added language code to tag synonym model

8 files changed, 482 insertions, 15 deletions

diff --git a/askbot/management/commands/create_tag_synonyms.py b/askbot/management/commands/create_tag_synonyms.py
index 06aae217..167beb9a 100644
--- a/askbot/management/commands/create_tag_synonyms.py
+++ b/askbot/management/commands/create_tag_synonyms.py
@@ -103,7 +103,10 @@ remove source_tag"""
         # test if target_tag is actually synonym for yet another tag
         # when user asked tag2->tag3, we already had tag3->tag4.
         try:
-            tag_synonym_tmp = models.TagSynonym.objects.get(source_tag_name = target_tag_name)
+            tag_synonym_tmp = models.TagSynonym.objects.get(
+                                                source_tag_name=target_tag_name,
+                                                language_code=options['lang']
+                                            )
             if not options.get('is_force', False):
                 prompt = """There exists a TagSynonym %s ==> %s,
     hence we will create a tag synonym %s ==> %s instead. Proceed?""" % (tag_synonym_tmp.source_tag_name, tag_synonym_tmp.target_tag_name,
@@ -130,17 +133,22 @@ remove source_tag"""
                               language_code=options['lang']
                             )
 
-        tag_synonym_tmp, created = models.TagSynonym.objects.get_or_create(source_tag_name = source_tag_name,
-                                                                           target_tag_name = target_tag_name,
-                                                                           owned_by = admin
-                                                                           )
+        tag_synonym_tmp, created = models.TagSynonym.objects.get_or_create(
+                                                                   source_tag_name=source_tag_name,
+                                                                   target_tag_name=target_tag_name,
+                                                                   owned_by=admin,
+                                                                   language_code=options['lang']
+                                                                )
         
         management.call_command('rename_tags', *args, **options)
 
         # When source_tag_name is a target_tag_name of already existing TagSynonym.
         # ie. if tag1->tag2 exists when user asked tag2->tag3
         # we are going to convert all tag1->tag2 to tag1->tag3 as well
-        existing_tag_synonyms = models.TagSynonym.objects.filter(target_tag_name=source_tag_name)
+        existing_tag_synonyms = models.TagSynonym.objects.filter(
+                                                target_tag_name=source_tag_name,
+                                                language_code=options['lang']
+                                            )
         for existing_tag_synonym in existing_tag_synonyms:
             new_options = options.copy()
             new_options['from'] = existing_tag_synonym.source_tag_name
diff --git a/askbot/management/commands/rename_tags_id.py b/askbot/management/commands/rename_tags_id.py
index 45e4a76a..7926d28d 100644
--- a/askbot/management/commands/rename_tags_id.py
+++ b/askbot/management/commands/rename_tags_id.py
@@ -104,6 +104,14 @@ rename_tags, but using tag id's
 
         from_tags = get_tags_by_ids(from_tag_ids)
         to_tags = get_tags_by_ids(to_tag_ids)
+
+        #all tags must belong to the same language
+        lang_codes = {tag.language_code for tag in (from_tags + to_tags)}
+        if len(lang_codes) != 1:
+            langs = ', '.join(lang_codes)
+            raise CommandError('all tags must belong to the same language, have: %s' % langs)
+        lang = list(lang_codes).pop()
+
         admin = get_admin(options['user_id'])
 
