views.py
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from django.http import HttpResponse
from django.shortcuts import render, get_object_or_404
from django.core.urlresolvers import reverse, reverse_lazy
from django.utils.translation import ugettext_lazy as _
from django.views import generic
from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.paginator import Paginator, EmptyPage
from django.http import Http404, JsonResponse
from django.urls import reverse
from django.template.loader import render_to_string
import time
from rolepermissions.mixins import HasRoleMixin
from rolepermissions.verifications import has_object_permission
from .models import Forum, Post, PostAnswer
from courses.models import Topic
from core.models import Action, Resource, Log
from .forms import ForumForm, PostForm, PostAnswerForm
from core.mixins import LogMixin, NotificationMixin
import datetime
"""
Forum Section
"""
class ForumIndex(LoginRequiredMixin, generic.ListView):
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
template_name = "forum/forum_list.html"
context_object_name = 'forum'
def get_queryset(self):
forum_id = self.request.GET.get('forum_id', 0)
context = Forum.objects.get(id = forum_id)
return context
def get_context_data(self, **kwargs):
context = super(ForumIndex, self).get_context_data(**kwargs)
context['form'] = PostForm()
return context
class CreateForumView(LoginRequiredMixin, HasRoleMixin, generic.edit.CreateView, LogMixin, NotificationMixin):
log_component = "forum"
log_action = "create"
log_resource = "forum"
log_context = {}
allowed_roles = ['professor', 'system_admin']
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
template_name = 'forum/forum_form.html'
form_class = ForumForm
def form_invalid(self, form):
context = super(CreateForumView, self).form_invalid(form)
context.status_code = 400
return context
def get_success_url(self):
self.success_url = reverse('course:forum:render_forum', args = (self.object.id, ))
action = super(CreateForumView, self).createorRetrieveAction("create Topic")
super(CreateForumView, self).createNotification("Forum "+ self.object.name + " was created",
resource_name=self.object.name, resource_link= reverse('course:forum:view', args=[self.object.slug]),
actor=self.request.user, users = self.object.topic.subject.students.all() )
self.log_context['forum_id'] = self.object.id
self.log_context['forum_name'] = self.object.name
self.log_context['topic_id'] = self.object.topic.id
self.log_context['topic_name'] = self.object.topic.name
self.log_context['topic_slug'] = self.object.topic.slug
self.log_context['subject_id'] = self.object.topic.subject.id
self.log_context['subject_name'] = self.object.topic.subject.name
self.log_context['subject_slug'] = self.object.topic.subject.slug
self.log_context['course_id'] = self.object.topic.subject.course.id
self.log_context['course_name'] = self.object.topic.subject.course.name
self.log_context['course_slug'] = self.object.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
super(CreateForumView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return self.success_url
def render_forum(request, forum):
last_forum = get_object_or_404(Forum, id = forum)
return JsonResponse({'url': str(reverse_lazy('course:forum:view', args = (), kwargs = {'slug': last_forum.slug})), 'forum_id': str(forum), 'name': str(last_forum.name), 'message': _('Forum created successfully!')})
class UpdateForumView(LoginRequiredMixin, HasRoleMixin, generic.UpdateView, LogMixin):
log_component = "forum"
log_action = "update"
log_resource = "forum"
log_context = {}
allowed_roles = ['professor', 'system_admin']
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
template_name = 'forum/forum_form.html'
form_class = ForumForm
model = Forum
def dispatch(self, *args, **kwargs):
forum = get_object_or_404(Forum, id = self.kwargs.get('pk'))
if(not has_object_permission('edit_forum', self.request.user, forum)):
return self.handle_no_permission()
return super(UpdateForumView, self).dispatch(*args, **kwargs)
def form_invalid(self, form):
return self.render_to_response(self.get_context_data(form = form), status = 400)
def get_success_url(self):
self.success_url = reverse('course:forum:render_edit_forum', args = (self.object.id, ))
self.log_context['forum_id'] = self.object.id
self.log_context['forum_name'] = self.object.name
self.log_context['topic_id'] = self.object.topic.id
self.log_context['topic_name'] = self.object.topic.name
self.log_context['topic_slug'] = self.object.topic.slug
self.log_context['subject_id'] = self.object.topic.subject.id
