[22d026]: Allura / allura / model / notification.py  Maximize  Restore  History

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'''Manage notifications and subscriptions
When an artifact is modified:
- Notification generated by tool app
- Search is made for subscriptions matching the notification
- Notification is added to each matching subscriptions' queue
Periodically:
- For each subscriptions with notifications and direct delivery:
- For each notification, enqueue as a separate email message
- Clear subscription's notification list
- For each subscription with notifications and delivery due:
- Enqueue one email message with all notifications
- Clear subscription's notification list
Notifications are also available for use in feeds
'''
import logging
from datetime import datetime, timedelta
from collections import defaultdict
from webhelpers import feedgenerator as FG
from pylons import c, g
from tg import config
import pymongo
from ming import schema as S
from ming.orm import MappedClass, FieldProperty, ForeignIdProperty, RelationProperty, session
from allura.lib import helpers as h
from .session import main_orm_session, project_orm_session
from .types import ArtifactReferenceType
from .auth import User
log = logging.getLogger(__name__)
MAILBOX_QUIESCENT=None # Re-enable with [#1384]: timedelta(minutes=10)
class Notification(MappedClass):
class __mongometa__:
session = main_orm_session
name = 'notification'
_id = FieldProperty(str, if_missing=h.gen_message_id)
# Classify notifications
project_id = ForeignIdProperty('Project', if_missing=lambda:c.project._id)
app_config_id = ForeignIdProperty('AppConfig', if_missing=lambda:c.app.config._id)
artifact_reference = FieldProperty(ArtifactReferenceType)
topic = FieldProperty(str)
unique_id = FieldProperty(str, if_missing=lambda:h.nonce(40))
# Notification Content
in_reply_to=FieldProperty(str)
from_address=FieldProperty(str)
reply_to_address=FieldProperty(str)
subject=FieldProperty(str)
text=FieldProperty(str)
link=FieldProperty(str)
author_id=ForeignIdProperty('User')
feed_meta=FieldProperty(S.Deprecated)
pubdate = FieldProperty(datetime, if_missing=datetime.utcnow)
def author(self):
return User.query.get(_id=self.author_id) or User.anonymous()
@classmethod
def post(cls, artifact, topic, **kw):
'''Create a notification and send the notify message'''
n = cls._make_notification(artifact, topic, **kw)
idx = artifact.index()
g.publish('react', 'forgemail.notify', dict(
notification_id=n._id,
artifact_index_id=idx['id'],
topic=topic))
return n
@classmethod
def post_user(cls, user, artifact, topic, **kw):
'''Create a notification and deliver directly to a user's flash
mailbox'''
try:
mbox = Mailbox(user_id=user._id, is_flash=True,
project_id=None,
app_config_id=None)
session(mbox).flush(mbox)
except pymongo.errors.DuplicateKeyError:
session(mbox).expunge(mbox)
mbox = Mailbox.query.get(user_id=user._id, is_flash=True)
n = cls._make_notification(artifact, topic, **kw)
mbox.queue.append(n._id)
return n
@classmethod
def _make_notification(cls, artifact, topic, **kwargs):
idx = artifact.index()
subject_prefix = '[%s:%s] ' % (
c.project.shortname, c.app.config.options.mount_point)
if topic == 'message':
post = kwargs.pop('post')
subject = post.subject or ''
if post.parent_id and not subject.lower().startswith('re:'):
subject = 'Re: ' + subject
author = post.author()
d = dict(
_id=post._id,
from_address=str(author._id),
reply_to_address='"%s" <%s>' % (
subject_prefix, getattr(artifact, 'email_address', 'noreply@in.sf.net')),
subject=subject_prefix + subject,
text=post.text,
in_reply_to=post.parent_id,
author_id=author._id,
pubdate=datetime.utcnow())
else:
subject = kwargs.pop('subject', '%s modified by %s' % (
idx['title_s'],c.user.get_pref('display_name')))
reply_to = '"%s" <%s>' % (idx['title_s'], artifact.email_address)
d = dict(
from_address=reply_to,
reply_to_address=reply_to,
subject=subject_prefix + subject,
text=kwargs.pop('text', subject),
author_id=c.user._id,
pubdate=datetime.utcnow())
if c.user.get_pref('email_address'):
d['from_address'] = '"%s" <%s>' % (
c.user.get_pref('display_name'),
c.user.get_pref('email_address'))
elif c.user.email_addresses:
d['from_address'] = '"%s" <%s>' % (
c.user.get_pref('display_name'),
c.user.email_addresses[0])
if not d.get('text'):
d['text'] = ''
assert d['reply_to_address'] is not None
n = cls(artifact_reference=artifact.dump_ref(),
topic=topic,
link=kwargs.pop('link', artifact.url()),
**d)
return n
@classmethod
def feed(cls, q, feed_type, title, link, description,
since=None, until=None, offset=None, limit=None):
