Merge lp:~davidmhewitt/pantheon-photos/fix-1478642 into lp:~pantheon-photos/pantheon-photos/trunk

[David Hewitt]

Preserve metadata when opening photo directly from the filesystem

Timestamp is currently not imported from original photo file when directly opening the file from the FS rather than being in the library.

Fix ensures that the timestamp is imported even while opening the file directly.

=== modified file 'src/Photo.vala'
--- src/Photo.vala	2017-01-12 18:13:48 +0000
+++ src/Photo.vala	2017-01-27 19:55:14 +0000
@@ -1200,8 +1200,12 @@
         try {
             interrogator.interrogate ();
             DetectedPhotoInformation? detected = interrogator.get_detected_photo_information ();
-            if (detected != null)
+            if (detected != null) {
                 params.row.master.file_format = detected.file_format;
+                MetadataDateTime? date_time = detected.metadata.get_exposure_date_time ();
+                if (date_time != null)
+                    params.row.exposure_time = date_time.get_timestamp ();
+            }
         } catch (Error err) {
             debug ("Unable to interrogate photo file %s: %s", file.get_path (), err.message);
         }