx.DateTime.strptime(base_date,'%Y-%m-%d') +\
+                      RelativeDateTime(days=d.delay)).strftime("%Y-%m-%d"),
+                     d.discount)
+                    )
+
+        res.sort(cmp=lambda x,y: cmp(x[0],y[0]))
+        return res
+account_payment_term()
+
+class account_invoice(osv.osv):
+    '''
+        Add discount calculation to invoice
+    '''
+    _inherit = 'account.invoice'
+
+    def _get_discount(self, cr, uid,  ids, field_name, args, context={}):
+        '''
+        Calculate the value of variable date_discount (Discount Date) and amount_discounted (Discounted Total)
+        '''
+
+        if context is None:
+            context = {}
+        for invoice in self.browse(cr, uid, ids, context):
+            res = defaultdict(list)
+            res[invoice.id] = {
+                'date_discount': invoice.date_due,
+                'amount_discounted': invoice.amount_total
+            }
+            if not invoice.date_invoice:
+                invoice_date = mx.DateTime.today().strftime("%Y-%m-%d")
+                self.write(cr, uid, [invoice.id], {'date_invoice': invoice_date}, context)
+            else:
+                invoice_date = invoice.date_invoice
+            discounts = invoice.payment_term and invoice.payment_term.get_discounts(invoice_date, context=context)
+            if discounts:
+                line_obj = self.pool.get('account.invoice.line')
+                discount_total = 0.0
+                non_discount_total = 0.0
+                for line in invoice.invoice_line:
+                    if line.cash_discount:
+                        discount_total += line.price_subtotal
+                        line_cash_discount =  round((1.0 - discounts[0][1]) * line.price_subtotal)
+                        line_obj.write(cr, uid, line.id, {'cash_discount': line_cash_discount}, context)
+                    else:
+                        non_discount_total += line.price_subtotal
+                        line_obj.write(cr, uid, line.id, {'cash_discount': 0.0}, context)
+                # assume taxes are never discountable
+                non_discount_total += invoice.amount_tax
+                # There may be more than one - return the earliest
+                res[invoice.id] = {
+                    'date_discount': discounts[0][0],
+                    'amount_discounted': round(((1.0 - discounts[0][1]) * discount_total) + non_discount_total,2)
+                }
+            return defaultdict(type([]),res)
+
+    _columns = {
+        'date_discount': fields.function(_get_discount, method=True, type='date', string='Discount Date', multi='all'),
+        'amount_discounted': fields.function(_get_discount, method=True, type='float', digits_compute=dp.get_precision('Account'), string='Discounted Total',
+            multi='all'),
+    }
+account_invoice()
+
+class account_invoice_pay_writeoff(osv.osv_memory):
+    """
+    Opens the write off amount pay form.
+    """
+    _name = "account.invoice.pay.writeoff"
+    _description = "Pay Invoice  "
+    _columns = {
+        'writeoff_acc_id': fields.many2one('account.account', 'Write-Off account', required=True),
+        'writeoff_journal_id': fields.many2one('account.journal', 'Write-Off journal', required=True),
+        'comment': fields.char('Comment', size=64, required=True),
+        'analytic_id': fields.many2one('account.analytic.account','Analytic Account'),
+        }
+    _defaults = {
+        'comment': 'Write-Off',
+        }
+
+account_invoice_pay_writeoff()
+
+class account_invoice_pay(osv.osv_memory):
+    """
+    Generate pay invoice wizard, user can make partial or full payment for invoice.
+    """
+    _name = "account.invoice.pay"
+    _description = "Pay Invoice  "
+    _columns = {
+        'amount': fields.float('Amount paid', required=True, digits_compute = dp.get_precision('Account')),
+        'name': fields.char('Entry Name', size=64, required=True),
+        'date': fields.date('Date payment', required=True),
+        'journal_id': fields.many2one('account.journal', 'Journal/Payment Mode', required=True, domain=[('type','=','cash')]),
+        'period_id': fields.many2one('account.period', 'Period', required=True),
+        }
+
+    def view_init(self, cr, uid, ids, context=None):
+        invoice = self.pool.get('account.invoice').browse(cr, uid, context['active_id'], context=context)
+        if invoice.state in ['draft', 'proforma2', 'cancel']:
+            raise osv.except_osv(_('Error !'), _('Can not pay draft/proforma/cancel invoice.'))
+        pass
+
+    def _get_period(self, cr, uid, context=None):
+        '''
+        Initialise Period
+        '''
+        ids = self.pool.get('account.period').find(cr, uid, context=context)
+        period_id = False
+        if len(ids):
+            period_id = ids[0]
+        return period_id
+
+    def _get_amount(self, cr, uid, context=None):
+        '''
+        Get default value of Amount paid
+        '''
+        return self.pool.get('account.invoice').browse(cr, uid, context['active_id'], context=context).residual
+
+    _defaults = {
+        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'period_id': _get_period,
+        'amount': _get_amount,
+        }
+account_invoice_pay()
+
+class account_voucher(osv.osv):
+    _name = 'account.voucher'
+    _inherit = 'account.voucher'
+    def calc_supp_diff(self, cr, uid, ids, context={}):
+        '''
+            Called by calculate/re-calculate action.
+            This method will update the credit lines on voucher lines.
+            If the field "auto_match" marked, this method will run a matching routine
+        '''
+        res = {'nodestroy':True}
+        amount_cash_discount = 0.0
+        amount_interest = 0.0
+        
+        for vch in self.browse(cr, uid, ids):
+            for line in vch.line_dr_ids:
+                '''
+                    Update the credit lines and discount lines so that matching routine can use the latest available credits and discounts
+                '''
+#                line._update_debit_lines( context=context)
+                line._update_supp_discount_lines(context=context)
+
+#            if vch.auto_match:
+#                '''
+#                    Try the matching routine including the manual selection
+#                '''
+#                ret = self._find_exact_match(cr, uid, vch.line_cr_ids, vch.amount, mark_pay=False, use_discount=False, context=False)
+#                if not ret:
+#                    '''
+#                        Try to match considering all voucher lines
+#                    '''
+#                    ret = self._find_exact_match(cr, uid, vch.line_cr_ids, vch.amount, mark_pay=True, use_discount=False, context=False)
+#                if not ret:
+#                    '''
+#                        Try to match considering discount
+#                    '''
+#                    ret = self._find_exact_match(cr, uid, vch.line_cr_ids, vch.amount, mark_pay=True, use_discount=True, context=False)
+            
+        return res
+
+    def _update_discounts(self, lines, vch_date):
+        date_discount = False
+        amount_discount = False
+        for line in lines:
+            if 'date_discount' in line:
+                date_discount = line['date_discount']
+                amount_discounted = line['amount_discounted']
+            else:
+                return
+            if line['amount'] >= line['amount_unreconciled']:
+                amount_discount = 0.0
+            elif vch_date <= date_discount and line['amount'] <= line['amount_unreconciled'] and line['amount'] >= amount_discounted:
+                amount_discount = max(line['amount_unreconciled'] - amount_discounted, 0.0)
+            elif vch_date <= date_discount and line['amount'] < amount_discounted:
+                amount_discount = max(line['amount_unreconciled'] - amount_discounted, 0.0)
+            line['cash_discount'] = amount_discount
+            line['amount_difference'] = line['amount_unreconciled'] - line['amount'] - amount_discount
+
+
+    def onchange_partner_id(self, cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context={}):
+        '''
+        Function to update fields in customer payment form on changing customer
+        '''
+        if context is None:
+            context = {}
+            
+        currency_pool = self.pool.get('res.currency')
+        journal_pool = self.pool.get('account.journal')
+        invoice_pool = self.pool.get('account.invoice')
+        line_pool = self.pool.get('account.voucher.line')
+        move_line_pool = self.pool.get('account.move.line')
+        partner_pool = self.pool.get('res.partner')
+        company_currency = False
+
+        default = super(account_voucher, self).onchange_partner_id(cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context={})
+        if not partner_id:
+            return default
+        # we have to clear out lines, because new lines will be created by the change
+        if partner_id and not journal_id:
+            partner = partner_pool.browse(cr, uid, partner_id, context)
+            if partner._columns.has_key('payment_meth_id') and partner.payment_meth_id:
+                payment_mode_pool = self.pool.get('payment.mode')
+                payment_meth = payment_mode_pool.browse(cr, uid, partner.payment_meth_id.id, context)
+                if payment_meth:
+                    default['value']['journal_id'] = payment_meth.journal.id
+                    journal_id = payment_meth.journal.id
+        if ids:
+            line_ids = line_pool.search(cr, uid, [('voucher_id','=',ids[0])])
+            if line_ids:
+                line_pool.unlink(cr, uid, line_ids)
+        if journal_id:
+            journal = journal_pool.browse(cr, uid, journal_id)
+            company_currency = journal.company_id.currency_id.id
+
+        total_credit = 0.0
+        total_debit = 0.0
+        vch_date = False
+        for vch in self.browse(cr, uid, ids):
+            vch_date = vch.date
+        if default and 'value' in default and 'line_cr_ids' in default['value']:
+            for line in default['value']['line_cr_ids']:
+                invoice_id = invoice_pool.search(cr, uid, [('number', '=', line['name'])])
+                if invoice_id:
+                    line['invoice_id'] = invoice_id[0]
+                    invoice = invoice_pool.browse(cr, uid, invoice_id[0], )
+                    date_discount = invoice.date_discount
+                    amount_discounted = invoice.amount_discounted
+                    line['date_discount'] = date_discount
+                    line['amount_discounted'] = amount_discounted
+                else:
+                    line['date_discount'] = False
+                    line['amount_discounted'] = 0.0
+                line['amount'] = 0.0
+                total_credit += line['type'] == 'cr' and line['amount_unreconciled'] or 0.0
+                total_debit += line['type'] == 'dr' and line['amount_unreconciled'] or 0.0
+            # first, see if we can find an invoice matching the amount to be applied
+            found = False
+            def calc_amount(line, total):
+                return min(line['amount_unreconciled'], total)
+            lines = default['value']['line_cr_ids']
+            if len(lines) == 0:
+                 return default
+#                return False
+            # if only one, assign it
+            if len(lines) == 1:
+                for line in lines:
+                    if line['type'] == 'cr':
+                        amount = price
+                        line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                        total_credit -= amount
+                        found = True
+                        break
+                    else:
+                        amount = price
+                        line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                        total_debit -= amount
+                        found = True
+                        break
+                self._update_discounts(lines, vch_date)
+            if not found:
+                for line in lines:
+                    if line['amount_unreconciled'] == price:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, total_credit)
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                            total_credit -= amount
+                            found = True
+                            break
+                        else:
+                            amount = calc_amount(line, total_debit)
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                            total_debit -= amount
+                            found = True
+                            break
+            if not found:
+                # see if we can find a combination that matches
+                def search(lines, price):
+                    for i in range(0, len(lines)):
+                        if lines[i]['amount_unreconciled'] == price:
+                            return [lines[i]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            if lines[i]['amount_unreconciled'] + lines[j]['amount_unreconciled'] == price:
+                                return [lines[i],lines[j]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            for k in range(j + 1, len(lines)):
+                                if lines[i]['amount_unreconciled'] + lines[j]['amount_unreconciled'] + lines[k]['amount_unreconciled']== price:
+                                    return [lines[i],lines[j],lines[k]]
+                line_ids = search(lines, price)
+
+                if line_ids: # and sum == price:
+                    for line in line_ids:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, line['amount_unreconciled'])
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount)
+                            total_debit -= amount
+                            found = True
+                        else:
+                            amount = calc_amount(line, line['amount_unreconciled'])
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount)
+                            total_credit -= amount
+                            found = True
+            if not found:
+                # see if we can find a match using discounted amount
+                def search2(lines, price):
+                    for i in range(0, len(lines)):
+                        if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) == price:
+                            return [lines[i]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) + min(lines[j]['amount_unreconciled'],lines[j]['amount_discounted']) == price:
+                                return [lines[i],lines[j]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            for k in range(j + 1, len(lines)):
+                                if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) + min(lines[j]['amount_unreconciled'],lines[j]['amount_discounted']) + min(lines[k]['amount_unreconciled'],lines[k]['amount_discounted']) == price:
+                                    return [lines[i],lines[j],lines[k]]
+                line_ids = search(lines, price)
+                lines = default['value']['line_cr_ids']
+                line_ids = search2(lines, price)
+                if line_ids:
+                    for line in line_ids:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, min(line['amount_unreconciled'],line['amount_discounted']))
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, min(line['amount_unreconciled'],line['amount_discounted']))
+                            total_debit -= amount
+                            found = True
+                        else:
+                            amount = calc_amount(line, min(line['amount_unreconciled'],line['amount_discounted']))
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, min(line['amount_unreconciled'],line['amount_discounted']))
+                            total_credit -= amount
+                            found = True
+                lines = default['value']['line_cr_ids']
+        '''
+            FIXME : removing amount from line_dr_ids (Credits on customer payment form) line.
+                    and amount from line_cr_ids (Invoice and outstanding transactions on customer payment form) line
+                    I do not think this this is a good solution. But it works.
+                    The whole "onchange_partner_id" function need a re-thinking (may have to rewrite it completely instead of calling super ).