         questions = models.Thread.objects.all()
@@ -145,7 +153,10 @@ or repost a bug, if that does not help"""
         #if user provided tag1 as to_tag, and tagsynonym tag1->tag2 exists.
         for to_tag_name in to_tag_names:
             try:
-               tag_synonym =  models.TagSynonym.objects.get(source_tag_name = to_tag_name)
+               tag_synonym =  models.TagSynonym.objects.get(
+                                                source_tag_name=to_tag_name,
+                                                language_code=lang
+                                            )
                raise CommandError(u'You gave %s as --to argument, but TagSynonym: %s -> %s exists, probably you want to provide %s as --to argument' % (to_tag_name, tag_synonym.source_tag_name, tag_synonym.target_tag_name, tag_synonym.target_tag_name))
             except models.TagSynonym.DoesNotExist:
                 pass
@@ -195,4 +206,7 @@ or repost a bug, if that does not help"""
         # we want to update tagsynonym (tag1->tag2) to (tag1->tag3)
         for from_tag_name in from_tag_names:
             # we need db_index for target_tag_name as well for this
-            models.TagSynonym.objects.filter(target_tag_name = from_tag_name).update(target_tag_name = to_tag_name) 
+            models.TagSynonym.objects.filter(
+                                target_tag_name=from_tag_name,
+                                language_code=lang
+                            ).update(target_tag_name = to_tag_name) 
diff --git a/askbot/migrations/0176_populate_tag_language_code.py b/askbot/migrations/0176_populate_tag_language_code.py
index d8f28a6b..6c9f0aa7 100644
--- a/askbot/migrations/0176_populate_tag_language_code.py
+++ b/askbot/migrations/0176_populate_tag_language_code.py
@@ -49,7 +49,8 @@ class Migration(DataMigration):
                         new_tag.save()
                         new_tag.suggested_by.add(thread.last_activity_by)
 
