blob: 9d274701a4466d76f898d2da73b0af1fdd840d84 [file] [log] [blame]
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
from datetime import datetime
import jinja2
import pymongo
from pymongo.errors import DuplicateKeyError
from pylons import tmpl_context as c, app_globals as g
from ming import schema
from ming.orm.base import session
from ming.orm.property import (FieldProperty, RelationProperty,
ForeignIdProperty)
from ming.utils import LazyProperty
from allura.lib import helpers as h
from allura.lib import security
from allura.lib.security import require_access, has_access
from allura.lib import utils
from allura.model.notification import Notification, Mailbox
from .artifact import Artifact, ArtifactReference, VersionedArtifact, Snapshot, Message, Feed
from .attachments import BaseAttachment
from .auth import User, ProjectRole
from .timeline import ActivityObject
from .types import MarkdownCache
log = logging.getLogger(__name__)
class Discussion(Artifact, ActivityObject):
class __mongometa__:
name = 'discussion'
type_s = 'Discussion'
parent_id = FieldProperty(schema.Deprecated)
shortname = FieldProperty(str)
name = FieldProperty(str)
description = FieldProperty(str, if_missing='')
description_cache = FieldProperty(MarkdownCache)
num_topics = FieldProperty(int, if_missing=0)
num_posts = FieldProperty(int, if_missing=0)
subscriptions = FieldProperty({str: bool})
threads = RelationProperty('Thread', via='discussion_id')
posts = RelationProperty('Post', via='discussion_id')
def __json__(self):
return dict(
_id=str(self._id),
shortname=self.shortname,
name=self.name,
description=self.description,
threads=[t.__json__() for t in self.thread_class().query.find(
dict(discussion_id=self._id))]
)
@property
def activity_name(self):
return 'discussion %s' % self.name
@classmethod
def thread_class(cls):
return cls.threads.related
@classmethod
def post_class(cls):
return cls.posts.related
@classmethod
def attachment_class(cls):
return DiscussionAttachment
def update_stats(self):
self.num_topics = self.thread_class().query.find(
dict(discussion_id=self._id)).count()
self.num_posts = self.post_class().query.find(
dict(discussion_id=self._id, status='ok')).count()
@LazyProperty
def last_post(self):
q = self.post_class().query.find(dict(
discussion_id=self._id,
status='ok'
))\
.sort('timestamp', pymongo.DESCENDING)\
.limit(1)
return q.first()
def url(self):
return self.app.url + '_discuss/'
def shorthand_id(self):
return self.shortname
def index(self):
result = Artifact.index(self)
result.update(
title=self.name,
name_s=self.name,
text=self.description)
return result
def subscription(self):
return self.subscriptions.get(str(c.user._id))
def delete(self):
# Delete all the threads, posts, and artifacts
self.thread_class().query.remove(dict(discussion_id=self._id))
self.post_class().query.remove(dict(discussion_id=self._id))
self.attachment_class().remove(dict(discussion_id=self._id))
super(Discussion, self).delete()
def find_posts(self, **kw):
q = dict(kw, discussion_id=self._id)
return self.post_class().query.find(q)
class Thread(Artifact, ActivityObject):
class __mongometa__:
name = 'thread'
indexes = [
('artifact_id',),
('ref_id',),
(('app_config_id', pymongo.ASCENDING),
('last_post_date', pymongo.DESCENDING),
('mod_date', pymongo.DESCENDING)),
('discussion_id',),
]
type_s = 'Thread'
_id = FieldProperty(str, if_missing=lambda: h.nonce(8))
discussion_id = ForeignIdProperty(Discussion)
ref_id = ForeignIdProperty('ArtifactReference')
subject = FieldProperty(str, if_missing='')
num_replies = FieldProperty(int, if_missing=0)
num_views = FieldProperty(int, if_missing=0)
subscriptions = FieldProperty({str: bool})
first_post_id = ForeignIdProperty('Post')
last_post_date = FieldProperty(datetime, if_missing=datetime(1970, 1, 1))
artifact_reference = FieldProperty(schema.Deprecated)
artifact_id = FieldProperty(schema.Deprecated)
discussion = RelationProperty(Discussion)
posts = RelationProperty('Post', via='thread_id')
first_post = RelationProperty('Post', via='first_post_id')
ref = RelationProperty('ArtifactReference')
def __json__(self, limit=None, page=None):
return dict(
_id=self._id,
discussion_id=str(self.discussion_id),
subject=self.subject,
posts=[dict(slug=p.slug,
text=p.text,
subject=p.subject,
author=p.author().username,
timestamp=p.timestamp,
attachments=[dict(bytes=attach.length,
url=h.absurl(attach.url())) for attach in p.attachments])
for p in self.query_posts(status='ok', style='chronological', limit=limit, page=page)
]
)
@property
def activity_name(self):
return 'thread %s' % self.subject
def parent_security_context(self):
return self.discussion
@classmethod
def new(cls, **props):
'''Creates a new Thread instance, ensuring a unique _id.'''