+        '''
+        if default:
+            for credit_line in default['value'].get('line_dr_ids',[]):
+                credit_line['amount'] = 0.0
+            for invoce_line in default['value'].get('line_cr_ids',[]):
+                invoce_line['amount'] = 0.0
+                invoce_line['amount_difference'] = invoce_line['amount_unreconciled']
+        return default
+
+    def calc_cash_discount(self, cr, uid, ids, vch, line, context={}):
+        '''
+            Calculate discount per line
+        '''
+        total_allocated = 0.0
+        for line in vch.line_ids:
+            total_allocated += line.amount
+        context.update({'total_allocated': total_allocated, 'total_amount': vch.date})
+        amount_discount = 0.0
+        if line.amount >= line.amount_unreconciled or line.amount < 0.01 :
+            amount_discount = 0.0
+        elif line.amount >= line.amount_discounted and vch.date <= line.date_discount:
+            amount_discount = line.amount_unreconciled - line.amount_discounted
+        return amount_discount
+
+
+    def onchange_amount(self, cr, uid, ids, amount, context={}):
+        if not context:
+            context = {}
+        result = {}
+        currency_format =  self.pool.get('res.users').browse(cr, uid, uid).company_id.currency_format
+        if currency_format=='us':
+                amount_in_words = amount_to_words(amount)
+        else: amount_in_words = amount_to_text(amount)
+        result['amount_in_word']=amount_in_words
+        return {'value':result}
+account_voucher()
+
+class account_voucher_line(osv.osv):
+    _name = 'account.voucher.line'
+    _inherit = 'account.voucher.line'
+    def onchange_supp_pay(self, cr, uid, ids, line_amount, pay, amount_unreconciled,par_cr_ids, par_amount, credit_used, discount_used, writeoff_amount=0, context={}):
+        '''
+        Function to automatically fill the values when the pay checkbox is selected
+        '''
+        ret = {}
+        writeoff_amount = (not writeoff_amount and [0] or [writeoff_amount])[0]
+        discount_used = (not discount_used and [0] or [discount_used])[0]
+        credit_used = (not credit_used and [0] or [credit_used])[0]
+        if pay:
+            tot_amt = par_amount + line_amount
+            for credit in par_cr_ids:
+                if credit[2].get('pay'):
+                    tot_amt -= (credit[2]['amount'])
+            if tot_amt < 0:
+                ret['amount'] = 0.0
+            else:
+                amount_unreconciled -= (discount_used+writeoff_amount+credit_used)
+                ret['amount'] = min(tot_amt,(amount_unreconciled<0) and 0 or amount_unreconciled)
+        else:
+            ret['amount'] = 0.0
+        return {'value':ret}
+    def recalculate_supp_values(self, cr, uid, ids, context={}):
+        '''
+            Re-calculate button action
+        '''
+        if type(ids) == type([]):
+            voucher_line = self.browse(cr,uid,ids[0])
+        else:
+            voucher_line = self.browse(cr,uid,ids)
+        if voucher_line.discount_used:
+            print "discount_useddiscount_useddiscount_useddiscount_useddiscount_useddiscount_useddiscount_useddiscount_useddiscount_useddiscount_used"
+            self.write(cr,uid,ids,{'amount':voucher_line.amount_unreconciled - voucher_line.discount_used})
+        self.pool.get('account.voucher').calc_supp_diff(cr, uid, [voucher_line.voucher_id.id])
+        return True
+
+
+
+    def _update_credit_lines(self,cr, uid, ids, context):
+        '''
+        Function to update the credit lines in payment lines
+        '''
+        credits_used_pool = self.pool.get('account.voucher.line.credits_to_use')
+        for line in self.browse(cr , uid, ids, context):
+            credits_lines_used = [x.orginal_credit_line_id.id for x in line.available_credits]
+            for credit_line in line.voucher_id.line_dr_ids :
+                if credit_line.id not in credits_lines_used and line.invoice_id and line.invoice_id.payment_term:
+                    credits_used_pool.create(cr, uid, {
+                                'voucher_line_id': line.id,
+                                'orginal_credit_line_id':credit_line.id,
+                                'use_credit': False,
+                                'inv_credit': credit_line.move_line_id.id,
+                                'discount_window_date': credit_line.date_original,
+                                'orginal_amount': credit_line.amount_original,
+                                'available_amount': credit_line.amount_unreconciled - credit_line.pending_credits,
+                                'discount_amount': 0.0,
+                                'gl_account' : credit_line.account_id.id,})
+                else :
+                    to_update_credit_line_ids = credits_used_pool.search(cr,uid,[('voucher_line_id','=',line.id),( 'orginal_credit_line_id','=',credit_line.id)], context=context)
+                    if to_update_credit_line_ids:
+                        credits_used_pool.write(cr, uid,to_update_credit_line_ids,{'available_amount': credit_line.amount_unreconciled-credit_line.pending_credits}, context=context)
+
+    def _update_discount_lines(self,cr, uid, ids, context):
+        '''
+        Function to update the discount lines in payment lines
+        '''
+
+        discount_used_pool = self.pool.get('account.voucher.line.discount_to_use')
+        user_pool = self.pool.get('res.users')
+        user = user_pool.browse(cr, uid, uid, context)
+        for line in self.browse(cr , uid, ids, context):
+            if line.invoice_id:
+                if not line.invoice_id.date_discount or not line.voucher_id.date or  line.voucher_id.date > line.invoice_id.date_discount:
+                    '''
+                        customer is not eligible for the discount
+                    '''
+                    continue
+                
+                discount = line.invoice_id.amount_total  - line.invoice_id.amount_discounted
+                date_discount = line.invoice_id.date_discount
+                discount_found = False
+                for discount_line in line.available_discounts:
+                    #if abs(discount - discount_line.proposed_discount) < 0.01 and line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                    if line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                        discount_found = True
+                        continue
+                if not discount_found and user.company_id.sales_discount_account:
+                    '''
+                    TODO : calculate/findout the discount_window_date (The last day of the discount window. To receive discounts payments must be paid on or before this date.)
+                    '''
+                    discount_used_pool.create(cr, uid, {
+                                'voucher_line_id': line.id,
+                                'use_discount': False,
+                                'inv_payment_terms':line.invoice_id.payment_term.id ,
+                                'discount_window_date': date_discount,
+                                'proposed_discount': discount,
+                                'discount_amount': 0.0,
+                                'gl_account':user.company_id.sales_discount_account.id
+                                }, context=context)
+
+    def _update_supp_discount_lines(self,cr, uid, ids, context):
+        '''
+        Function to update the discount lines in payment lines
+        '''
+
+        discount_used_pool = self.pool.get('account.voucher.line.discount_to_use')
+        user_pool = self.pool.get('res.users')
+        user = user_pool.browse(cr, uid, uid, context)
+        for line in self.browse(cr , uid, ids, context):
+            if line.invoice_id:
+                if not line.invoice_id.date_discount or not line.voucher_id.date or  line.voucher_id.date > line.invoice_id.date_discount:
+                    '''
+                        customer is not eligible for the discount
+                    '''
+                    continue
+                
+                discount = line.invoice_id.amount_total  - line.invoice_id.amount_discounted
+                date_discount = line.invoice_id.date_discount
+                discount_found = False
+                for discount_line in line.available_discounts:
+                    #if abs(discount - discount_line.proposed_discount) < 0.01 and line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                    if line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                        discount_found = True
+                        continue
+                if not discount_found and user.company_id.purchase_discount_account:
+                    '''
+                    TODO : calculate/findout the discount_window_date (The last day of the discount window. To receive discounts payments must be paid on or before this date.)
+                    '''
+                    discount_used_pool.create(cr, uid, {
+                                'voucher_line_id': line.id,
+                                'use_discount': False,
+                                'inv_payment_terms':line.invoice_id.payment_term.id ,
+                                'discount_window_date': date_discount,
+                                'proposed_discount': discount,
+                                'discount_amount': 0.0,
+                                'gl_account':user.company_id.purchase_discount_account.id
+                                }, context=context)
+
+
+    def _compute_discount_used(self, cr, uid, ids, name, args, context=None):
+        '''
+        Function to calculate the value of variable discount used
+        '''
+        res = {}
+        for line in self.browse(cr, uid, ids):
+            res[line.id] = 0.0
+            for discount_line in line.available_discounts:
+                if discount_line.use_discount :
+                    res[line.id] +=  discount_line.discount_amount
+        return res
+
+    def _compute_balance(self, cr, uid, ids, name, args, context=None):
+        '''
+        Function to calculate the value of variables Cash Discount, Interest and Amt Due
+        '''
+        currency_pool = self.pool.get('res.currency')
+        rs_data = super(account_voucher_line, self)._compute_balance(cr, uid, ids, name, args, context)
+        for line in self.browse(cr, uid, ids):
+            amount_cash_discount = self.calc_cash_discount(cr, uid, ids, vch, line)
+            amount_interest = self.calc_interest(vch, line, line.amount)
+            amount_unreconciled = 0.0
+            move_line = line.move_line_id or False
+            if move_line:
+                amount_unreconciled = currency_pool.compute(cr, uid, company_currency, voucher_currency, move_line.amount_unreconciled - amount_cash_discount - line.writeoff)
+            rs_data[line.id] = {'cash_discount': amount_cash_discount, 'interest': amount_interest, 'amount_unreconciled': amount_unreconciled}
+        return rs_data
+
+    def _get_discount(self, cr, uid,  ids, field_name, args, context={}):
+        """
+        Function to calculate the value of variable date_discount,amount_discounted,cash_discount,amount_difference
+        return the values as dictionary
+        """
+
+        if context is None:
+            context = {}
+        invoice_obj = self.pool.get('account.invoice')
+        move_line_obj = self.pool.get('account.move.line')
+        voucher_line = self.browse(cr, uid, ids)
+        vch = self.pool.get('account.voucher').browse(cr, uid, voucher_line[0].voucher_id.id)
+        res = {}
+        for line in voucher_line:
+            if line.type == 'dr':
+                res[line.id] = {
+                    'date_discount': '',
+                    'amount_discounted': line.amount,
+                    'cash_discount': 0.0,
+                    'amount_difference': line.amount_unreconciled - line.amount ,
+                }
+                continue
+            move_line = move_line_obj.browse(cr, uid, line.move_line_id.id)
+            invoice_number = move_line.name or move_line.ref
+            invoice_id = False
+            if invoice_number and invoice_number != '/':
+                invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if not invoice_id:
+                move = self.pool.get('account.move').browse(cr, uid, move_line.move_id.id)
+                if move:
+                    invoice_number = move.name or move.ref
+                    if invoice_number and invoice_number != '/':
+                        invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if invoice_id:
+                for invoice in invoice_obj.browse(cr, uid, invoice_id, context):
+                    date_discount = invoice.date_due
+                    amount_discounted = invoice.amount_total
+                    res[line.id] = {
+                        'date_discount': invoice.date_due,
+                        'amount_discounted': invoice.amount_total
+                    }
+                    if not invoice.date_invoice:
+                        invoice_date = mx.DateTime.today().strftime("%Y-%m-%d")
+                        self.write(cr, uid, [invoice.id], {'date_invoice': invoice_date}, context)
+                    else:
+                        invoice_date = invoice.date_invoice
+                    discounts = invoice.payment_term and invoice.payment_term.get_discounts(invoice_date, context=context) or False
+                    if discounts:
+                        line_obj = self.pool.get('account.invoice.line')
+                        discount_total = 0.0
+                        non_discount_total = 0.0
+                        for invline in invoice.invoice_line:
+                            if invline.cash_discount:
+                                discount_total += invline.price_subtotal
+                                line_cash_discount =  round((1.0 - discounts[0][1]) * invline.price_subtotal)
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': line_cash_discount}, context)
+                            else:
+                                non_discount_total += invline.price_subtotal
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': 0.0}, context)
+                        # assume taxes are never discountable
+                        non_discount_total += invoice.amount_tax
+                        # There may be more than one - return the earliest
+                        date_discount = discounts[0][0]
+                        amount_discounted = round(((1.0 - discounts[0][1]) * discount_total) + non_discount_total,2)
+                amount_discount = 0.0
+                if line.amount >= line.amount_unreconciled or line.amount < 0.01:
+                    amount_discount = 0.0
+                elif vch.date <= date_discount and line.amount <= line.amount_unreconciled:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted, 0.0)
+                elif vch.date <= date_discount and line.amount < amount_discounted:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted,0.0)
+                else:
+                    amount_discount = 0.0
+
+                res[line.id] = {
+                    'date_discount': date_discount,
+                    'amount_discounted': amount_discounted,
+                    'cash_discount': amount_discount,
+                    'amount_difference': line.amount_unreconciled - line.amount - line.credit_used - line.discount_used - (line._columns.has_key('writeoff_amount') and line['writeoff_amount']),#- amount_discount
+                }
+        return  defaultdict(type([]),res)
+    def _get_supp_discount(self, cr, uid,  ids, field_name, args, context={}):
+        """
+        Function to calculate the value of variable date_discount,amount_discounted,cash_discount,amount_difference
+        return the values as dictionary
+        """
+
+        if context is None:
+            context = {}
+        invoice_obj = self.pool.get('account.invoice')
+        move_line_obj = self.pool.get('account.move.line')
+        voucher_line = self.browse(cr, uid, ids)
+        vch = self.pool.get('account.voucher').browse(cr, uid, voucher_line[0].voucher_id.id)
+        res = {}
+        for line in voucher_line:
+            if line.type == 'cr':
+                res[line.id] = {
+                    'date_discount': '',
+                    'amount_discounted': line.amount,
+                    'cash_discount': 0.0,
+                    'supp_amount_difference': line.amount_unreconciled - line.amount ,
+                    'discount' : False
+                }
+                continue
+            move_line = move_line_obj.browse(cr, uid, line.move_line_id.id)