self.log_context['subject_name'] = self.object.topic.subject.name
self.log_context['subject_slug'] = self.object.topic.subject.slug
self.log_context['course_id'] = self.object.topic.subject.course.id
self.log_context['course_name'] = self.object.topic.subject.course.name
self.log_context['course_slug'] = self.object.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
super(UpdateForumView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return self.success_url
def render_edit_forum(request, forum):
last_forum = get_object_or_404(Forum, id = forum)
context = {
'forum': last_forum
}
return render(request, 'forum/render_forum.html', context)
class ForumDeleteView(LoginRequiredMixin, HasRoleMixin, generic.DeleteView, LogMixin):
log_component = "forum"
log_action = "delete"
log_resource = "forum"
log_context = {}
allowed_roles = ['professor', 'system_admin']
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
model = Forum
pk_url_kwarg = 'pk'
def dispatch(self, *args, **kwargs):
forum = get_object_or_404(Forum, id = self.kwargs.get('pk'))
if(not has_object_permission('delete_forum', self.request.user, forum)):
return self.handle_no_permission()
return super(ForumDeleteView, self).dispatch(*args, **kwargs)
def get_success_url(self):
self.log_context['forum_id'] = self.object.id
self.log_context['forum_name'] = self.object.name
self.log_context['topic_id'] = self.object.topic.id
self.log_context['topic_name'] = self.object.topic.name
self.log_context['topic_slug'] = self.object.topic.slug
self.log_context['subject_id'] = self.object.topic.subject.id
self.log_context['subject_name'] = self.object.topic.subject.name
self.log_context['subject_slug'] = self.object.topic.subject.slug
self.log_context['course_id'] = self.object.topic.subject.course.id
self.log_context['course_name'] = self.object.topic.subject.course.name
self.log_context['course_slug'] = self.object.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.topic.subject.course.category.name
super(ForumDeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return reverse_lazy('course:forum:deleted_forum')
def forum_deleted(request):
return HttpResponse(_("Forum deleted successfully."))
class ForumDetailView(LoginRequiredMixin, LogMixin, generic.DetailView):
log_component = "forum"
log_action = "viewed"
log_resource = "forum"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
model = Forum
template_name = 'forum/forum_view.html'
context_object_name = 'forum'
def dispatch(self, *args, **kwargs):
forum = get_object_or_404(Forum, slug = self.kwargs.get('slug'))
if(not has_object_permission('view_forum', self.request.user, forum)):
return self.handle_no_permission()
self.log_context['forum_id'] = forum.id
self.log_context['forum_name'] = forum.name
self.log_context['topic_id'] = forum.topic.id
self.log_context['topic_name'] = forum.topic.name
self.log_context['topic_slug'] = forum.topic.slug
self.log_context['subject_id'] = forum.topic.subject.id
self.log_context['subject_name'] = forum.topic.subject.name
self.log_context['subject_slug'] = forum.topic.subject.slug
self.log_context['course_id'] = forum.topic.subject.course.id
self.log_context['course_name'] = forum.topic.subject.course.name
self.log_context['course_slug'] = forum.topic.subject.course.slug
self.log_context['course_category_id'] = forum.topic.subject.course.category.id
self.log_context['course_category_name'] = forum.topic.subject.course.category.name
self.log_context['timestamp_start'] = str(int(time.time()))
super(ForumDetailView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
self.request.session['log_id'] = Log.objects.latest('id').id
return super(ForumDetailView, self).dispatch(*args, **kwargs)
def get_context_data(self, **kwargs):
context = super(ForumDetailView, self).get_context_data(**kwargs)
forum = get_object_or_404(Forum, slug = self.kwargs.get('slug'))
context['form'] = PostForm()
context['forum'] = forum
context['title'] = forum.name
return context
"""
Post Section
"""
def load_posts(request, forum_id):
context = {
'request': request,
}
forum = get_object_or_404(Forum, id = forum_id)
showing = request.GET.get('showing', '')
if showing == '':
posts = Post.objects.filter(forum = forum).order_by('post_date')
else:
showing = showing.split(',')
posts = Post.objects.filter(forum = forum).exclude(id__in = showing).order_by('post_date')
paginator = Paginator(posts, 5)
try:
page_number = int(request.GET.get('page', 1))
except ValueError:
raise Http404
try:
page_obj = paginator.page(page_number)
except EmptyPage:
raise Http404
context['paginator'] = paginator
context['page_obj'] = page_obj
context['posts'] = page_obj.object_list
context['forum'] = forum
html = render_to_string('post/post_load_more_render.html', context, request)
return JsonResponse({'num_pages': paginator.num_pages, 'page': page_obj.number, 'btn_text': _('Load more posts'), 'html': html})
class CreatePostView(LoginRequiredMixin, generic.edit.CreateView, LogMixin, NotificationMixin):
log_component = "forum"
log_action = "create"
log_resource = "post"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
form_class = PostForm
def form_valid(self, form):
self.object = form.save(commit = False)
self.object.user = self.request.user
self.object.save()
super(CreatePostView, self).createNotification(" posted on " + self.object.forum.name,
resource_slug = self.object.forum.slug, actor=self.request.user, users= self.object.forum.topic.subject.students.all(),
resource_link = reverse('course:forum:view', args=[self.object.forum.slug]))
self.log_context['post_id'] = self.object.id
self.log_context['forum_id'] = self.object.forum.id
self.log_context['forum_name'] = self.object.forum.name
self.log_context['topic_id'] = self.object.forum.topic.id
self.log_context['topic_name'] = self.object.forum.topic.name
self.log_context['topic_slug'] = self.object.forum.topic.slug
self.log_context['subject_id'] = self.object.forum.topic.subject.id
self.log_context['subject_name'] = self.object.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.forum.topic.subject.slug
self.log_context['course_id'] = self.object.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.forum.topic.subject.course.category.name
super(CreatePostView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return super(CreatePostView, self).form_valid(form)
def get_success_url(self):
self.success_url = reverse('course:forum:render_post', args = (self.object.id, ))
return self.success_url
def render_post(request, post):
last_post = get_object_or_404(Post, id = post)
context = {}
context['post'] = last_post
html = render_to_string("post/post_render.html", context, request)
return JsonResponse({'new_id': last_post.id, 'html': html})
class PostUpdateView(LoginRequiredMixin, LogMixin, generic.UpdateView):
log_component = "forum"
log_action = "update"
log_resource = "post"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
form_class = PostForm
model = Post
template_name = "post/post_update_form.html"
def form_valid(self, form):
self.object = form.save()
self.log_context['post_id'] = self.object.id
self.log_context['forum_id'] = self.object.forum.id
self.log_context['forum_name'] = self.object.forum.name
self.log_context['topic_id'] = self.object.forum.topic.id
self.log_context['topic_name'] = self.object.forum.topic.name
self.log_context['topic_slug'] = self.object.forum.topic.slug
self.log_context['subject_id'] = self.object.forum.topic.subject.id
self.log_context['subject_name'] = self.object.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.forum.topic.subject.slug
self.log_context['course_id'] = self.object.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.forum.topic.subject.course.category.name
super(PostUpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return super(PostUpdateView, self).form_valid(form)
def get_success_url(self):
self.success_url = reverse('course:forum:render_post', args = (self.object.id, ))
return self.success_url
class PostDeleteView(LoginRequiredMixin, LogMixin, generic.DeleteView):
log_component = "forum"
log_action = "delete"
log_resource = "post"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
model = Post
pk_url_kwarg = 'pk'
def get_success_url(self):
self.success_url = reverse_lazy('course:forum:deleted_post')
self.log_context['post_id'] = self.object.id
self.log_context['forum_id'] = self.object.forum.id
self.log_context['forum_name'] = self.object.forum.name
self.log_context['topic_id'] = self.object.forum.topic.id
self.log_context['topic_name'] = self.object.forum.topic.name
self.log_context['topic_slug'] = self.object.forum.topic.slug
self.log_context['subject_id'] = self.object.forum.topic.subject.id
self.log_context['subject_name'] = self.object.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.forum.topic.subject.slug
self.log_context['course_id'] = self.object.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.forum.topic.subject.course.category.name
super(PostDeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return self.success_url
def post_deleted(request):
return HttpResponse(_("Post deleted successfully."))
