Fixes the new line problems in the OSQA exporter.

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

diff --git a/forum/models/node.py b/forum/models/node.py
index bf05cb54beb0f24be0ec6d6daf6ee886c5f35aa4..43d12b323edb5d643f87ca1f790e5d236ecb92da 100644 (file)
--- a/forum/models/node.py
+++ b/forum/models/node.py
@@ -6,6 +6,7 @@ import markdown
 from django.utils.translation import ugettext as _
 from django.utils.safestring import mark_safe
 from django.utils.html import strip_tags
 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 utils import PickledObjectField
 
 from forum.utils.html import sanitize_html
 from utils import PickledObjectField
 


@@ -21,10 +22,20 @@ class NodeContent(models.Model):
 
     @property
     def html(self):
 
     @property
     def html(self):

-        return self.as_markdown()
+        return self.body
+
+    @classmethod
+    def _as_markdown(cls, content, *extensions):
+        try:
+            return mark_safe(sanitize_html(markdown.markdown(content, extensions=extensions)))
+        except Exception, e:
+            import traceback
+            logging.error("Caught exception %s in markdown parser rendering %s %s:\s %s" % (
+                str(e), cls.__name__, str(e), traceback.format_exc()))
+            return ''

 
     def as_markdown(self, *extensions):
 
     def as_markdown(self, *extensions):

-        return mark_safe(sanitize_html(markdown.markdown(self.body, extensions=extensions)))
+        return self._as_markdown(self.body, *extensions)

 
     @property
     def headline(self):
 
     @property
     def headline(self):


@@ -58,7 +69,7 @@ class NodeMetaClass(BaseMetaClass):
     @classmethod
     def setup_relations(cls):
         for node_cls in NodeMetaClass.types.values():
     @classmethod
     def setup_relations(cls):
         for node_cls in NodeMetaClass.types.values():

-            NodeMetaClass.setup_relation(node_cls)        
+            NodeMetaClass.setup_relation(node_cls)

 
     @classmethod
     def setup_relation(cls, node_cls):
 
     @classmethod
     def setup_relation(cls, node_cls):


@@ -68,13 +79,10 @@ class NodeMetaClass(BaseMetaClass):
             return node_cls.objects.filter(parent=self)
 
         def parent(self):
             return node_cls.objects.filter(parent=self)
 
         def parent(self):

-            p = self.__dict__.get('_%s_cache' % name, None)
+            if (self.parent is not None) and self.parent.node_type == name:
+                return self.parent.leaf

 
 

-            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
-
-            return p
+            return None

 
         Node.add_to_class(name + 's', property(children))
         Node.add_to_class(name, property(parent))
 
         Node.add_to_class(name + 's', property(children))
         Node.add_to_class(name, property(parent))


@@ -91,12 +99,44 @@ class NodeQuerySet(CachedQuerySet):
             return super(NodeQuerySet, self).obj_from_datadict(datadict)
 
     def get(self, *args, **kwargs):
             return super(NodeQuerySet, self).obj_from_datadict(datadict)
 
     def get(self, *args, **kwargs):

-        return super(NodeQuerySet, self).get(*args, **kwargs).leaf
+        node = super(NodeQuerySet, self).get(*args, **kwargs).leaf
+
+        if not isinstance(node, self.model):
+            raise self.model.DoesNotExist()
+
+        return node
+
+    def any_state(self, *args):
+        filter = None
+
+        for s in args:
+            s_filter = models.Q(state_string__contains="(%s)" % s)
+            filter = filter and (filter | s_filter) or s_filter
+
+        if filter:
+            return self.filter(filter)
+        else:
+            return self
+
+    def all_states(self, *args):
+        filter = None
+
+        for s in args:
+            s_filter = models.Q(state_string__contains="(%s)" % s)
+            filter = filter and (filter & s_filter) or s_filter
+
+        if filter:
+            return self.filter(filter)
+        else:
+            return self

 
     def filter_state(self, **kwargs):
         apply_bool = lambda q, b: b and q or ~q
         return self.filter(*[apply_bool(models.Q(state_string__contains="(%s)" % s), b) for s, b in kwargs.items()])
 
 
     def filter_state(self, **kwargs):
         apply_bool = lambda q, b: b and q or ~q
         return self.filter(*[apply_bool(models.Q(state_string__contains="(%s)" % s), b) for s, b in kwargs.items()])
 

+    def children_count(self, child_type):
+        return NodeMetaClass.types[child_type].objects.filter_state(deleted=False).filter(parent__in=self).count()
+

 
 class NodeManager(CachedManager):
     use_for_related_fields = True
 
 class NodeManager(CachedManager):
     use_for_related_fields = True


@@ -167,7 +207,6 @@ class NodeStateQuery(object):
         return "(%s)" % name in node.state_string
 
 
         return "(%s)" % name in node.state_string
 
 