"""Produces webhelper.feedgenerator Feed"""
d = dict(title=title, link=h.absurl(link), description=description, language=u'en')
if feed_type == 'atom':
feed = FG.Atom1Feed(**d)
elif feed_type == 'rss':
feed = FG.Rss201rev2Feed(**d)
query = defaultdict(dict)
query.update(q)
if since is not None:
query['pubdate']['$gte'] = since
if until is not None:
query['pubdate']['$lte'] = until
cur = cls.query.find(query)
cur = cur.sort('pubdate', pymongo.DESCENDING)
if limit is None: limit = 10
query = cur.limit(limit)
if offset is not None: query = cur.offset(offset)
for r in cur:
feed.add_item(title=r.subject,
link=h.absurl(r.link.encode('utf-8')),
pubdate=r.pubdate,
description=r.text,
unique_id=r.unique_id,
author_name=r.author().display_name,
author_link=h.absurl(r.author().url()))
return feed
def footer(self):
prefix = config.get('forgemail.url', 'https://sourceforge.net')
return '''
---
Sent from sourceforge.net because you indicated interest in <%s%s>
To unsubscribe from further messages, please visit <%s/auth/prefs/>
''' % (prefix, self.link, prefix)
def send_direct(self, user_id):
g.publish('audit', 'forgemail.send_email', {
'destinations':[str(user_id)],
'from':self.from_address,
'reply_to':self.reply_to_address,
'subject':self.subject,
'message_id':self._id,
'in_reply_to':self.in_reply_to,
'text':(self.text or '') + self.footer()},
serializer='pickle')
@classmethod
def send_digest(self, user_id, from_address, subject, notifications,
reply_to_address=None):
if not notifications: return
if reply_to_address is None:
reply_to_address = from_address
text = [ 'Digest of %s' % subject ]
for n in notifications:
text.append('From: %s' % n.from_address)
text.append('Subject: %s' % (n.subject or '(no subject)'))
text.append('Message-ID: %s' % n._id)
text.append('')
text.append(n.text or '-no text-')
text.append(n.footer())
text = '\n'.join(text)
g.publish('audit', 'forgemail.send_email', {
'destinations':[str(user_id)],
'from':from_address,
'reply_to':reply_to_address,
'subject':subject,
'message_id':h.gen_message_id(),
'text':text},
serializer='pickle')
@classmethod
def send_summary(self, user_id, from_address, subject, notifications):
if not notifications: return
text = [ 'Digest of %s' % subject ]
for n in notifications:
text.append('From: %s' % n.from_address)
text.append('Subject: %s' % (n.subject or '(no subject)'))
text.append('Message-ID: %s' % n._id)
text.append('')
text.append(h.text.truncate(n.text or '-no text-', 128))
text.append(n.footer())
text = '\n'.join(text)
g.publish('audit', 'forgemail.send_email', {
'destinations':[str(user_id)],
'from':from_address,
'reply_to':from_address,
'subject':subject,
'message_id':h.gen_message_id(),
'text':text},
serializer='pickle')
class Mailbox(MappedClass):
class __mongometa__:
session = main_orm_session
name = 'mailbox'
unique_indexes = [
('user_id', 'project_id', 'app_config_id',
'artifact_index_id', 'topic', 'is_flash'),
]
indexes = [
('project_id', 'artifact_index_id') ]
_id = FieldProperty(S.ObjectId)
user_id = ForeignIdProperty('User', if_missing=lambda:c.user._id)
project_id = ForeignIdProperty('Project', if_missing=lambda:c.project._id)
app_config_id = ForeignIdProperty('AppConfig', if_missing=lambda:c.app.config._id)
# Subscription filters
artifact_title = FieldProperty(str)
artifact_url = FieldProperty(str)
artifact_index_id = FieldProperty(str)
topic = FieldProperty(str)
# Subscription type
is_flash = FieldProperty(bool, if_missing=False)
type = FieldProperty(S.OneOf, 'direct', 'digest', 'summary', 'flash')
frequency = FieldProperty(dict(
n=int,unit=S.OneOf('day', 'week', 'month')))
next_scheduled = FieldProperty(datetime, if_missing=datetime.utcnow)
# Actual notification IDs
last_modified = FieldProperty(datetime, if_missing=datetime(2000,1,1))
queue = FieldProperty([str])
project = RelationProperty('Project')
app_config = RelationProperty('AppConfig')
@classmethod
def subscribe(
cls,
user_id=None, project_id=None, app_config_id=None,
artifact=None, topic=None,
type='direct', n=1, unit='day'):
if user_id is None: user_id = c.user._id
if project_id is None: project_id = c.project._id
if app_config_id is None: app_config_id = c.app.config._id
tool_already_subscribed = cls.query.get(user_id=user_id,
project_id=project_id,
app_config_id=app_config_id,
artifact_index_id=None)
if tool_already_subscribed:
log.warning('Tried to subscribe to artifact %s, while there is a tool subscription', artifact)
return
if artifact is None:
artifact_title = 'All artifacts'
artifact_url = None
artifact_index_id = None
else:
i = artifact.index()
artifact_title = i['title_s']
artifact_url = artifact.url()