-                    tag.used_count -= 1
+                    if tag.used_count > 1:
+                        tag.used_count -= 1
                     tag.save()
                     thread.tags.remove(tag)
                     thread.tags.add(new_tag)
diff --git a/askbot/migrations/0177_auto__add_field_tagsynonym_language_code.py b/askbot/migrations/0177_auto__add_field_tagsynonym_language_code.py
new file mode 100644
index 00000000..1a9d38c8
--- /dev/null
+++ b/askbot/migrations/0177_auto__add_field_tagsynonym_language_code.py
@@ -0,0 +1,424 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'TagSynonym.language_code'
+        db.add_column('askbot_tagsynonym', 'language_code',
+                      self.gf('django.db.models.fields.CharField')(default='en', max_length=16),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting field 'TagSynonym.language_code'
+        db.delete_column('askbot_tagsynonym', 'language_code')
+
+
+    models = {
+        'askbot.activity': {
+            'Meta': {'object_name': 'Activity', 'db_table': "u'activity'"},
+            'active_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'activity_type': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_auditted': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']", 'null': 'True'}),
+            'receiving_users': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'received_activity'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'recipients': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'incoming_activity'", 'symmetrical': 'False', 'through': "orm['askbot.ActivityAuditStatus']", 'to': "orm['auth.User']"}),
+            'summary': ('django.db.models.fields.TextField', [], {'default': "''"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.activityauditstatus': {
+            'Meta': {'unique_together': "(('user', 'activity'),)", 'object_name': 'ActivityAuditStatus'},
+            'activity': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Activity']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'status': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.anonymousanswer': {
+            'Meta': {'object_name': 'AnonymousAnswer'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_addr': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'anonymous_answers'", 'to': "orm['askbot.Post']"}),
+            'session_key': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'askbot.anonymousquestion': {
+            'Meta': {'object_name': 'AnonymousQuestion'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_addr': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'session_key': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'askbot.askwidget': {
+            'Meta': {'object_name': 'AskWidget'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'include_text_field': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'inner_style': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'outer_style': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Tag']", 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'askbot.award': {
+            'Meta': {'object_name': 'Award', 'db_table': "u'award'"},
+            'awarded_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'badge': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'award_badge'", 'to': "orm['askbot.BadgeData']"}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'notified': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'award_user'", 'to': "orm['auth.User']"})
+        },
+        'askbot.badgedata': {
+            'Meta': {'ordering': "('slug',)", 'object_name': 'BadgeData'},
+            'awarded_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'awarded_to': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'badges'", 'symmetrical': 'False', 'through': "orm['askbot.Award']", 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '50'})
+        },
+        'askbot.bulktagsubscription': {
+            'Meta': {'ordering': "['-date_added']", 'object_name': 'BulkTagSubscription'},
+            'date_added': ('django.db.models.fields.DateField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['askbot.Group']", 'symmetrical': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'tags': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['askbot.Tag']", 'symmetrical': 'False'}),
+            'users': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.User']", 'symmetrical': 'False'})
+        },
+        'askbot.draftanswer': {
+            'Meta': {'object_name': 'DraftAnswer'},
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'draft_answers'", 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'draft_answers'", 'to': "orm['askbot.Thread']"})
+        },
+        'askbot.draftquestion': {
+            'Meta': {'object_name': 'DraftQuestion'},
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125', 'null': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300', 'null': 'True'})
+        },
+        'askbot.emailfeedsetting': {
+            'Meta': {'unique_together': "(('subscriber', 'feed_type'),)", 'object_name': 'EmailFeedSetting'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'feed_type': ('django.db.models.fields.CharField', [], {'max_length': '16'}),
+            'frequency': ('django.db.models.fields.CharField', [], {'default': "'n'", 'max_length': '8'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'reported_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
+            'subscriber': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'notification_subscriptions'", 'to': "orm['auth.User']"})
+        },
+        'askbot.favoritequestion': {
+            'Meta': {'object_name': 'FavoriteQuestion', 'db_table': "u'favorite_question'"},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Thread']"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'user_favorite_questions'", 'to': "orm['auth.User']"})
+        },
+        'askbot.group': {
+            'Meta': {'object_name': 'Group', '_ormbases': ['auth.Group']},
+            'description': ('django.db.models.fields.related.OneToOneField', [], {'blank': 'True', 'related_name': "'described_group'", 'unique': 'True', 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'group_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.Group']", 'unique': 'True', 'primary_key': 'True'}),
+            'is_vip': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'logo_url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True'}),
+            'moderate_answers_to_enquirers': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'moderate_email': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'openness': ('django.db.models.fields.SmallIntegerField', [], {'default': '2'}),
+            'preapproved_email_domains': ('django.db.models.fields.TextField', [], {'default': "''", 'null': 'True', 'blank': 'True'}),
+            'preapproved_emails': ('django.db.models.fields.TextField', [], {'default': "''", 'null': 'True', 'blank': 'True'}),
+            'read_only': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'askbot.groupmembership': {
+            'Meta': {'object_name': 'GroupMembership', '_ormbases': ['auth.AuthUserGroups']},
+            'authusergroups_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.AuthUserGroups']", 'unique': 'True', 'primary_key': 'True'}),
+            'level': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'})
+        },
+        'askbot.importedobjectinfo': {
+            'Meta': {'object_name': 'ImportedObjectInfo'},
+            'extra_info': ('picklefield.fields.PickledObjectField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'new_id': ('django.db.models.fields.IntegerField', [], {}),
+            'old_id': ('django.db.models.fields.IntegerField', [], {}),
+            'run': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.ImportRun']"})
+        },
+        'askbot.importrun': {
+            'Meta': {'object_name': 'ImportRun'},
+            'command': ('django.db.models.fields.TextField', [], {'default': "''"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'timestamp': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
+        },
+        'askbot.markedtag': {
+            'Meta': {'object_name': 'MarkedTag'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'reason': ('django.db.models.fields.CharField', [], {'max_length': '16'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'user_selections'", 'to': "orm['askbot.Tag']"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'tag_selections'", 'to': "orm['auth.User']"})
+        },
+        'askbot.post': {
+            'Meta': {'object_name': 'Post'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'db_index': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'posts'", 'to': "orm['auth.User']"}),
+            'comment_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
+            'deleted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'deleted_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'deleted_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'group_posts'", 'symmetrical': 'False', 'through': "orm['askbot.PostToGroup']", 'to': "orm['askbot.Group']"}),
+            'html': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'default': "'en'", 'max_length': '16'}),
+            'last_edited_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'last_edited_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'last_edited_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'locked': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'locked_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'locked_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'locked_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'offensive_flag_count': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'old_answer_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'old_comment_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'old_question_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'comments'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'points': ('django.db.models.fields.IntegerField', [], {'default': '0', 'db_column': "'score'"}),
+            'post_type': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'summary': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'related_name': "'posts'", 'null': 'True', 'blank': 'True', 'to': "orm['askbot.Thread']"}),
+            'vote_down_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'vote_up_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'wikified_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'askbot.postflagreason': {
+            'Meta': {'object_name': 'PostFlagReason'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'details': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'post_reject_reasons'", 'to': "orm['askbot.Post']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '128'})
+        },
+        'askbot.postrevision': {
+            'Meta': {'ordering': "('-revision',)", 'unique_together': "(('post', 'revision'),)", 'object_name': 'PostRevision'},
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
+            'approved_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'approved_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'postrevisions'", 'to': "orm['auth.User']"}),
