Some unicode fixes.

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

diff --git a/forum/models/node.py b/forum/models/node.py
index f62a8e078b9c2fc17b8a80d6a39cc9617df6c9ff..bf82708cdf604644ec0c7a2b5e76a71708d0d9bb 100644 (file)
--- a/forum/models/node.py
+++ b/forum/models/node.py
@@ -7,6 +7,8 @@ from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from django.utils.html import strip_tags
 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):
@@ -21,7 +23,10 @@ class NodeContent(models.Model):
 
     @property
     def html(self):
-        return self.as_markdown()
+        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):
@@ -38,11 +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 []
@@ -78,13 +87,10 @@ class NodeMetaClass(BaseMetaClass):
             return node_cls.objects.filter(parent=self)
 
         def parent(self):
-            p = self.__dict__.get('_%s_cache' % name, None)
-
-            if p is None and (self.parent is not None) and self.parent.node_type == name:
-                p = self.parent.leaf
-                self.__dict__['_%s_cache' % name] = p
+            if (self.parent is not None) and self.parent.node_type == name:
+                return self.parent.leaf
 
-            return p
+            return None
 
         Node.add_to_class(name + 's', property(children))
         Node.add_to_class(name, property(parent))
@@ -146,10 +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]
@@ -247,7 +254,7 @@ class Node(BaseModel, NodeContent):
     @classmethod
     def _generate_cache_key(cls, key, group="node"):
         return super(Node, cls)._generate_cache_key(key, group)
-
+        
     @classmethod
     def get_type(cls):
         return cls.__name__.lower()
@@ -283,6 +290,13 @@ class Node(BaseModel, NodeContent):
 
         return nis
 
+    @property
+    def last_activity(self):
+        try:
+            return self.actions.order_by('-action_date')[0].action_date
+        except:
+            return self.last_seen
+
     @property
     def state_list(self):
         return [s.state_type for s in self.states.all()]
@@ -300,7 +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):
@@ -333,13 +355,26 @@ class Node(BaseModel, NodeContent):
     def activate_revision(self, user, revision):
         self.title = revision.title
         self.tagnames = revision.tagnames
-        self.body = revision.body
+
+        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()
 
@@ -347,10 +382,10 @@ class Node(BaseModel, NodeContent):
             return None
         else:
             if self._original_state['tagnames']:
-                old_tags = set(name for name in self._original_state['tagnames'].split(u' '))
+                old_tags = set(self._original_state['tagnames'].split())
             else:
                 old_tags = set()
-            new_tags = set(name for name in self.tagnames.split(u' ') if name)
+            new_tags = set(self.tagnames.split())
 
             return dict(
                     current=list(new_tags),
@@ -368,7 +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:
@@ -402,6 +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()
 
@@ -414,20 +453,22 @@ class Node(BaseModel, NodeContent):
         super(Node, self).delete(*args, **kwargs)
 
     def save(self, *args, **kwargs):
-        tags_changed = self._process_changes_in_tags()
-
         if not self.id:
             self.node_type = self.get_type()
             super(BaseModel, self).save(*args, **kwargs)
             self.active_revision = self._create_revision(self.author, 1, title=self.title, tagnames=self.tagnames,
                                                          body=self.body)
+            self.activate_revision(self.author, self.active_revision)
             self.update_last_activity(self.author, time=self.added_at)
 
         if self.parent_id and not self.abs_parent_id:
             self.abs_parent = self.parent.absolute_parent
-
+        
+        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'