for i in range(5):
try:
thread = cls(**props)
session(thread).flush(thread)
return thread
except DuplicateKeyError as err:
log.warning(
'Got DuplicateKeyError: attempt #%s, trying again. %s', i, err)
if i == 4:
raise
session(thread).expunge(thread)
continue
@classmethod
def discussion_class(cls):
return cls.discussion.related
@classmethod
def post_class(cls):
return cls.posts.related
@classmethod
def attachment_class(cls):
return DiscussionAttachment
@property
def artifact(self):
if self.ref is None:
return self.discussion
return self.ref.artifact
# Use wisely - there's .num_replies also
@property
def post_count(self):
return Post.query.find(dict(
discussion_id=self.discussion_id,
thread_id=self._id,
status={'$in': ['ok', 'pending']})).count()
def primary(self):
if self.ref is None:
return self
return self.ref.artifact
def add_post(self, **kw):
"""Helper function to avoid code duplication."""
p = self.post(**kw)
p.commit(update_stats=False)
self.num_replies += 1
if not self.first_post:
self.first_post_id = p._id
link = None
if self.app.tool_label.lower() == 'tickets':
link = p.url_paginated()
if self.ref:
Feed.post(self.primary(), title=p.subject,
description=p.text, link=link)
return p
def is_spam(self, post):
if c.user in c.project.users_with_role('Admin', 'Developer'):
return False
else:
return g.spam_checker.check(post.text, artifact=post, user=c.user)
def post(self, text, message_id=None, parent_id=None,
timestamp=None, ignore_security=False, is_meta=False, **kw):
if not ignore_security:
require_access(self, 'post')
if self.ref_id and self.artifact:
self.artifact.subscribe()
if message_id is None:
message_id = h.gen_message_id()
parent = parent_id and self.post_class().query.get(_id=parent_id)
slug, full_slug = self.post_class().make_slugs(parent, timestamp)
kwargs = dict(
discussion_id=self.discussion_id,
full_slug=full_slug,
slug=slug,
thread_id=self._id,
parent_id=parent_id,
text=text,
status='pending',
is_meta=is_meta)
if timestamp is not None:
kwargs['timestamp'] = timestamp
if message_id is not None:
kwargs['_id'] = message_id
post = self.post_class()(**kwargs)
if ignore_security or not self.is_spam(post) and has_access(self, 'unmoderated_post')():
log.info('Auto-approving message from %s', c.user.username)
file_info = kw.get('file_info', None)
post.approve(file_info, notify=kw.get('notify', True))
else:
self.notify_moderators(post)
return post
def notify_moderators(self, post):
''' Notify moderators that a post needs approval [#2963] '''
artifact = self.artifact or self
subject = '[%s:%s] Moderation action required' % (
c.project.shortname, c.app.config.options.mount_point)
author = post.author()
url = self.discussion_class().query.get(_id=self.discussion_id).url()
text = ('The following submission requires approval at %s before '
'it can be approved for posting:\n\n%s'
% (h.absurl(url + 'moderate'), post.text))
n = Notification(
ref_id=artifact.index_id(),
topic='message',
link=artifact.url(),
_id=artifact.url() + post._id,
from_address=str(author._id) if author != User.anonymous()
else None,
reply_to_address=u'noreply@in.sf.net',
subject=subject,
text=text,
in_reply_to=post.parent_id,
author_id=author._id,
pubdate=datetime.utcnow())
users = self.app_config.project.users()
for u in users:
if (has_access(self, 'moderate', u)
and Mailbox.subscribed(user_id=u._id,
app_config_id=post.app_config_id)):
n.send_direct(str(u._id))
def update_stats(self):
self.num_replies = self.post_class().query.find(
dict(thread_id=self._id, status='ok')).count() - 1
@property
def last_post(self):
q = self.post_class().query.find(dict(
thread_id=self._id)).sort('timestamp', pymongo.DESCENDING)
return q.first()
def create_post_threads(self, posts):
result = []
post_index = {}
for p in sorted(posts, key=lambda p: p.full_slug):
pi = dict(post=p, children=[])
post_index[p._id] = pi
if p.parent_id in post_index:
post_index[p.parent_id]['children'].append(pi)
else:
result.append(pi)