+            'by_email': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'email_address': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'revisions'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'revised_at': ('django.db.models.fields.DateTimeField', [], {}),
+            'revision': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'summary': ('django.db.models.fields.CharField', [], {'max_length': '300', 'blank': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '125', 'blank': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '300', 'blank': 'True'})
+        },
+        'askbot.posttogroup': {
+            'Meta': {'unique_together': "(('post', 'group'),)", 'object_name': 'PostToGroup', 'db_table': "'askbot_post_groups'"},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']"})
+        },
+        'askbot.questionview': {
+            'Meta': {'object_name': 'QuestionView'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'viewed'", 'to': "orm['askbot.Post']"}),
+            'when': ('django.db.models.fields.DateTimeField', [], {}),
+            'who': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'question_views'", 'to': "orm['auth.User']"})
+        },
+        'askbot.questionwidget': {
+            'Meta': {'object_name': 'QuestionWidget'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'order_by': ('django.db.models.fields.CharField', [], {'default': "'-added_at'", 'max_length': '18'}),
+            'question_number': ('django.db.models.fields.PositiveIntegerField', [], {'default': '7'}),
+            'search_query': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '50', 'null': 'True', 'blank': 'True'}),
+            'style': ('django.db.models.fields.TextField', [], {'default': '"\\n@import url(\'http://fonts.googleapis.com/css?family=Yanone+Kaffeesatz:300,400,700\');\\nbody {\\n    overflow: hidden;\\n}\\n\\n#container {\\n    width: 200px;\\n    height: 350px;\\n}\\nul {\\n    list-style: none;\\n    padding: 5px;\\n    margin: 5px;\\n}\\nli {\\n    border-bottom: #CCC 1px solid;\\n    padding-bottom: 5px;\\n    padding-top: 5px;\\n}\\nli:last-child {\\n    border: none;\\n}\\na {\\n    text-decoration: none;\\n    color: #464646;\\n    font-family: \'Yanone Kaffeesatz\', sans-serif;\\n    font-size: 15px;\\n}\\n"', 'blank': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'askbot.replyaddress': {
+            'Meta': {'object_name': 'ReplyAddress'},
+            'address': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '25'}),
+            'allowed_from_email': ('django.db.models.fields.EmailField', [], {'max_length': '150'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'reply_addresses'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'reply_action': ('django.db.models.fields.CharField', [], {'default': "'auto_answer_or_comment'", 'max_length': '32'}),
+            'response_post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'edit_addresses'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'used_at': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.repute': {
+            'Meta': {'object_name': 'Repute', 'db_table': "u'repute'"},
+            'comment': ('django.db.models.fields.CharField', [], {'max_length': '128', 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'negative': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'positive': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']", 'null': 'True', 'blank': 'True'}),
+            'reputation': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'reputation_type': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'reputed_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.tag': {
+            'Meta': {'ordering': "('-used_count', 'name')", 'unique_together': "(('name', 'language_code'),)", 'object_name': 'Tag', 'db_table': "u'tag'"},
+            'created_by': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'created_tags'", 'to': "orm['auth.User']"}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'deleted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'deleted_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'deleted_tags'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'default': "'en'", 'max_length': '16'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'status': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'}),
+            'suggested_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'suggested_tags'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'tag_wiki': ('django.db.models.fields.related.OneToOneField', [], {'related_name': "'described_tag'", 'unique': 'True', 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'used_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'})
+        },
+        'askbot.tagsynonym': {
+            'Meta': {'object_name': 'TagSynonym'},
+            'auto_rename_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'default': "'en'", 'max_length': '16'}),
+            'last_auto_rename_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'owned_by': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'tag_synonyms'", 'to': "orm['auth.User']"}),
+            'source_tag_name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'target_tag_name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'})
+        },
+        'askbot.thread': {
+            'Meta': {'object_name': 'Thread'},
+            'accepted_answer': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'answer_accepted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'answer_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'db_index': 'True'}),
+            'close_reason': ('django.db.models.fields.SmallIntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'closed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'closed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'closed_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
+            'favorited_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'unused_favorite_threads'", 'symmetrical': 'False', 'through': "orm['askbot.FavoriteQuestion']", 'to': "orm['auth.User']"}),
+            'favourite_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'followed_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'followed_threads'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'group_threads'", 'symmetrical': 'False', 'through': "orm['askbot.ThreadToGroup']", 'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'default': "'en'", 'max_length': '16'}),
+            'last_activity_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_activity_by': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'unused_last_active_in_threads'", 'to': "orm['auth.User']"}),
+            'points': ('django.db.models.fields.IntegerField', [], {'default': '0', 'db_column': "'score'"}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125'}),
+            'tags': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'threads'", 'symmetrical': 'False', 'to': "orm['askbot.Tag']"}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
+            'view_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'})
+        },
+        'askbot.threadtogroup': {
+            'Meta': {'unique_together': "(('thread', 'group'),)", 'object_name': 'ThreadToGroup', 'db_table': "'askbot_thread_groups'"},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Thread']"}),
+            'visibility': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'})
+        },
+        'askbot.vote': {
+            'Meta': {'unique_together': "(('user', 'voted_post'),)", 'object_name': 'Vote', 'db_table': "u'vote'"},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'votes'", 'to': "orm['auth.User']"}),
+            'vote': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'voted_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'voted_post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'votes'", 'to': "orm['askbot.Post']"})
+        },
+        'auth.authusergroups': {
+            'Meta': {'unique_together': "(('group', 'user'),)", 'object_name': 'AuthUserGroups', 'db_table': "'auth_user_groups'", 'managed': 'False'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'about': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'avatar_type': ('django.db.models.fields.CharField', [], {'default': "'n'", 'max_length': '1'}),
+            'bronze': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'consecutive_days_visit_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'country': ('django_countries.fields.CountryField', [], {'max_length': '2', 'blank': 'True'}),
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'date_of_birth': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'display_tag_filter_strategy': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'email_isvalid': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'email_key': ('django.db.models.fields.CharField', [], {'max_length': '32', 'null': 'True'}),
+            'email_signature': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'email_tag_filter_strategy': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'gold': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'gravatar': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ignored_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'interesting_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_fake': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'languages': ('django.db.models.fields.CharField', [], {'default': "'en'", 'max_length': '128'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'last_seen': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'location': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'new_response_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'questions_per_page': ('django.db.models.fields.SmallIntegerField', [], {'default': '10'}),
+            'real_name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'reputation': ('django.db.models.fields.PositiveIntegerField', [], {'default': '1'}),
+            'seen_response_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'show_country': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'show_marked_tags': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'silver': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'social_sharing_mode': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'status': ('django.db.models.fields.CharField', [], {'default': "'w'", 'max_length': '2'}),
+            'subscribed_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'twitter_access_token': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '256'}),
+            'twitter_handle': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '32'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'website': ('django.db.models.fields.URLField', [], {'max_length': '200', 'blank': 'True'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        }
+    }
+
+    complete_apps = ['askbot']
\ No newline at end of file
diff --git a/askbot/models/post.py b/askbot/models/post.py
index e5346046..47af2a42 100644
--- a/askbot/models/post.py
+++ b/askbot/models/post.py
@@ -377,7 +377,11 @@ class Post(models.Model):
 