+            invoice_number = move_line.name or move_line.ref
+            invoice_id = False
+            if invoice_number and invoice_number != '/':
+                invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if not invoice_id:
+                move = self.pool.get('account.move').browse(cr, uid, move_line.move_id.id)
+                if move:
+                    invoice_number = move.name or move.ref
+                    if invoice_number and invoice_number != '/':
+                        invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if invoice_id:
+                for invoice in invoice_obj.browse(cr, uid, invoice_id, context):
+                    date_discount = invoice.date_due
+                    amount_discounted = invoice.amount_total
+                    res[line.id] = {
+                        'date_discount': invoice.date_due,
+                        'supp_amount_difference': invoice.amount_total
+                    }
+                    if not invoice.date_invoice:
+                        invoice_date = mx.DateTime.today().strftime("%Y-%m-%d")
+                        self.write(cr, uid, [invoice.id], {'date_invoice': invoice_date}, context)
+                    else:
+                        invoice_date = invoice.date_invoice
+                    discounts = invoice.payment_term and invoice.payment_term.get_discounts(invoice_date, context=context) or False
+                    if discounts:
+                        line_obj = self.pool.get('account.invoice.line')
+                        discount_total = 0.0
+                        non_discount_total = 0.0
+                        for invline in invoice.invoice_line:
+                            if invline.cash_discount:
+                                discount_total += invline.price_subtotal
+                                line_cash_discount =  round((1.0 - discounts[0][1]) * invline.price_subtotal)
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': line_cash_discount}, context)
+                            else:
+                                non_discount_total += invline.price_subtotal
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': 0.0}, context)
+                        # assume taxes are never discountable
+                        non_discount_total += invoice.amount_tax
+                        # There may be more than one - return the earliest
+                        date_discount = discounts[0][0]
+                        amount_discounted = round(((1.0 - discounts[0][1]) * discount_total) + non_discount_total,2)
+                amount_discount = 0.0
+                if line.amount >= line.amount_unreconciled or line.amount < 0.01:
+                    amount_discount = 0.0
+                elif vch.date <= date_discount and line.amount <= line.amount_unreconciled:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted, 0.0)
+                elif vch.date <= date_discount and line.amount < amount_discounted:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted,0.0)
+                else:
+                    amount_discount = 0.0
+                discount=False
+                if line.available_discounts:
+#                if line.discount_used:
+                    discount=True
+                res[line.id] = {
+                    'date_discount': date_discount,
+                    'amount_discounted': amount_discounted,
+                    'cash_discount': amount_discount,
+                    'supp_amount_difference': line.amount_unreconciled - line.amount - line.credit_used - line.discount_used - (line._columns.has_key('writeoff_amount') and line['writeoff_amount']),#- amount_discount
+                    'discount':discount
+                }
+        return  defaultdict(type([]),res)
+
+
+    _columns = {
+        'date_discount': fields.function(_get_discount, method=True, type='date', string='Discount Date',
+            multi='all'),
+        'amount_discounted': fields.function(_get_discount, method=True, type='float', digits_compute=dp.get_precision('Account'), string='Discounted Total',
+            multi='all'),
+        'cash_discount': fields.function(_get_discount, method=True, type='float', multi="all", digits_compute=dp.get_precision('Account'), string='Cash Discount',sequence=20),
+        'amount_difference': fields.function(_get_discount, method=True, multi='all', type='float', string='Unpaid Amt', digits=(16, 2) ),
+        'supp_amount_difference': fields.function(_get_supp_discount, method=True, multi='all', type='float', string='Unpaid Amt', digits=(16, 2) ),
+        'interest': fields.float(string='Interest', digits=(16,2)),
+
+        #'discount_used':fields.float('Discount used', readonly=True),
+        'discount_used': fields.function(_compute_discount_used, method=True, type='float', string='Discount Used', store=False, readonly=True,sequence=10),
+        'available_discounts':fields.one2many('account.voucher.line.discount_to_use', 'voucher_line_id', 'Available Discounts'  ),
+        'discount': fields.function(_get_supp_discount, method=True, multi='all', type='boolean', string='Discount',  readonly=True, sequence=20)
+    }
+    def clear_values(self, cr, uid, ids, context={}):
+        '''
+        Clear the selected credits, discounts and writeoffs from voucher line
+        '''
+        voucher_line = self.browse(cr,uid,ids[0])
+        if voucher_line._columns.has_key('writeoff_ids'):
+            for lines in self.read(cr,uid,ids,['available_credits','writeoff_ids','available_discounts']):
+                lines['writeoff_ids'] and self.pool.get('account.voucher.line.writeoff').unlink(cr,uid,lines['writeoff_ids'])
+                lines['available_credits'] and self.pool.get('account.voucher.line.credits_to_use').write(cr,uid,lines['available_credits'],{
+                                                                                                                            'use_credit':False,
+                                                                                                                            'discount_amount':0.0})
+                lines['available_discounts'] and self.pool.get('account.voucher.line.discount_to_use').write(cr,uid,lines['available_discounts'],{
+                                                                                                                            'use_discount':False,
+                                                                                                                        'discount_amount':0.0})
+        else:
+            for lines in self.read(cr,uid,ids,['available_credits','writeoff_ids','available_discounts']):
+                lines['available_credits'] and self.pool.get('account.voucher.line.credits_to_use').write(cr,uid,lines['available_credits'],{
+                                                                                                                            'use_credit':False,
+                                                                                                                            'discount_amount':0.0})
+                lines['available_discounts'] and self.pool.get('account.voucher.line.discount_to_use').write(cr,uid,lines['available_discounts'],{
+                                                                                                                            'use_discount':False,
+                                                                                                                        'discount_amount':0.0})
+        return True
+account_voucher_line()
+
+class product_product(osv.osv):
+    '''
+        Add new account configuration fields to product
+    '''
+    _name = "product.product"
+    _inherit = 'product.product'
+    _columns = {
+        'cash_discount': fields.boolean('Cash Discount?'),
+        'purchase_discount_account': fields.many2one('account.account', 'Purchase Discount Account', domain=[('user_type','=','COGS')]),
+        'sales_discount_account': fields.many2one('account.account', 'Sales Discount Account', domain=[('type','!=','view'),('type','!=','consolidation'),('user_type','ilike','income')]),
+        'purchase_discount_journal': fields.many2one('account.journal', 'Purchase Discount Journal', domain=[('type','!=','view'),('type','!=','consolidation'),('type','=','purchase')]),
+        'sales_discount_journal': fields.many2one('account.journal', 'Sales Discount Journal', domain=[('type','=','sale')]),
+    }
+    _defaults = {
+        'cash_discount' : lambda *a : True,
+    }
+product_product()
+
+class account_invoice_line(osv.osv):
+    '''
+        option to disable discount calculation per invoice line
+    '''
+    _name = 'account.invoice.line'
+    _inherit = 'account.invoice.line'
+    _columns = {
+        'cash_discount': fields.boolean('Cash Discount?'),
+    }
+    _defaults = {
+        'cash_discount' : lambda *a : True,
+    }
+    def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, currency_id=False, context=None):
+        '''
+            check if the discount is applicable to newly selected product
+        '''
+        result = {}
+        result = super(account_invoice_line, self).product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, address_invoice_id, currency_id, context)
+        if product:
+            res = self.pool.get('product.product').browse(cr, uid, product, context=context)
+            result['value']['cash_discount'] = res.cash_discount
+        else:
+            result['value']['cash_discount'] = True
+        return result
+account_invoice_line()
+
+class res_company(osv.osv):
+    '''
+        New account configuration fields on copmany form
+    '''
+    _name = 'res.company'
+    _inherit = 'res.company'
+    _columns = {
+        'purchase_discount_account': fields.many2one('account.account', 'Purchase Discount Account', domain=[('user_type','=','COGS'),('type','!=','view'),('type','!=','consolidation')]),
+        'sales_discount_account': fields.many2one('account.account', 'Sales Discount Account', domain=[('user_type','=','Income'),('type','!=','view'),('type','!=','consolidation')]),
+        'purchase_discount_journal': fields.many2one('account.journal', 'Purchase Discount Journal', domain=[('type','=','purchase')]),
+        'sales_discount_journal': fields.many2one('account.journal', 'Sales Discount Journal', domain=[('type','=','sale')]),
+    }
+res_company()
+
+class account_voucher_line_discount_to_use(osv.osv):
+    '''
+        Dynamically generated discount lines that are applicable per voucher line
+    '''
+    _name = "account.voucher.line.discount_to_use"
+    _rec_name = 'inv_credit'
+    _columns = {
+        'voucher_line_id': fields.many2one('account.voucher.line', 'Account Voucher Line', ondelete='cascade', readonly=True),
+        'use_discount': fields.boolean('Use Discount',help='Used to indicate if the cash discount should be used/taken when calculating payment.', required=True),
+        'inv_payment_terms': fields.many2one('account.payment.term', 'Invoice Payment Terms', help='Payments terms description', ),
+        'discount_window_date': fields.date('Discount Window Date',help='The last day of the discount window. To receive discounts payments must be paid on or before this date.'),
+
+
+        'proposed_discount': fields.float('Proposed Discount',help='This is the proposed full discount based on the Invoice Payment Terms and the Original Amount.', readonly=True),
+        'discount_amount': fields.float('Discount Amt',help='Enter the amount of discount to be given.', required=True),
+        'gl_account' : fields.many2one('account.account', 'G/L Account',help='Enter the General Ledger account number to record taking the cash discount.', required=True),
+    }
+    def onchage_use_discount(self, cr, uid, ids, use_discount, proposed_discount, context=None):
+        '''
+        Fill the value with proposed discount when use discount check box is clicked and remove the value when use discount is unchecked
+        '''
+        res = {}
+        if use_discount:
+            res['value'] = {'discount_amount': proposed_discount}
+        else:
+            res['value'] = {'discount_amount': 0}
+        return res
+    def onchage_discount_amount(self, cr, uid, ids, proposed_discount, discount_amount, context=None):
+        '''
+        Function to check discount amount entered in discount line of payment line
+        '''
+        res = {}
+        if discount_amount < 0:
+            res['value'] = {'discount_amount': 0, 'use_discount':False }
+            res['warning'] = {'title': 'Discount not in the limit', 'message': 'Discount should not be a negative value.'}
+            return res
+        if discount_amount > proposed_discount:
+            res['value'] = {'discount_amount': proposed_discount, 'use_discount':True }
+            res['warning'] = {'title': 'Discount not in the limit', 'message': 'Please adjust the Discount Amt value to be less than or equal the Proposed Discount.'}
+            return res
+        if discount_amount == 0.0:
+            res['value'] = { 'use_discount':False }
+        else:
+            res['value'] = { 'use_discount':True }
+        return res
+account_voucher_line_discount_to_use()
+
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added directory 'account_cash_discount_us/account_cash_discount_us'
=== added file 'account_cash_discount_us/account_cash_discount_us/Change Log.txt'
--- account_cash_discount_us/account_cash_discount_us/Change Log.txt	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/Change Log.txt	2011-10-06 15:23:28 +0000
@@ -0,0 +1,31 @@
+===============================================================================
+ Version Change Log (account_cash_discount_us)
+===============================================================================
+
+1.07 -> 1.08 (2011-02-04) By Sinoj
+	* Optimization and cleanup
+
+1.06 -> 1.07 (2010-12-06) By jabir
+	* Removed discount wizard and changed domain filtering
+	
+1.05 -> 1.06 (2010-12-06) By jabir
+	* Take invoice partner instead of moveline partner
+
+ 1.04 -> 1.05 (2010-11-29) By Jabir
+ 	*  Fix placement of Cash Discount Separation Line
+
+ 1.03 -> 1.04 (2010-11-29) By Sinoj
+ 	* Account posting updated for National account
+
+ 1.02 -> 1.03 (2010-11-09) By Sinoj
+ 	* "Debit and Credits" wizard button moved to voucher line
+ 	* fields on wizard form are readonly
+ 	* fields on wizard are populated with default values
+ 	* removed
+
+ 1.01 -> 1.02 (2010-11-04) By jabir
+ 	* Add wizard Discount and Credits
+ 	* Create button Discount and Credits in customer payment form
+
+ 1.0 -> 1.01 (2010-11-04) By sinoj
+ 	* dependency changed from account_voucher_jdc to account_voucher_credits_us
\ No newline at end of file

=== added file 'account_cash_discount_us/account_cash_discount_us/__init__.py'
--- account_cash_discount_us/account_cash_discount_us/__init__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/__init__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+
+import account_cash_discount
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/account_cash_discount_us/__openerp__.py'
--- account_cash_discount_us/account_cash_discount_us/__openerp__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/__openerp__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+
+{
+    "name" : "Payment Term with Cash Discount",
+    "version" : "1.08",
+    "depends" : ["account","account_voucher_credits_us","account_cash_discount"],
+    "author" : "Tiny and NovaPoint Group LLC",
+    "description" : "Cash discounts, based on payment terms",
+    "website" : "http://www.novapointgroup.com/",
+    "category" : "Generic Modules/Accounting",
+    "description": """
+    This module adds cash discounts on payment terms. Cash discounts
+    for a payment term can be configured with:
+        * A number of days,
+        * A discount (%),
+        * A debit and a credit account
+        * Sales and Purchase discounts are added to product and invoice line
+    """,
+    "init_xml" : [
+    ],
+    "demo_xml" : [
+    ],
+    "update_xml" : [
+        "account_cash_discount_view.xml",
+        "product_view.xml",
+        "security/ir.model.access.csv",
+    ],
+    "active": False,
+    "installable": True,
+
+}
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/account_cash_discount_us/__terp__.py'
--- account_cash_discount_us/account_cash_discount_us/__terp__.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/__terp__.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,52 @@
+# -*- encoding: utf-8 -*-
+##############################################################################
+#    
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.     
