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):
title = models.CharField(max_length=300)
@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_raw(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 ''
+
+ # Replace \ with \\ to preserve backslashes during markdown processing
+ @classmethod
+ def _as_markdown(cls, content, *extensions):
+ return cls._as_markdown_raw(content.replace('\\','\\\\'), *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):
- 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]
+ return [name.strip() for name in self.tagnames.split() if name]
else:
return []
@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):
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))
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 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
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]
return "(%s)" % name in node.state_string
-
class Node(BaseModel, NodeContent):
__metaclass__ = NodeMetaClass
tags = models.ManyToManyField('Tag', related_name='%(class)ss')
active_revision = models.OneToOneField('NodeRevision', related_name='active', null=True)
+ extra = PickledObjectField()
extra_ref = models.ForeignKey('Node', null=True)
extra_count = models.IntegerField(default=0)
return self.headline
@classmethod
- def cache_key(cls, pk):
- return '%s:node:%s' % (settings.APP_URL, pk)
-
+ 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()
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
+ @property
def absolute_parent(self):
if not self.abs_parent_id:
return self
@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):
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_at = datetime.datetime.now()
+ self.last_activity_at = time
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()
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)
+
+ # 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()
+ 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 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()
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),
- 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
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:
- 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.used_count = models.F('used_count') - 1
+ tag.add_to_usage_count(-1)
tag.save()
except:
pass
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.used_count = models.F('used_count') + 1
+ tag.add_to_usage_count(1)
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()
+
+ 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):
- 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.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
-
+
+ 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'
projects / osqa.git / blobdiff