Merge cacheimp -> master

[osqa.git] / forum / models / node.py

diff --git a/forum/models/node.py b/forum/models/node.py
index 43d12b323edb5d643f87ca1f790e5d236ecb92da..afb04cf50ce91fccfbb2e0e157fb01849d890d82 100644 (file)
--- a/forum/models/node.py
+++ b/forum/models/node.py
@@ -6,8 +6,9 @@ import markdown
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from django.utils.html import strip_tags
-from forum.utils.userlinking import auto_user_link
 from forum.utils.html import sanitize_html
+from forum.utils.userlinking import auto_user_link
+from forum.settings import SUMMARY_LENGTH
 from utils import PickledObjectField
 
 class NodeContent(models.Model):
@@ -24,6 +25,9 @@ class NodeContent(models.Model):
     def html(self):
         return self.body
 
+    def rendered(self, content):
+        return auto_user_link(self, self._as_markdown(content, *['auto_linker']))
+
     @classmethod
     def _as_markdown(cls, content, *extensions):
         try:
@@ -39,11 +43,15 @@ class NodeContent(models.Model):
 
     @property
     def headline(self):
-        return self.title
+        title = self.title
+
+        # Replaces multiple spaces with single ones.
+        title = re.sub(' +',' ', title)
+
+        return title
 
     def tagname_list(self):
         if self.tagnames:
-            t = [name.strip() for name in self.tagnames.split(u' ') if name]
             return [name.strip() for name in self.tagnames.split(u' ') if name]
         else:
             return []
@@ -144,10 +152,11 @@ class NodeManager(CachedManager):
     def get_query_set(self):
         qs = NodeQuerySet(self.model)
 
+        # If the node is an answer, question or comment we filter the Node model by type
         if self.model is not Node:
-            return qs.filter(node_type=self.model.get_type())
-        else:
-            return qs
+            qs = qs.filter(node_type=self.model.get_type())
+
+        return qs
 
     def get_for_types(self, types, *args, **kwargs):
         kwargs['node_type__in'] = [t.get_type() for t in types]
@@ -305,7 +314,15 @@ class Node(BaseModel, NodeContent):
 
     @property
     def summary(self):
-        return strip_tags(self.html)[:300]
+        content = strip_tags(self.html)[:SUMMARY_LENGTH]
+
+        # Remove multiple spaces.
+        content = re.sub(' +',' ', content)
+
+        # Remove line breaks. We don't need them at all.
+        content = content.replace("\n", '')
+
+        return content
 
     @models.permalink
     def get_revisions_url(self):
@@ -332,19 +349,32 @@ class Node(BaseModel, NodeContent):
     def create_revision(self, user, **kwargs):
         number = self.revisions.aggregate(last=models.Max('revision'))['last'] + 1
         revision = self._create_revision(user, number, **kwargs)
-        self.activate_revision(user, revision, extensions=['urlize'])
+        self.activate_revision(user, revision)
         return revision
 
-    def activate_revision(self, user, revision, extensions=['urlize']):
+    def activate_revision(self, user, revision):
         self.title = revision.title
         self.tagnames = revision.tagnames
-        self.body = auto_user_link(self, self._as_markdown(revision.body, *extensions))
+
+        self.body = self.rendered(revision.body)
 
         self.active_revision = revision
         self.update_last_activity(user)
 
         self.save()
 
+    def get_active_users(self, active_users = None):
+        if not active_users:
+            active_users = set()
+
+        active_users.add(self.author)
+
+        for node in self.children.all():
+            if not node.nis.deleted:
+                node.get_active_users(active_users)
+
+        return active_users
+
     def _list_changes_in_tags(self):
         dirty = self.get_dirty_fields()
 
@@ -373,7 +403,7 @@ class Node(BaseModel, NodeContent):
             for name in tag_changes['added']:
                 try:
                     tag = Tag.objects.get(name=name)
-                except:
+                except Tag.DoesNotExist:
                     tag = Tag.objects.create(name=name, created_by=self._last_active_user())
 
                 if not self.nis.deleted:
@@ -407,6 +437,10 @@ class Node(BaseModel, NodeContent):
                 tag.save()
 
     def delete(self, *args, **kwargs):
+        for tag in self.tags.all():
+            tag.add_to_usage_count(-1)
+            tag.save()
+
         self.active_revision = None
         self.save()
 
@@ -433,8 +467,8 @@ class Node(BaseModel, NodeContent):
         tags_changed = self._process_changes_in_tags()
         
         super(Node, self).save(*args, **kwargs)
-        
-        if tags_changed: self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))
+        if tags_changed:
+            self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))
 
     class Meta:
         app_label = 'forum'