+#
+##############################################################################
+
+{
+    "name" : "Payment Term with Cash Discount",
+    "version" : "1.07",
+    "depends" : ["account","account_voucher_credits_us","account_cash_discount"],
+    "author" : "Tiny and NovaPoint Group LLC",
+    "description" : "Cash discounts, based on payment terms",
+    "website" : "http://www.novapointgroup.com/",
+    "category" : "Generic Modules/Accounting",
+    "description": """
+    This module adds cash discounts on payment terms. Cash discounts
+    for a payment term can be configured with:
+        * A number of days,
+        * A discount (%),
+        * A debit and a credit account 
+        * Sales and Purchase discounts are added to product and invoice line
+    """,
+    "init_xml" : [
+    ],
+    "demo_xml" : [
+    ],
+    "update_xml" : [
+        "account_cash_discount_view.xml",
+        "product_view.xml",
+        "security/ir.model.access.csv",
+    ],
+    "active": False,
+    "installable": True,
+
+}
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/account_cash_discount_us/account_cash_discount.py'
--- account_cash_discount_us/account_cash_discount_us/account_cash_discount.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/account_cash_discount.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,730 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2011 NovaPoint Group LLC (<http://www.novapointgroup.com>)
+#    Copyright (C) 2004-2010 OpenERP SA (<http://www.openerp.com>)
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>
+#
+##############################################################################
+
+from collections import defaultdict
+from mx.DateTime import RelativeDateTime
+from osv import fields, osv
+from tools.translate import _
+import decimal_precision as dp
+import mx.DateTime
+
+def _combinations(iterable, r):
+    '''
+    @return: combination generator object
+
+    Example
+    combinations(’ABCD’, 2) --> AB AC AD BC BD CD
+    combinations(range(4), 3) --> 012 013 023 123
+    '''
+    pool = tuple(iterable)
+    n = len(pool)
+    if r > n:
+        return
+    indices = range(r)
+    yield tuple(pool[i] for i in indices)
+    while True:
+        for i in reversed(range(r)):
+            if indices[i] != i + n - r:
+                break
+        else:
+            return
+        indices[i] += 1
+        for j in range(i+1, r):
+            indices[j] = indices[j-1] + 1
+        yield tuple(pool[i] for i in indices)
+
+
+class account_payment_term(osv.osv):
+    _name = "account.payment.term"
+    _inherit = "account.payment.term"
+    _columns = {
+        'cash_discount_ids': fields.one2many('account.cash.discount', 'payment_id', 'Cash Discounts'),
+    }
+    def get_discounts(self, cr, uid, id, base_date, context={}):
+        """
+        return the list of (date,percentage) ordered by date for the
+        payment term with the corresponding id. return [] if no cash
+        discount are defined. base_date is the date from where the
+        discounts are computed.
+        """
+        res=[]
+        for pt in self.browse(cr, uid, id, context):
+        
+            if not pt.cash_discount_ids:
+                continue
+    
+            for d in pt.cash_discount_ids:
+                res.append(
+                    ((mx.DateTime.strptime(base_date,'%Y-%m-%d') +\
+                      RelativeDateTime(days=d.delay)).strftime("%Y-%m-%d"),
+                     d.discount)
+                    )
+
+        res.sort(cmp=lambda x,y: cmp(x[0],y[0]))
+        return res
+account_payment_term()
+
+class account_invoice(osv.osv):
+    '''
+        Add discount calculation to invoice
+    '''
+    _inherit = 'account.invoice'
+
+    def _get_discount(self, cr, uid,  ids, field_name, args, context={}):
+        '''
+        Calculate the value of variable date_discount (Discount Date) and amount_discounted (Discounted Total)
+        '''
+
+        if context is None:
+            context = {}
+        for invoice in self.browse(cr, uid, ids, context):
+            res = defaultdict(list)
+            res[invoice.id] = {
+                'date_discount': invoice.date_due,
+                'amount_discounted': invoice.amount_total
+            }
+            if not invoice.date_invoice:
+                invoice_date = mx.DateTime.today().strftime("%Y-%m-%d")
+                self.write(cr, uid, [invoice.id], {'date_invoice': invoice_date}, context)
+            else:
+                invoice_date = invoice.date_invoice
+            discounts = invoice.payment_term and invoice.payment_term.get_discounts(invoice_date, context=context)
+            if discounts:
+                line_obj = self.pool.get('account.invoice.line')
+                discount_total = 0.0
+                non_discount_total = 0.0
+                for line in invoice.invoice_line:
+                    if line.cash_discount:
+                        discount_total += line.price_subtotal
+                        line_cash_discount =  round((1.0 - discounts[0][1]) * line.price_subtotal)
+                        line_obj.write(cr, uid, line.id, {'cash_discount': line_cash_discount}, context)
+                    else:
+                        non_discount_total += line.price_subtotal
+                        line_obj.write(cr, uid, line.id, {'cash_discount': 0.0}, context)
+                # assume taxes are never discountable
+                non_discount_total += invoice.amount_tax
+                # There may be more than one - return the earliest
+                res[invoice.id] = {
+                    'date_discount': discounts[0][0],
+                    'amount_discounted': round(((1.0 - discounts[0][1]) * discount_total) + non_discount_total,2)
+                }
+            return defaultdict(type([]),res)
+
+    _columns = {
+        'date_discount': fields.function(_get_discount, method=True, type='date', string='Discount Date', multi='all'),
+        'amount_discounted': fields.function(_get_discount, method=True, type='float', digits_compute=dp.get_precision('Account'), string='Discounted Total',
+            multi='all'),
+    }
+account_invoice()
+
+class account_invoice_pay_writeoff(osv.osv_memory):
+    """
+    Opens the write off amount pay form.
+    """
+    _name = "account.invoice.pay.writeoff"
+    _description = "Pay Invoice  "
+    _columns = {
+        'writeoff_acc_id': fields.many2one('account.account', 'Write-Off account', required=True),
+        'writeoff_journal_id': fields.many2one('account.journal', 'Write-Off journal', required=True),
+        'comment': fields.char('Comment', size=64, required=True),
+        'analytic_id': fields.many2one('account.analytic.account','Analytic Account'),
+        }
+    _defaults = {
+        'comment': 'Write-Off',
+        }
+
+account_invoice_pay_writeoff()
+
+class account_invoice_pay(osv.osv_memory):
+    """
+    Generate pay invoice wizard, user can make partial or full payment for invoice.
+    """
+    _name = "account.invoice.pay"
+    _description = "Pay Invoice  "
+    _columns = {
+        'amount': fields.float('Amount paid', required=True, digits_compute = dp.get_precision('Account')),
+        'name': fields.char('Entry Name', size=64, required=True),
+        'date': fields.date('Date payment', required=True),
+        'journal_id': fields.many2one('account.journal', 'Journal/Payment Mode', required=True, domain=[('type','=','cash')]),
+        'period_id': fields.many2one('account.period', 'Period', required=True),
+        }
+
+    def view_init(self, cr, uid, ids, context=None):
+        invoice = self.pool.get('account.invoice').browse(cr, uid, context['active_id'], context=context)
+        if invoice.state in ['draft', 'proforma2', 'cancel']:
+            raise osv.except_osv(_('Error !'), _('Can not pay draft/proforma/cancel invoice.'))
+        pass
+
+    def _get_period(self, cr, uid, context=None):
+        '''
+        Initialise Period
+        '''
+        ids = self.pool.get('account.period').find(cr, uid, context=context)
+        period_id = False
+        if len(ids):
+            period_id = ids[0]
+        return period_id
+
+    def _get_amount(self, cr, uid, context=None):
+        '''
+        Get default value of Amount paid
+        '''
+        return self.pool.get('account.invoice').browse(cr, uid, context['active_id'], context=context).residual
+
+    _defaults = {
+        'date': lambda *a: time.strftime('%Y-%m-%d'),
+        'period_id': _get_period,
+        'amount': _get_amount,
+        }
+account_invoice_pay()
+
+class account_voucher(osv.osv):
+    _name = 'account.voucher'
+    _inherit = 'account.voucher'
+
+    def _update_discounts(self, lines, vch_date):
+        date_discount = False
+        amount_discount = False
+        for line in lines:
+            if 'date_discount' in line:
+                date_discount = line['date_discount']
+                amount_discounted = line['amount_discounted']
+            else:
+                return
+            if line['amount'] >= line['amount_unreconciled']:
+                amount_discount = 0.0
+            elif vch_date <= date_discount and line['amount'] <= line['amount_unreconciled'] and line['amount'] >= amount_discounted:
+                amount_discount = max(line['amount_unreconciled'] - amount_discounted, 0.0)
+            elif vch_date <= date_discount and line['amount'] < amount_discounted:
+                amount_discount = max(line['amount_unreconciled'] - amount_discounted, 0.0)
+            line['cash_discount'] = amount_discount
+            line['amount_difference'] = line['amount_unreconciled'] - line['amount'] - amount_discount
+
+
+    def onchange_partner_id(self, cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context={}):
+        '''
+        Function to update fields in customer payment form on changing customer
+        '''
+        if context is None:
+            context = {}
+            
+        currency_pool = self.pool.get('res.currency')
+        journal_pool = self.pool.get('account.journal')
+        invoice_pool = self.pool.get('account.invoice')
+        line_pool = self.pool.get('account.voucher.line')
+        move_line_pool = self.pool.get('account.move.line')
+        partner_pool = self.pool.get('res.partner')
+        company_currency = False
+
+        default = super(account_voucher, self).onchange_partner_id(cr, uid, ids, partner_id, journal_id, price, currency_id, ttype, date, context={})
+        if not partner_id:
+            return default
+        # we have to clear out lines, because new lines will be created by the change
+        if partner_id and not journal_id:
+            partner = partner_pool.browse(cr, uid, partner_id, context)
+            if partner._columns.has_key('payment_meth_id') and partner.payment_meth_id:
+                payment_mode_pool = self.pool.get('payment.mode')
+                payment_meth = payment_mode_pool.browse(cr, uid, partner.payment_meth_id.id, context)
+                if payment_meth:
+                    default['value']['journal_id'] = payment_meth.journal.id
+                    journal_id = payment_meth.journal.id
+        if ids:
+            line_ids = line_pool.search(cr, uid, [('voucher_id','=',ids[0])])
+            if line_ids:
+                line_pool.unlink(cr, uid, line_ids)
+        if journal_id:
+            journal = journal_pool.browse(cr, uid, journal_id)
+            company_currency = journal.company_id.currency_id.id
+
+        total_credit = 0.0
+        total_debit = 0.0
+        vch_date = False
+        for vch in self.browse(cr, uid, ids):
+            vch_date = vch.date
+        if default and 'value' in default and 'line_cr_ids' in default['value']:
+            for line in default['value']['line_cr_ids']:
+                invoice_id = invoice_pool.search(cr, uid, [('number', '=', line['name'])])
+                if invoice_id:
+                    line['invoice_id'] = invoice_id[0]
+                    invoice = invoice_pool.browse(cr, uid, invoice_id[0], )
+                    date_discount = invoice.date_discount
+                    amount_discounted = invoice.amount_discounted
+                    line['date_discount'] = date_discount
+                    line['amount_discounted'] = amount_discounted
+                else:
+                    line['date_discount'] = False
+                    line['amount_discounted'] = 0.0
+                line['amount'] = 0.0
+                total_credit += line['type'] == 'cr' and line['amount_unreconciled'] or 0.0
+                total_debit += line['type'] == 'dr' and line['amount_unreconciled'] or 0.0
+            # first, see if we can find an invoice matching the amount to be applied
+            found = False
+            def calc_amount(line, total):
+                return min(line['amount_unreconciled'], total)
+            lines = default['value']['line_cr_ids']
+            if len(lines) == 0:
+                 return default
+#                return False
+            # if only one, assign it
+            if len(lines) == 1:
+                for line in lines:
+                    if line['type'] == 'cr':
+                        amount = price
+                        line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                        total_credit -= amount
+                        found = True
+                        break
+                    else:
+                        amount = price
+                        line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                        total_debit -= amount
+                        found = True
+                        break
+                self._update_discounts(lines, vch_date)
+            if not found:
+                for line in lines:
+                    if line['amount_unreconciled'] == price:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, total_credit)
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                            total_credit -= amount
+                            found = True
+                            break
+                        else:
+                            amount = calc_amount(line, total_debit)
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount) or amount
+                            total_debit -= amount
+                            found = True
+                            break
+            if not found:
+                # see if we can find a combination that matches
+                def search(lines, price):
+                    for i in range(0, len(lines)):
+                        if lines[i]['amount_unreconciled'] == price:
+                            return [lines[i]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            if lines[i]['amount_unreconciled'] + lines[j]['amount_unreconciled'] == price:
+                                return [lines[i],lines[j]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            for k in range(j + 1, len(lines)):
+                                if lines[i]['amount_unreconciled'] + lines[j]['amount_unreconciled'] + lines[k]['amount_unreconciled']== price:
+                                    return [lines[i],lines[j],lines[k]]
+                line_ids = search(lines, price)
+
+                if line_ids: # and sum == price:
+                    for line in line_ids:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, line['amount_unreconciled'])
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount)
+                            total_debit -= amount
+                            found = True
+                        else:
+                            amount = calc_amount(line, line['amount_unreconciled'])
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, amount)
+                            total_credit -= amount
+                            found = True
+            if not found:
+                # see if we can find a match using discounted amount
+                def search2(lines, price):
+                    for i in range(0, len(lines)):
+                        if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) == price:
+                            return [lines[i]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) + min(lines[j]['amount_unreconciled'],lines[j]['amount_discounted']) == price:
+                                return [lines[i],lines[j]]
+                    for i in range(0, len(lines)):
+                        for j in range(i + 1, len(lines)):
+                            for k in range(j + 1, len(lines)):
+                                if min(lines[i]['amount_unreconciled'],lines[i]['amount_discounted']) + min(lines[j]['amount_unreconciled'],lines[j]['amount_discounted']) + min(lines[k]['amount_unreconciled'],lines[k]['amount_discounted']) == price:
+                                    return [lines[i],lines[j],lines[k]]
+                line_ids = search(lines, price)
+                lines = default['value']['line_cr_ids']
+                line_ids = search2(lines, price)
+                if line_ids:
+                    for line in line_ids:
+                        if line['type'] == 'cr':
+                            amount = calc_amount(line, min(line['amount_unreconciled'],line['amount_discounted']))
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, min(line['amount_unreconciled'],line['amount_discounted']))
+                            total_debit -= amount
+                            found = True
+                        else:
+                            amount = calc_amount(line, min(line['amount_unreconciled'],line['amount_discounted']))
+                            line['amount'] = currency_pool.compute(cr, uid, company_currency, currency_id, min(line['amount_unreconciled'],line['amount_discounted']))
+                            total_credit -= amount
+                            found = True
+                lines = default['value']['line_cr_ids']
+        '''
+            FIXME : removing amount from line_dr_ids (Credits on customer payment form) line.
