Merge lp:~davidc3/developer-ubuntu-com/redirects-on-404-1 into lp:developer-ubuntu-com

[David Callé]

Hardcoded redirects on 404 page.

Hardcoded redirects on 404 page.

- Checks if beginning of path matches a redirect
- Replaces by new uri
- Checks if page exists
- Redirects

[lp:~davidc3/developer-ubuntu-com/redirects-on-404-1]

208. By David Callé on 2016-04-05

Remove newlines

[Daniel Holbach (dholbach)]

Had to turn off DEBUG = True, but worked nicely for me.

+1.

review: Approve

=== modified file 'templates/404.html'
--- templates/404.html	2014-12-19 19:23:06 +0000
+++ templates/404.html	2016-04-05 10:03:24 +0000
@@ -6,5 +6,48 @@
 {% block nav_secondary %}{% endblock %}
 
 {% block content %}
-<div class="row">{% trans "This page does not exist. If you feel that this is an error, please <a href='https://bugs.launchpad.net/developer-ubuntu-com/+filebug'>file a bug</a>." %}</div>
+
+{% get_current_language as lang %}
+
+<div class="row">{% trans "This page does not exist or has been moved. If you feel that this is an error, please <a href='https://bugs.launchpad.net/developer-ubuntu-com/+filebug'>file a bug</a>." %}</div>
+
+<script>
+
+    var path = "{{ request.path }}";
+
+    var move = [{'from':'/apps/', 'to':'/phone/apps/'},
+                {'from':'/scopes/', 'to':'/phone/scopes/'},
+                {'from':'/web/', 'to':'/phone/web/'},
+                {'from':'/start/ubuntu-for-devices/', 'to':'/phone/devices/'},
+                {'from':'/start/platform/', 'to':'/phone/platform/'},
+                {'from':'/start/quality/', 'to':'/phone/platform/quality/'},
+                {'from':'/start/ubuntu-sdk/', 'to':'/phone/platform/sdk/'},
+                {'from':'/start/', 'to':'/phone/'}]
+
+    function returnStatus(req, status) {
+        if(status == 200) {
+            window.location = new_path
+        }
+    }
+
+    function fetchStatus(address) {
+        var client = new XMLHttpRequest();
+        client.onreadystatechange = function() {
+            if(this.readyState == 4)
+                returnStatus(this, this.status);
+        }
+        client.open("HEAD", address);
+        client.send();
+    }
+
+    for (var i = 0; i < move.length; i++) {
+        var m = "/" + "{{ lang }}" + move[i]['from']
+        var t = "/" + "{{ lang }}" + move[i]['to']
+        if (path.lastIndexOf(m, 0) === 0) {
+            var new_path = path.replace(m, t);
+                fetchStatus(new_path)
+            break;
+        }
+    }
+</script>
 {% endblock %}