     html = models.TextField(null=True)#html rendition of the latest revision
     text = models.TextField(null=True)#denormalized copy of latest revision
-    language_code = models.CharField(max_length=16, default=django_settings.LANGUAGE_CODE)
+    language_code = models.CharField(
+                                choices=django_settings.LANGUAGES,
+                                default=django_settings.LANGUAGE_CODE,
+                                max_length=16,
+                            )
 
     # Denormalised data
     summary = models.TextField(null=True)
diff --git a/askbot/models/question.py b/askbot/models/question.py
index 8304161f..a7871a2d 100644
--- a/askbot/models/question.py
+++ b/askbot/models/question.py
@@ -24,7 +24,8 @@ from askbot.models.tag import Tag, TagSynonym
 from askbot.models.tag import get_tags_by_names
 from askbot.models.tag import filter_accepted_tags, filter_suggested_tags
 from askbot.models.tag import separate_unused_tags
-from askbot.models.base import DraftContent, BaseQuerySetManager
+from askbot.models.base import BaseQuerySetManager
+from askbot.models.base import DraftContent
 from askbot.models.user import Group, PERSONAL_GROUP_NAME_PREFIX
 from askbot.models import signals
 from askbot import const
@@ -590,7 +591,11 @@ class Thread(models.Model):
     answer_count = models.PositiveIntegerField(default=0)
     last_activity_at = models.DateTimeField(default=datetime.datetime.now)
     last_activity_by = models.ForeignKey(User, related_name='unused_last_active_in_threads')
-    language_code = models.CharField(max_length=16, default=django_settings.LANGUAGE_CODE)
+    language_code = models.CharField(
+                            choices=django_settings.LANGUAGES,
+                            default=django_settings.LANGUAGE_CODE,
+                            max_length=16
+                        )
 