+                    and amount from line_cr_ids (Invoice and outstanding transactions on customer payment form) line
+                    I do not think this this is a good solution. But it works.
+                    The whole "onchange_partner_id" function need a re-thinking (may have to rewrite it completely instead of calling super ).
+        '''
+        if default:
+            for credit_line in default['value'].get('line_dr_ids',[]):
+                credit_line['amount'] = 0.0
+            for invoce_line in default['value'].get('line_cr_ids',[]):
+                invoce_line['amount'] = 0.0
+                invoce_line['amount_difference'] = invoce_line['amount_unreconciled']
+        return default
+
+    def calc_cash_discount(self, cr, uid, ids, vch, line, context={}):
+        '''
+            Calculate discount per line
+        '''
+        total_allocated = 0.0
+        for line in vch.line_ids:
+            total_allocated += line.amount
+        context.update({'total_allocated': total_allocated, 'total_amount': vch.date})
+        amount_discount = 0.0
+        if line.amount >= line.amount_unreconciled or line.amount < 0.01 :
+            amount_discount = 0.0
+        elif line.amount >= line.amount_discounted and vch.date <= line.date_discount:
+            amount_discount = line.amount_unreconciled - line.amount_discounted
+        return amount_discount
+
+account_voucher()
+
+class account_voucher_line(osv.osv):
+    _name = 'account.voucher.line'
+    _inherit = 'account.voucher.line'
+
+    def _update_credit_lines(self,cr, uid, ids, context):
+        '''
+        Function to update the credit lines in payment lines
+        '''
+        credits_used_pool = self.pool.get('account.voucher.line.credits_to_use')
+        for line in self.browse(cr , uid, ids, context):
+            credits_lines_used = [x.orginal_credit_line_id.id for x in line.available_credits]
+            for credit_line in line.voucher_id.line_dr_ids :
+                if credit_line.id not in credits_lines_used and line.invoice_id and line.invoice_id.payment_term:
+                    print credit_line
+                    credits_used_pool.create(cr, uid, {
+                                'voucher_line_id': line.id,
+                                'orginal_credit_line_id':credit_line.id,
+                                'use_credit': False,
+                                'inv_credit': credit_line.move_line_id.id,
+                                'discount_window_date': credit_line.date_original,
+                                'orginal_amount': credit_line.amount_original,
+                                'available_amount': credit_line.amount_unreconciled - credit_line.pending_credits,
+                                'discount_amount': 0.0,
+                                'gl_account' : credit_line.account_id.id,})
+                else :
+                    to_update_credit_line_ids = credits_used_pool.search(cr,uid,[('voucher_line_id','=',line.id),( 'orginal_credit_line_id','=',credit_line.id)], context=context)
+                    if to_update_credit_line_ids:
+                        credits_used_pool.write(cr, uid,to_update_credit_line_ids,{'available_amount': credit_line.amount_unreconciled-credit_line.pending_credits}, context=context)
+
+    def _update_discount_lines(self,cr, uid, ids, context):
+        '''
+        Function to update the discount lines in payment lines
+        '''
+
+        discount_used_pool = self.pool.get('account.voucher.line.discount_to_use')
+        user_pool = self.pool.get('res.users')
+        user = user_pool.browse(cr, uid, uid, context)
+        for line in self.browse(cr , uid, ids, context):
+            if line.invoice_id :
+                if not line.invoice_id.date_discount or not line.voucher_id.date or  line.voucher_id.date > line.invoice_id.date_discount:
+                    '''
+                        customer is not eligible for the discount
+                    '''
+                    continue
+                discount = line.invoice_id.amount_total  - line.invoice_id.amount_discounted
+                date_discount = line.invoice_id.date_discount
+                discount_found = False
+                for discount_line in line.available_discounts:
+                    #if abs(discount - discount_line.proposed_discount) < 0.01 and line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                    if line.invoice_id.payment_term.id == discount_line.inv_payment_terms.id:
+                        discount_found = True
+                        continue
+                if not discount_found and user.company_id.sales_discount_account:
+                    '''
+                    TODO : calculate/findout the discount_window_date (The last day of the discount window. To receive discounts payments must be paid on or before this date.)
+                    '''
+                    discount_used_pool.create(cr, uid, {
+                                'voucher_line_id': line.id,
+                                'use_discount': False,
+                                'inv_payment_terms':line.invoice_id.payment_term.id ,
+                                'discount_window_date': date_discount,
+                                'proposed_discount': discount,
+                                'discount_amount': 0.0,
+                                'gl_account':user.company_id.sales_discount_account.id
+                                }, context=context)
+
+
+    def _compute_discount_used(self, cr, uid, ids, name, args, context=None):
+        '''
+        Function to calculate the value of variable discount used
+        '''
+        res = {}
+        for line in self.browse(cr, uid, ids):
+            res[line.id] = 0.0
+            for discount_line in line.available_discounts:
+                if discount_line.use_discount :
+                    res[line.id] +=  discount_line.discount_amount
+        return res
+
+    def _compute_balance(self, cr, uid, ids, name, args, context=None):
+        '''
+        Function to calculate the value of variables Cash Discount, Interest and Amt Due
+        '''
+        currency_pool = self.pool.get('res.currency')
+        rs_data = super(account_voucher_line, self)._compute_balance(cr, uid, ids, name, args, context)
+        for line in self.browse(cr, uid, ids):
+            amount_cash_discount = self.calc_cash_discount(cr, uid, ids, vch, line)
+            amount_interest = self.calc_interest(vch, line, line.amount)
+            amount_unreconciled = 0.0
+            move_line = line.move_line_id or False
+            if move_line:
+                amount_unreconciled = currency_pool.compute(cr, uid, company_currency, voucher_currency, move_line.amount_unreconciled - amount_cash_discount - line.writeoff)
+            rs_data[line.id] = {'cash_discount': amount_cash_discount, 'interest': amount_interest, 'amount_unreconciled': amount_unreconciled}
+        return rs_data
+
+    def _get_discount(self, cr, uid,  ids, field_name, args, context={}):
+        """
+        Function to calculate the value of variable date_discount,amount_discounted,cash_discount,amount_difference
+        return the values as dictionary
+        """
+
+        if context is None:
+            context = {}
+        invoice_obj = self.pool.get('account.invoice')
+        move_line_obj = self.pool.get('account.move.line')
+        voucher_line = self.browse(cr, uid, ids)
+        vch = self.pool.get('account.voucher').browse(cr, uid, voucher_line[0].voucher_id.id)
+        res = {}
+        for line in voucher_line:
+            if line.type == 'dr':
+                res[line.id] = {
+                    'date_discount': '',
+                    'amount_discounted': line.amount,
+                    'cash_discount': 0.0,
+                    'amount_difference': line.amount_unreconciled - line.amount
+                }
+                continue
+            move_line = move_line_obj.browse(cr, uid, line.move_line_id.id)
+            invoice_number = move_line.name or move_line.ref
+            invoice_id = False
+            if invoice_number and invoice_number != '/':
+                invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if not invoice_id:
+                move = self.pool.get('account.move').browse(cr, uid, move_line.move_id.id)
+                if move:
+                    invoice_number = move.name or move.ref
+                    if invoice_number and invoice_number != '/':
+                        invoice_id = invoice_obj.search(cr, uid, [('number', '=', str(invoice_number))])
+            if invoice_id:
+                for invoice in invoice_obj.browse(cr, uid, invoice_id, context):
+                    date_discount = invoice.date_due
+                    amount_discounted = invoice.amount_total
+                    res[line.id] = {
+                        'date_discount': invoice.date_due,
+                        'amount_discounted': invoice.amount_total
+                    }
+                    if not invoice.date_invoice:
+                        invoice_date = mx.DateTime.today().strftime("%Y-%m-%d")
+                        self.write(cr, uid, [invoice.id], {'date_invoice': invoice_date}, context)
+                    else:
+                        invoice_date = invoice.date_invoice
+                    discounts = invoice.payment_term and invoice.payment_term.get_discounts(invoice_date, context=context) or False
+                    if discounts:
+                        line_obj = self.pool.get('account.invoice.line')
+                        discount_total = 0.0
+                        non_discount_total = 0.0
+                        for invline in invoice.invoice_line:
+                            if invline.cash_discount:
+                                discount_total += invline.price_subtotal
+                                line_cash_discount =  round((1.0 - discounts[0][1]) * invline.price_subtotal)
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': line_cash_discount}, context)
+                            else:
+                                non_discount_total += invline.price_subtotal
+                                line_obj.write(cr, uid, invline.id, {'cash_discount': 0.0}, context)
+                        # assume taxes are never discountable
+                        non_discount_total += invoice.amount_tax
+                        # There may be more than one - return the earliest
+                        date_discount = discounts[0][0]
+                        amount_discounted = round(((1.0 - discounts[0][1]) * discount_total) + non_discount_total,2)
+                amount_discount = 0.0
+                if line.amount >= line.amount_unreconciled or line.amount < 0.01:
+                    amount_discount = 0.0
+                elif vch.date <= date_discount and line.amount <= line.amount_unreconciled:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted, 0.0)
+                elif vch.date <= date_discount and line.amount < amount_discounted:
+                    amount_discount = max(line.amount_unreconciled - amount_discounted,0.0)
+                else:
+                    amount_discount = 0.0
+
+                res[line.id] = {
+                    'date_discount': date_discount,
+                    'amount_discounted': amount_discounted,
+                    'cash_discount': amount_discount,
+                    'amount_difference': line.amount_unreconciled - line.amount - line.credit_used - line.discount_used - (line._columns.has_key('writeoff_amount') and line['writeoff_amount'])#- amount_discount
+                }
+        return  defaultdict(type([]),res)
+
+    _columns = {
+        'date_discount': fields.function(_get_discount, method=True, type='date', string='Discount Date',
+            multi='all'),
+        'amount_discounted': fields.function(_get_discount, method=True, type='float', digits_compute=dp.get_precision('Account'), string='Discounted Total',
+            multi='all'),
+        'cash_discount': fields.function(_get_discount, method=True, type='float', multi="all", digits_compute=dp.get_precision('Account'), string='Cash Discount'),
+        'amount_difference': fields.function(_get_discount, method=True, multi='all', type='float', string='Unpaid Amt', digits=(16, 2) ),
+        'interest': fields.float(string='Interest', digits=(16,2)),
+
+        #'discount_used':fields.float('Discount used', readonly=True),
+        'discount_used': fields.function(_compute_discount_used, method=True, type='float', string='Discount Used', store=False, readonly=True),
+        'available_discounts':fields.one2many('account.voucher.line.discount_to_use', 'voucher_line_id', 'Available Discounts'  ),
+    }
+    def clear_values(self, cr, uid, ids, context={}):
+        '''
+        Clear the selected credits, discounts and writeoffs from voucher line
+        '''
+        voucher_line = self.browse(cr,uid,ids[0])
+        if voucher_line._columns.has_key('writeoff_ids'):
+            for lines in self.read(cr,uid,ids,['available_credits','writeoff_ids','available_discounts']):
+                lines['writeoff_ids'] and self.pool.get('account.voucher.line.writeoff').unlink(cr,uid,lines['writeoff_ids'])
+                lines['available_credits'] and self.pool.get('account.voucher.line.credits_to_use').write(cr,uid,lines['available_credits'],{
+                                                                                                                            'use_credit':False,
+                                                                                                                            'discount_amount':0.0})
+                lines['available_discounts'] and self.pool.get('account.voucher.line.discount_to_use').write(cr,uid,lines['available_discounts'],{
+                                                                                                                            'use_discount':False,
+                                                                                                                        'discount_amount':0.0})
+        else:
+            for lines in self.read(cr,uid,ids,['available_credits','writeoff_ids','available_discounts']):
+                lines['available_credits'] and self.pool.get('account.voucher.line.credits_to_use').write(cr,uid,lines['available_credits'],{
+                                                                                                                            'use_credit':False,
+                                                                                                                            'discount_amount':0.0})
+                lines['available_discounts'] and self.pool.get('account.voucher.line.discount_to_use').write(cr,uid,lines['available_discounts'],{
+                                                                                                                            'use_discount':False,
+                                                                                                                        'discount_amount':0.0})
+        return True
+account_voucher_line()
+
+class product_product(osv.osv):
+    '''
+        Add new account configuration fields to product
+    '''
+    _name = "product.product"
+    _inherit = 'product.product'
+    _columns = {
+        'cash_discount': fields.boolean('Cash Discount?'),
+        'purchase_discount_account': fields.many2one('account.account', 'Purchase Discount Account', domain=[('user_type','=','COGS')]),
+        'sales_discount_account': fields.many2one('account.account', 'Sales Discount Account', domain=[('type','!=','view'),('type','!=','consolidation'),('user_type','ilike','income')]),
+        'purchase_discount_journal': fields.many2one('account.journal', 'Purchase Discount Journal', domain=[('type','!=','view'),('type','!=','consolidation'),('type','=','purchase')]),
+        'sales_discount_journal': fields.many2one('account.journal', 'Sales Discount Journal', domain=[('type','=','sale')]),
+    }
+    _defaults = {
+        'cash_discount' : lambda *a : True,
+    }
+product_product()
+
+class account_invoice_line(osv.osv):
+    '''
