# encoding:utf-8
import os.path
import time, datetime, calendar, random
import logging
from urllib import quote, unquote
from django.conf import settings
from django.core.files.storage import default_storage
from django.shortcuts import render_to_response, get_object_or_404
from django.contrib.auth.decorators import login_required
from django.http import HttpResponseRedirect, HttpResponse,Http404
from django.core.paginator import Paginator, EmptyPage, InvalidPage
from django.template import RequestContext
from django.utils.html import *
from django.utils import simplejson
from django.core import serializers
from django.db import transaction
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import ugettext as _
from django.template.defaultfilters import slugify
from utils.html import sanitize_html
from markdown2 import Markdown
#from lxml.html.diff import htmldiff
from forum.diff import textDiff as htmldiff
from forum.forms import *
from forum.models import *
from forum.auth import *
from forum.const import *
from forum.user import *
from forum import auth
# used in index page
INDEX_PAGE_SIZE = 20
INDEX_AWARD_SIZE = 15
INDEX_TAGS_SIZE = 100
# used in tags list
DEFAULT_PAGE_SIZE = 60
# used in questions
QUESTIONS_PAGE_SIZE = 10
# used in users
USERS_PAGE_SIZE = 35
# used in answers
ANSWERS_PAGE_SIZE = 10
markdowner = Markdown(html4tags=True)
question_type = ContentType.objects.get_for_model(Question)
answer_type = ContentType.objects.get_for_model(Answer)
comment_type = ContentType.objects.get_for_model(Comment)
question_revision_type = ContentType.objects.get_for_model(QuestionRevision)
answer_revision_type = ContentType.objects.get_for_model(AnswerRevision)
repute_type =ContentType.objects.get_for_model(Repute)
question_type_id = question_type.id
answer_type_id = answer_type.id
comment_type_id = comment_type.id
question_revision_type_id = question_revision_type.id
answer_revision_type_id = answer_revision_type.id
repute_type_id = repute_type.id
def _get_tags_cache_json():
tags = Tag.objects.filter(deleted=False).all()
tags_list = []
for tag in tags:
dic = {'n': tag.name, 'c': tag.used_count }
tags_list.append(dic)
tags = simplejson.dumps(tags_list)
return tags
def index(request):
view_id = request.GET.get('sort', None)
view_dic = {
"latest":"-last_activity_at",
"hottest":"-answer_count",
"mostvoted":"-score",
"trans": "-last_activity_at"
}
try:
orderby = view_dic[view_id]
except KeyError:
view_id = "latest"
orderby = "-last_activity_at"
# group questions by author_id of 28,29
if view_id == 'trans':
questions = Question.objects.get_translation_questions(orderby, INDEX_PAGE_SIZE)
else:
questions = Question.objects.get_questions_by_pagesize(orderby, INDEX_PAGE_SIZE)
# RISK - inner join queries
questions = questions.select_related()
tags = Tag.objects.get_valid_tags(INDEX_TAGS_SIZE)
awards = Award.objects.get_recent_awards()
return render_to_response('index.html', {
"questions" : questions,
"tab_id" : view_id,
"tags" : tags,
"awards" : awards[:INDEX_AWARD_SIZE],
}, context_instance=RequestContext(request))
def about(request):
return render_to_response('about.html', context_instance=RequestContext(request))
def faq(request):
return render_to_response('faq.html', context_instance=RequestContext(request))
def privacy(request):
return render_to_response('privacy.html', context_instance=RequestContext(request))
def unanswered(request):
return questions(request, unanswered=True)
def questions(request, tagname=None, unanswered=False):
"""
List of Questions, Tagged questions, and Unanswered questions.
"""
# template file
# "questions.html" or "unanswered.html"
template_file = "questions.html"
# Set flag to False by default. If it is equal to True, then need to be saved.
pagesize_changed = False
# get pagesize from session, if failed then get default value
pagesize = request.session.get("pagesize",10)
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
view_id = request.GET.get('sort', None)
view_dic = {"latest":"-added_at", "active":"-last_activity_at", "hottest":"-answer_count", "mostvoted":"-score" }
try:
orderby = view_dic[view_id]
except KeyError:
view_id = "latest"
orderby = "-added_at"
# check if request is from tagged questions
if tagname is not None:
objects = Question.objects.get_questions_by_tag(tagname, orderby)
elif unanswered:
#check if request is from unanswered questions
template_file = "unanswered.html"
objects = Question.objects.get_unanswered_questions(orderby)
else:
objects = Question.objects.get_questions(orderby)
# RISK - inner join queries
objects = objects.select_related(depth=1);
objects_list = Paginator(objects, pagesize)
questions = objects_list.page(page)
# Get related tags from this page objects
if questions.object_list.count() > 0:
related_tags = Tag.objects.get_tags_by_questions(questions.object_list)
else:
related_tags = None
return render_to_response(template_file, {
"questions" : questions,
"tab_id" : view_id,
"questions_count" : objects_list.count,
"tags" : related_tags,
"searchtag" : tagname,
"is_unanswered" : unanswered,
"context" : {
'is_paginated' : True,
'pages': objects_list.num_pages,
'page': page,
'has_previous': questions.has_previous(),
'has_next': questions.has_next(),
'previous': questions.previous_page_number(),
'next': questions.next_page_number(),
'base_url' : request.path + '?sort=%s&' % view_id,
'pagesize' : pagesize
}}, context_instance=RequestContext(request))
def create_new_answer( question=None, author=None,\
added_at=None, wiki=False,\
text='', email_notify=False):
html = sanitize_html(markdowner.convert(text))
#create answer
answer = Answer(
question = question,
author = author,
added_at = added_at,
wiki = wiki,
html = html
)
if answer.wiki:
answer.last_edited_by = answer.author
answer.last_edited_at = added_at
answer.wikified_at = added_at
answer.save()
#update question data
question.last_activity_at = added_at
question.last_activity_by = author
question.save()
Question.objects.update_answer_count(question)
#update revision
AnswerRevision.objects.create(
answer = answer,
revision = 1,
author = author,
revised_at = added_at,
summary = CONST['default_version'],
text = text
)
#set notification/delete
if email_notify:
try:
EmailFeed.objects.get(feed_id = question.id, subscriber_id = author.id, feed_content_type=question_type)
except EmailFeed.DoesNotExist:
feed = EmailFeed(content = question, subscriber = author)
feed.save()
else:
#not sure if this is necessary. ajax should take care of this...
try:
feed = Email.objects.get(feed_id = question.id, subscriber_id = author.id, feed_content_type=question_type)
feed.delete()
except:
pass
def create_new_question(title=None,author=None,added_at=None,
wiki=False,tagnames=None,summary=None,
text=None):
"""this is not a view
and maybe should become one of the methods on Question object?
"""
html = sanitize_html(markdowner.convert(text))
question = Question(
title = title,
author = author,
added_at = added_at,
last_activity_at = added_at,
last_activity_by = author,
wiki = wiki,
tagnames = tagnames,
html = html,
summary = summary
)
if question.wiki:
question.last_edited_by = question.author
question.last_edited_at = added_at
question.wikified_at = added_at
question.save()
# create the first revision
QuestionRevision.objects.create(
question = question,
revision = 1,
title = question.title,
author = author,
revised_at = added_at,
tagnames = question.tagnames,
summary = CONST['default_version'],
text = text
)
return question
#TODO: allow anynomus user to ask question by providing email and username.