return result
def query_posts(self, page=None, limit=None,
timestamp=None, style='threaded', status=None):
if timestamp:
terms = dict(discussion_id=self.discussion_id, thread_id=self._id,
status={'$in': ['ok', 'pending']}, timestamp=timestamp)
else:
terms = dict(discussion_id=self.discussion_id, thread_id=self._id,
status={'$in': ['ok', 'pending']})
if status:
terms['status'] = status
q = self.post_class().query.find(terms)
if style == 'threaded':
q = q.sort('full_slug')
else:
q = q.sort('timestamp')
if limit is not None:
limit = int(limit)
if page is not None:
q = q.skip(page * limit)
q = q.limit(limit)
return q
def find_posts(self, page=None, limit=None, timestamp=None,
style='threaded'):
return self.query_posts(page=page, limit=limit,
timestamp=timestamp, style=style).all()
def url(self):
# Can't use self.discussion because it might change during the req
discussion = self.discussion_class().query.get(_id=self.discussion_id)
return discussion.url() + 'thread/' + str(self._id) + '/'
def shorthand_id(self):
return self._id
def index(self):
result = Artifact.index(self)
result.update(
title=self.subject or '(no subject)',
name_s=self.subject,
views_i=self.num_views,
text=self.subject)
return result
def _get_subscription(self):
return self.subscriptions.get(str(c.user._id))
def _set_subscription(self, value):
if value:
self.subscriptions[str(c.user._id)] = True
else:
self.subscriptions.pop(str(c.user._id), None)
subscription = property(_get_subscription, _set_subscription)
def delete(self):
for p in self.post_class().query.find(dict(thread_id=self._id)):
p.delete()
self.attachment_class().remove(dict(thread_id=self._id))
super(Thread, self).delete()
def spam(self):
"""Mark this thread as spam."""
for p in self.post_class().query.find(dict(thread_id=self._id)):
p.spam()
class PostHistory(Snapshot):
class __mongometa__:
name = 'post_history'
artifact_id = ForeignIdProperty('Post')
@classmethod
def post_class(cls):
return cls.artifact_id.related
def original(self):
return self.post_class().query.get(_id=self.artifact_id)
def shorthand_id(self):
original = self.original()
if original:
return '%s#%s' % (original.shorthand_id(), self.version)
else:
return None
def url(self):
if self.original():
return self.original().url() + '?version=%d' % self.version
else:
return None
def index(self):
result = Snapshot.index(self)
result.update(
type_s='Post Snapshot',
text=self.data.text)
return result
class Post(Message, VersionedArtifact, ActivityObject):
class __mongometa__:
name = 'post'
history_class = PostHistory
indexes = [
# used in general lookups, last_post, etc
('discussion_id', 'status', 'timestamp'),
'thread_id'
]
type_s = 'Post'
thread_id = ForeignIdProperty(Thread)
discussion_id = ForeignIdProperty(Discussion)
subject = FieldProperty(schema.Deprecated)
status = FieldProperty(schema.OneOf('ok', 'pending', 'spam',
if_missing='pending'))
flagged_by = FieldProperty([schema.ObjectId])
flags = FieldProperty(int, if_missing=0)
last_edit_date = FieldProperty(datetime, if_missing=None)
last_edit_by_id = ForeignIdProperty(User)
edit_count = FieldProperty(int, if_missing=0)
spam_check_id = FieldProperty(str, if_missing='')
text_cache = FieldProperty(MarkdownCache)
# meta comment - system generated, describes changes to an artifact
is_meta = FieldProperty(bool, if_missing=False)
thread = RelationProperty(Thread)
discussion = RelationProperty(Discussion)
def __json__(self):
author = self.author()
return dict(
_id=str(self._id),
thread_id=self.thread_id,
slug=self.slug,
subject=self.subject,
status=self.status,
text=self.text,
flagged_by=map(str, self.flagged_by),
timestamp=self.timestamp,
author_id=str(author._id),
author=author.username)
@property
def activity_name(self):
return 'a comment'
@property
def activity_url(self):
return self.url_paginated()
def has_activity_access(self, perm, user, activity):
"""Return True if user has perm access to this object, otherwise
return False.
