import logging
import cPickle as pickle
from collections import defaultdict
from datetime import datetime
import bson
import pymongo
from pylons import c, request
from ming import schema as S
from ming.orm import state, session
from ming.orm import FieldProperty, ForeignIdProperty, RelationProperty
from ming.orm.declarative import MappedClass
from ming.utils import LazyProperty
from webhelpers import feedgenerator as FG
from allura.lib import helpers as h
from allura.lib import security
from .session import main_doc_session, main_orm_session
from .session import project_doc_session, project_orm_session
from .session import artifact_orm_session
from .index import ArtifactReference
from .types import ACL, ACE
from filesystem import File
log = logging.getLogger(__name__)
class Artifact(MappedClass):
"""
The base class for anything you want to keep track of.
It will automatically be added to solr (see index() method). It also
gains a discussion thread and can have files attached to it.
:var tool_version: default's to the app's version
:var acl: dict of permission name => [roles]
:var labels: list of plain old strings
:var references: list of outgoing references to other tickets
:var backreferences: dict of incoming references to this artifact, mapped by solr id
"""
class __mongometa__:
session = artifact_orm_session
name='artifact'
indexes = [ 'app_config_id', ('labels', 'app_config_id') ]
def before_save(data):
if not getattr(artifact_orm_session._get(), 'skip_mod_date', False):
data['mod_date'] = datetime.utcnow()
else:
log.debug('Not updating mod_date')
if c.project:
c.project.last_updated = datetime.utcnow()
type_s = 'Generic Artifact'
# Artifact base schema
_id = FieldProperty(S.ObjectId)
mod_date = FieldProperty(datetime, if_missing=datetime.utcnow)
app_config_id = ForeignIdProperty('AppConfig', if_missing=lambda:c.app.config._id)
plugin_verson = FieldProperty(S.Deprecated)
tool_version = FieldProperty(
{ str: str },
if_missing=lambda:{c.app.config.tool_name:c.app.__version__})
acl = FieldProperty(ACL)
tags = FieldProperty(S.Deprecated)
labels = FieldProperty([str])
references = FieldProperty(S.Deprecated)
backreferences = FieldProperty(S.Deprecated)
app_config = RelationProperty('AppConfig')
# Not null if artifact originated from external import, then API ticket id
import_id = FieldProperty(str, if_missing=None)
deleted=FieldProperty(bool, if_missing=False)
def __json__(self):
return dict(
_id=str(self._id),
mod_date=self.mod_date,
labels=self.labels,
related_artifacts=[a.url() for a in self.related_artifacts()],
discussion_thread=self.discussion_thread,
discussion_thread_url=self.discussion_thread.url(),
)
def parent_security_context(self):
'''ACL processing should continue at the AppConfig object. This lets
AppConfigs provide a 'default' ACL for all artifacts in the tool.'''
return self.app_config
@classmethod
def attachment_class(cls):
raise NotImplementedError, 'attachment_class'
@classmethod
def translate_query(cls, q, fields):
for f in fields:
if f[-2] == '_':
base = f[:-2]
actual = f
q = q.replace(base+':', actual+':')
return q
@LazyProperty
def ref(self):
return ArtifactReference.from_artifact(self)
@LazyProperty
def refs(self):
return self.ref.references
@LazyProperty
def backrefs(self):
q = ArtifactReference.query.find(dict(references=self.index_id()))
return [ aref._id for aref in q ]
def related_artifacts(self):
related_artifacts = []
for ref_id in self.refs+self.backrefs:
ref = ArtifactReference.query.get(_id=ref_id)
if ref is None: continue
artifact = ref.artifact
if artifact is None: continue
artifact = artifact.primary()
# don't link to artifacts in deleted tools
if hasattr(artifact, 'app_config') and artifact.app_config is None: continue
if artifact not in related_artifacts:
related_artifacts.append(artifact)
return related_artifacts
def subscribe(self, user=None, topic=None, type='direct', n=1, unit='day'):
from allura.model import Mailbox
if user is None: user = c.user
Mailbox.subscribe(
user_id=user._id,
project_id=self.app_config.project_id,
app_config_id=self.app_config._id,
artifact=self, topic=topic,
type=type, n=n, unit=unit)
def unsubscribe(self, user=None):
from allura.model import Mailbox
if user is None: user = c.user
Mailbox.unsubscribe(
user_id=user._id,
project_id=self.app_config.project_id,
app_config_id=self.app_config._id,
artifact_index_id=self.index_id())
def primary(self):
'''If an artifact is a "secondary" artifact (discussion of a ticket, for
instance), return the artifact that is the "primary".
