Migrate to Django 1.6

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

diff --git a/forum/models/node.py b/forum/models/node.py
index 0ebcd21ccfc2b203888135ee53e5692f6ecd75d2..20ede477f2c95a826745b4a93dfec5bf87b2a00b 100644 (file)
--- a/forum/models/node.py
+++ b/forum/models/node.py
@@ -1,8 +1,11 @@
+# -*- coding: utf-8 -*-
+
 from base import *
 import re
 from tag import Tag
 
 import markdown
+from django.utils.encoding import smart_unicode
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from django.utils.html import strip_tags
@@ -39,15 +42,20 @@ class NodeContent(models.Model):
             return ''
 
     def as_markdown(self, *extensions):
-        return self._as_markdown(self.body, *extensions)
+        return self._as_markdown(smart_unicode(self.body), *extensions)
 
     @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:
-            return [name.strip() for name in self.tagnames.split(u' ') if name]
+            return [name.strip() for name in self.tagnames.split() if name]
         else:
             return []
 
@@ -144,7 +152,7 @@ class NodeQuerySet(CachedQuerySet):
 class NodeManager(CachedManager):
     use_for_related_fields = True
 
-    def get_query_set(self):
+    def get_queryset(self):
         qs = NodeQuerySet(self.model)
 
         # If the node is an answer, question or comment we filter the Node model by type
@@ -237,7 +245,7 @@ class Node(BaseModel, NodeContent):
     marked = models.BooleanField(default=False)
 
     comment_count = DenormalizedField("children", node_type="comment", canceled=False)
-    flag_count = DenormalizedField("flags")
+    flag_count = DenormalizedField("actions", action_type="flag", canceled=False)
 
     friendly_name = _("post")
 
@@ -249,7 +257,7 @@ 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()
@@ -309,7 +317,26 @@ class Node(BaseModel, NodeContent):
 
     @property
     def summary(self):
-        return strip_tags(self.html)[:SUMMARY_LENGTH]
+        content = strip_tags(self.html)
+
+        # Remove multiple spaces.
+        content = re.sub(' +',' ', content)
+
+        # Replace line breaks with a space, we don't need them at all.
+        content = content.replace("\n", ' ')
+
+        # Truncate and all an ellipsis if length greater than summary length.
+        content = (content[:SUMMARY_LENGTH] + '...') if len(content) > SUMMARY_LENGTH else content
+
+        return content
+
+    # Can be used to block subscription notifications for a specific node from a module
+    def _is_notifiable(self):
+        return True
+
+    @property
+    def is_notifiable(self):
+        return self._is_notifiable()
 
     @models.permalink
     def get_revisions_url(self):
@@ -346,7 +373,22 @@ class Node(BaseModel, NodeContent):
         self.body = self.rendered(revision.body)
 
         self.active_revision = revision
-        self.update_last_activity(user)
+
+        # Try getting the previous revision
+        try:
+            prev_revision = NodeRevision.objects.get(node=self, revision=revision.revision-1)
+
+            update_activity = True
+
+            # Do not update the activity if only the tags are changed
+            if prev_revision.title == revision.title and prev_revision.body == revision.body \
+            and prev_revision.tagnames != revision.tagnames and not settings.UPDATE_LATEST_ACTIVITY_ON_TAG_EDIT:
+                update_activity = False
+        except NodeRevision.DoesNotExist:
+            update_activity = True
+        finally:
+            if update_activity:
+                self.update_last_activity(user)
 
         self.save()
 
@@ -362,6 +404,18 @@ class Node(BaseModel, NodeContent):
 
         return active_users
 
+    def get_last_edited(self):
+        if not self.last_edited:
+            try:
+                le = self.actions.exclude(action_type__in=('voteup', 'votedown', 'flag'), canceled=True).order_by('-action_date')[0]
+                self.last_edited = le
+                self.save()
+            except:
+                pass
+
+        return self.last_edited
+
+
     def _list_changes_in_tags(self):
         dirty = self.get_dirty_fields()
 
@@ -369,10 +423,10 @@ 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),
@@ -424,6 +478,10 @@ 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()
 
@@ -450,7 +508,11 @@ 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:
+            if self.tagnames.strip():
+                self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))
+            else:
+                self.tags = []
 
     class Meta:
         app_label = 'forum'