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#-*- coding: utf-8 -*-
# Copyright (C) 1998-2012 by the Free Software Foundation, Inc.
#
# This file is part of HyperKitty.
#
# HyperKitty is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# HyperKitty is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# HyperKitty. If not, see <http://www.gnu.org/licenses/>.
#
# Author: Aurelien Bompard <abompard@fedoraproject.org>
#
from hyperkitty.models import Rating
def get_votes(msgid, user=None):
"""Extract all the votes for this message"""
likes = dislikes = myvote = 0
try:
if isinstance(msgid, basestring):
votes = Rating.objects.filter(messageid=msgid)
elif isinstance(msgid, list):
votes = Rating.objects.filter(messageid__in=msgid)
except Rating.DoesNotExist:
votes = {}
for vote in votes:
if vote.vote == 1:
likes += 1
elif vote.vote == -1:
dislikes += 1
if user is not None and user.is_authenticated() and vote.user == user:
if not isinstance(msgid, list) or vote.messageid == msgid[0]:
# for a thread, only consider the starting email
myvote = vote.vote
return likes, dislikes, myvote
def set_message_votes(message, user=None):
# Extract all the votes for this message
message.likes, message.dislikes, message.myvote = \
get_votes(message.message_id_hash, user)
message.likestatus = "neutral"
if message.likes - message.dislikes >= 10:
message.likestatus = "likealot"
elif message.likes - message.dislikes > 0:
message.likestatus = "like"
#elif message.likes - message.dislikes < 0:
# message.likestatus = "dislike"
def set_thread_votes(thread, user=None):
total = 0
# XXX: 1 SQL request per thread, possible optimization here
likes, dislikes, myvote = get_votes(thread.email_id_hashes)
total = likes + dislikes
try:
thread.likes = likes / total
except ZeroDivisionError:
thread.likes = 0
try:
thread.dislikes = dislikes / total
except ZeroDivisionError:
thread.dislikes = 0
thread.likestatus = "neutral"
if thread.likes - thread.dislikes >= 10:
thread.likestatus = "likealot"
elif thread.likes - thread.dislikes > 0:
thread.likestatus = "like"
#elif thread.likes - thread.dislikes < 0:
# thread.likestatus = "dislike"
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