For the purposes of activitystreams, we're saying that the user does
not have access to a 'comment' activity unless he also has access to
the artifact on which it was posted (if there is one).
"""
artifact_access = True
if self.thread.artifact:
artifact_access = security.has_access(self.thread.artifact, perm,
user, self.thread.artifact.project)
return artifact_access and security.has_access(self, perm, user,
self.project)
@property
def activity_extras(self):
d = ActivityObject.activity_extras.fget(self)
# For activity summary, convert Post text to html,
# strip all tags, and truncate near the 80 char mark
LEN = 80
summary = jinja2.Markup.escape(
g.markdown.cached_convert(self, 'text')).striptags()
if len(summary) > LEN:
split = max(summary.find(' ', LEN), LEN)
summary = summary[:split] + '...'
d.update(summary=summary)
return d
def index(self):
result = super(Post, self).index()
result.update(
title='Post by %s on %s' % (
self.author().username, self.subject),
name_s=self.subject,
type_s='Post',
text=self.text)
return result
@classmethod
def discussion_class(cls):
return cls.discussion.related
@classmethod
def thread_class(cls):
return cls.thread.related
@classmethod
def attachment_class(cls):
return DiscussionAttachment
@property
def parent(self):
if self.parent_id:
return self.query.get(_id=self.parent_id)
@property
def subject(self):
subject = self.thread.subject
if not subject:
artifact = self.thread.artifact
if artifact:
subject = getattr(artifact, 'email_subject', '')
return subject or '(no subject)'
@LazyProperty
def attachments(self):
return self.attachment_class().query.find(dict(
post_id=self._id, type='attachment')).all()
def add_multiple_attachments(self, file_info):
if isinstance(file_info, list):
map(self.add_attachment, file_info)
else:
self.add_attachment(file_info)
def add_attachment(self, file_info):
if hasattr(file_info, 'file'):
mime_type = file_info.type
if not mime_type or '/' not in mime_type:
mime_type = utils.guess_mime_type(file_info.filename)
self.attach(
file_info.filename, file_info.file, content_type=mime_type,
post_id=self._id,
thread_id=self.thread_id,
discussion_id=self.discussion_id)
def last_edit_by(self):
return User.query.get(_id=self.last_edit_by_id) or User.anonymous()
def primary(self):
return self.thread.primary()
def url(self):
if self.thread:
return self.thread.url() + h.urlquote(self.slug) + '/'
else: # pragma no cover
return None
def url_paginated(self):
'''Return link to the thread with a #target that poins to this comment.
Also handle pagination properly.