#@login_required
def ask(request):
if request.method == "POST":
form = AskForm(request.POST)
if form.is_valid():
added_at = datetime.datetime.now()
title = strip_tags(form.cleaned_data['title'])
wiki = form.cleaned_data['wiki']
tagnames = form.cleaned_data['tags'].strip()
text = form.cleaned_data['text']
html = sanitize_html(markdowner.convert(text))
summary = strip_tags(html)[:120]
if request.user.is_authenticated():
author = request.user
question = create_new_question(
title = title,
author = author,
added_at = added_at,
wiki = wiki,
tagnames = tagnames,
summary = summary,
text = text
)
return HttpResponseRedirect(question.get_absolute_url())
else:
request.session.flush()
session_key = request.session.session_key
question = AnonymousQuestion(
session_key = session_key,
title = title,
tagnames = tagnames,
wiki = wiki,
text = text,
summary = summary,
added_at = added_at,
ip_addr = request.META['REMOTE_ADDR'],
)
question.save()
return HttpResponseRedirect('/%s%s%s' % ( _('account/'),_('signin/'),_('newquestion/')))
else:
form = AskForm()
tags = _get_tags_cache_json()
return render_to_response('ask.html', {
'form' : form,
'tags' : tags,
}, context_instance=RequestContext(request))
def question(request, id):
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
view_id = request.GET.get('sort', 'votes')
view_dic = {"latest":"-added_at", "oldest":"added_at", "votes":"-score" }
try:
orderby = view_dic[view_id]
except KeyError:
view_id = "votes"
orderby = "-score"
question = get_object_or_404(Question, id=id)
if question.deleted and not can_view_deleted_post(request.user, question):
raise Http404
answer_form = AnswerForm(question,request.user)
answers = Answer.objects.get_answers_from_question(question, request.user)
answers = answers.select_related(depth=1)
favorited = question.has_favorite_by_user(request.user)
if request.user.is_authenticated():
question_vote = question.votes.select_related().filter(user=request.user)
else:
question_vote = None #is this correct?
if question_vote is not None and question_vote.count() > 0:
question_vote = question_vote[0]
user_answer_votes = {}
for answer in answers:
vote = answer.get_user_vote(request.user)
if vote is not None and not user_answer_votes.has_key(answer.id):
vote_value = -1
if vote.is_upvote():
vote_value = 1
user_answer_votes[answer.id] = vote_value
if answers is not None:
answers = answers.order_by("-accepted", orderby)
filtered_answers = []
for answer in answers:
if answer.deleted == True:
if answer.author_id == request.user.id:
filtered_answers.append(answer)
else:
filtered_answers.append(answer)
objects_list = Paginator(filtered_answers, ANSWERS_PAGE_SIZE)
page_objects = objects_list.page(page)
# update view count
Question.objects.update_view_count(question)
return render_to_response('question.html', {
"question" : question,
"question_vote" : question_vote,
"question_comment_count":question.comments.count(),
"answer" : answer_form,
"answers" : page_objects.object_list,
"user_answer_votes": user_answer_votes,
"tags" : question.tags.all(),
"tab_id" : view_id,
"favorited" : favorited,
"similar_questions" : Question.objects.get_similar_questions(question),
"context" : {
'is_paginated' : True,
'pages': objects_list.num_pages,
'page': page,
'has_previous': page_objects.has_previous(),
'has_next': page_objects.has_next(),
'previous': page_objects.previous_page_number(),
'next': page_objects.next_page_number(),
'base_url' : request.path + '?sort=%s&' % view_id,
'extend_url' : "#sort-top"
}
}, context_instance=RequestContext(request))
@login_required
def close(request, id):
question = get_object_or_404(Question, id=id)
if not can_close_question(request.user, question):
return HttpResponse('Permission denied.')
if request.method == 'POST':
form = CloseForm(request.POST)
if form.is_valid():
reason = form.cleaned_data['reason']
question.closed = True
question.closed_by = request.user
question.closed_at = datetime.datetime.now()
question.close_reason = reason
question.save()
return HttpResponseRedirect(question.get_absolute_url())
else:
form = CloseForm()
return render_to_response('close.html', {
'form' : form,
'question' : question,
}, context_instance=RequestContext(request))
@login_required
def reopen(request, id):
question = get_object_or_404(Question, id=id)
# open question
if not can_reopen_question(request.user, question):
return HttpResponse('Permission denied.')
if request.method == 'POST' :
Question.objects.filter(id=question.id).update(closed=False,
closed_by=None, closed_at=None, close_reason=None)
return HttpResponseRedirect(question.get_absolute_url())
else:
return render_to_response('reopen.html', {
'question' : question,
}, context_instance=RequestContext(request))
@login_required
def edit_question(request, id):
question = get_object_or_404(Question, id=id)
if question.deleted and not can_view_deleted_post(request.user, question):
raise Http404
if can_edit_post(request.user, question):
return _edit_question(request, question)
elif can_retag_questions(request.user):
return _retag_question(request, question)
else:
raise Http404
def _retag_question(request, question):
if request.method == 'POST':
form = RetagQuestionForm(question, request.POST)
if form.is_valid():
if form.has_changed():
latest_revision = question.get_latest_revision()
retagged_at = datetime.datetime.now()
# Update the Question itself
Question.objects.filter(id=question.id).update(
tagnames = form.cleaned_data['tags'],
last_edited_at = retagged_at,
last_edited_by = request.user,
last_activity_at = retagged_at,
last_activity_by = request.user
)
# Update the Question's tag associations
tags_updated = Question.objects.update_tags(question,
form.cleaned_data['tags'], request.user)
# Create a new revision
QuestionRevision.objects.create(
question = question,
title = latest_revision.title,
author = request.user,
revised_at = retagged_at,
tagnames = form.cleaned_data['tags'],
summary = CONST['retagged'],
text = latest_revision.text
)
# send tags updated singal
tags_updated.send(sender=question.__class__, question=question)
return HttpResponseRedirect(question.get_absolute_url())
else:
form = RetagQuestionForm(question)
return render_to_response('question_retag.html', {
'question': question,
'form' : form,
'tags' : _get_tags_cache_json(),
}, context_instance=RequestContext(request))
def _edit_question(request, question):
latest_revision = question.get_latest_revision()
revision_form = None
if request.method == 'POST':
if 'select_revision' in request.POST:
# user has changed revistion number
revision_form = RevisionForm(question, latest_revision, request.POST)
if revision_form.is_valid():
# Replace with those from the selected revision
form = EditQuestionForm(question,
QuestionRevision.objects.get(question=question,
revision=revision_form.cleaned_data['revision']))
else:
form = EditQuestionForm(question, latest_revision, request.POST)
else:
# Always check modifications against the latest revision
form = EditQuestionForm(question, latest_revision, request.POST)
if form.is_valid():
html = sanitize_html(markdowner.convert(form.cleaned_data['text']))
if form.has_changed():
edited_at = datetime.datetime.now()
tags_changed = (latest_revision.tagnames !=
form.cleaned_data['tags'])