     #todo: these two are redundant (we used to have a "star" and "subscribe"
     #now merged into "followed")
@@ -1335,7 +1340,7 @@ class Thread(models.Model):
             try:
                 tag_synonym = TagSynonym.objects.get(
                                         source_tag_name=tag_name,
-                                        #language_code=self.language_code
+                                        language_code=self.language_code
                                     )
                 updated_tagnames.add(tag_synonym.target_tag_name)
                 tag_synonym.auto_rename_count += 1
diff --git a/askbot/models/tag.py b/askbot/models/tag.py
index 823d536d..65678d29 100644
--- a/askbot/models/tag.py
+++ b/askbot/models/tag.py
@@ -283,8 +283,11 @@ class Tag(models.Model):
 
     name = models.CharField(max_length=255)
     created_by = models.ForeignKey(User, related_name='created_tags')
-    language_code = models.CharField(max_length=16, default=django_settings.LANGUAGE_CODE)
-
+    language_code = models.CharField(
+                                choices=django_settings.LANGUAGES,
+                                default=django_settings.LANGUAGE_CODE,
+                                max_length=16,
+                            )
     suggested_by = models.ManyToManyField(
         User, related_name='suggested_tags',
         help_text = 'Works only for suggested tags for tag moderation'
@@ -338,6 +341,11 @@ class TagSynonym(models.Model):
     owned_by = models.ForeignKey(User, related_name='tag_synonyms')
     auto_rename_count = models.IntegerField(default=0)
     last_auto_rename_at = models.DateTimeField(auto_now=True)
+    language_code = models.CharField(
+                                choices=django_settings.LANGUAGES,
+                                default=django_settings.LANGUAGE_CODE,
+                                max_length=16,
+                            )
     
     class Meta:
         app_label = 'askbot'
diff --git a/askbot/utils/translation.py b/askbot/utils/translation.py
index 7e1231d3..7be7585b 100644
--- a/askbot/utils/translation.py
+++ b/askbot/utils/translation.py
@@ -1,3 +1,6 @@
+"""todo: move here all functions related to languages
+in other utils modules
+"""
 from django.conf import settings as django_settings
 from askbot.conf import settings as askbot_settings
 from django.utils import translation