+        option to disable discount calculation per invoice line
+    '''
+    _name = 'account.invoice.line'
+    _inherit = 'account.invoice.line'
+    _columns = {
+        'cash_discount': fields.boolean('Cash Discount?'),
+    }
+    _defaults = {
+        'cash_discount' : lambda *a : True,
+    }
+    def product_id_change(self, cr, uid, ids, product, uom, qty=0, name='', type='out_invoice', partner_id=False, fposition_id=False, price_unit=False, address_invoice_id=False, currency_id=False, context=None):
+        '''
+            check if the discount is applicable to newly selected product
+        '''
+        result = {}
+        result = super(account_invoice_line, self).product_id_change(cr, uid, ids, product, uom, qty, name, type, partner_id, fposition_id, price_unit, address_invoice_id, currency_id, context)
+        if product:
+            res = self.pool.get('product.product').browse(cr, uid, product, context=context)
+            result['value']['cash_discount'] = res.cash_discount
+        else:
+            result['value']['cash_discount'] = True
+        return result
+account_invoice_line()
+
+class res_company(osv.osv):
+    '''
+        New account configuration fields on copmany form
+    '''
+    _name = 'res.company'
+    _inherit = 'res.company'
+    _columns = {
+        'purchase_discount_account': fields.many2one('account.account', 'Purchase Discount Account', domain=[('user_type','=','COGS'),('type','!=','view'),('type','!=','consolidation')]),
+        'sales_discount_account': fields.many2one('account.account', 'Sales Discount Account', domain=[('user_type','=','Income'),('type','!=','view'),('type','!=','consolidation')]),
+        'purchase_discount_journal': fields.many2one('account.journal', 'Purchase Discount Journal', domain=[('type','=','purchase')]),
+        'sales_discount_journal': fields.many2one('account.journal', 'Sales Discount Journal', domain=[('type','=','sale')]),
+    }
+res_company()
+
+class account_voucher_line_discount_to_use(osv.osv):
+    '''
+        Dynamically generated discount lines that are applicable per voucher line
+    '''
+    _name = "account.voucher.line.discount_to_use"
+    _rec_name = 'inv_credit'
+    _columns = {
+        'voucher_line_id': fields.many2one('account.voucher.line', 'Account Voucher Line', ondelete='cascade', readonly=True),
+        'use_discount': fields.boolean('Use Discount',help='Used to indicate if the cash discount should be used/taken when calculating payment.', required=True),
+        'inv_payment_terms': fields.many2one('account.payment.term', 'Invoice Payment Terms', help='Payments terms description', ),
+        'discount_window_date': fields.date('Discount Window Date',help='The last day of the discount window. To receive discounts payments must be paid on or before this date.'),
+
+
+        'proposed_discount': fields.float('Proposed Discount',help='This is the proposed full discount based on the Invoice Payment Terms and the Original Amount.', readonly=True),
+        'discount_amount': fields.float('Discount Amt',help='Enter the amount of discount to be given.', required=True),
+        'gl_account' : fields.many2one('account.account', 'G/L Account',help='Enter the General Ledger account number to record taking the cash discount.', required=True),
+    }
+    def onchage_use_discount(self, cr, uid, ids, use_discount, proposed_discount, context=None):
+        '''
+        Fill the value with proposed discount when use discount check box is clicked and remove the value when use discount is unchecked
+        '''
+        res = {}
+        if use_discount:
+            res['value'] = {'discount_amount': proposed_discount}
+        else:
+            res['value'] = {'discount_amount': 0}
+        return res
+    def onchage_discount_amount(self, cr, uid, ids, proposed_discount, discount_amount, context=None):
+        '''
+        Function to check discount amount entered in discount line of payment line
+        '''
+        res = {}
+        if discount_amount < 0:
+            res['value'] = {'discount_amount': 0, 'use_discount':False }
+            res['warning'] = {'title': 'Discount not in the limit', 'message': 'Discount should not be a negative value.'}
+            return res
+        if discount_amount > proposed_discount:
+            res['value'] = {'discount_amount': proposed_discount, 'use_discount':True }
+            res['warning'] = {'title': 'Discount not in the limit', 'message': 'Please adjust the Discount Amt value to be less than or equal the Proposed Discount.'}
+            return res
+        if discount_amount == 0.0:
+            res['value'] = { 'use_discount':False }
+        else:
+            res['value'] = { 'use_discount':True }
+        return res
+account_voucher_line_discount_to_use()
+
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
+

=== added file 'account_cash_discount_us/account_cash_discount_us/account_cash_discount_view.xml'
--- account_cash_discount_us/account_cash_discount_us/account_cash_discount_view.xml	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/account_cash_discount_view.xml	2011-10-06 15:23:28 +0000
@@ -0,0 +1,256 @@
+<?xml version="1.0"?>
+<openerp>
+    <data>
+
+        <!-- cash discount -->
+
+        <record id="invoice_supplier_form_jdc" model="ir.ui.view">
+            <field name="name">account.invoice.supplier.form.jdc</field>
+            <field name="model">account.invoice</field>
+            <field name="type">form</field>
+            <field name="priority">2</field>
+            <field name="inherit_id" ref="account.invoice_supplier_form"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page/field[@name='check_total']" position="after">
+					<field name="date_discount"/>
+					<field name="amount_discounted"/>
+				</xpath>
+			</field>
+		</record>
+        <record id="invoice_form_jdc1" model="ir.ui.view">
+            <field name="name">account.invoice.form.jdc1</field>
+            <field name="model">account.invoice</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account.invoice_form"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Invoice']/field[@name='invoice_line']" position="before">
+					<group colspan="2" col="4">
+						<field name="date_discount"/>
+						<field name="amount_discounted"/>
+					</group>
+				</xpath>
+			</field>
+		</record>
+
+
+         <!--
+        Invoice Line
+        -->
+        <record id="view_invoice_line_form_discount" model="ir.ui.view">
+            <field name="name">account.invoice.line.form.discount</field>
+            <field name="model">account.invoice.line</field>
+            <field name="inherit_id" ref="account.view_invoice_line_form"/>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page/field[@name='discount']" position="after">
+					<field name="cash_discount"/>
+				</xpath>
+			</field>
+		</record>
+
+        <!--
+        Products
+        -->
+        <record id="product_normal_form_view_discount" model="ir.ui.view">
+            <field name="name">product.normal.form.discount</field>
+            <field name="model">product.product</field>
+            <field name="type">form</field>
+            <field eval="7" name="priority"/>
+            <field name="inherit_id" ref="product.product_normal_form_view"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Suppliers']/field[@name='seller_ids']" position="after">
+					<field name="cash_discount"/>
+				</xpath>
+			</field>
+		</record>
+
+        <!--
+        Company
+        -->
+        <record id="view_company_form_jdc2" model="ir.ui.view">
+            <field name="name">res.company.form.jdc2</field>
+            <field name="model">res.company</field>
+            <field name="type">form</field>
+			<field name="inherit_id"  ref="account_voucher_credits_us.view_company_form_jdc3"/>
+			<field name="priority" eval="1"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Accounting']/field[@name='writeoff_account']" position="before">
+                     <field name="sales_discount_account" colspan="2" />
+                     <field name="purchase_discount_account" colspan="2" />
+                     <field name="sales_discount_journal" colspan="2"/>
+                     <field name="purchase_discount_journal" colspan="2"/>
+	            </xpath>
+            </field>
+        </record>
+
+	<!--     Discount         -->
+
+        <record model="ir.ui.view" id="view_account_wizard_discount_form">
+            <field name="name">account.wizard.discount.form</field>
+            <field name="model">account.wizard.discount</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Discount">
+                    <field name="use_discount" select="1"/>
+                    <field name="inv_payment_terms" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="discount_amount" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_discount_tree">
+            <field name="name">account.wizard.discount.tree</field>
+            <field name="model">account.wizard.discount</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Discount" editable="bottom">
+                    <field name="use_discount" select="1"/>
+                    <field name="inv_payment_terms" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="discount_amount" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </tree>
+            </field>
+        </record>
+	<!--      credit        -->
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_form">
+            <field name="name">account.wizard.credit.form</field>
+            <field name="model">account.wizard.credit</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Credits">
+                    <field name="use_credit" select="1"/>
+                    <field name="inv_credit" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1" readonly="1"/>
+                    <field name="proposed_discount" select="1" readonly="1"/>
+                    <field name="discount_amount" select="1" />
+                    <field name="credit_bal" select="1" readonly="1"/>
+                    <field name="gl_account" select="1" readonly="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_tree">
+            <field name="name">account.wizard.credit.tree</field>
+            <field name="model">account.wizard.credit</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Credits" editable="bottom">
+                    <field name="use_credit" select="1"/>
+                    <field name="inv_credit" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1" readonly="1"/>
+                    <field name="proposed_discount" select="1" readonly="1"/>
+                    <field name="discount_amount" select="1" />
+                    <field name="credit_bal" select="1" readonly="1"/>
+                    <field name="gl_account" select="1"  readonly="1"/>
+                </tree>
+            </field>
+        </record>
+        
+        
+     	<!--      credit used        -->   
+        
+        <record model="ir.ui.view" id="view_account_wizard_credit_used_form">
+            <field name="name">account.wizard.credit.used.form</field>
+            <field name="model">account.wizard.credit.used</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Previously Applied Credit">
+                    <field name="date_used" select="1"/>
+                    <field name="inv_credit" select="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="amt_used" select="1"/>
+                    <field name="inv_move" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_used_tree">
+            <field name="name">account.wizard.credit.used.tree</field>
+            <field name="model">account.wizard.credit.used</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Previously Applied Credit" editable="bottom">
+                    <field name="date_used" select="1"/>
+                    <field name="inv_credit" select="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="amt_used" select="1"/>
+                    <field name="inv_move" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </tree>
+            </field>
+        </record>
+        
+        <!--      customer payment form modification for discount      -->   
+        
+        
+        <record model="ir.ui.view" id="view_vendor_receipt_form_2">
+            <field name="name">account.voucher.receipt.form.2</field>
+            <field name="model">account.voucher</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account_voucher_credits_us.view_vendor_receipt_form_1"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field[@name='line_cr_ids']/form/group[@string='Invoice']/group[@color='red']/field[@name='credit_used']" position="before">
+					<field name="discount_used"/>
+					<newline />
+				</xpath>
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field/tree/field[@name='credit_used']" position="before">
+					<field name="discount_used"/>
+					<newline/>
+				</xpath>
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field[@name='line_cr_ids']/form/notebook/page[@string='Credit']" position="before">
+					<page string="Discount">
+			            <field name="available_discounts" nolabel="1" colspan="4" string="Avilable Discounts" view_mode="tree" />
+			        </page>
+				</xpath>
+            </field>
+        </record>
+        
+        
+        <record model="ir.ui.view" id="view_account_voucher_line_discount_to_use_tree">
+            <field name="name">account.voucher.line.discount_to_use.tree</field>
+            <field name="model">account.voucher.line.discount_to_use</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+            	<tree string="Available Discounts" editable="top">
+            		<field name="use_discount" width="125" on_change="onchage_use_discount(use_discount, proposed_discount)"/>
+            		<field name="inv_payment_terms"/>
+            		<field name="discount_window_date"/>
+            		<field name="proposed_discount"/>
+            		<field name="discount_amount" on_change="onchage_discount_amount(proposed_discount, discount_amount)"/>
+            		<field name="gl_account"/>			            		
+            	</tree>
+            </field>
+        </record>
+        
+        <record model="ir.ui.view" id="view_payment_term_form_inherited">
+            <field name="name">account.payment.term.form.inherited</field>
+            <field name="model">account.payment.term</field>
+            <field name="inherit_id" ref="account_cash_discount.view_payment_term_form"/>
+            <field name="arch" type="xml">
+                <separator string="Cash Discount" colspan="4" position="replace"/>
+            </field>
+        </record>
+        <record model="ir.ui.view" id="view_payment_term_form_inherited2">
+            <field name="name">account.payment.term.form.inherited2</field>
+            <field name="model">account.payment.term</field>
+            <field name="inherit_id" ref="view_payment_term_form_inherited"/>
+            <field name="arch" type="xml">
+                <field name="cash_discount_ids" colspan="4" position="replace">
+                	<separator string="Cash Discount" colspan="4"/>
+                    <field name="cash_discount_ids" colspan="4" nolabel="1"/>
+                </field>
+            </field>
+        </record>
+
+        	
+    </data>
+</openerp>

=== added directory 'account_cash_discount_us/account_cash_discount_us/i18n'
=== added file 'account_cash_discount_us/account_cash_discount_us/i18n/account_cash_discount.pot'
--- account_cash_discount_us/account_cash_discount_us/i18n/account_cash_discount.pot	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/i18n/account_cash_discount.pot	2011-10-06 15:23:28 +0000
@@ -0,0 +1,85 @@
+# Translation of OpenERP Server.
+# This file contains the translation of the following modules:
+#	* account_cash_discount
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: OpenERP Server 5.0.6\n"
+"Report-Msgid-Bugs-To: [e-mail]\n"
+"POT-Creation-Date: 2009-11-24 13:09:22+0000\n"
+"PO-Revision-Date: 2009-11-24 13:09:22+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: account_cash_discount
+#: constraint:ir.ui.view:0
+msgid "Invalid XML for View Architecture!"