tags_updated = False
# Update the Question itself
updated_fields = {
'title': form.cleaned_data['title'],
'last_edited_at': edited_at,
'last_edited_by': request.user,
'last_activity_at': edited_at,
'last_activity_by': request.user,
'tagnames': form.cleaned_data['tags'],
'summary': strip_tags(html)[:120],
'html': html,
}
# only save when it's checked
# because wiki doesn't allow to be edited if last version has been enabled already
# and we make sure this in forms.
if ('wiki' in form.cleaned_data and
form.cleaned_data['wiki']):
updated_fields['wiki'] = True
updated_fields['wikified_at'] = edited_at
Question.objects.filter(
id=question.id).update(**updated_fields)
# Update the Question's tag associations
if tags_changed:
tags_updated = Question.objects.update_tags(
question, form.cleaned_data['tags'], request.user)
# Create a new revision
revision = QuestionRevision(
question = question,
title = form.cleaned_data['title'],
author = request.user,
revised_at = edited_at,
tagnames = form.cleaned_data['tags'],
text = form.cleaned_data['text'],
)
if form.cleaned_data['summary']:
revision.summary = form.cleaned_data['summary']
else:
revision.summary = 'No.%s Revision' % latest_revision.revision
revision.save()
return HttpResponseRedirect(question.get_absolute_url())
else:
revision_form = RevisionForm(question, latest_revision)
form = EditQuestionForm(question, latest_revision)
return render_to_response('question_edit.html', {
'question': question,
'revision_form': revision_form,
'form' : form,
'tags' : _get_tags_cache_json()
}, context_instance=RequestContext(request))
@login_required
def edit_answer(request, id):
answer = get_object_or_404(Answer, id=id)
if answer.deleted and not can_view_deleted_post(request.user, answer):
raise Http404
elif not can_edit_post(request.user, answer):
raise Http404
else:
latest_revision = answer.get_latest_revision()
if request.method == "POST":
if 'select_revision' in request.POST:
# user has changed revistion number
revision_form = RevisionForm(answer, latest_revision, request.POST)
if revision_form.is_valid():
# Replace with those from the selected revision
form = EditAnswerForm(answer,
AnswerRevision.objects.get(answer=answer,
revision=revision_form.cleaned_data['revision']))
else:
form = EditAnswerForm(answer, latest_revision, request.POST)
else:
form = EditAnswerForm(answer, latest_revision, request.POST)
if form.is_valid():
html = sanitize_html(markdowner.convert(form.cleaned_data['text']))
if form.has_changed():
edited_at = datetime.datetime.now()
updated_fields = {
'last_edited_at': edited_at,
'last_edited_by': request.user,
'html': html,
}
Answer.objects.filter(id=answer.id).update(**updated_fields)
revision = AnswerRevision(
answer = answer,
author = request.user,
revised_at = edited_at,
text = form.cleaned_data['text']
)
if form.cleaned_data['summary']:
revision.summary = form.cleaned_data['summary']
else:
revision.summary = 'No.%s Revision' % latest_revision.revision
revision.save()
answer.question.last_activity_at = edited_at
answer.question.last_activity_by = request.user
answer.question.save()
return HttpResponseRedirect(answer.get_absolute_url())
else:
revision_form = RevisionForm(answer, latest_revision)
form = EditAnswerForm(answer, latest_revision)
return render_to_response('answer_edit.html', {
'answer': answer,
'revision_form': revision_form,
'form' : form,
}, context_instance=RequestContext(request))
QUESTION_REVISION_TEMPLATE = ('%(title)s
\n'
'%(html)s
\n'
'%(tags)s
')
def question_revisions(request, id):
post = get_object_or_404(Question, id=id)
revisions = list(post.revisions.all())
for i, revision in enumerate(revisions):
revision.html = QUESTION_REVISION_TEMPLATE % {
'title': revision.title,
'html': sanitize_html(markdowner.convert(revision.text)),
'tags': ' '.join(['%s' % tag
for tag in revision.tagnames.split(' ')]),
}
if i > 0:
revisions[i - 1].diff = htmldiff(revision.html,
revisions[i - 1].html)
else:
revisions[i - 1].diff = QUESTION_REVISION_TEMPLATE % {
'title': revisions[0].title,
'html': sanitize_html(markdowner.convert(revisions[0].text)),
'tags': ' '.join(['%s' % tag
for tag in revisions[0].tagnames.split(' ')]),
}
revisions[i - 1].summary = None
return render_to_response('revisions_question.html', {
'post': post,
'revisions': revisions,
}, context_instance=RequestContext(request))
ANSWER_REVISION_TEMPLATE = ('%(html)s
')
def answer_revisions(request, id):
post = get_object_or_404(Answer, id=id)
revisions = list(post.revisions.all())
for i, revision in enumerate(revisions):
revision.html = ANSWER_REVISION_TEMPLATE % {
'html': sanitize_html(markdowner.convert(revision.text))
}
if i > 0:
revisions[i - 1].diff = htmldiff(revision.html,
revisions[i - 1].html)
else:
revisions[i - 1].diff = revisions[i-1].text
revisions[i - 1].summary = None
return render_to_response('revisions_answer.html', {
'post': post,
'revisions': revisions,
}, context_instance=RequestContext(request))
def answer(request, id):
question = get_object_or_404(Question, id=id)
if request.method == "POST":
form = AnswerForm(question, request.user, request.POST)
if form.is_valid():
wiki = form.cleaned_data['wiki']
text = form.cleaned_data['text']
update_time = datetime.datetime.now()
if request.user.is_authenticated():
create_new_answer(
question=question,
author=request.user,
added_at=update_time,
wiki=wiki,
text=text,
email_notify=form.cleaned_data['email_notify']
)
else:
request.session.flush()
html = sanitize_html(markdowner.convert(text))
summary = strip_tags(html)[:120]
anon = AnonymousAnswer(
question = question,
wiki = wiki,
text = text,
summary = summary,
session_key = request.session.session_key,
ip_addr = request.META['REMOTE_ADDR'],
)
anon.save()
return HttpResponseRedirect('/%s%s%s' % ( _('account/'),
_('signin/'),_('newquestion/')))
return HttpResponseRedirect(question.get_absolute_url())
def tags(request):
stag = ""
is_paginated = True
sortby = request.GET.get('sort', 'used')
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
if request.method == "GET":
stag = request.GET.get("q", "").strip()
if stag is not None:
objects_list = Paginator(Tag.objects.filter(deleted=False).exclude(used_count=0).extra(where=['name like %s'], params=['%' + stag + '%']), DEFAULT_PAGE_SIZE)
else:
if sortby == "name":
objects_list = Paginator(Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("name"), DEFAULT_PAGE_SIZE)
else:
objects_list = Paginator(Tag.objects.all().filter(deleted=False).exclude(used_count=0).order_by("-used_count"), DEFAULT_PAGE_SIZE)
try:
tags = objects_list.page(page)
except (EmptyPage, InvalidPage):
tags = objects_list.page(objects_list.num_pages)
return render_to_response('tags.html', {
"tags" : tags,
"stag" : stag,
"tab_id" : sortby,
"keywords" : stag,
"context" : {
'is_paginated' : is_paginated,
'pages': objects_list.num_pages,
'page': page,
'has_previous': tags.has_previous(),
'has_next': tags.has_next(),
'previous': tags.previous_page_number(),
'next': tags.next_page_number(),
'base_url' : '/%s?sort=%s&' % (_('tags/'), sortby)
}
}, context_instance=RequestContext(request))
def tag(request, tag):
return questions(request, tagname=tag)
def vote(request, id):
"""
vote_type:
acceptAnswer : 0,
questionUpVote : 1,
questionDownVote : 2,
favorite : 4,
answerUpVote: 5,
answerDownVote:6,
offensiveQuestion : 7,
offensiveAnswer:8,
removeQuestion: 9,
removeAnswer:10
questionSubscribeUpdates:11
accept answer code:
response_data['allowed'] = -1, Accept his own answer 0, no allowed - Anonymous 1, Allowed - by default
response_data['success'] = 0, failed 1, Success - by default
response_data['status'] = 0, By default 1, Answer has been accepted already(Cancel)
vote code:
allowed = -3, Don't have enough votes left
-2, Don't have enough reputation score
-1, Vote his own post
0, no allowed - Anonymous
1, Allowed - by default
status = 0, By default
1, Cancel
2, Vote is too old to be canceled
offensive code:
allowed = -3, Don't have enough flags left
-2, Don't have enough reputation score to do this
0, not allowed
1, allowed
status = 0, by default
1, can't do it again
"""
response_data = {
"allowed": 1,
"success": 1,
"status" : 0,
"count" : 0,
"message" : ''
}
def can_vote(vote_score, user):
if vote_score == 1:
return can_vote_up(request.user)
else:
return can_vote_down(request.user)
try:
if not request.user.is_authenticated():
response_data['allowed'] = 0
response_data['success'] = 0
elif request.is_ajax():
question = get_object_or_404(Question, id=id)
vote_type = request.POST.get('type')
#accept answer
if vote_type == '0':
answer_id = request.POST.get('postId')
answer = get_object_or_404(Answer, id=answer_id)
# make sure question author is current user
if question.author == request.user:
# answer user who is also question author is not allow to accept answer
if answer.author == question.author:
response_data['success'] = 0
response_data['allowed'] = -1
# check if answer has been accepted already
elif answer.accepted:
onAnswerAcceptCanceled(answer, request.user)
response_data['status'] = 1
else:
# set other answers in this question not accepted first
for answer_of_question in Answer.objects.get_answers_from_question(question, request.user):
if answer_of_question != answer and answer_of_question.accepted:
onAnswerAcceptCanceled(answer_of_question, request.user)
#make sure retrieve data again after above author changes, they may have related data
answer = get_object_or_404(Answer, id=answer_id)
onAnswerAccept(answer, request.user)
else:
response_data['allowed'] = 0
response_data['success'] = 0
# favorite
elif vote_type == '4':
has_favorited = False
fav_questions = FavoriteQuestion.objects.filter(question=question)
# if the same question has been favorited before, then delete it
if fav_questions is not None:
for item in fav_questions:
if item.user == request.user:
item.delete()
response_data['status'] = 1
response_data['count'] = len(fav_questions) - 1
if response_data['count'] < 0:
response_data['count'] = 0
has_favorited = True
# if above deletion has not been executed, just insert a new favorite question
if not has_favorited:
new_item = FavoriteQuestion(question=question, user=request.user)
new_item.save()
response_data['count'] = FavoriteQuestion.objects.filter(question=question).count()
Question.objects.update_favorite_count(question)
elif vote_type in ['1', '2', '5', '6']:
post_id = id
post = question
vote_score = 1
if vote_type in ['5', '6']:
answer_id = request.POST.get('postId')
answer = get_object_or_404(Answer, id=answer_id)
post_id = answer_id
post = answer
if vote_type in ['2', '6']:
vote_score = -1
if post.author == request.user:
response_data['allowed'] = -1
elif not can_vote(vote_score, request.user):
response_data['allowed'] = -2
elif post.votes.filter(user=request.user).count() > 0:
vote = post.votes.filter(user=request.user)[0]
# unvote should be less than certain time
if (datetime.datetime.now().day - vote.voted_at.day) >= VOTE_RULES['scope_deny_unvote_days']:
response_data['status'] = 2
else:
voted = vote.vote
if voted > 0:
# cancel upvote
onUpVotedCanceled(vote, post, request.user)
else:
# cancel downvote
onDownVotedCanceled(vote, post, request.user)
response_data['status'] = 1
response_data['count'] = post.score
elif Vote.objects.get_votes_count_today_from_user(request.user) >= VOTE_RULES['scope_votes_per_user_per_day']:
response_data['allowed'] = -3
else:
vote = Vote(user=request.user, content_object=post, vote=vote_score, voted_at=datetime.datetime.now())
if vote_score > 0:
# upvote
onUpVoted(vote, post, request.user)
else:
# downvote
onDownVoted(vote, post, request.user)
votes_left = VOTE_RULES['scope_votes_per_user_per_day'] - Vote.objects.get_votes_count_today_from_user(request.user)
if votes_left <= VOTE_RULES['scope_warn_votes_left']:
response_data['message'] = u'%s votes left' % votes_left
response_data['count'] = post.score
elif vote_type in ['7', '8']:
post = question
post_id = id
if vote_type == '8':
post_id = request.POST.get('postId')
post = get_object_or_404(Answer, id=post_id)
if FlaggedItem.objects.get_flagged_items_count_today(request.user) >= VOTE_RULES['scope_flags_per_user_per_day']:
response_data['allowed'] = -3
elif not can_flag_offensive(request.user):
response_data['allowed'] = -2
elif post.flagged_items.filter(user=request.user).count() > 0:
response_data['status'] = 1
else:
item = FlaggedItem(user=request.user, content_object=post, flagged_at=datetime.datetime.now())
onFlaggedItem(item, post, request.user)
response_data['count'] = post.offensive_flag_count
# send signal when question or answer be marked offensive
mark_offensive.send(sender=post.__class__, instance=post, mark_by=request.user)
elif vote_type in ['9', '10']:
post = question
post_id = id
if vote_type == '10':
post_id = request.POST.get('postId')
post = get_object_or_404(Answer, id=post_id)
if not can_delete_post(request.user, post):
response_data['allowed'] = -2
elif post.deleted:
onDeleteCanceled(post, request.user)
response_data['status'] = 1
else:
onDeleted(post, request.user)
delete_post_or_answer.send(sender=post.__class__, instance=post, delete_by=request.user)
elif vote_type == '11':#subscribe q updates
user = request.user
if user.is_authenticated():
try:
EmailFeed.objects.get(feed_id=question.id,subscriber_id=user.id,feed_content_type=question_type)
except EmailFeed.DoesNotExist:
feed = EmailFeed(subscriber=user,content=question)
feed.save()
if settings.EMAIL_VALIDATION == 'on' and user.email_isvalid == False:
response_data['message'] = _('subscription saved, %(email)s needs validation') % {'email':user.email}
#response_data['status'] = 1
#responst_data['allowed'] = 1
else:
pass
#response_data['status'] = 0
#response_data['allowed'] = 0
elif vote_type == '12':#unsubscribe q updates
user = request.user
if user.is_authenticated():
try:
feed = EmailFeed.objects.get(feed_id=question.id,subscriber_id=user.id)
feed.delete()
except EmailFeed.DoesNotExist:
pass
else:
response_data['success'] = 0
response_data['message'] = u'Request mode is not supported. Please try again.'
data = simplejson.dumps(response_data)
except Exception, e:
response_data['message'] = str(e)
data = simplejson.dumps(response_data)
return HttpResponse(data, mimetype="application/json")
def users(request):
is_paginated = True
sortby = request.GET.get('sort', 'reputation')
suser = request.REQUEST.get('q', "")
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
if suser == "":
if sortby == "newest":
objects_list = Paginator(User.objects.all().order_by('-date_joined'), USERS_PAGE_SIZE)
elif sortby == "last":
objects_list = Paginator(User.objects.all().order_by('date_joined'), USERS_PAGE_SIZE)
elif sortby == "user":
objects_list = Paginator(User.objects.all().order_by('username'), USERS_PAGE_SIZE)
# default
else:
objects_list = Paginator(User.objects.all().order_by('-reputation'), USERS_PAGE_SIZE)
base_url = '/%s?sort=%s&' % (_('users/'), sortby)
else:
sortby = "reputation"
objects_list = Paginator(User.objects.extra(where=['username like %s'], params=['%' + suser + '%']).order_by('-reputation'), USERS_PAGE_SIZE)
base_url = '/%s?name=%s&sort=%s&' % (_('users/'), suser, sortby)
try:
users = objects_list.page(page)
except (EmptyPage, InvalidPage):
users = objects_list.page(objects_list.num_pages)
return render_to_response('users.html', {
"users" : users,
"suser" : suser,
"keywords" : suser,
"tab_id" : sortby,
"context" : {
'is_paginated' : is_paginated,
'pages': objects_list.num_pages,
'page': page,
'has_previous': users.has_previous(),
'has_next': users.has_next(),
'previous': users.previous_page_number(),
'next': users.next_page_number(),
'base_url' : base_url
}
}, context_instance=RequestContext(request))
def user(request, id):
sort = request.GET.get('sort', 'stats')
user_view = dict((v.id, v) for v in USER_TEMPLATE_VIEWS).get(sort, USER_TEMPLATE_VIEWS[0])
from forum import views
func = getattr(views, user_view.view_name)
return func(request, id, user_view)
@login_required
def edit_user(request, id):
user = get_object_or_404(User, id=id)
if request.user != user:
raise Http404
if request.method == "POST":
form = EditUserForm(user, request.POST)
if form.is_valid():
new_email = sanitize_html(form.cleaned_data['email'])
from django_authopenid.views import set_new_email
set_new_email(user, new_email)
user.real_name = sanitize_html(form.cleaned_data['realname'])
user.website = sanitize_html(form.cleaned_data['website'])
user.location = sanitize_html(form.cleaned_data['city'])
user.date_of_birth = sanitize_html(form.cleaned_data['birthday'])
if len(user.date_of_birth) == 0:
user.date_of_birth = '1900-01-01'
user.about = sanitize_html(form.cleaned_data['about'])
user.save()
# send user updated singal if full fields have been updated
if user.email and user.real_name and user.website and user.location and \
user.date_of_birth and user.about:
user_updated.send(sender=user.__class__, instance=user, updated_by=user)
return HttpResponseRedirect(user.get_profile_url())
else:
form = EditUserForm(user)
return render_to_response('user_edit.html', {
'form' : form,
}, context_instance=RequestContext(request))
def user_stats(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
questions = Question.objects.extra(
select={
'vote_count' : 'question.score',
'favorited_myself' : 'SELECT count(*) FROM favorite_question f WHERE f.user_id = %s AND f.question_id = question.id',
'la_user_id' : 'auth_user.id',
'la_username' : 'auth_user.username',
'la_user_gold' : 'auth_user.gold',
'la_user_silver' : 'auth_user.silver',
'la_user_bronze' : 'auth_user.bronze',
'la_user_reputation' : 'auth_user.reputation'
},
select_params=[user_id],
tables=['question', 'auth_user'],
where=['question.deleted = 0 AND question.author_id=%s AND question.last_activity_by_id = auth_user.id'],
params=[user_id],
order_by=['-vote_count', '-last_activity_at']
).values('vote_count',
'favorited_myself',
'id',
'title',
'author_id',
'added_at',
'answer_accepted',
'answer_count',
'comment_count',
'view_count',
'favourite_count',
'summary',
'tagnames',
'vote_up_count',
'vote_down_count',
'last_activity_at',
'la_user_id',
'la_username',
'la_user_gold',
'la_user_silver',
'la_user_bronze',
'la_user_reputation')[:100]
answered_questions = Question.objects.extra(
select={
'vote_up_count' : 'answer.vote_up_count',
'vote_down_count' : 'answer.vote_down_count',
'answer_id' : 'answer.id',
'accepted' : 'answer.accepted',
'vote_count' : 'answer.score',
'comment_count' : 'answer.comment_count'
},
tables=['question', 'answer'],
where=['answer.deleted=0 AND answer.author_id=%s AND answer.question_id=question.id'],
params=[user_id],
order_by=['-vote_count', '-answer_id'],
select_params=[user_id]
).distinct().values('comment_count',
'id',
'answer_id',
'title',
'author_id',
'accepted',
'vote_count',
'answer_count',
'vote_up_count',
'vote_down_count')[:100]
up_votes = Vote.objects.get_up_vote_count_from_user(user)
down_votes = Vote.objects.get_down_vote_count_from_user(user)
votes_today = Vote.objects.get_votes_count_today_from_user(user)
votes_total = VOTE_RULES['scope_votes_per_user_per_day']
tags = user.created_tags.all().order_by('-used_count')[:50]
if settings.DJANGO_VERSION < 1.1:
awards = Award.objects.extra(
select={'id': 'badge.id', 'count': 'count(badge_id)', 'name':'badge.name', 'description': 'badge.description', 'type': 'badge.type'},
tables=['award', 'badge'],
order_by=['-awarded_at'],
where=['user_id=%s AND badge_id=badge.id'],
params=[user.id]
).values('id', 'count', 'name', 'description', 'type')
total_awards = awards.count()
awards.query.group_by = ['badge_id']
else:
awards = Award.objects.extra(
select={'id': 'badge.id', 'name':'badge.name', 'description': 'badge.description', 'type': 'badge.type'},
tables=['award', 'badge'],
order_by=['-awarded_at'],
where=['user_id=%s AND badge_id=badge.id'],
params=[user.id]
).values('id', 'name', 'description', 'type')
total_awards = awards.count()
#fixed to work with Django version < 1.1
try:
from django.db.models import Count
awards = awards.annotate(count = Count('badge__id'))
except:
pass
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
"questions" : questions,
"answered_questions" : answered_questions,
"up_votes" : up_votes,
"down_votes" : down_votes,
"total_votes": up_votes + down_votes,
"votes_today_left": votes_total-votes_today,
"votes_total_per_day": votes_total,
"tags" : tags,
"awards": awards,
"total_awards" : total_awards,
}, context_instance=RequestContext(request))
def user_recent(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
def get_type_name(type_id):
for item in TYPE_ACTIVITY:
if type_id in item:
return item[1]
class Event:
def __init__(self, time, type, title, summary, answer_id, question_id):
self.time = time
self.type = get_type_name(type)
self.type_id = type
self.title = title
self.summary = summary
slug_title = slugify(title)
if int(answer_id) > 0:
self.title_link = u'/%s%s/%s#%s' %(_('questions/'),question_id, slug_title, answer_id)
else:
self.title_link = u'/%s%s/%s' %(_('questions/'),question_id, slug_title)
class AwardEvent:
def __init__(self, time, type, id):
self.time = time
self.type = get_type_name(type)
self.type_id = type
self.badge = get_object_or_404(Badge, id=id)
activities = []
# ask questions
questions = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'active_at' : 'activity.active_at',
'activity_type' : 'activity.activity_type'
},
tables=['activity', 'question'],
where=['activity.content_type_id = %s AND activity.object_id = ' +
'question.id AND activity.user_id = %s AND activity.activity_type = %s'],
params=[question_type_id, user_id, TYPE_ACTIVITY_ASK_QUESTION],
order_by=['-activity.active_at']
).values(
'title',
'question_id',
'active_at',
'activity_type'
)
if len(questions) > 0:
questions = [(Event(q['active_at'], q['activity_type'], q['title'], '', '0', \
q['question_id'])) for q in questions]
activities.extend(questions)
# answers
answers = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'active_at' : 'activity.active_at',
'activity_type' : 'activity.activity_type'
},
tables=['activity', 'answer', 'question'],
where=['activity.content_type_id = %s AND activity.object_id = answer.id AND ' +
'answer.question_id=question.id AND activity.user_id=%s AND activity.activity_type=%s'],
params=[answer_type_id, user_id, TYPE_ACTIVITY_ANSWER],
order_by=['-activity.active_at']
).values(
'title',
'question_id',
'answer_id',
'active_at',
'activity_type'
)
if len(answers) > 0:
answers = [(Event(q['active_at'], q['activity_type'], q['title'], '', q['answer_id'], \
q['question_id'])) for q in answers]
activities.extend(answers)
# question comments
comments = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'comment.object_id',
'added_at' : 'comment.added_at',
'activity_type' : 'activity.activity_type'
},
tables=['activity', 'question', 'comment'],
where=['activity.content_type_id = %s AND activity.object_id = comment.id AND '+
'activity.user_id = comment.user_id AND comment.object_id=question.id AND '+
'comment.content_type_id=%s AND activity.user_id = %s AND activity.activity_type=%s'],
params=[comment_type_id, question_type_id, user_id, TYPE_ACTIVITY_COMMENT_QUESTION],
order_by=['-comment.added_at']
).values(
'title',
'question_id',
'added_at',
'activity_type'
)
if len(comments) > 0:
comments = [(Event(q['added_at'], q['activity_type'], q['title'], '', '0', \
q['question_id'])) for q in comments]
activities.extend(comments)
# answer comments
comments = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'added_at' : 'comment.added_at',
'activity_type' : 'activity.activity_type'
},
tables=['activity', 'question', 'answer', 'comment'],
where=['activity.content_type_id = %s AND activity.object_id = comment.id AND '+
'activity.user_id = comment.user_id AND comment.object_id=answer.id AND '+
'comment.content_type_id=%s AND question.id = answer.question_id AND '+
'activity.user_id = %s AND activity.activity_type=%s'],
params=[comment_type_id, answer_type_id, user_id, TYPE_ACTIVITY_COMMENT_ANSWER],
order_by=['-comment.added_at']
).values(
'title',
'question_id',
'answer_id',
'added_at',
'activity_type'
)
if len(comments) > 0:
comments = [(Event(q['added_at'], q['activity_type'], q['title'], '', q['answer_id'], \
q['question_id'])) for q in comments]
activities.extend(comments)
# question revisions
revisions = Activity.objects.extra(
select={
'title' : 'question_revision.title',
'question_id' : 'question_revision.question_id',
'added_at' : 'activity.active_at',
'activity_type' : 'activity.activity_type',
'summary' : 'question_revision.summary'
},
tables=['activity', 'question_revision'],
where=['activity.content_type_id = %s AND activity.object_id = question_revision.id AND '+
'activity.user_id = question_revision.author_id AND activity.user_id = %s AND '+
'activity.activity_type=%s'],
params=[question_revision_type_id, user_id, TYPE_ACTIVITY_UPDATE_QUESTION],
order_by=['-activity.active_at']
).values(
'title',
'question_id',
'added_at',
'activity_type',
'summary'
)
if len(revisions) > 0:
revisions = [(Event(q['added_at'], q['activity_type'], q['title'], q['summary'], '0', \
q['question_id'])) for q in revisions]
activities.extend(revisions)
# answer revisions
revisions = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'added_at' : 'activity.active_at',
'activity_type' : 'activity.activity_type',
'summary' : 'answer_revision.summary'
},
tables=['activity', 'answer_revision', 'question', 'answer'],
where=['activity.content_type_id = %s AND activity.object_id = answer_revision.id AND '+
'activity.user_id = answer_revision.author_id AND activity.user_id = %s AND '+
'answer_revision.answer_id=answer.id AND answer.question_id = question.id AND '+
'activity.activity_type=%s'],
params=[answer_revision_type_id, user_id, TYPE_ACTIVITY_UPDATE_ANSWER],
order_by=['-activity.active_at']
).values(
'title',
'question_id',
'added_at',
'answer_id',
'activity_type',
'summary'
)
if len(revisions) > 0:
revisions = [(Event(q['added_at'], q['activity_type'], q['title'], q['summary'], \
q['answer_id'], q['question_id'])) for q in revisions]
activities.extend(revisions)
# accepted answers
accept_answers = Activity.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'added_at' : 'activity.active_at',
'activity_type' : 'activity.activity_type',
},
tables=['activity', 'answer', 'question'],
where=['activity.content_type_id = %s AND activity.object_id = answer.id AND '+
'activity.user_id = question.author_id AND activity.user_id = %s AND '+
'answer.question_id=question.id AND activity.activity_type=%s'],
params=[answer_type_id, user_id, TYPE_ACTIVITY_MARK_ANSWER],
order_by=['-activity.active_at']
).values(
'title',
'question_id',
'added_at',
'activity_type',
)
if len(accept_answers) > 0:
accept_answers = [(Event(q['added_at'], q['activity_type'], q['title'], '', '0', \
q['question_id'])) for q in accept_answers]
activities.extend(accept_answers)
#award history
awards = Activity.objects.extra(
select={
'badge_id' : 'badge.id',
'awarded_at': 'award.awarded_at',
'activity_type' : 'activity.activity_type'
},
tables=['activity', 'award', 'badge'],
where=['activity.user_id = award.user_id AND activity.user_id = %s AND '+
'award.badge_id=badge.id AND activity.object_id=award.id AND activity.activity_type=%s'],
params=[user_id, TYPE_ACTIVITY_PRIZE],
order_by=['-activity.active_at']
).values(
'badge_id',
'awarded_at',
'activity_type'
)
if len(awards) > 0:
awards = [(AwardEvent(q['awarded_at'], q['activity_type'], q['badge_id'])) for q in awards]
activities.extend(awards)
activities.sort(lambda x,y: cmp(y.time, x.time))
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
"activities" : activities[:user_view.data_size]
}, context_instance=RequestContext(request))
def user_responses(request, user_id, user_view):
"""
We list answers for question, comments, and answer accepted by others for this user.
"""
class Response:
def __init__(self, type, title, question_id, answer_id, time, username, user_id, content):
self.type = type
self.title = title
self.titlelink = u'/%s%s/%s#%s' % (_('questions/'), question_id, title, answer_id)
self.time = time
self.userlink = u'/%s%s/%s/' % (_('users/'), user_id, username)
self.username = username
self.content = u'%s ...' % strip_tags(content)[:300]
def __unicode__(self):
return u'%s %s' % (self.type, self.titlelink)
user = get_object_or_404(User, id=user_id)
responses = []
answers = Answer.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'added_at' : 'answer.added_at',
'html' : 'answer.html',
'username' : 'auth_user.username',
'user_id' : 'auth_user.id'
},
select_params=[user_id],
tables=['answer', 'question', 'auth_user'],
where=['answer.question_id = question.id AND answer.deleted=0 AND question.deleted = 0 AND '+
'question.author_id = %s AND answer.author_id <> %s AND answer.author_id=auth_user.id'],
params=[user_id, user_id],
order_by=['-answer.id']
).values(
'title',
'question_id',
'answer_id',
'added_at',
'html',
'username',
'user_id'
)
if len(answers) > 0:
answers = [(Response(TYPE_RESPONSE['QUESTION_ANSWERED'], a['title'], a['question_id'],
a['answer_id'], a['added_at'], a['username'], a['user_id'], a['html'])) for a in answers]
responses.extend(answers)
# question comments
comments = Comment.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'comment.object_id',
'added_at' : 'comment.added_at',
'comment' : 'comment.comment',
'username' : 'auth_user.username',
'user_id' : 'auth_user.id'
},
tables=['question', 'auth_user', 'comment'],
where=['question.deleted = 0 AND question.author_id = %s AND comment.object_id=question.id AND '+
'comment.content_type_id=%s AND comment.user_id <> %s AND comment.user_id = auth_user.id'],
params=[user_id, question_type_id, user_id],
order_by=['-comment.added_at']
).values(
'title',
'question_id',
'added_at',
'comment',
'username',
'user_id'
)
if len(comments) > 0:
comments = [(Response(TYPE_RESPONSE['QUESTION_COMMENTED'], c['title'], c['question_id'],
'', c['added_at'], c['username'], c['user_id'], c['comment'])) for c in comments]
responses.extend(comments)
# answer comments
comments = Comment.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'added_at' : 'comment.added_at',
'comment' : 'comment.comment',
'username' : 'auth_user.username',
'user_id' : 'auth_user.id'
},
tables=['answer', 'auth_user', 'comment', 'question'],
where=['answer.deleted = 0 AND answer.author_id = %s AND comment.object_id=answer.id AND '+
'comment.content_type_id=%s AND comment.user_id <> %s AND comment.user_id = auth_user.id '+
'AND question.id = answer.question_id'],
params=[user_id, answer_type_id, user_id],
order_by=['-comment.added_at']
).values(
'title',
'question_id',
'answer_id',
'added_at',
'comment',
'username',
'user_id'
)
if len(comments) > 0:
comments = [(Response(TYPE_RESPONSE['ANSWER_COMMENTED'], c['title'], c['question_id'],
c['answer_id'], c['added_at'], c['username'], c['user_id'], c['comment'])) for c in comments]
responses.extend(comments)
# answer has been accepted
answers = Answer.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'added_at' : 'answer.accepted_at',
'html' : 'answer.html',
'username' : 'auth_user.username',
'user_id' : 'auth_user.id'
},
select_params=[user_id],
tables=['answer', 'question', 'auth_user'],
where=['answer.question_id = question.id AND answer.deleted=0 AND question.deleted = 0 AND '+
'answer.author_id = %s AND answer.accepted=1 AND question.author_id=auth_user.id'],
params=[user_id],
order_by=['-answer.id']
).values(
'title',
'question_id',
'answer_id',
'added_at',
'html',
'username',
'user_id'
)
if len(answers) > 0:
answers = [(Response(TYPE_RESPONSE['ANSWER_ACCEPTED'], a['title'], a['question_id'],
a['answer_id'], a['added_at'], a['username'], a['user_id'], a['html'])) for a in answers]
responses.extend(answers)
# sort posts by time
responses.sort(lambda x,y: cmp(y.time, x.time))
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
"responses" : responses[:user_view.data_size],
}, context_instance=RequestContext(request))
def user_votes(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
if not can_view_user_votes(request.user, user):
raise Http404
votes = []
question_votes = Vote.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 0,
'voted_at' : 'vote.voted_at',
'vote' : 'vote',
},
select_params=[user_id],
tables=['vote', 'question', 'auth_user'],
where=['vote.content_type_id = %s AND vote.user_id = %s AND vote.object_id = question.id '+
'AND vote.user_id=auth_user.id'],
params=[question_type_id, user_id],
order_by=['-vote.id']
).values(
'title',
'question_id',
'answer_id',
'voted_at',
'vote',
)
if(len(question_votes) > 0):
votes.extend(question_votes)
answer_votes = Vote.objects.extra(
select={
'title' : 'question.title',
'question_id' : 'question.id',
'answer_id' : 'answer.id',
'voted_at' : 'vote.voted_at',
'vote' : 'vote',
},
select_params=[user_id],
tables=['vote', 'answer', 'question', 'auth_user'],
where=['vote.content_type_id = %s AND vote.user_id = %s AND vote.object_id = answer.id '+
'AND answer.question_id = question.id AND vote.user_id=auth_user.id'],
params=[answer_type_id, user_id],
order_by=['-vote.id']
).values(
'title',
'question_id',
'answer_id',
'voted_at',
'vote',
)
if(len(answer_votes) > 0):
votes.extend(answer_votes)
votes.sort(lambda x,y: cmp(y['voted_at'], x['voted_at']))
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
"votes" : votes[:user_view.data_size]
}, context_instance=RequestContext(request))
def user_reputation(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
reputation = Repute.objects.extra(
select={'positive': 'sum(positive)', 'negative': 'sum(negative)', 'question_id':'question_id',
'title': 'question.title'},
tables=['repute', 'question'],
order_by=['-reputed_at'],
where=['user_id=%s AND question_id=question.id'],
params=[user.id]
).values('positive', 'negative', 'question_id', 'title', 'reputed_at', 'reputation')
reputation.query.group_by = ['question_id']
rep_list = []
for rep in Repute.objects.filter(user=user).order_by('reputed_at'):
dic = '[%s,%s]' % (calendar.timegm(rep.reputed_at.timetuple()) * 1000, rep.reputation)
rep_list.append(dic)
reps = ','.join(rep_list)
reps = '[%s]' % reps
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
"reputation" : reputation,
"reps" : reps
}, context_instance=RequestContext(request))
def user_favorites(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
questions = Question.objects.extra(
select={
'vote_count' : 'question.vote_up_count + question.vote_down_count',
'favorited_myself' : 'SELECT count(*) FROM favorite_question f WHERE f.user_id = %s '+
'AND f.question_id = question.id',
'la_user_id' : 'auth_user.id',
'la_username' : 'auth_user.username',
'la_user_gold' : 'auth_user.gold',
'la_user_silver' : 'auth_user.silver',
'la_user_bronze' : 'auth_user.bronze',
'la_user_reputation' : 'auth_user.reputation'
},
select_params=[user_id],
tables=['question', 'auth_user', 'favorite_question'],
where=['question.deleted = 0 AND question.last_activity_by_id = auth_user.id '+
'AND favorite_question.question_id = question.id AND favorite_question.user_id = %s'],
params=[user_id],
order_by=['-vote_count', '-question.id']
).values('vote_count',
'favorited_myself',
'id',
'title',
'author_id',
'added_at',
'answer_accepted',
'answer_count',
'comment_count',
'view_count',
'favourite_count',
'summary',
'tagnames',
'vote_up_count',
'vote_down_count',
'last_activity_at',
'la_user_id',
'la_username',
'la_user_gold',
'la_user_silver',
'la_user_bronze',
'la_user_reputation')
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"questions" : questions[:user_view.data_size],
"view_user" : user
}, context_instance=RequestContext(request))
def user_preferences(request, user_id, user_view):
user = get_object_or_404(User, id=user_id)
return render_to_response(user_view.template_file,{
"tab_name" : user_view.id,
"tab_description" : user_view.tab_description,
"page_title" : user_view.page_title,
"view_user" : user,
}, context_instance=RequestContext(request))
def question_comments(request, id):
question = get_object_or_404(Question, id=id)
user = request.user
return __comments(request, question, 'question', user)
def answer_comments(request, id):
answer = get_object_or_404(Answer, id=id)
user = request.user
return __comments(request, answer, 'answer', user)
def __comments(request, obj, type, user):
# only support get comments by ajax now
if request.is_ajax():
if request.method == "GET":
return __generate_comments_json(obj, type, user)
elif request.method == "POST":
comment_data = request.POST.get('comment')
comment = Comment(content_object=obj, comment=comment_data, user=request.user)
comment.save()
obj.comment_count = obj.comment_count + 1
obj.save()
return __generate_comments_json(obj, type, user)
def __generate_comments_json(obj, type, user):
comments = obj.comments.all().order_by('-id')
# {"Id":6,"PostId":38589,"CreationDate":"an hour ago","Text":"hello there!","UserDisplayName":"Jarrod Dixon","UserUrl":"/users/3/jarrod-dixon","DeleteUrl":null}
json_comments = []
for comment in comments:
comment_user = comment.user
delete_url = ""
if user != None and auth.can_delete_comment(user, comment):
#/posts/392845/comments/219852/delete
delete_url = "/" + type + "s/%s/comments/%s/delete/" % (obj.id, comment.id)
json_comments.append({"id" : comment.id,
"object_id" : obj.id,
"add_date" : comment.added_at.strftime('%Y-%m-%d'),
"text" : comment.comment,
"user_display_name" : comment_user.username,
"user_url" : "/%s%s/%s" % (_('users/'), comment_user.id, comment_user.username),
"delete_url" : delete_url
})
data = simplejson.dumps(json_comments)
return HttpResponse(data, mimetype="application/json")
def delete_question_comment(request, question_id, comment_id):
if request.is_ajax():
question = get_object_or_404(Question, id=question_id)
comment = get_object_or_404(Comment, id=comment_id)
question.comments.remove(comment)
question.comment_count = question.comment_count - 1
question.save()
user = request.user
return __generate_comments_json(question, 'question', user)
def delete_answer_comment(request, answer_id, comment_id):
if request.is_ajax():
answer = get_object_or_404(Answer, id=answer_id)
comment = get_object_or_404(Comment, id=comment_id)
answer.comments.remove(comment)
answer.comment_count = answer.comment_count - 1
answer.save()
user = request.user
return __generate_comments_json(answer, 'answer', user)
def logout(request):
url = request.GET.get('next')
return render_to_response('logout.html', {
'next' : url,
}, context_instance=RequestContext(request))
def badges(request):
badges = Badge.objects.all().order_by('type')
my_badges = []
if request.user.is_authenticated():
my_badges = Award.objects.filter(user=request.user)
my_badges.query.group_by = ['badge_id']
return render_to_response('badges.html', {
'badges' : badges,
'mybadges' : my_badges,
}, context_instance=RequestContext(request))
def badge(request, id):
badge = get_object_or_404(Badge, id=id)
awards = Award.objects.extra(
select={'id': 'auth_user.id',
'name': 'auth_user.username',
'rep':'auth_user.reputation',
'gold': 'auth_user.gold',
'silver': 'auth_user.silver',
'bronze': 'auth_user.bronze'},
tables=['award', 'auth_user'],
where=['badge_id=%s AND user_id=auth_user.id'],
params=[id]
).values('id').distinct()
return render_to_response('badge.html', {
'awards' : awards,
'badge' : badge,
}, context_instance=RequestContext(request))
def read_message(request):
if request.method == "POST":
if request.POST['formdata'] == 'required':
request.session['message_silent'] = 1
if request.user.is_authenticated():
request.user.delete_messages()
return HttpResponse('')
def upload(request):
class FileTypeNotAllow(Exception):
pass
class FileSizeNotAllow(Exception):
pass
class UploadPermissionNotAuthorized(Exception):
pass
#%s
xml_template = "%s"
try:
f = request.FILES['file-upload']
# check upload permission
if not can_upload_files(request.user):
raise UploadPermissionNotAuthorized
# check file type
file_name_suffix = os.path.splitext(f.name)[1].lower()
if not file_name_suffix in settings.ALLOW_FILE_TYPES:
raise FileTypeNotAllow
# genetate new file name
new_file_name = str(time.time()).replace('.', str(random.randint(0,100000))) + file_name_suffix
# use default storage to store file
default_storage.save(new_file_name, f)
# check file size
# byte
size = default_storage.size(new_file_name)
if size > settings.ALLOW_MAX_FILE_SIZE:
default_storage.delete(new_file_name)
raise FileSizeNotAllow
result = xml_template % ('Good', '', default_storage.url(new_file_name))
except UploadPermissionNotAuthorized:
result = xml_template % ('', _('uploading images is limited to users with >60 reputation points'), '')
except FileTypeNotAllow:
result = xml_template % ('', _("allowed file types are 'jpg', 'jpeg', 'gif', 'bmp', 'png', 'tiff'"), '')
except FileSizeNotAllow:
result = xml_template % ('', _("maximum upload file size is %sK") % settings.ALLOW_MAX_FILE_SIZE / 1024, '')
except Exception:
result = xml_template % ('', _('Error uploading file. Please contact the site administrator. Thank you. %s' % Exception), '')
return HttpResponse(result, mimetype="application/xml")
def books(request):
return HttpResponseRedirect("/books/mysql-zhaoyang")
def book(request, short_name, unanswered=False):
"""
1. questions list
2. book info
3. author info and blog rss items
"""
"""
List of Questions, Tagged questions, and Unanswered questions.