'''
if not self.thread: # pragma no cover
return None
limit, p, s = g.handle_paging(None, 0) # get paging limit
if self.query.find(dict(thread_id=self.thread._id)).count() <= limit:
# all posts in a single page
page = 0
else:
posts = self.thread.find_posts()
posts = self.thread.create_post_threads(posts)
def find_i(posts):
'''Find the index number of this post in the display order'''
q = []
def traverse(posts):
for p in posts:
if p['post']._id == self._id:
return True # found
q.append(p)
if traverse(p['children']):
return True
traverse(posts)
return len(q)
page = find_i(posts) / limit
slug = h.urlquote(self.slug)
aref = ArtifactReference.query.get(_id=self.thread.ref_id)
if aref and aref.artifact:
url = aref.artifact.url()
else:
url = self.thread.url()
if page == 0:
return '%s?limit=%s#%s' % (url, limit, slug)
return '%s?limit=%s&page=%s#%s' % (url, limit, page, slug)
def shorthand_id(self):
if self.thread:
return '%s#%s' % (self.thread.shorthand_id(), self.slug)
else: # pragma no cover
return None
def link_text(self):
return self.subject
def reply_subject(self):
if self.subject and self.subject.lower().startswith('re:'):
return self.subject
else:
return 'Re: ' + (self.subject or '(no subject)')
def delete(self):
self.attachment_class().remove(dict(post_id=self._id))
super(Post, self).delete()
self.thread.num_replies = max(0, self.thread.num_replies - 1)
def approve(self, file_info=None, notify=True):
if self.status == 'ok':
return
self.status = 'ok'
author = self.author()
author_role = ProjectRole.by_user(
author, project=self.project, upsert=True)
security.simple_grant(
self.acl, author_role._id, 'moderate')
self.commit()
if (c.app.config.options.get('PostingPolicy') == 'ApproveOnceModerated'
and author._id != None):
security.simple_grant(
self.acl, author_role._id, 'unmoderated_post')
if notify:
self.notify(file_info=file_info)
artifact = self.thread.artifact or self.thread
session(self).flush()
self.thread.last_post_date = max(
self.thread.last_post_date,
self.mod_date)
self.thread.update_stats()
if hasattr(artifact, 'update_stats'):
artifact.update_stats()
if self.text and not self.is_meta:
g.director.create_activity(author, 'posted', self, target=artifact,
related_nodes=[self.app_config.project])
def notify(self, file_info=None, check_dup=False):
if self.project.notifications_disabled:
return # notifications disabled for entire project
artifact = self.thread.artifact or self.thread
n = Notification.query.get(
_id=artifact.url() + self._id) if check_dup else None
if not n:
n = Notification.post(artifact, 'message', post=self,
file_info=file_info)
if not n:
return
if (hasattr(artifact, "monitoring_email")
and artifact.monitoring_email):
if hasattr(artifact, 'notify_post'):
if artifact.notify_post:
n.send_simple(artifact.monitoring_email)
else: # Send if no extra checks required
n.send_simple(artifact.monitoring_email)
def spam(self):
self.status = 'spam'
self.thread.num_replies = max(0, self.thread.num_replies - 1)
g.spam_checker.submit_spam(self.text, artifact=self, user=c.user)
class DiscussionAttachment(BaseAttachment):
DiscussionClass = Discussion
ThreadClass = Thread
PostClass = Post
ArtifactClass = Post
thumbnail_size = (100, 100)
class __mongometa__:
polymorphic_identity = 'DiscussionAttachment'
indexes = ['filename', 'discussion_id', 'thread_id', 'post_id']
discussion_id = FieldProperty(schema.ObjectId)
thread_id = FieldProperty(str)
post_id = FieldProperty(str)
artifact_id = FieldProperty(str)
attachment_type = FieldProperty(str, if_missing='DiscussionAttachment')
@property
def discussion(self):
return self.DiscussionClass.query.get(_id=self.discussion_id)
@property
def thread(self):
return self.ThreadClass.query.get(_id=self.thread_id)
@property
def post(self):
return self.PostClass.query.get(_id=self.post_id)
@classmethod
def metadata_for(cls, post):
return dict(
post_id=post._id,
thread_id=post.thread_id,
discussion_id=post.discussion_id,
app_config_id=post.app_config_id)
def url(self):
if self.post_id:
return (self.post.url() + 'attachment/' +
h.urlquote(self.filename))
elif self.thread_id:
return (self.thread.url() + 'attachment/' +
h.urlquote(self.filename))
else:
return (self.discussion.url() + 'attachment/' +
h.urlquote(self.filename))