]> git.openstreetmap.org Git - osqa.git/blobdiff - forum/models/node.py
Some general UI enhancements.
[osqa.git] / forum / models / node.py
index 19973e9e3c4744c20e3ce490c72a1d753e8e44ba..6f4e12b0429823bb4abad4d6243e18356e882c33 100644 (file)
@@ -1,4 +1,3 @@
-from forum.akismet import *\r
 from base import *\r
 from tag import Tag\r
 \r
@@ -31,12 +30,13 @@ class NodeContent(models.Model):
 \r
     def tagname_list(self):\r
         if self.tagnames:\r
-            return [name for name in self.tagnames.split(u' ')]\r
+            t = [name.strip() for name in self.tagnames.split(u' ') if name]\r
+            return [name.strip() for name in self.tagnames.split(u' ') if name]\r
         else:\r
             return []\r
 \r
     def tagname_meta_generator(self):\r
-        return u','.join([unicode(tag) for tag in self.tagname_list()])\r
+        return u','.join([tag for tag in self.tagname_list()])\r
 \r
     class Meta:\r
         abstract = True\r
@@ -78,25 +78,27 @@ class NodeMetaClass(BaseMetaClass):
         Node.add_to_class(name, property(parent))\r
 \r
 \r
+class NodeQuerySet(CachedQuerySet):\r
+    def get(self, *args, **kwargs):\r
+        node = super(NodeQuerySet, self).get(*args, **kwargs)\r
+        cls = NodeMetaClass.types.get(node.node_type, None)\r
+\r
+        if cls and (node.__class__ is not cls):\r
+            return node.leaf\r
+        return node\r
+\r
+\r
 class NodeManager(CachedManager):\r
     use_for_related_fields = True\r
 \r
     def get_query_set(self):\r
-        qs = super(NodeManager, self).get_query_set()\r
+        qs = NodeQuerySet(self.model)\r
 \r
         if self.model is not Node:\r
             return qs.filter(node_type=self.model.get_type())\r
         else:\r
             return qs\r
 \r
-    def get(self, *args, **kwargs):\r
-        node = super(NodeManager, self).get(*args, **kwargs)\r
-        cls = NodeMetaClass.types.get(node.node_type, None)\r
-\r
-        if cls and node.__class__ is not cls:\r
-            return node.leaf\r
-        return node\r
-\r
     def get_for_types(self, types, *args, **kwargs):\r
         kwargs['node_type__in'] = [t.get_type() for t in types]\r
         return self.get(*args, **kwargs)\r
@@ -201,45 +203,70 @@ class Node(BaseModel, NodeContent):
 \r
         self.save()\r
 \r
-    def get_tag_list_if_changed(self):\r
+    def _list_changes_in_tags(self):\r
         dirty = self.get_dirty_fields()\r
-        active_user = self.last_edited and self.last_edited.by or self.author\r
-\r
-        if 'tagnames' in dirty:\r
-            new_tags = self.tagname_list()\r
-            old_tags = dirty['tagnames']\r
 \r
-            if old_tags is None or not old_tags:\r
-                old_tags = []\r
+        if not 'tagnames' in dirty:\r
+            return None\r
+        else:\r
+            if dirty['tagnames']:\r
+                old_tags = set(name for name in dirty['tagnames'].split(u' '))\r
             else:\r
-                old_tags = [name for name in dirty['tagnames'].split(u' ')]\r
+                old_tags = set()\r
+            new_tags = set(name for name in self.tagnames.split(u' ') if name)\r
 \r
-            tag_list = []\r
+            return dict(\r
+                current=list(new_tags),\r
+                added=list(new_tags - old_tags),\r
+                removed=list(old_tags - new_tags)\r
+            )\r
 \r
-            for name in new_tags:\r
+    def _last_active_user(self):\r
+        return self.last_edited and self.last_edited.by or self.author\r
+\r
+    def _process_changes_in_tags(self):\r
+        tag_changes = self._list_changes_in_tags()\r
+\r
+        if tag_changes is not None:\r
+            for name in tag_changes['added']:\r
                 try:\r
                     tag = Tag.objects.get(name=name)\r
                 except:\r
-                    tag = Tag.objects.create(name=name, created_by=active_user or self.author)\r
+                    tag = Tag.objects.create(name=name, created_by=self._last_active_user())\r
 \r
-                tag_list.append(tag)\r
-\r
-                if not name in old_tags:\r
-                    tag.used_count = tag.used_count + 1\r
-                    if tag.deleted:\r
-                        tag.unmark_deleted()\r
+                if not self.deleted:\r
+                    tag.used_count = models.F('used_count') + 1\r
                     tag.save()\r
 \r
-            for name in [n for n in old_tags if not n in new_tags]:\r
-                tag = Tag.objects.get(name=name)\r
-                tag.used_count = tag.used_count - 1\r
-                if tag.used_count == 0:\r
-                    tag.mark_deleted(active_user)\r
-                tag.save()\r
+            if not self.deleted:\r
+                for name in tag_changes['removed']:\r
+                    try:\r
+                        tag = Tag.objects.get(name=name)\r
+                        tag.used_count = models.F('used_count') - 1\r
+                        tag.save()\r
+                        if tag.used_count == 0:\r
+                            tag.mark_deleted(self._last_active_user())\r
+                    except:\r
+                        pass\r
+\r
+            return True\r
+\r
+        return False\r
 \r
-            return tag_list\r
+    def mark_deleted(self, action):\r
+        self.deleted = action\r
+        self.save()\r
 \r
-        return None\r
+        if action:\r
+            for tag in self.tags.all():\r
+                tag.used_count = models.F('used_count') - 1\r
+                tag.save()\r
+                if tag.used_count == 0:\r
+                    tag.mark_deleted(self._last_active_user())\r
+        else:\r
+            for tag in Tag.objects.filter(name__in=self.tagname_list()):\r
+                tag.used_count = models.F('used_count') + 1\r
+                tag.save()\r
 \r
     def save(self, *args, **kwargs):\r
         if not self.id:\r
@@ -250,18 +277,11 @@ class Node(BaseModel, NodeContent):
 \r
         if self.parent_id and not self.abs_parent_id:\r
             self.abs_parent = self.parent.absolute_parent\r
-        \r
-        tags = self.get_tag_list_if_changed()\r
+\r
+        tags_changed = self._process_changes_in_tags()\r
+\r
         super(Node, self).save(*args, **kwargs)\r
-        if tags is not None: self.tags = tags\r
-\r
-    @staticmethod\r
-    def isSpam(comment, data):\r
-        if not settings.WORDPRESS_API_KEY:\r
-            return False\r
-            \r
-        api = Akismet(settings.WORDPRESS_API_KEY, settings.APP_URL)\r
-        return api.comment_check(comment, data)\r
+        if tags_changed: self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))\r
 \r
     class Meta:\r
         app_label = 'forum'\r