artifact_index_id = i['id']
artifact_already_subscribed = cls.query.get(user_id=user_id,
project_id=project_id,
app_config_id=app_config_id,
artifact_index_id=artifact_index_id)
if artifact_already_subscribed:
return
d = dict(user_id=user_id, project_id=project_id, app_config_id=app_config_id,
artifact_index_id=artifact_index_id, topic=topic)
sess = session(cls)
try:
mbox = cls(
type=type, frequency=dict(n=n, unit=unit),
artifact_title=artifact_title,
artifact_url=artifact_url,
**d)
sess.flush(mbox)
except pymongo.errors.DuplicateKeyError:
sess.expunge(mbox)
mbox = cls.query.get(**d)
mbox.artifact_title = artifact_title
mbox.artifact_url = artifact_url
mbox.type = type
mbox.frequency.n = n
mbox.frequency.unit = unit
sess.flush(mbox)
if not artifact_index_id:
# Unsubscribe from individual artifacts when subscribing to the tool
for other_mbox in cls.query.find(dict(
user_id=user_id, project_id=project_id, app_config_id=app_config_id)):
if other_mbox is not mbox:
other_mbox.delete()
@classmethod
def unsubscribe(
cls,
user_id=None, project_id=None, app_config_id=None,
artifact_index_id=None, topic=None):
if user_id is None: user_id = c.user._id
if project_id is None: project_id = c.project._id
if app_config_id is None: app_config_id = c.app.config._id
cls.query.remove(dict(
user_id=user_id,
project_id=project_id,
app_config_id=app_config_id,
artifact_index_id=artifact_index_id,
topic=topic))
@classmethod
def subscribed(
cls, user_id=None, project_id=None, app_config_id=None,
artifact=None, topic=None):
if user_id is None: user_id = c.user._id
if project_id is None: project_id = c.project._id
if app_config_id is None: app_config_id = c.app.config._id
if artifact is None:
artifact_index_id = None
else:
i = artifact.index()
artifact_index_id = i['id']
return cls.query.find(dict(
user_id=user_id,
project_id=project_id,
app_config_id=app_config_id,
artifact_index_id=artifact_index_id)).count() != 0
@classmethod
def deliver(cls, nid, artifact_index_id, topic):
'''Called in the notification message handler to deliver notification IDs
to the appropriate mailboxes. Atomically appends the nids
to the appropriate mailboxes.
'''
d = {
'project_id':c.project._id,
'app_config_id':c.app.config._id,
'artifact_index_id':{'$in':[None, artifact_index_id]},
'topic':{'$in':[None, topic]}
}
for mbox in cls.query.find(d):
mbox.query.update(
dict(_id=mbox._id),
{'$push':dict(queue=nid),
'$set':dict(last_modified=datetime.utcnow())})
# Make sure the mbox doesn't stick around to be flush()ed
session(mbox).expunge(mbox)
@classmethod
def fire_ready(cls):
'''Fires all direct subscriptions with notifications as well as
all summary & digest subscriptions with notifications that are ready
'''
now = datetime.utcnow()
# Queries to find all matching subscription objects
q_direct = dict(
type='direct',
queue={'$ne':[]})
if MAILBOX_QUIESCENT:
q_direct['last_modified']={'$lt':now - MAILBOX_QUIESCENT}
q_digest = dict(
type={'$in': ['digest', 'summary']},
next_scheduled={'$lt':now})
for mbox in cls.query.find(q_direct):
mbox = mbox.query.find_and_modify(
query=dict(_id=mbox._id),
update={'$set': dict(
queue=[])})
mbox.fire(now)
for mbox in cls.query.find(q_digest):
next_scheduled = now
if mbox.frequency.unit == 'day':
next_scheduled += timedelta(days=mbox.frequency.n)
elif mbox.frequency.unit == 'week':
next_scheduled += timedelta(days=7 * mbox.frequency.n)
elif mbox.frequency.unit == 'month':
next_scheduled += timedelta(days=30 * mbox.frequency.n)
mbox = mbox.query.find_and_modify(
query=dict(_id=mbox._id),
update={'$set': dict(
next_scheduled=next_scheduled,
queue=[])})
mbox.fire(now)
def fire(self, now):
notifications = Notification.query.find(dict(_id={'$in':self.queue}))
notifications = notifications.all()
if self.type == 'direct':
ngroups = defaultdict(list)
for n in notifications:
if n.topic == 'message':
n.send_direct(self.user_id)
# Messages must be sent individually so they can be replied
# to individually
else:
key = (n.subject, n.from_address, n.reply_to_address, n.author_id)
ngroups[key].append(n)
# Accumulate messages from same address with same subject
for (subject, from_address, reply_to_address, author_id), ns in ngroups.iteritems():
if len(ns) == 1:
n.send_direct(self.user_id)
else:
Notification.send_digest(
self.user_id, from_address, subject, ns, reply_to_address)
elif self.type == 'digest':
Notification.send_digest(
self.user_id, 'noreply@in.sf.net', 'Digest Email',
notifications)
elif self.type == 'summary':
Notification.send_summary(
self.user_id, 'noreply@in.sf.net', 'Digest Email',
notifications)

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