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from django.core.paginator import Paginator, EmptyPage, InvalidPage
from django.shortcuts import get_object_or_404
from django.http import HttpResponse, Http404
from django.contrib.auth.models import User
from django.utils import simplejson
from django.db.models import Q
from django.core.urlresolvers import reverse
from askbot import models
from askbot.conf import settings as askbot_settings
from askbot.search.state_manager import SearchState
from askbot.utils.html import site_url
def get_user_data(user):
"""get common data about the user"""
avatar_url = user.get_avatar_url()
if not ('gravatar.com' in avatar_url):
avatar_url = site_url(avatar_url)
return {
'id': user.id,
'avatar': avatar_url,
'username': user.username,
'joined_at': user.date_joined.strftime('%s'),
'last_seen_at': user.last_seen.strftime('%s'),
'reputation': user.reputation,
}
def get_question_data(thread):
"""returns data dictionary for a given thread"""
datum = {
'added_at': thread.added_at.strftime('%s'),
'id': thread._question_post().id,
'answer_count': thread.answer_count,
'view_count': thread.view_count,
'score': thread.score,
'last_activity_at': thread.last_activity_at.strftime('%s'),
'title': thread.title,
'tags': thread.tagnames.strip().split(),
'url': site_url(thread.get_absolute_url()),
}
datum['author'] = {
'id': thread._question_post().author.id,
'username': thread._question_post().author.username
}
datum['last_activity_by'] = {
'id': thread.last_activity_by.id,
'username': thread.last_activity_by.username
}
return datum
def info(request):
'''
Returns general data about the forum
'''
data = {}
data['answers'] = models.Post.objects.get_answers().count()
data['questions'] = models.Post.objects.get_questions().count()
data['comments'] = models.Post.objects.get_comments().count()
data['users'] = User.objects.filter(is_active=True).count()
if askbot_settings.GROUPS_ENABLED:
data['groups'] = models.Group.objects.exclude_personal().count()
else:
data['groups'] = 0
json_string = simplejson.dumps(data)
return HttpResponse(json_string, content_type='application/json')
def user(request, user_id):
'''
Returns data about one user
'''
user = get_object_or_404(User, pk=user_id)
data = get_user_data(user)
data['questions'] = models.Post.objects.get_questions(user).count()
data['answers'] = models.Post.objects.get_answers(user).count()
data['comments'] = models.Post.objects.filter(post_type='comment').count()
json_string = simplejson.dumps(data)
return HttpResponse(json_string, content_type='application/json')
def users(request):
'''
Returns data of the most active or latest users.
'''
allowed_order_by = ('recent', 'oldest', 'reputation', 'username')
order_by = request.GET.get('sort', 'reputation')
try:
page = int(request.GET.get("page", '1'))
except ValueError:
page = 1
if order_by not in allowed_order_by:
raise Http404
else:
if order_by == 'reputation':
users = models.User.objects.exclude(status='b').order_by('-reputation')
elif order_by == 'oldest':
users = models.User.objects.exclude(status='b').order_by('date_joined')
elif order_by == 'recent':
users = models.User.objects.exclude(status='b').order_by('-date_joined')
elif order_by == 'username':
users = models.User.objects.exclude(status='b').order_by('username')
else:
raise Exception("Order by method not allowed")
paginator = Paginator(users, 10)
try:
user_objects = paginator.page(page)
except (EmptyPage, InvalidPage):
user_objects = paginator.page(paginator.num_pages)
user_list = []
#serializing to json
for user in user_objects:
user_dict = get_user_data(user)
user_list.append(dict.copy(user_dict))
response_dict = {
'pages': paginator.num_pages,
'count': paginator.count,
'users': user_list
}
json_string = simplejson.dumps(response_dict)
return HttpResponse(json_string, content_type='application/json')
def question(request, question_id):
'''
Gets a single question
'''
#we retrieve question by post id, b/c that's what is in the url,
#not thread id (currently)
post = get_object_or_404(
models.Post, id=question_id,
post_type='question', deleted=False
)
datum = get_question_data(post.thread)
json_string = simplejson.dumps(datum)
return HttpResponse(json_string, content_type='application/json')
def questions(request):
"""
List of Questions, Tagged questions, and Unanswered questions.
matching search query or user selection
"""
try:
author_id = int(request.GET.get("author"))
except (ValueError, TypeError):
author_id = None
try:
page = int(request.GET.get("page"))
except (ValueError, TypeError):
page = None
search_state = SearchState(
scope=request.GET.get('scope', 'all'),
sort=request.GET.get('sort', 'activity-desc'),
query=request.GET.get('query', None),
tags=request.GET.get('tags', None),
author=author_id,
page=page,
user_logged_in=request.user.is_authenticated(),
)
qs, meta_data = models.Thread.objects.run_advanced_search(
request_user=request.user, search_state=search_state
)
if meta_data['non_existing_tags']:
search_state = search_state.remove_tags(meta_data['non_existing_tags'])
#exludes the question from groups
#global_group = models.Group.objects.get_global_group()
#qs = qs.exclude(~Q(groups__id=global_group.id))
page_size = askbot_settings.DEFAULT_QUESTIONS_PAGE_SIZE
paginator = Paginator(qs, page_size)
if paginator.num_pages < search_state.page:
search_state.page = 1
page = paginator.page(search_state.page)
question_list = list()
for thread in page.object_list:
datum = get_question_data(thread)
question_list.append(datum)
ajax_data = {
'count': paginator.count,
'pages' : paginator.num_pages,
'questions': question_list
}
response_data = simplejson.dumps(ajax_data)
return HttpResponse(response_data, content_type='application/json')
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