Add command to build index

docs/install.rst

@@ -85,4 +85,5 @@ On upgrade to version 0.6 you should run :program:`./manage.py syncdb` and
 in installation section.
 
 On upgrade to version 0.7 you should run :program:`./manage.py syncdb` to
-setup new tables.
+setup new tables and :program:`./manage.py rebuild_index` to build index for
+fulltext search.

docs/management.rst

@@ -21,6 +21,13 @@ The ./manage.py is extended with following commands:
     Reloads translations from disk (eg. in case you did some updates in Git
     repository).
 
+.. option:: rebuild_index
+
+    Rebuilds index for fulltext search. This might be lengthy operation if you
+    have huge set of translation units.
+
+    You can use ``--clean`` to remove all words from database prior updating.
+
 .. option:: setupgroups
 
     Configures default groups and (if called with ``--move``) assigns all users

ftsearch/management/commands/rebuild_index.py

+from django.core.management.base import BaseCommand, CommandError
+from trans.models import Unit
+from ftsearch.models import WordLocation, Word
+from optparse import make_option
+
+class Command(BaseCommand):
+    help = 'updates index for fulltext search'
+    option_list = BaseCommand.option_list + (
+        make_option('--clean',
+            action='store_true',
+            dest='clean',
+            default=False,
+            help='removes also all words from database'),
+        )
+
+    def handle(self, *args, **options):
+        if options['clean']:
+            Word.objects.all().delete()
+        WordLocation.objects.all().delete()
+        units = Unit.objects.all()
+        for unit in units:
+            Unit.objects.add_to_index(unit)