def _set_vote(self, user, delta):
"""Invoked by the user voting functions."""
assert delta in (0, 1, -1), 'you can only cast one vote'
vote = _Vote.query.filter_by(user=user, post=self).first()
# first things first. If the delta is zero we get rid of an
# already existing vote.
if delta == 0:
if vote:
session.delete(vote)
self._revert_vote(vote, user)
# otherwise we create a new vote entry or update the existing
else:
if vote is None:
vote = _Vote(user, self, delta)
else:
self._revert_vote(vote, user)
vote.delta = delta
atomic_add(self, 'votes', delta, expire=True)
# if this post is a topic, reflect the new value to the
# topic table.
topic = Topic.query.filter_by(question=self).first()
if topic is not None:
topic.votes = self.votes
if delta > 0:
atomic_add(user, 'upvotes', 1)
if self.is_question:
atomic_add(self.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_QUESTION_UPVOTE'])
else:
atomic_add(self.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_UPVOTE'])
elif delta < 0:
atomic_add(user, 'downvotes', 1)
# downvoting yourself does not harm your reputation
if self.author != user:
atomic_add(self.author, 'reputation',
-settings.REPUTATION_MAP['LOSE_ON_DOWNVOTE'])
atomic_add(user, 'reputation',
-settings.REPUTATION_MAP['DOWNVOTE_PENALTY'])
# remember the vote in the user cache
if not hasattr(user, '_vote_cache'):
user._vote_cache = {}
user._vote_cache[self.id] = delta
# update hotness, activity and award badges
if self.is_question:
self.topic._update_hotness()
user.touch_activity(self.topic.locale, 1)
try_award('vote', user, self, delta)
def _set_vote(self, user, delta):
"""Invoked by the user voting functions."""
assert delta in (0, 1, -1), 'you can only cast one vote'
vote = _Vote.query.filter_by(user=user, post=self).first()
# first things first. If the delta is zero we get rid of an
# already existing vote.
if delta == 0:
if vote:
session.delete(vote)
self._revert_vote(vote, user)
# otherwise we create a new vote entry or update the existing
else:
if vote is None:
vote = _Vote(user, self, delta)
else:
self._revert_vote(vote, user)
vote.delta = delta
atomic_add(self, 'votes', delta, expire=True)
# if this post is a topic, reflect the new value to the
# topic table.
topic = Topic.query.filter_by(question=self).first()
if topic is not None:
topic.votes = self.votes
if delta > 0:
atomic_add(user, 'upvotes', 1)
if self.is_question:
atomic_add(self.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_QUESTION_UPVOTE'])
else:
atomic_add(self.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_UPVOTE'])
elif delta < 0:
atomic_add(user, 'downvotes', 1)
# downvoting yourself does not harm your reputation
if self.author != user:
atomic_add(self.author, 'reputation',
-settings.REPUTATION_MAP['LOSE_ON_DOWNVOTE'])
atomic_add(user, 'reputation',
-settings.REPUTATION_MAP['DOWNVOTE_PENALTY'])
# remember the vote in the user cache
if not hasattr(user, '_vote_cache'):
user._vote_cache = {}
user._vote_cache[self.id] = delta
# update hotness, activity and award badges
if self.is_question:
self.topic._update_hotness()
user.touch_activity(self.topic.locale, 1)
try_award('vote', user, self, delta)
def __init__(self, locale, title, text, user, date=None):
self.locale = Locale.parse(locale)
self.title = title
# start with -1, when the question post is created the code will
# increment it to zero automatically.
self.reply_count = -1
self.is_deleted = False
self.votes = 0
self.question = Post(self, user, text, date, is_reply=False)
self.date = self.question.created
self.author = self.question.author
self.answer = None
self.last_change = self.question.created
self._update_hotness()
session.add(self)
try_award('new_topic', user, self)
def __init__(self, locale, title, text, user, date=None):
self.locale = Locale.parse(locale)
self.title = title
# start with -1, when the question post is created the code will
# increment it to zero automatically.
self.reply_count = -1
self.is_deleted = False
self.votes = 0
self.question = Post(self, user, text, date, is_reply=False)
self.date = self.question.created
self.author = self.question.author
self.answer = None
self.last_change = self.question.created
self._update_hotness()
session.add(self)
try_award('new_topic', user, self)
def edit(self, new_text, editor=None, date=None):
"""Changes the post contents and moves the current one into
the attic.
"""
if editor is None:
editor = self.author
if date is None:
date = datetime.utcnow()
PostRevision(self)
self.text = new_text
self.editor = editor
self.updated = self.topic.last_change = date
self.topic._update_hotness()
atomic_add(self, 'edits', 1)
try_award('edit', editor, self)
editor.touch_activity(self.topic.locale, 20)
def __init__(self, topic, author, text, date=None, is_reply=True):
self.topic = topic
self.author = author
self.editor = None
self.text = text
self.is_deleted = False
self.is_answer = False
self.is_question = not is_reply
if date is None:
date = datetime.utcnow()
topic.last_change = self.updated = self.created = date
self.votes = 0
self.edits = 0
self.comment_count = 0
author.touch_activity(topic.locale, 50)
session.add(self)
if not is_reply:
try_award('reply', author, self)
def accept_answer(self, post, user=None):
"""Accept a post as answer."""
assert post is None or post.topic == self, \
'that post does not belong to the topic'
if self.answer is not None:
self.answer.is_answer = False
atomic_add(self.answer.author, 'reputation',
-settings.REPUTATION_MAP['LOSE_ON_LOST_ANSWER'])
if user is None:
user = post and post.author or self.author
if post is not None:
post.is_answer = True
atomic_add(post.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_ACCEPTED_ANSWER'])
self.answer_author = post.author
self.answer_date = post.created
self.answer = post
try_award('accept', user, self, post)
def edit(self, new_text, editor=None, date=None):
"""Changes the post contents and moves the current one into
the attic.
"""
if editor is None:
editor = self.author
if date is None:
date = datetime.utcnow()
PostRevision(self)
self.text = new_text
self.editor = editor
self.updated = self.topic.last_change = date
self.topic._update_hotness()
atomic_add(self, 'edits', 1)
try_award('edit', editor, self)
editor.touch_activity(self.topic.locale, 20)
def __init__(self, topic, author, text, date=None, is_reply=True):
self.topic = topic
self.author = author
self.editor = None
self.text = text
self.is_deleted = False
self.is_answer = False
self.is_question = not is_reply
if date is None:
date = datetime.utcnow()
topic.last_change = self.updated = self.created = date
self.votes = 0
self.edits = 0
self.comment_count = 0
author.touch_activity(topic.locale, 50)
session.add(self)
if not is_reply:
try_award('reply', author, self)
def accept_answer(self, post, user=None):
"""Accept a post as answer."""
assert post is None or post.topic == self, \
'that post does not belong to the topic'
if self.answer is not None:
self.answer.is_answer = False
atomic_add(self.answer.author, 'reputation',
-settings.REPUTATION_MAP['LOSE_ON_LOST_ANSWER'])
if user is None:
user = post and post.author or self.author
if post is not None:
post.is_answer = True
atomic_add(post.author, 'reputation',
settings.REPUTATION_MAP['GAIN_ON_ACCEPTED_ANSWER'])
self.answer_author = post.author
self.answer_date = post.created
self.answer = post
try_award('accept', user, self, post)