'''
return self
@classmethod
def artifacts_labeled_with(cls, label, app_config):
"""Return all artifacts of type `cls` that have the label `label` and
are in the tool denoted by `app_config`.
"""
return cls.query.find({'labels':label, 'app_config_id': app_config._id})
def email_link(self, subject='artifact'):
if subject:
return 'mailto:%s?subject=[%s:%s:%s] Re: %s' % (
self.email_address,
self.app_config.project.shortname,
self.app_config.options.mount_point,
self.shorthand_id(),
subject)
else:
return 'mailto:%s' % self.email_address
@property
def project(self):
return self.app_config.project
@property
def project_id(self):
return self.app_config.project_id
@LazyProperty
def app(self):
if getattr(c, 'app', None) and c.app.config._id == self.app_config._id:
return c.app
else:
return self.app_config.load()(self.project, self.app_config)
def index_id(self):
'''Globally unique artifact identifier. Used for
SOLR ID, shortlinks, and maybe elsewhere
'''
id = '%s.%s#%s' % (
self.__class__.__module__,
self.__class__.__name__,
self._id)
return id.replace('.', '/')
def index(self):
"""
Subclasses should override this, providing a dictionary of solr_field => value.
These fields & values will be stored by solr. Subclasses should call the
super() index() and then extend it with more fields. All these fields will be
included in the 'text' field (done by search.solarize())
The _s and _t suffixes, for example, follow solr dynamic field naming
pattern.
You probably want to override at least title_s and text to have
meaningful search results and email senders.
"""
project = self.project
return dict(
id=self.index_id(),
mod_date_dt=self.mod_date,
title_s='Artifact %s' % self._id,
project_id_s=str(project._id),
project_name_t=project.name,
project_shortname_t=project.shortname,
tool_name_s=self.app_config.tool_name,
mount_point_s=self.app_config.options.mount_point,
is_history_b=False,
url_s=self.url(),
type_s=self.type_s,
labels_t=' '.join(l for l in self.labels),
snippet_s='',
deleted_b=self.deleted)
def url(self):
"""
Subclasses should implement this, providing the URL to the artifact
"""
raise NotImplementedError, 'url' # pragma no cover
def shorthand_id(self):
'''How to refer to this artifact within the app instance context.
For a wiki page, it might be the title. For a ticket, it might be the
ticket number. For a discussion, it might be the message ID. Generally
this should have a strong correlation to the URL.
'''
return str(self._id) # pragma no cover
def link_text(self):
'''The link text that will be used when a shortlink to this artifact
is expanded into an <a></a> tag.
By default this method returns shorthand_id(). Subclasses should
override this method to provide more descriptive link text.
'''
return self.shorthand_id()
def get_discussion_thread(self, data=None):
'''Return the discussion thread for this artifact (possibly made more
specific by the message_data)'''
from .discuss import Thread
t = Thread.query.get(ref_id=self.index_id())
if t is None:
idx = self.index()
t = Thread(
discussion_id=self.app_config.discussion_id,
ref_id=idx['id'],
subject='%s discussion' % idx['title_s'])
parent_id = None
if data:
in_reply_to = data.get('in_reply_to', [])
if in_reply_to:
parent_id = in_reply_to[0]
return t, parent_id
@LazyProperty
def discussion_thread(self):
return self.get_discussion_thread()[0]
def attach(self, filename, fp, **kw):
att = self.attachment_class().save_attachment(
filename=filename,
fp=fp, artifact_id=self._id, **kw)
return att
class Snapshot(Artifact):
"""A snapshot of an :class:`Artifact <allura.model.artifact.Artifact>`, used in :class:`VersionedArtifact <allura.model.artifact.VersionedArtifact>`"""
class __mongometa__:
session = artifact_orm_session
name='artifact_snapshot'
unique_indexes = [ ('artifact_class', 'artifact_id', 'version') ]
indexes = [ ('artifact_id', 'version') ]
_id = FieldProperty(S.ObjectId)
artifact_id = FieldProperty(S.ObjectId)
artifact_class = FieldProperty(str)
version = FieldProperty(S.Int, if_missing=0)
author = FieldProperty(dict(
id=S.ObjectId,
username=str,
display_name=str,
logged_ip=str))
timestamp = FieldProperty(datetime)
data = FieldProperty(None)
def index(self):
result = Artifact.index(self)
original = self.original()
if original:
original_index = original.index()
result.update(original_index)
result['title_s'] = 'Version %d of %s' % (
self.version, original_index['title_s'])
result.update(
id=self.index_id(),
version_i=self.version,
author_username_t=self.author.username,
author_display_name_t=self.author.display_name,
timestamp_dt=self.timestamp,
is_history_b=True)
return result
def original(self):
raise NotImplemented, 'original' # pragma no cover
def shorthand_id(self):
return '%s#%s' % (self.original().shorthand_id(), self.version)
def __getattr__(self, name):
return getattr(self.data, name)
class VersionedArtifact(Artifact):
"""
An :class:`Artifact <allura.model.artifact.Artifact>` that has versions.
Associated data like attachments and discussion thread are not versioned.
"""
class __mongometa__:
session = artifact_orm_session
name='versioned_artifact'
history_class = Snapshot
version = FieldProperty(S.Int, if_missing=0)
def commit(self):
'''Save off a snapshot of the artifact and increment the version #'''
self.version += 1
try:
ip_address = request.headers.get('X_FORWARDED_FOR', request.remote_addr)
ip_address = ip_address.split(',')[0].strip()
except:
ip_address = '0.0.0.0'
data = dict(
artifact_id=self._id,
artifact_class='%s.%s' % (
self.__class__.__module__,
self.__class__.__name__),
version=self.version,
author=dict(
id=c.user._id,
username=c.user.username,
display_name=c.user.get_pref('display_name'),
logged_ip=ip_address),
timestamp=datetime.utcnow(),
data=state(self).clone())
ss = self.__mongometa__.history_class(**data)
session(ss).insert_now(ss, state(ss))
log.info('Snapshot version %s of %s',
self.version, self.__class__)
return ss
def get_version(self, n):
if n < 0:
n = self.version + n + 1
ss = self.__mongometa__.history_class.query.get(
artifact_id=self._id,
artifact_class='%s.%s' % (
self.__class__.__module__,
self.__class__.__name__),
version=n)
if ss is None:
raise IndexError, n
return ss
def revert(self, version):
ss = self.get_version(version)
old_version = self.version
for k,v in ss.data.iteritems():
setattr(self, k, v)
self.version = old_version
def history(self):
HC = self.__mongometa__.history_class
q = HC.query.find(dict(artifact_id=self._id)).sort('version', pymongo.DESCENDING)
return q
@property
def last_updated(self):
history = self.history()
if len(history):
return self.history().first().timestamp
else:
return self.mod_date
class Message(Artifact):
"""
A message
:var _id: an email friendly (e.g. message-id) string id
:var slug: slash-delimeted random identifier. Slashes useful for threaded searching and ordering
:var full_slug: string of slash-delimited "timestamp:slug" components. Useful for sorting by timstamp
"""
class __mongometa__:
session = artifact_orm_session
name='message'
indexes = Artifact.__mongometa__.indexes + [ 'slug', 'parent_id', 'timestamp' ]
type_s='Generic Message'
_id=FieldProperty(str, if_missing=h.gen_message_id)
slug=FieldProperty(str, if_missing=h.nonce)
full_slug=FieldProperty(str, if_missing=None)
parent_id=FieldProperty(str)
app_id=FieldProperty(S.ObjectId, if_missing=lambda:c.app.config._id)
timestamp=FieldProperty(datetime, if_missing=datetime.utcnow)
author_id=FieldProperty(S.ObjectId, if_missing=lambda:c.user._id)
text=FieldProperty(str, if_missing='')
@classmethod
def make_slugs(cls, parent=None, timestamp=None):
part = h.nonce()
if timestamp is None:
timestamp = datetime.utcnow()
dt = timestamp.strftime('%Y%m%d%H%M%S')
slug = part
full_slug = dt + ':' + part
if parent:
return (parent.slug + '/' + slug,
parent.full_slug + '/' + full_slug)
else:
return slug, full_slug
def author(self):
from .auth import User
return User.query.get(_id=self.author_id) or User.anonymous()
def reply(self):
new_id = h.gen_message_id()
slug, full_slug = self.make_slugs(self)
new_args = dict(
state(self).document,
_id=new_id,
slug=slug,
full_slug=full_slug,
parent_id=self._id,
timestamp=datetime.utcnow(),
author_id=c.user._id)
return self.__class__(**new_args)
def descendants(self):
q = self.query.find(dict(slug={'$gt':self.slug})).sort('slug')
for msg in q:
if msg.slug.startswith(self.slug):
yield msg
else:
break
def replies(self):
return self.query.find(dict(parent_id=self._id))
def index(self):
result = Artifact.index(self)
author = self.author()
result.update(
author_user_name_t=author.username,
author_display_name_t=author.get_pref('display_name'),
timestamp_dt=self.timestamp,
text=self.text)
return result
def shorthand_id(self):
return self.slug
class AwardFile(File):
class __mongometa__:
session = main_orm_session
name = 'award_file'
award_id=FieldProperty(S.ObjectId)
class Award(Artifact):
class __mongometa__:
session = main_orm_session
name='award'
indexes = [ 'short' ]
type_s = 'Generic Award'
from .project import Neighborhood
_id=FieldProperty(S.ObjectId)
created_by_neighborhood_id = ForeignIdProperty(Neighborhood, if_missing=None)
created_by_neighborhood = RelationProperty(Neighborhood, via='created_by_neighborhood_id')
short=FieldProperty(str, if_missing=h.nonce)
timestamp=FieldProperty(datetime, if_missing=datetime.utcnow)
full=FieldProperty(str, if_missing='')
def index(self):
result = Artifact.index(self)
result.update(
_id_s=self._id,
short_s=self.short,
timestamp_dt=self.timestamp,
full_s=self.full)
if self.created_by:
result['created_by_s'] = self.created_by.name
return result
@property
def icon(self):
return AwardFile.query.get(award_id=self._id)
def url(self):
return str(self._id)
def longurl(self):
return self.created_by_neighborhood.url_prefix + "_admin/awards/" + self.url()
def shorthand_id(self):
return self.short
class AwardGrant(Artifact):
"An :class:`Award <allura.model.artifact.Award>` can be bestowed upon a project by a neighborhood"
class __mongometa__:
session = main_orm_session
name='grant'
indexes = [ 'short' ]
type_s = 'Generic Award Grant'
_id=FieldProperty(S.ObjectId)
award_id = ForeignIdProperty(Award, if_missing=None)
award = RelationProperty(Award, via='award_id')
granted_by_neighborhood_id = ForeignIdProperty('Neighborhood', if_missing=None)
granted_by_neighborhood = RelationProperty('Neighborhood', via='granted_by_neighborhood_id')
granted_to_project_id = ForeignIdProperty('Project', if_missing=None)
granted_to_project = RelationProperty('Project', via='granted_to_project_id')
timestamp=FieldProperty(datetime, if_missing=datetime.utcnow)
def index(self):
result = Artifact.index(self)
result.update(
_id_s=self._id,
short_s=self.short,
timestamp_dt=self.timestamp,
full_s=self.full)
if self.award:
result['award_s'] = self.award.short
return result
@property
def icon(self):
return AwardFile.query.get(award_id=self.award_id)
def url(self):
slug = str(self.granted_to_project.shortname).replace('/','_')
return h.urlquote(slug)