+msgstr ""
+
+#. module: account_cash_discount
+#: constraint:ir.model:0
+msgid "The Object name must start with x_ and not contain any special character !"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,name:0
+msgid "Name"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,delay:0
+msgid "Number of Days"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,discount:0
+msgid "Discount (%)"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,credit_account_id:0
+msgid "Credit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,debit_account_id:0
+msgid "Debit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,description:account_cash_discount.module_meta_information
+msgid "\n"
+"    This module adds cash discounts on payment terms. Cash discounts\n"
+"    for a payment term can be configured with:\n"
+"        * A number of days,\n"
+"        * A discount (%),\n"
+"        * A debit and a credit account\n"
+"    "
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,shortdesc:account_cash_discount.module_meta_information
+msgid "Payement Term with Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: view:account.cash.discount:0
+#: view:account.payment.term:0
+#: model:ir.model,name:account_cash_discount.model_account_cash_discount
+msgid "Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,payment_id:0
+msgid "Associated Payment Term"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.payment.term,cash_discount_ids:0
+msgid "Cash Discounts"
+msgstr ""
+

=== added file 'account_cash_discount_us/account_cash_discount_us/i18n/fr_BE.po'
--- account_cash_discount_us/account_cash_discount_us/i18n/fr_BE.po	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/i18n/fr_BE.po	2011-10-06 15:23:28 +0000
@@ -0,0 +1,85 @@
+# Translation of OpenERP Server.
+# This file contains the translation of the following modules:
+#	* account_cash_discount
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: OpenERP Server 5.0.6\n"
+"Report-Msgid-Bugs-To: [e-mail]\n"
+"POT-Creation-Date: 2009-11-24 13:09:22+0000\n"
+"PO-Revision-Date: 2009-11-24 13:09:22+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: account_cash_discount
+#: constraint:ir.ui.view:0
+msgid "Invalid XML for View Architecture!"
+msgstr ""
+
+#. module: account_cash_discount
+#: constraint:ir.model:0
+msgid "The Object name must start with x_ and not contain any special character !"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,name:0
+msgid "Name"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,delay:0
+msgid "Number of Days"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,discount:0
+msgid "Discount (%)"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,credit_account_id:0
+msgid "Credit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,debit_account_id:0
+msgid "Debit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,description:account_cash_discount.module_meta_information
+msgid "\n"
+"    This module adds cash discounts on payment terms. Cash discounts\n"
+"    for a payment term can be configured with:\n"
+"        * A number of days,\n"
+"        * A discount (%),\n"
+"        * A debit and a credit account\n"
+"    "
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,shortdesc:account_cash_discount.module_meta_information
+msgid "Payement Term with Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: view:account.cash.discount:0
+#: view:account.payment.term:0
+#: model:ir.model,name:account_cash_discount.model_account_cash_discount
+msgid "Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,payment_id:0
+msgid "Associated Payment Term"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.payment.term,cash_discount_ids:0
+msgid "Cash Discounts"
+msgstr ""
+

=== added file 'account_cash_discount_us/account_cash_discount_us/product_view.xml'
--- account_cash_discount_us/account_cash_discount_us/product_view.xml	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/product_view.xml	2011-10-06 15:23:28 +0000
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <record id="product_normal_form_view" model="ir.ui.view">
+            <field name="name">product.normal.form.inherit2</field>
+            <field name="model">product.product</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account.product_normal_form_view"/>
+            <field name="arch" type="xml">
+				<xpath expr="//field[@name='property_account_expense']" position="after">
+				        <newline/>
+                        <field name="sales_discount_account" attrs="{'readonly':[('sale_ok','=',0)]}"/>
+                        <field name="purchase_discount_account" attrs="{'readonly':[('purchase_ok','=',0)]}"/>
+				</xpath>
+            </field>
+        </record>
+    </data>
+</openerp>
+            

=== added directory 'account_cash_discount_us/account_cash_discount_us/security'
=== added file 'account_cash_discount_us/account_cash_discount_us/security/ir.model.access.csv'
--- account_cash_discount_us/account_cash_discount_us/security/ir.model.access.csv	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_us/security/ir.model.access.csv	2011-10-06 15:23:28 +0000
@@ -0,0 +1,7 @@
+"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
+"access_account_invoice_pay_writeoff","account.invoice.pay.writeoff","account_cash_discount_us.model_account_invoice_pay_writeoff","account.group_account_user",1,0,0,0
+"access_account_invoice_pay_writeoff_manager","account.invoice.pay.writeoff","account_cash_discount_us.model_account_invoice_pay_writeoff","account.group_account_manager",1,1,1,1
+"access_account_invoice_pay","account.invoice.pay","account_cash_discount_us.model_account_invoice_pay","account.group_account_user",1,0,0,0
+"access_account_invoice_pay_manager","account.invoice.pay","account_cash_discount_us.model_account_invoice_pay","account.group_account_manager",1,1,1,1
+"access_account_voucher_line_discount_to_use","account.voucher.line.discount_to_usey","account_cash_discount_us.model_account_voucher_line_discount_to_use","account.group_account_user",1,0,0,0
+"access_account_voucher_line_discount_to_use_manager","account.voucher.line.discount_to_use","account_cash_discount_us.model_account_voucher_line_discount_to_use","account.group_account_manager",1,1,1,1
\ No newline at end of file

=== added directory 'account_cash_discount_us/account_cash_discount_us/wizard'
=== added file 'account_cash_discount_us/account_cash_discount_view.xml'
--- account_cash_discount_us/account_cash_discount_view.xml	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/account_cash_discount_view.xml	2011-10-06 15:23:28 +0000
@@ -0,0 +1,329 @@
+<?xml version="1.0"?>
+<openerp>
+    <data>
+
+        <!-- cash discount -->
+
+        <record id="invoice_supplier_form_jdc" model="ir.ui.view">
+            <field name="name">account.invoice.supplier.form.jdc</field>
+            <field name="model">account.invoice</field>
+            <field name="type">form</field>
+            <field name="priority">2</field>
+            <field name="inherit_id" ref="account.invoice_supplier_form"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page/field[@name='check_total']" position="after">
+					<field name="date_discount"/>
+					<field name="amount_discounted"/>
+				</xpath>
+			</field>
+		</record>
+        <record id="invoice_form_jdc1" model="ir.ui.view">
+            <field name="name">account.invoice.form.jdc1</field>
+            <field name="model">account.invoice</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account.invoice_form"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Invoice']/field[@name='invoice_line']" position="before">
+					<group colspan="2" col="4">
+						<field name="date_discount"/>
+						<field name="amount_discounted"/>
+					</group>
+				</xpath>
+			</field>
+		</record>
+
+
+         <!--
+        Invoice Line
+        -->
+        <record id="view_invoice_line_form_discount" model="ir.ui.view">
+            <field name="name">account.invoice.line.form.discount</field>
+            <field name="model">account.invoice.line</field>
+            <field name="inherit_id" ref="account.view_invoice_line_form"/>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page/field[@name='discount']" position="after">
+					<field name="cash_discount"/>
+				</xpath>
+			</field>
+		</record>
+
+        <!--
+        Products
+        -->
+        <record id="product_normal_form_view_discount" model="ir.ui.view">
+            <field name="name">product.normal.form.discount</field>
+            <field name="model">product.product</field>
+            <field name="type">form</field>
+            <field eval="7" name="priority"/>
+            <field name="inherit_id" ref="product.product_normal_form_view"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Suppliers']/field[@name='seller_ids']" position="after">
+					<field name="cash_discount"/>
+				</xpath>
+			</field>
+		</record>
+
+        <!--
+        Company
+        -->
+        <record id="view_company_form_jdc2" model="ir.ui.view">
+            <field name="name">res.company.form.jdc2</field>
+            <field name="model">res.company</field>
+            <field name="type">form</field>
+			<field name="inherit_id"  ref="account_voucher_credits_us.view_company_form_jdc3"/>
+			<field name="priority" eval="1"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Accounting']/field[@name='writeoff_account']" position="before">
+                     <field name="sales_discount_account" colspan="2" />
+                     <field name="purchase_discount_account" colspan="2" />
+                     <field name="sales_discount_journal" colspan="2"/>
+                     <field name="purchase_discount_journal" colspan="2"/>
+	            </xpath>
+            </field>
+        </record>
+
+	<!--     Discount         -->
+
+        <record model="ir.ui.view" id="view_account_wizard_discount_form">
+            <field name="name">account.wizard.discount.form</field>
+            <field name="model">account.wizard.discount</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Discount">
+                    <field name="use_discount" select="1"/>
+                    <field name="inv_payment_terms" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="discount_amount" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_discount_tree">
+            <field name="name">account.wizard.discount.tree</field>
+            <field name="model">account.wizard.discount</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Discount" editable="bottom">
+                    <field name="use_discount" select="1"/>
+                    <field name="inv_payment_terms" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="discount_amount" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </tree>
+            </field>
+        </record>
+	<!--      credit        -->
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_form">
+            <field name="name">account.wizard.credit.form</field>
+            <field name="model">account.wizard.credit</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Credits">
+                    <field name="use_credit" select="1"/>
+                    <field name="inv_credit" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1" readonly="1"/>
+                    <field name="proposed_discount" select="1" readonly="1"/>
+                    <field name="discount_amount" select="1" />
+                    <field name="credit_bal" select="1" readonly="1"/>
+                    <field name="gl_account" select="1" readonly="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_tree">
+            <field name="name">account.wizard.credit.tree</field>
+            <field name="model">account.wizard.credit</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Credits" editable="bottom">
+                    <field name="use_credit" select="1"/>
+                    <field name="inv_credit" select="1" readonly="1"/>
+                    <field name="discount_window_date" select="1" readonly="1"/>
+                    <field name="proposed_discount" select="1" readonly="1"/>
+                    <field name="discount_amount" select="1" />
+                    <field name="credit_bal" select="1" readonly="1"/>
+                    <field name="gl_account" select="1"  readonly="1"/>
+                </tree>
+            </field>
+        </record>
+        
+        
+     	<!--      credit used        -->   
+        
+        <record model="ir.ui.view" id="view_account_wizard_credit_used_form">
+            <field name="name">account.wizard.credit.used.form</field>
+            <field name="model">account.wizard.credit.used</field>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <form string="Previously Applied Credit">
+                    <field name="date_used" select="1"/>
+                    <field name="inv_credit" select="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="amt_used" select="1"/>
+                    <field name="inv_move" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </form>
+            </field>
+        </record>
+
+        <record model="ir.ui.view" id="view_account_wizard_credit_used_tree">
+            <field name="name">account.wizard.credit.used.tree</field>
+            <field name="model">account.wizard.credit.used</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+                <tree string="Previously Applied Credit" editable="bottom">
+                    <field name="date_used" select="1"/>
+                    <field name="inv_credit" select="1"/>
+                    <field name="discount_window_date" select="1"/>
+                    <field name="proposed_discount" select="1"/>
+                    <field name="amt_used" select="1"/>
+                    <field name="inv_move" select="1"/>
+                    <field name="gl_account" select="1"/>
+                </tree>
+            </field>
+        </record>
+        
+        <!--      Supplier payment form modification for discount      -->   
+        <record model="ir.ui.view" id="view_vendor_payment_form_inherit">
+            <field name="name">account.voucher.payment.form.inherit</field>
+            <field name="model">account.voucher</field>
+            <field name="inherit_id" ref="account_voucher.view_vendor_payment_form"/>
+            <field name="type">form</field>
+            <field name="arch" type="xml">
+                <xpath expr="/form/group/field[@name='amount']" position="attributes" >
+                    <attribute name='on_change'>onchange_amount(amount)</attribute>            
+                </xpath>
+				<xpath expr="/form/group[@col='10']/button[@name='cancel_voucher']" position="after">
+                    <button name="calc_supp_diff" string="Calculate" type="object" states="draft" icon="gtk-execute"  />
+				</xpath>
+				<xpath expr="//field[@name='line_dr_ids']" position="replace">
+					<field name="line_dr_ids" default_get="{'journal_id':journal_id, 'type':type, 'partner_id':partner_id}" colspan="4" nolabel="1" height="140" string="Payment Modification">
+						<tree string="Invoices and Outstanding Transactions" editable="bottom">
+	                        <field name="move_line_id" context="{'journal_id':parent.journal_id, 'partner_id':parent.partner_id}"
+	                            on_change="onchange_move_line_id(move_line_id)"
+	                            domain="[('account_id.type','in',('receivable','payable')), ('reconcile_id','=', False), ('partner_id','=',parent.partner_id)]"
+	                            />
+	                        <field name="date_original" readonly="1"/>
+	                        <field name="date_due" readonly="1"/>
+	                        <field name="amount_original" readonly="1"/>