-

 class Node(BaseModel, NodeContent):
     __metaclass__ = NodeMetaClass
 
 class Node(BaseModel, NodeContent):
     __metaclass__ = NodeMetaClass
 


@@ -206,7 +245,7 @@ class Node(BaseModel, NodeContent):
     @classmethod
     def _generate_cache_key(cls, key, group="node"):
         return super(Node, cls)._generate_cache_key(key, group)
     @classmethod
     def _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()
     @classmethod
     def get_type(cls):
         return cls.__name__.lower()


@@ -242,11 +281,22 @@ class Node(BaseModel, NodeContent):
 
         return nis
 
 
         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()]
+

     @property
     def deleted(self):
         return self.nis.deleted
 
     @property
     def deleted(self):
         return self.nis.deleted
 

-    @property    
+    @property

     def absolute_parent(self):
         if not self.abs_parent_id:
             return self
     def absolute_parent(self):
         if not self.abs_parent_id:
             return self


@@ -261,12 +311,15 @@ class Node(BaseModel, NodeContent):
     def get_revisions_url(self):
         return ('revisions', (), {'id': self.id})
 
     def get_revisions_url(self):
         return ('revisions', (), {'id': self.id})
 

-    def update_last_activity(self, user, save=False):
+    def update_last_activity(self, user, save=False, time=None):
+        if not time:
+            time = datetime.datetime.now()
+

         self.last_activity_by = user
         self.last_activity_by = user

-        self.last_activity_at = datetime.datetime.now()
+        self.last_activity_at = time

 
         if self.parent:
 
         if self.parent:

-            self.parent.update_last_activity(user, save=True)
+            self.parent.update_last_activity(user, save=True, time=time)

 
         if save:
             self.save()
 
         if save:
             self.save()


@@ -279,13 +332,13 @@ 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)
     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)
+        self.activate_revision(user, revision, extensions=['urlize'])

         return revision
 
         return revision
 

-    def activate_revision(self, user, revision):
+    def activate_revision(self, user, revision, extensions=['urlize']):

         self.title = revision.title
         self.tagnames = revision.tagnames
         self.title = revision.title
         self.tagnames = revision.tagnames

-        self.body = revision.body
+        self.body = auto_user_link(self, self._as_markdown(revision.body, *extensions))

 
         self.active_revision = revision
         self.update_last_activity(user)
 
         self.active_revision = revision
         self.update_last_activity(user)


@@ -305,10 +358,10 @@ class Node(BaseModel, NodeContent):
             new_tags = set(name for name in self.tagnames.split(u' ') if name)
 
             return dict(
             new_tags = set(name for name in self.tagnames.split(u' ') if name)
 
             return dict(

-                current=list(new_tags),
-                added=list(new_tags - old_tags),
-                removed=list(old_tags - new_tags)
-            )
+                    current=list(new_tags),
+                    added=list(new_tags - old_tags),
+                    removed=list(old_tags - new_tags)
+                    )

 
     def _last_active_user(self):
         return self.last_edited and self.last_edited.by or self.author
 
     def _last_active_user(self):
         return self.last_edited and self.last_edited.by or self.author


@@ -324,14 +377,14 @@ class Node(BaseModel, NodeContent):
                     tag = Tag.objects.create(name=name, created_by=self._last_active_user())
 
                 if not self.nis.deleted:
                     tag = Tag.objects.create(name=name, created_by=self._last_active_user())
 
                 if not self.nis.deleted:

-                    tag.used_count = models.F('used_count') + 1
+                    tag.add_to_usage_count(1)

                     tag.save()
 
             if not self.nis.deleted:
                 for name in tag_changes['removed']:
                     try:
                         tag = Tag.objects.get(name=name)
                     tag.save()
 
             if not self.nis.deleted:
                 for name in tag_changes['removed']:
                     try:
                         tag = Tag.objects.get(name=name)

-                        tag.used_count = models.F('used_count') - 1
+                        tag.add_to_usage_count(-1)

                         tag.save()
                     except:
                         pass
                         tag.save()
                     except:
                         pass


@@ -346,26 +399,41 @@ class Node(BaseModel, NodeContent):
 
         if action:
             for tag in self.tags.all():
 
         if action:
             for tag in self.tags.all():

-                tag.used_count = models.F('used_count') - 1
+                tag.add_to_usage_count(-1)

                 tag.save()
         else:
             for tag in Tag.objects.filter(name__in=self.tagname_list()):
                 tag.save()
         else:
             for tag in Tag.objects.filter(name__in=self.tagname_list()):

-                tag.used_count = models.F('used_count') + 1
+                tag.add_to_usage_count(1)

                 tag.save()
 
                 tag.save()
 

+    def delete(self, *args, **kwargs):
+        self.active_revision = None
+        self.save()
+
+        for n in self.children.all():
+            n.delete()
+
+        for a in self.actions.all():
+            a.cancel()
+
+        super(Node, self).delete(*args, **kwargs)
+

     def save(self, *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)
         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.update_last_activity(self.author)
+            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
 
         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)
         super(Node, self).save(*args, **kwargs)

+        

         if tags_changed: self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))
 
     class Meta:
         if tags_changed: self.tags = list(Tag.objects.filter(name__in=self.tagname_list()))
 
     class Meta: