import re from django.http import HttpResponse, HttpResponseRedirect from django.shortcuts import render, get_object_or_404,render_to_response from django.core.context_processors import csrf from django.template import RequestContext from django.views.decorators.csrf import csrf_exempt from django.contrib.auth.decorators import login_required from django.db.models import Q, Max from django.core.mail import EmailMultiAlternatives from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger from django.core.urlresolvers import reverse from django.contrib.auth import get_user_model User = get_user_model() from website.models import Question, Answer, Notification, AnswerComment, FossCategory from spoken_auth.models import TutorialDetails, TutorialResources from website.forms import NewQuestionForm, AnswerQuestionForm,AnswerCommentForm from website.helpers import get_video_info, prettify from django.db.models import Count admins = ( 9, 4376, 4915, 14595, 12329, 22467, 5518, 30705 ) categories = FossCategory.objects.order_by('name') def home(request): questions = Question.objects.all().order_by('date_created').reverse()[:10] context = { 'categories': categories, 'questions': questions } return render(request, "website/templates/index.html", context) def questions(request): questions = Question.objects.all().order_by('date_created').reverse() paginator = Paginator(questions, 20) page = request.GET.get('page') try: questions = paginator.page(page) except PageNotAnInteger: questions = paginator.page(1) except EmptyPage: questions = paginator.page(paginator.num_pages) context = { 'questions': questions } return render(request, 'website/templates/questions.html', context) def get_question(request, question_id=None, pretty_url=None): question = get_object_or_404(Question, id=question_id) pretty_title = prettify(question.title) if pretty_url != pretty_title: return HttpResponseRedirect('/question/'+ question_id + '/' + pretty_title) answers = question.answer_set.all() form = AnswerQuestionForm() thisuserupvote = question.userUpVotes.filter(id=request.user.id).count() thisuserdownvote = question.userDownVotes.filter(id=request.user.id).count() net_count = question.userUpVotes.count() - question.userDownVotes.count() ans_votes = [] for vote in answers: #print "ansvote "+str(vote.userUpVotes.filter(id=request.user.id).count()) #print "ansvote "+str(vote.userDownVotes.filter(id=request.user.id).count()) net_ans_count = vote.userUpVotes.count() - vote.userDownVotes.count() ans_votes.append([vote.userUpVotes.filter(id=request.user.id).count(),vote.userDownVotes.filter(id=request.user.id).count(),net_ans_count]) #for (f,b) in zip(foo, bar): #print "f: ", f ,"; b: ", b main_list = zip(answers,ans_votes) print "ans : "+str(ans_votes) context = { 'question': question, 'main_list': main_list, 'form': form, 'thisUserUpvote': thisuserupvote, 'thisUserDownvote': thisuserdownvote, 'net_count': net_count, 'num_votes':question.num_votes, 'ans_votes':ans_votes } context.update(csrf(request)) # updating views count question.views += 1 question.save() return render(request, 'website/templates/get-question.html', context) @login_required def question_answer(request,qid): dict_context = {} if request.method == 'POST': form = AnswerQuestionForm(request.POST) question = get_object_or_404(Question, id=qid) answers = question.answer_set.all() answer = Answer() answer.uid = request.user.id if form.is_valid(): cleaned_data = form.cleaned_data qid = cleaned_data['question'] body = cleaned_data['body'] answer.question = question answer.body = body.encode('unicode_escape') answer.save() # if user_id of question not matches to user_id of answer that # question , no if question.user_id != request.user.id: notification = Notification() notification.uid = question.user_id notification.pid = request.user.id notification.qid = qid notification.aid = answer.id notification.save() user = User.objects.get(id=question.user_id) # Sending email when an answer is posted subject = 'Question has been answered' message = """ Dear {0}

Your question titled "{1}" has been answered.
Link: {2}

Regards,
Fossee Forums """.format( user.username, question.title, 'http://forums.fossee.in/question/' + str(question.id) + "#answer" + str(answer.id) ) email = EmailMultiAlternatives( subject,'', 'forums', [user.email], headers={"Content-type":"text/html;charset=iso-8859-1"} ) email.attach_alternative(message, "text/html") email.send(fail_silently=True) # End of email send return HttpResponseRedirect('/question/'+ str(qid) + "#answer" + str(answer.id)) else: dict_context = { 'question':question, 'answers': answers, 'form': form } return render(request, 'website/templates/get-question.html', dict_context) return HttpResponseRedirect('/') @login_required def answer_comment(request): if request.method == 'POST': answer_id = request.POST['answer_id']; answer = Answer.objects.get(pk=answer_id) answers = answer.question.answer_set.all() form = AnswerCommentForm(request.POST) if form.is_valid(): body = request.POST['body'] comment = AnswerComment() comment.uid = request.user.id comment.answer = answer comment.body = body.encode('unicode_escape') comment.save() # notifying the answer owner if answer.uid != request.user.id: notification = Notification() notification.uid = answer.uid notification.pid = request.user.id notification.qid = answer.question.id notification.aid = answer.id notification.cid = comment.id notification.save() user = User.objects.get(id=answer.uid) subject = 'Comment for your answer' message = """ Dear {0}

A comment has been posted on your answer.
Link: {1}

Regards,
FOSSEE Forums """.format( user.username, "http://forums.fossee.in/question/" + str(answer.question.id) + "#answer" + str(answer.id) ) forums_mail(user.email, subject, message) # notifying other users in the comment thread uids = answer.answercomment_set.filter(answer=answer).values_list('uid', flat=True) #getting distinct uids uids = set(uids) uids.remove(request.user.id) for uid in uids: notification = Notification() notification.uid = uid notification.pid = request.user.id notification.qid = answer.question.id notification.aid = answer.id notification.cid = comment.id notification.save() user = User.objects.get(id=uid) subject = 'Comment has a reply' message = """ Dear {0}

A reply has been posted on your comment.
Link: {1}

Regards,
FOSSEE Forums """.format( user.username, "http://forums.fossee.in/question/" + str(answer.question.id) + "#answer" + str(answer.id) ) forums_mail(user.email, subject, message) return HttpResponseRedirect("/question/" + str(answer.question.id)) context = {} context.update(csrf(request)) context.update({'form':form, 'question':answer.question, 'answers':answers}) return render(request, 'website/templates/get-question.html', context) def filter(request, category=None, tutorial=None, minute_range=None, second_range=None): dict_context = {} context = { 'category': category, 'tutorial': tutorial, 'minute_range': minute_range, 'second_range': second_range } if category and tutorial and minute_range and second_range: questions = Question.objects.filter(category=category).filter(tutorial=tutorial).filter(minute_range=minute_range).filter(second_range=second_range) elif tutorial is None: questions = Question.objects.filter(category__name=category) elif minute_range is None: questions = Question.objects.filter(category=category).filter(tutorial=tutorial) else: #second_range is None questions = Question.objects.filter(category=category).filter(tutorial=tutorial).filter(minute_range=minute_range) if 'qid' in request.GET: context['qid'] = int(request.GET['qid']) categories = FossCategory.objects.filter(name=category) dict_context = { 'questions':questions, 'categories': categories } return render(request, 'website/templates/filter.html', dict_context) @login_required def new_question(request): context = {} if request.method == 'POST': form = NewQuestionForm(request.POST) if form.is_valid(): cleaned_data = form.cleaned_data question = Question() question.user = request.user question.category = cleaned_data['category'] question.title = cleaned_data['title'] question.body = cleaned_data['body'].encode('unicode_escape') question.views= 1 question.save() #Sending email when a new question is asked subject = 'New Forum Question' message = """ The following new question has been posted in the FOSSEE Forum:
Title: {0}
Category: {1}
Link: {2}
""".format( question.title, question.category, #question.tutorial, 'http://forums.fossee.in/question/'+str(question.id) ) email = EmailMultiAlternatives( subject,'', 'forums', ['team@fossee.in'], headers={"Content-type":"text/html;charset=iso-8859-1"} ) email.attach_alternative(message, "text/html") email.send(fail_silently=True) return HttpResponseRedirect('/') else: category = request.GET.get('category') form = NewQuestionForm(category=category) context['category'] = category context['form'] = form context.update(csrf(request)) return render(request, 'website/templates/new-question.html', context) def vote_post(request): post_id = int(request.POST.get('id')) vote_type = request.POST.get('type') vote_action = request.POST.get('action') question_id = request.POST.get('id') print question_id, "question_id" question = get_object_or_404(Question, id=question_id) cur_post = get_object_or_404(Question, id=post_id) thisuserupvote = cur_post.userUpVotes.filter(id=request.user.id).count() thisuserdownvote = cur_post.userDownVotes.filter(id=request.user.id).count() initial_votes = cur_post.userUpVotes.count() - cur_post.userDownVotes.count() #print "IDDD" print "logged in user_id:", request.user.id,"Person who asked(user_id)", question.user_id if request.user.id != question.user_id: #if request.user.id == question_id: print "in" if vote_action == 'vote': if (thisuserupvote == 0) and (thisuserdownvote == 0): if vote_type == 'up': cur_post.userUpVotes.add(request.user) elif vote_type == 'down': cur_post.userDownVotes.add(request.user) else: return HttpResponse("Error: Unknown vote-type passed.") else: return HttpResponse(initial_votes) #This loop is for canceling vote elif vote_action == 'recall-vote': if (vote_type == 'up') and (thisuserupvote == 1): cur_post.userUpVotes.remove(request.user) elif (vote_type == 'down') and (thisuserdownvote == 1): cur_post.userDownVotes.remove(request.user) else: # "Error - Unknown vote type or no vote to recall" return HttpResponse(initial_votes) else: return HttpResponse("Error: Bad Action.") num_votes = cur_post.userUpVotes.count() - cur_post.userDownVotes.count() cur_post.num_votes = num_votes cur_post.save() print "Num Votes: %s" % num_votes return HttpResponse(num_votes) else: print "out" return HttpResponse(initial_votes) def ans_vote_post(request): post_id = int(request.POST.get('id')) print post_id vote_type = request.POST.get('type') vote_action = request.POST.get('action') answer_id = request.POST.get('id') print "answer_id", answer_id answer = Answer.objects.get(pk=answer_id) cur_post = get_object_or_404(Answer, id=post_id) userupvote = cur_post.userUpVotes.filter(id=request.user.id).count() userdownvote = cur_post.userDownVotes.filter(id=request.user.id).count() initial_votes = cur_post.userUpVotes.count() - cur_post.userDownVotes.count() print "logged in user_id:", request.user.id,"Person who answered(user_id)", answer.uid if request.user.id != answer.uid: print "Not same" # print "User Initial Upvote and Downvote: %d %d %s " % (thisuserupvote, thisuserdownvote, vote_action) #This loop is for voting if vote_action == 'vote': if (userupvote == 0) and (userdownvote == 0): if vote_type == 'up': cur_post.userUpVotes.add(request.user) elif vote_type == 'down': cur_post.userDownVotes.add(request.user) else: return HttpResponse("Error: Unknown vote-type passed.") else: return HttpResponse(initial_votes) #This loop is for canceling vote elif vote_action == 'recall-vote': if (vote_type == 'up') and (userupvote == 1): cur_post.userUpVotes.remove(request.user) elif (vote_type == 'down') and (userdownvote == 1): cur_post.userDownVotes.remove(request.user) else: # "Error - Unknown vote type or no vote to recall" return HttpResponse(initial_votes) else: return HttpResponse("Error: Bad Action.") num_votes = cur_post.userUpVotes.count() - cur_post.userDownVotes.count() cur_post.num_votes = num_votes cur_post.save() print "Num Votes: %s" % num_votes return HttpResponse(num_votes) else: #else: print "Same" return HttpResponse(initial_votes) # Notification Section @login_required def user_questions(request, user_id): marker = 0 if 'marker' in request.GET: marker = int(request.GET['marker']) if str(user_id) == str(request.user.id): total = Question.objects.filter(user_id=user_id).count() total = int(total - (total % 10 - 10)) questions = Question.objects.filter(user_id=user_id).order_by('date_created').reverse()[marker:marker+10] context = { 'questions': questions, 'total': total, 'marker': marker } return render(request, 'website/templates/user-questions.html', context) return HttpResponse("go away") @login_required def user_answers(request, user_id): marker = 0 if 'marker' in request.GET: marker = int(request.GET['marker']) if str(user_id) == str(request.user.id): total = Answer.objects.filter(uid=user_id).count() total = int(total - (total % 10 - 10)) answers =Answer.objects.filter(uid=user_id).order_by('date_created').reverse()[marker:marker+10] context = { 'answers': answers, 'total': total, 'marker': marker } print "anwer_total" print total return render(request, 'website/templates/user-answers.html', context) return HttpResponse("go away") @login_required def user_notifications(request, user_id): print "user_id" print user_id print request.user.id if str(user_id) == str(request.user.id): notifications = Notification.objects.filter(uid=user_id).order_by('date_created').reverse() context = { 'notifications': notifications } return render(request, 'website/templates/notifications.html', context) return HttpResponse("go away ...") @login_required def clear_notifications(request): Notification.objects.filter(uid=request.user.id).delete() return HttpResponseRedirect("/user/{0}/notifications/".format(request.user.id)) def search(request): context = { 'categories': categories } return render(request, 'website/templates/search.html', context) # Ajax Section # All the ajax views go below @csrf_exempt def ajax_category(request): context = { 'categories': categories } return render(request, 'website/templates/ajax_categories.html', context) @csrf_exempt def ajax_tutorials(request): if request.method == 'POST': category = request.POST.get('category') tutorials = TutorialDetails.objects.using('spoken').filter(foss__foss=category) context = { 'tutorials': tutorials } return render(request, 'website/templates/ajax-tutorials.html', context) @csrf_exempt def ajax_duration(request): if request.method == 'POST': category = request.POST['category'] tutorial =request.POST['tutorial'] video_detail = TutorialDetails.objects.using('spoken').get( Q(foss__foss=category), Q(tutorial=tutorial) ) video_resource = TutorialResources.objects.using('spoken').get( Q(tutorial_detail_id=video_detail.id), Q(language__name='English') ) video_path = '/home/sanmugam/devel/spoken/media/videos/{0}/{1}/{2}'.format( str(video_detail.foss_id), str(video_detail.id), video_resource.video ) # video_path = '/home/cheese/test-video.ogv' video_info = get_video_info(video_path) # convert minutes to 1 if less than 0 # convert seconds to nearest upper 10th number eg(23->30) minutes = video_info['minutes'] seconds = video_info['seconds'] if minutes < 0: minutes = 1 seconds = int(seconds - (seconds % 10 - 10)) seconds = 60 context = { 'minutes': minutes, 'seconds':seconds, } return render(request, 'website/templates/ajax-duration.html', context) @csrf_exempt def ajax_question_update(request): if request.method == 'POST': qid = request.POST['question_id'] title = request.POST['question_title'] body = request.POST['question_body'] question = get_object_or_404(Question, pk=qid) if question: if question.uid == request.user.id or request.user.id in admins: question.title = title question.body = body.encode('unicode_escape') question.save() return HttpResponse("saved") @csrf_exempt def ajax_details_update(request): if request.method == 'POST': qid = request.POST['qid'] category = request.POST['category'] tutorial = request.POST['tutorial'] minute_range = request.POST['minute_range'] second_range = request.POST['second_range'] question = get_object_or_404(Question, pk=qid) if question: if question.uid == request.user.id or request.user.id in admins: question.category = category question.tutorial = tutorial question.minute_range = minute_range question.second_range = second_range question.save() return HttpResponse("saved") @csrf_exempt def ajax_answer_update(request): if request.method == 'POST': aid = request.POST['answer_id'] body = request.POST['answer_body'] answer= get_object_or_404(Answer, pk=aid) if answer: if answer.uid == request.user.id or request.user.id in admins: answer.body = body.encode('unicode_escape') answer.save() return HttpResponse("saved") @csrf_exempt def ajax_answer_comment_update(request): if request.method == "POST": comment_id = request.POST["comment_id"] comment_body = request.POST["comment_body"] comment = get_object_or_404(AnswerComment, pk=comment_id) if comment: if comment.uid == request.user.id or request.user.id in admins: comment.body = comment_body.encode('unicode_escape') comment.save() return HttpResponse("saved") @csrf_exempt def ajax_similar_questions(request): if request.method == 'POST': category = request.POST['category'] tutorial = request.POST['tutorial'] minute_range = request.POST['minute_range'] second_range = request.POST['second_range'] # add more filtering when the forum grows questions = Question.objects.filter(category=category).filter(tutorial=tutorial) context = { 'questions': questions } return render(request, 'website/templates/ajax-similar-questions.html', context); @csrf_exempt def ajax_notification_remove(request): if request.method == "POST": nid = request.POST["notification_id"] notification = Notification.objects.get(pk=nid) if notification: if notification.uid == request.user.id: notification.delete() return HttpResponse("removed") return HttpResponse("failed") @csrf_exempt def ajax_keyword_search(request): if request.method == "POST": key = request.POST['key'] questions = Question.objects.filter(title__contains=key) context = { 'questions': questions } return render(request, 'website/templates/ajax-keyword-search.html', context) @csrf_exempt def ajax_time_search(request): if request.method == "POST": category = request.POST.get('category') tutorial = request.POST.get('tutorial') minute_range= request.POST.get('minute_range') second_range = request.POST.get('second_range') questions = None print request.POST, "***********" if category: questions = Question.objects.filter(category=category.replace(' ', '-')) print "sssssssssss", questions if tutorial: questions = questions.filter(tutorial=tutorial.replace(' ', '-')) if minute_range: questions = questions.filter(category=category.replace(' ', '-'), tutorial=tutorial.replace(' ', '-'), minute_range=minute_range) if second_range: questions = questions.filter(category=category.replace(' ', '-'), tutorial=tutorial.replace(' ', '-'),second_range=second_range) print questions, "&&&&&&&&&&&" context = { 'questions': questions } return render(request, 'website/templates/ajax-time-search.html', context) @csrf_exempt def ajax_vote(request): #for future use pass def forums_mail(to = '', subject='', message=''): # Start of email send email = EmailMultiAlternatives( subject,'', 'forums', to.split(','), headers={"Content-type":"text/html;charset=iso-8859-1"} ) email.attach_alternative(message, "text/html") email.send(fail_silently=True) # End of email send # daily notifications for unanswered questions. def unanswered_notification(request): questions = Question.objects.all() total_count = 0 message = """ The following questions are left unanswered. Please take a look at them.

""" for question in questions: if not question.answer_set.count(): total_count += 1 message += """ #{0}
Title: {1}
Category: {2}
Link: {3}

""".format( total_count, question.title, question.category, 'http://forums.fossee.in/question/' + str(question.id) ) to = "team@fossee.in" subject = "Unanswered questions in the forums." if total_count: forums_mail(to, subject, message) return HttpResponse(message)