+	                        <field name="amount_unreconciled" sum="Open Balance" readonly="1"/>
+							<field name="pay" on_change="onchange_supp_pay(amount, pay, amount_unreconciled, parent.line_cr_ids, parent.amount, credit_used, discount_used, writeoff_amount)"/>
+	                        <field name="amount" sum="Payment"/>
+	                        <field name="discount" />
+							<field name="supp_amount_difference"/>
+							
+							<field name="credit_used"/>
+							<field name="account_id"/>
+							<field name="discount_used" invisible="1"/>
+							<field name="writeoff_amount" invisible="1"/>
+	                    </tree>						
+					
+						<form string="Supplier Invoices and Outstanding transactions" >
+							<field name="move_line_id" context="{'journal_id':parent.journal_id, 'partner_id':parent.partner_id}"
+		                        on_change="onchange_move_line_id(move_line_id)"
+		                        domain="[('account_id.type','=','payable'), ('reconcile_id','=', False), ('partner_id','=',parent.partner_id)]"
+		                        />
+		                    <field name="account_id" groups="base.group_extended" domain="[('type','=','payable')]"/>
+		                    <field name="invoice_id"/>
+		                    <field name="date_original" readonly="1"/>
+		                    <field name="date_due" readonly="1"/>
+		                    <field name="amount_original" readonly="1"/>
+		                    <field name="amount_unreconciled" sum="Open Balance" readonly="1"/>
+		                    <field name="amount" sum="Payment"/>
+							<field name="supp_amount_difference"/>
+							<field name="discount_used"/>	                    
+						    <notebook tabpos="up" colspan="4" >
+								<page string="Discount">
+						            <field name="available_discounts" nolabel="1" colspan="4" string="Avilable Discounts" view_mode="tree" />
+						        </page>
+								<page string="Other Info" readonly="1">
+									<field name='partner_id' readonly="1"/>
+									<field name='untax_amount' readonly="1"/>
+									<field name='type' readonly="1"/>
+									<field name='account_analytic_id' readonly="1"/>
+									<field name='company_id' readonly="1"/>
+									<field name='pay'  on_change="onchange_pay(amount, pay, amount_unreconciled, parent.line_dr_ids, parent.amount, credit_used, discount_used, writeoff_amount)"/>
+								</page>
+						    </notebook>
+						    <newline/>
+	                		<button name="clear_values" icon='gtk-clear' string="Clear" type="object" colspan="1"/>
+	                		<button name="recalculate_supp_values" icon='gtk-refresh' string="Re-Calculate" type="object" colspan="1"/>
+						</form>
+					</field>
+				</xpath>    
+    
+            </field>
+        </record>
+    
+        
+        <!--      customer payment form modification for discount      -->   
+        
+        
+        <record model="ir.ui.view" id="view_vendor_receipt_form_2">
+            <field name="name">account.voucher.receipt.form.2</field>
+            <field name="model">account.voucher</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account_voucher_credits_us.view_vendor_receipt_form_1"/>
+            <field name="arch" type="xml">
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field[@name='line_cr_ids']/form/group[@string='Invoice']/group[@color='red']/field[@name='credit_used']" position="before">
+					<field name="discount_used"/>
+					<newline />
+				</xpath>
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field/tree/field[@name='credit_used']" position="before">
+					<field name="discount_used"/>
+					<newline/>
+				</xpath>
+				<xpath expr="/form/notebook/page[@string='Payment Information']/field[@name='line_cr_ids']/form/notebook/page[@string='Credit']" position="before">
+					<page string="Discount">
+			            <field name="available_discounts" nolabel="1" colspan="4" string="Avilable Discounts" view_mode="tree" />
+			        </page>
+				</xpath>
+            </field>
+        </record>
+        
+        
+        <record model="ir.ui.view" id="view_account_voucher_line_discount_to_use_tree">
+            <field name="name">account.voucher.line.discount_to_use.tree</field>
+            <field name="model">account.voucher.line.discount_to_use</field>
+            <field name="type">tree</field>
+            <field name="arch" type="xml">
+            	<tree string="Available Discounts" editable="top">
+            		<field name="use_discount" width="125" on_change="onchage_use_discount(use_discount, proposed_discount)"/>
+            		<field name="inv_payment_terms"/>
+            		<field name="discount_window_date"/>
+            		<field name="proposed_discount"/>
+            		<field name="discount_amount" on_change="onchage_discount_amount(proposed_discount, discount_amount)"/>
+            		<field name="gl_account"/>			            		
+            	</tree>
+            </field>
+        </record>
+        
+        <record model="ir.ui.view" id="view_payment_term_form_inherited">
+            <field name="name">account.payment.term.form.inherited</field>
+            <field name="model">account.payment.term</field>
+            <field name="inherit_id" ref="account_cash_discount.view_payment_term_form"/>
+            <field name="arch" type="xml">
+                <separator string="Cash Discount" colspan="4" position="replace"/>
+            </field>
+        </record>
+        <record model="ir.ui.view" id="view_payment_term_form_inherited2">
+            <field name="name">account.payment.term.form.inherited2</field>
+            <field name="model">account.payment.term</field>
+            <field name="inherit_id" ref="view_payment_term_form_inherited"/>
+            <field name="arch" type="xml">
+                <field name="cash_discount_ids" colspan="4" position="replace">
+                	<separator string="Cash Discount" colspan="4"/>
+                    <field name="cash_discount_ids" colspan="4" nolabel="1"/>
+                </field>
+            </field>
+        </record>
+
+        	
+    </data>
+</openerp>

=== added file 'account_cash_discount_us/amount_to_words.py'
--- account_cash_discount_us/amount_to_words.py	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/amount_to_words.py	2011-10-06 15:23:28 +0000
@@ -0,0 +1,77 @@
+
+# can be used for numbers as large as 999 vigintillion
+# (vigintillion --> 10 to the power 60)
+# tested with Python24      vegaseat      07dec2006
+
+def int2word(n):
+    """
+    convert an integer number n into a string of English words
+    """
+    # break the number into groups of 3 digits using slicing
+    # each group representing hundred, thousand, million, billion, ...
+    if not n:
+        return 'Zero '
+    n3 = []
+    r1 = ""
+    # create numeric string
+    ns = str(n)
+    for k in range(3, 33, 3):
+        r = ns[-k:]
+        q = len(ns) - k
+        # break if end of ns has been reached
+        if q < -2:
+            break
+        else:
+            if  q >= 0:
+                n3.append(int(r[:3]))
+            elif q >= -1:
+                n3.append(int(r[:2]))
+            elif q >= -2:
+                n3.append(int(r[:1]))
+        r1 = r
+    nw = ""
+    for i, x in enumerate(n3):
+        b1 = x % 10
+        b2 = (x % 100)//10
+        b3 = (x % 1000)//100
+        if x == 0:
+            continue  # skip
+        else:
+            t = thousands[i]
+        if b2 == 0:
+            nw = ones[b1] + t + nw
+        elif b2 == 1:
+            nw = tens[b1] + t + nw
+        elif b2 > 1:
+            nw = twenties[b2] + ones[b1] + t + nw
+        if b3 > 0:
+            nw = ones[b3] + "hundred " + nw
+    return nw
+
+############# globals ################
+
+ones = ["", "One ","Two ","Three ","Four ", "Five ",
+    "Six ","Seven ","Eight ","Nine "]
+
+tens = ["Ten ","Eleven ","Twelve ","Thirteen ", "Fourteen ",
+    "Fifteen ","Sixteen ","Seventeen ","Eighteen ","Nineteen "]
+
+twenties = ["","","Twenty ","Thirty ","Forty ",
+    "Fifty ","Sixty ","Seventy ","Eighty ","Ninety "]
+
+thousands = ["","Thousand ","Million ", "Billion ", "Trillion ",
+    "Quadrillion ", "Quintillion ", "Sextillion ", "Septillion ","Octillion ",
+    "Nonillion ", "Decillion ", "Undecillion ", "Duodecillion ", "Tredecillion ",
+    "Quattuordecillion ", "Sexdecillion ", "Septendecillion ", "Octodecillion ",
+    "Novemdecillion ", "Vigintillion "]
+
+def amount_to_words(num):
+    # select an integer number n for testing or get it from user input
+    res=""
+    if num < 0:
+        res="Negative "
+        num=float(str(num)[1:])
+    if num==0: return 'Zero'
+    else:
+        n=str(num).split('.')
+        return res+int2word(int(n[0]))+'and '+(len(n)>1 and int(n[1]) and str((num - int(num))*100).split('.')[0] or 'no')+'/100s'

=== added directory 'account_cash_discount_us/i18n'
=== added file 'account_cash_discount_us/i18n/account_cash_discount.pot'
--- account_cash_discount_us/i18n/account_cash_discount.pot	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/i18n/account_cash_discount.pot	2011-10-06 15:23:28 +0000
@@ -0,0 +1,85 @@
+# Translation of OpenERP Server.
+# This file contains the translation of the following modules:
+#	* account_cash_discount
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: OpenERP Server 5.0.6\n"
+"Report-Msgid-Bugs-To: [e-mail]\n"
+"POT-Creation-Date: 2009-11-24 13:09:22+0000\n"
+"PO-Revision-Date: 2009-11-24 13:09:22+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: account_cash_discount
+#: constraint:ir.ui.view:0
+msgid "Invalid XML for View Architecture!"
+msgstr ""
+
+#. module: account_cash_discount
+#: constraint:ir.model:0
+msgid "The Object name must start with x_ and not contain any special character !"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,name:0
+msgid "Name"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,delay:0
+msgid "Number of Days"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,discount:0
+msgid "Discount (%)"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,credit_account_id:0
+msgid "Credit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,debit_account_id:0
+msgid "Debit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,description:account_cash_discount.module_meta_information
+msgid "\n"
+"    This module adds cash discounts on payment terms. Cash discounts\n"
+"    for a payment term can be configured with:\n"
+"        * A number of days,\n"
+"        * A discount (%),\n"
+"        * A debit and a credit account\n"
+"    "
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,shortdesc:account_cash_discount.module_meta_information
+msgid "Payement Term with Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: view:account.cash.discount:0
+#: view:account.payment.term:0
+#: model:ir.model,name:account_cash_discount.model_account_cash_discount
+msgid "Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,payment_id:0
+msgid "Associated Payment Term"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.payment.term,cash_discount_ids:0
+msgid "Cash Discounts"
+msgstr ""
+

=== added file 'account_cash_discount_us/i18n/fr_BE.po'
--- account_cash_discount_us/i18n/fr_BE.po	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/i18n/fr_BE.po	2011-10-06 15:23:28 +0000
@@ -0,0 +1,85 @@
+# Translation of OpenERP Server.
+# This file contains the translation of the following modules:
+#	* account_cash_discount
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: OpenERP Server 5.0.6\n"
+"Report-Msgid-Bugs-To: [e-mail]\n"
+"POT-Creation-Date: 2009-11-24 13:09:22+0000\n"
+"PO-Revision-Date: 2009-11-24 13:09:22+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: account_cash_discount
+#: constraint:ir.ui.view:0
+msgid "Invalid XML for View Architecture!"
+msgstr ""
+
+#. module: account_cash_discount
+#: constraint:ir.model:0
+msgid "The Object name must start with x_ and not contain any special character !"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,name:0
+msgid "Name"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,delay:0
+msgid "Number of Days"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,discount:0
+msgid "Discount (%)"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,credit_account_id:0
+msgid "Credit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,debit_account_id:0
+msgid "Debit Account"
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,description:account_cash_discount.module_meta_information
+msgid "\n"
+"    This module adds cash discounts on payment terms. Cash discounts\n"
+"    for a payment term can be configured with:\n"
+"        * A number of days,\n"
+"        * A discount (%),\n"
+"        * A debit and a credit account\n"
+"    "
+msgstr ""
+
+#. module: account_cash_discount
+#: model:ir.module.module,shortdesc:account_cash_discount.module_meta_information
+msgid "Payement Term with Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: view:account.cash.discount:0
+#: view:account.payment.term:0
+#: model:ir.model,name:account_cash_discount.model_account_cash_discount
+msgid "Cash Discount"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.cash.discount,payment_id:0
+msgid "Associated Payment Term"
+msgstr ""
+
+#. module: account_cash_discount
+#: field:account.payment.term,cash_discount_ids:0
+msgid "Cash Discounts"
+msgstr ""
+

=== added file 'account_cash_discount_us/product_view.xml'
--- account_cash_discount_us/product_view.xml	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/product_view.xml	2011-10-06 15:23:28 +0000
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <record id="product_normal_form_view" model="ir.ui.view">
+            <field name="name">product.normal.form.inherit2</field>
+            <field name="model">product.product</field>
+            <field name="type">form</field>
+            <field name="inherit_id" ref="account.product_normal_form_view"/>
+            <field name="arch" type="xml">
+				<xpath expr="//field[@name='property_account_expense']" position="after">
+				        <newline/>
+                        <field name="sales_discount_account" attrs="{'readonly':[('sale_ok','=',0)]}"/>
+                        <field name="purchase_discount_account" attrs="{'readonly':[('purchase_ok','=',0)]}"/>
+				</xpath>
+            </field>
+        </record>
+    </data>
+</openerp>
+            

=== added directory 'account_cash_discount_us/security'
=== added file 'account_cash_discount_us/security/ir.model.access.csv'
--- account_cash_discount_us/security/ir.model.access.csv	1970-01-01 00:00:00 +0000
+++ account_cash_discount_us/security/ir.model.access.csv	2011-10-06 15:23:28 +0000
@@ -0,0 +1,7 @@
+"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
+"access_account_invoice_pay_writeoff","account.invoice.pay.writeoff","account_cash_discount_us.model_account_invoice_pay_writeoff","account.group_account_user",1,0,0,0
+"access_account_invoice_pay_writeoff_manager","account.invoice.pay.writeoff","account_cash_discount_us.model_account_invoice_pay_writeoff","account.group_account_manager",1,1,1,1
+"access_account_invoice_pay","account.invoice.pay","account_cash_discount_us.model_account_invoice_pay","account.group_account_user",1,0,0,0
+"access_account_invoice_pay_manager","account.invoice.pay","account_cash_discount_us.model_account_invoice_pay","account.group_account_manager",1,1,1,1
+"access_account_voucher_line_discount_to_use","account.voucher.line.discount_to_usey","account_cash_discount_us.model_account_voucher_line_discount_to_use","account.group_account_user",1,0,0,0
+"access_account_voucher_line_discount_to_use_manager","account.voucher.line.discount_to_use","account_cash_discount_us.model_account_voucher_line_discount_to_use","account.group_account_manager",1,1,1,1
\ No newline at end of file