"""
books = Book.objects.extra(where=['short_name = %s'], params=[short_name])
match_count = len(books)
if match_count == 0 :
raise Http404
else:
# the book info
book = books[0]
# get author info
author_info = BookAuthorInfo.objects.get(book=book)
# get author rss info
author_rss = BookAuthorRss.objects.filter(book=book)
# get pagesize from session, if failed then get default value
user_page_size = request.session.get("pagesize", QUESTIONS_PAGE_SIZE)
# set pagesize equal to logon user specified value in database
if request.user.is_authenticated() and request.user.questions_per_page > 0:
user_page_size = request.user.questions_per_page
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
view_id = request.GET.get('sort', None)
view_dic = {"latest":"-added_at", "active":"-last_activity_at", "hottest":"-answer_count", "mostvoted":"-score" }
try:
orderby = view_dic[view_id]
except KeyError:
view_id = "latest"
orderby = "-added_at"
# check if request is from tagged questions
if unanswered:
# check if request is from unanswered questions
# Article.objects.filter(publications__id__exact=1)
objects = Question.objects.filter(book__id__exact=book.id, deleted=False, answer_count=0).order_by(orderby)
else:
objects = Question.objects.filter(book__id__exact=book.id, deleted=False).order_by(orderby)
# RISK - inner join queries
objects = objects.select_related();
objects_list = Paginator(objects, user_page_size)
questions = objects_list.page(page)
return render_to_response('book.html', {
"book" : book,
"author_info" : author_info,
"author_rss" : author_rss,
"questions" : questions,
"context" : {
'is_paginated' : True,
'pages': objects_list.num_pages,
'page': page,
'has_previous': questions.has_previous(),
'has_next': questions.has_next(),
'previous': questions.previous_page_number(),
'next': questions.next_page_number(),
'base_url' : request.path + '?sort=%s&' % view_id,
'pagesize' : user_page_size
}
}, context_instance=RequestContext(request))
@login_required
def ask_book(request, short_name):
if request.method == "POST":
form = AskForm(request.POST)
if form.is_valid():
added_at = datetime.datetime.now()
html = sanitize_html(markdowner.convert(form.cleaned_data['text']))
question = Question(
title = strip_tags(form.cleaned_data['title']),
author = request.user,
added_at = added_at,
last_activity_at = added_at,
last_activity_by = request.user,
wiki = form.cleaned_data['wiki'],
tagnames = form.cleaned_data['tags'].strip(),
html = html,
summary = strip_tags(html)[:120]
)
if question.wiki:
question.last_edited_by = question.author
question.last_edited_at = added_at
question.wikified_at = added_at
question.save()
# create the first revision
QuestionRevision.objects.create(
question = question,
revision = 1,
title = question.title,
author = request.user,
revised_at = added_at,
tagnames = question.tagnames,
summary = CONST['default_version'],
text = form.cleaned_data['text']
)
books = Book.objects.extra(where=['short_name = %s'], params=[short_name])
match_count = len(books)
if match_count == 1:
# the book info
book = books[0]
book.questions.add(question)
return HttpResponseRedirect(question.get_absolute_url())
else:
form = AskForm()
tags = _get_tags_cache_json()
return render_to_response('ask.html', {
'form' : form,
'tags' : tags,
}, context_instance=RequestContext(request))
def search(request):
"""
Search by question, user and tag keywords.
For questions now we only search keywords in question title.
"""
if request.method == "GET":
keywords = request.GET.get("q")
search_type = request.GET.get("t")
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
if keywords is None:
return HttpResponseRedirect('/')
if search_type == 'tag':
return HttpResponseRedirect('/%s?q=%s&page=%s' % (_('tags/'), keywords.strip(), page))
elif search_type == "user":
return HttpResponseRedirect('/%s?q=%s&page=%s' % (_('users/'), keywords.strip(), page))
elif search_type == "question":
template_file = "questions.html"
# Set flag to False by default. If it is equal to True, then need to be saved.
pagesize_changed = False
# get pagesize from session, if failed then get default value
user_page_size = request.session.get("pagesize", QUESTIONS_PAGE_SIZE)
# set pagesize equal to logon user specified value in database
if request.user.is_authenticated() and request.user.questions_per_page > 0:
user_page_size = request.user.questions_per_page
try:
page = int(request.GET.get('page', '1'))
# get new pagesize from UI selection
pagesize = int(request.GET.get('pagesize', user_page_size))
if pagesize <> user_page_size:
pagesize_changed = True
except ValueError:
page = 1
pagesize = user_page_size
# save this pagesize to user database
if pagesize_changed:
request.session["pagesize"] = pagesize
if request.user.is_authenticated():
user = request.user
user.questions_per_page = pagesize
user.save()
view_id = request.GET.get('sort', None)
view_dic = {"latest":"-added_at", "active":"-last_activity_at", "hottest":"-answer_count", "mostvoted":"-score" }
try:
orderby = view_dic[view_id]
except KeyError:
view_id = "latest"
orderby = "-added_at"
objects = Question.objects.filter(deleted=False).extra(where=['title like %s'], params=['%' + keywords + '%']).order_by(orderby)
# RISK - inner join queries
objects = objects.select_related();
objects_list = Paginator(objects, pagesize)
questions = objects_list.page(page)
# Get related tags from this page objects
related_tags = []
for question in questions.object_list:
tags = list(question.tags.all())
for tag in tags:
if tag not in related_tags:
related_tags.append(tag)
return render_to_response(template_file, {
"questions" : questions,
"tab_id" : view_id,
"questions_count" : objects_list.count,
"tags" : related_tags,
"searchtag" : None,
"searchtitle" : keywords,
"keywords" : keywords,
"is_unanswered" : False,
"context" : {
'is_paginated' : True,
'pages': objects_list.num_pages,
'page': page,
'has_previous': questions.has_previous(),
'has_next': questions.has_next(),
'previous': questions.previous_page_number(),
'next': questions.next_page_number(),
'base_url' : request.path + '?t=question&q=%s&sort=%s&' % (keywords, view_id),
'pagesize' : pagesize
}}, context_instance=RequestContext(request))
else:
raise Http404