"""
Post Answer Section
"""
def load_answers(request, post_id):
context = {
'request': request,
}
post = get_object_or_404(Post, id = post_id)
showing = request.GET.get('showing_ans', '')
if showing == '':
answers = PostAnswer.objects.filter(post = post)
else:
showing = showing.split(',')
answers = PostAnswer.objects.filter(post = post).exclude(id__in = showing)
paginator = Paginator(answers, 5)
try:
page_number = int(request.GET.get('page_answer', 1))
except ValueError:
raise Http404
try:
page_obj = paginator.page(page_number)
except EmptyPage:
raise Http404
context['paginator'] = paginator
context['page_obj'] = page_obj
context['answers'] = page_obj.object_list
context['post'] = post
html = render_to_string('post_answers/post_answer_load_more_render.html', context, request)
return JsonResponse({'num_pages': paginator.num_pages, 'page': page_obj.number, 'btn_text': _('Load more answers'), 'html': html})
class PostAnswerIndex(LoginRequiredMixin, generic.ListView):
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
template_name = "post_answers/post_answer_list.html"
context_object_name = 'answers'
def get_queryset(self):
post = get_object_or_404(Post, id = self.request.GET.get('post', ''))
context = PostAnswer.objects.filter(post = post)
return context
class CreatePostAnswerView(LoginRequiredMixin, LogMixin, generic.edit.CreateView):
log_component = "forum"
log_action = "create"
log_resource = "post_answer"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
template_name = 'post_answers/post_answer_form.html'
form_class = PostAnswerForm
def form_valid(self, form):
self.object = form.save(commit = False)
self.object.user = self.request.user
self.object.save()
self.log_context['post_answer_id'] = self.object.id
self.log_context['post_id'] = self.object.post.id
self.log_context['post_user_id'] = self.object.post.user.id
self.log_context['post_user_name'] = self.object.post.user.name
self.log_context['forum_id'] = self.object.post.forum.id
self.log_context['forum_name'] = self.object.post.forum.name
self.log_context['topic_id'] = self.object.post.forum.topic.id
self.log_context['topic_name'] = self.object.post.forum.topic.name
self.log_context['topic_slug'] = self.object.post.forum.topic.slug
self.log_context['subject_id'] = self.object.post.forum.topic.subject.id
self.log_context['subject_name'] = self.object.post.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.post.forum.topic.subject.slug
self.log_context['course_id'] = self.object.post.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.post.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.post.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.post.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.post.forum.topic.subject.course.category.name
super(CreatePostAnswerView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return super(CreatePostAnswerView, self).form_valid(form)
def get_success_url(self):
self.success_url = reverse('course:forum:render_post_answer', args = (self.object.id, ))
return self.success_url
def render_post_answer(request, answer):
last_answer = get_object_or_404(PostAnswer, id = answer)
context = {}
context['answer'] = last_answer
html = render_to_string("post_answers/post_answer_render.html", context, request)
return JsonResponse({'new_id': last_answer.id, 'html': html})
class PostAnswerUpdateView(LoginRequiredMixin, LogMixin, generic.UpdateView):
log_component = "forum"
log_action = "update"
log_resource = "post_answer"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
form_class = PostAnswerForm
model = PostAnswer
template_name = "post_answers/post_answer_form.html"
context_object_name = 'answer'
def get_success_url(self):
self.success_url = reverse('course:forum:render_post_answer', args = (self.object.id, ))
self.log_context['post_answer_id'] = self.object.id
self.log_context['post_id'] = self.object.post.id
self.log_context['post_user_id'] = self.object.post.user.id
self.log_context['post_user_name'] = self.object.post.user.name
self.log_context['forum_id'] = self.object.post.forum.id
self.log_context['forum_name'] = self.object.post.forum.name
self.log_context['topic_id'] = self.object.post.forum.topic.id
self.log_context['topic_name'] = self.object.post.forum.topic.name
self.log_context['topic_slug'] = self.object.post.forum.topic.slug
self.log_context['subject_id'] = self.object.post.forum.topic.subject.id
self.log_context['subject_name'] = self.object.post.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.post.forum.topic.subject.slug
self.log_context['course_id'] = self.object.post.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.post.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.post.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.post.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.post.forum.topic.subject.course.category.name
super(PostAnswerUpdateView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return self.success_url
class PostAnswerDeleteView(LoginRequiredMixin, LogMixin, generic.DeleteView):
log_component = "forum"
log_action = "delete"
log_resource = "post_answer"
log_context = {}
login_url = reverse_lazy("core:home")
redirect_field_name = 'next'
model = PostAnswer
pk_url_kwarg = 'pk'
def get_success_url(self):
self.success_url = reverse_lazy('course:forum:deleted_answer')
self.log_context['post_answer_id'] = self.object.id
self.log_context['post_id'] = self.object.post.id
self.log_context['post_user_id'] = self.object.post.user.id
self.log_context['post_user_name'] = self.object.post.user.name
self.log_context['forum_id'] = self.object.post.forum.id
self.log_context['forum_name'] = self.object.post.forum.name
self.log_context['topic_id'] = self.object.post.forum.topic.id
self.log_context['topic_name'] = self.object.post.forum.topic.name
self.log_context['topic_slug'] = self.object.post.forum.topic.slug
self.log_context['subject_id'] = self.object.post.forum.topic.subject.id
self.log_context['subject_name'] = self.object.post.forum.topic.subject.name
self.log_context['subject_slug'] = self.object.post.forum.topic.subject.slug
self.log_context['course_id'] = self.object.post.forum.topic.subject.course.id
self.log_context['course_name'] = self.object.post.forum.topic.subject.course.name
self.log_context['course_slug'] = self.object.post.forum.topic.subject.course.slug
self.log_context['course_category_id'] = self.object.post.forum.topic.subject.course.category.id
self.log_context['course_category_name'] = self.object.post.forum.topic.subject.course.category.name
super(PostAnswerDeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return self.success_url
def answer_deleted(request):
return HttpResponse(_("Post answer deleted successfully."))