def longurl(self):
slug = str(self.granted_to_project.shortname).replace('/','_')
slug = self.award.longurl() + '/' + slug
return h.urlquote(slug)
def shorthand_id(self):
if self.award:
return self.award.short
else:
return None
class Feed(MappedClass):
"""
Used to generate rss/atom feeds. This does not need to be extended;
all feed items go into the same collection
"""
class __mongometa__:
session = project_orm_session
name = 'artifact_feed'
indexes = [
'pubdate',
('artifact_ref.project_id', 'artifact_ref.mount_point'),
(('ref_id', pymongo.ASCENDING),
('pubdate', pymongo.DESCENDING)),
(('project_id', pymongo.ASCENDING),
('app_config_id', pymongo.ASCENDING),
('pubdate', pymongo.DESCENDING))]
_id = FieldProperty(S.ObjectId)
ref_id = ForeignIdProperty('ArtifactReference')
neighborhood_id = ForeignIdProperty('Neighborhood')
project_id = ForeignIdProperty('Project')
app_config_id = ForeignIdProperty('AppConfig')
tool_name=FieldProperty(str)
title=FieldProperty(str)
link=FieldProperty(str)
pubdate = FieldProperty(datetime, if_missing=datetime.utcnow)
description = FieldProperty(str)
unique_id = FieldProperty(str, if_missing=lambda:h.nonce(40))
author_name = FieldProperty(str, if_missing=lambda:c.user.get_pref('display_name') if hasattr(c, 'user') else None)
author_link = FieldProperty(str, if_missing=lambda:c.user.url() if hasattr(c, 'user') else None)
artifact_reference = FieldProperty(S.Deprecated)
@classmethod
def post(cls, artifact, title=None, description=None, author=None, author_link=None, author_name=None):
"""
Create a Feed item. Returns the item.
But if anon doesn't have read access, create does not happen and None is returned
"""
# TODO: fix security system so we can do this correctly and fast
from allura import model as M
anon = M.User.anonymous()
if not security.has_access(artifact, 'read', user=anon):
return
if not security.has_access(c.project, 'read', user=anon):
return
idx = artifact.index()
if author is None:
author = c.user
if author_name is None:
author_name = author.get_pref('display_name')
if title is None:
title='%s modified by %s' % (idx['title_s'], author_name)
if description is None: description = title
item = cls(
ref_id=artifact.index_id(),
neighborhood_id=artifact.app_config.project.neighborhood_id,
project_id=artifact.app_config.project_id,
app_config_id=artifact.app_config_id,
tool_name=artifact.app_config.tool_name,
title=title,
description=description,
link=artifact.url(),
author_name=author_name,
author_link=author_link or author.url())
return item
@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.title,
link=h.absurl(r.link.encode('utf-8')),
pubdate=r.pubdate,
description=r.description,
unique_id=r.unique_id,
author_name=r.author_name,
author_link=h.absurl(r.author_link))
return feed
class VotableArtifact(MappedClass):
"""Voting support for the Artifact. Use as a mixin."""
class __mongometa__:
session = main_orm_session
name = 'vote'
votes = FieldProperty(int, if_missing=0)
votes_up = FieldProperty(int, if_missing=0)
votes_down = FieldProperty(int, if_missing=0)
votes_up_users = FieldProperty([str], if_missing=list())
votes_down_users = FieldProperty([str], if_missing=list())
def vote_up(self, user):
if user.username in self.votes_up_users:
return # Can vote only once
if user.username in self.votes_down_users:
# Change vote negative
self.votes_down_users.remove(user.username)
self.votes_down = self.votes_down - 1
self.votes_up_users.append(user.username)
self.votes_up += 1
self.votes = self.votes_up - self.votes_down
def vote_down(self, user):
if user.username in self.votes_down_users:
return # Can vote only once
if user.username in self.votes_up_users:
# Change vote to positive
self.votes_up_users.remove(user.username)
self.votes_up = self.votes_up - 1
self.votes_down_users.append(user.username)
self.votes_down += 1
self.votes = self.votes_up - self.votes_down
def user_voted(self, user):
"""Check that user voted for this artifact.
Return:
1 if user voted up
-1 if user voted down
0 if user doesn't vote
"""
if user.username in self.votes_up_users:
return 1
if user.username in self.votes_down_users:
return -1
return 0