views.py
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from django.shortcuts import get_object_or_404, redirect, render
from django.views import generic
from django.contrib.auth.mixins import LoginRequiredMixin
from log.models import Log
from log.mixins import LogMixin
from django.core.urlresolvers import reverse, reverse_lazy
from django.contrib import messages
from django.utils.translation import ugettext_lazy as _
from django.db.models import Q, Count
from .models import News, valid_formats
from .forms import NewsForm
class VisualizeNews(LoginRequiredMixin,LogMixin,generic.ListView):
log_action = "view_new"
log_resource = "news"
log_component = "news"
log_context = {}
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'news/view.html'
context_object_name = "new"
def get_context_data(self, **kwargs):
context = super(VisualizeNews, self).get_context_data(**kwargs)
context['title'] = _('Visualize News')
return context
def get_queryset(self):
slug = self.kwargs.get('slug', '')
new = News.objects.get(slug=slug)
self.log_context['new_title'] = new.title
self.log_context['new_slug'] = new.slug
super(VisualizeNews, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return new
class ListNewsView(LoginRequiredMixin,LogMixin,generic.ListView):
log_action = "view_list_of_news"
log_resource = "news"
log_component = "news"
log_context = {}
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'news/list.html'
context_object_name = "news"
paginate_by = 10
def get_queryset(self):
news = News.objects.all().order_by('create_date')
return news
def get_context_data(self, **kwargs):
context = super(ListNewsView, self).get_context_data(**kwargs)
context['title'] = _('Manage News')
super(ListNewsView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return context
class CreateNewsView(LoginRequiredMixin,LogMixin,generic.edit.CreateView):
log_action = "create"
log_resource = "news"
log_component = "news"
log_context = {}
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'news/create.html'
form_class = NewsForm
def dispatch(self, request, *args, **kwargs):
if not request.user.is_staff:
return redirect(reverse_lazy('subjects:home'))
return super(CreateNewsView, self).dispatch(request, *args, **kwargs)
def form_valid(self, form):
self.object = form.save(commit = False)
creator = self.request.user
self.object.creator = creator
self.object.save()
self.log_context['new_creator_user'] = self.object.creator.get_short_name()
self.log_context['new_title'] = self.object.title
self.log_context['new_slug'] = self.object.slug
super(CreateNewsView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return super(CreateNewsView, self).form_valid(form)
def get_context_data (self, **kwargs):
context = super(CreateNewsView, self).get_context_data(**kwargs)
context['title'] = _("Create News")
context['mimeTypes'] = valid_formats
return context
def get_success_url(self):
messages.success(self.request, _('News successfully created!'))
return reverse_lazy('news:view', kwargs = {'slug': self.object.slug} )
class UpdateNewsView(LoginRequiredMixin,LogMixin,generic.UpdateView):
log_action = "update"
log_resource = "news"
log_component = "news"
log_context = {}
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'news/update.html'
form_class = NewsForm
model = News
def dispatch(self, request, *args, **kwargs):
if not request.user.is_staff:
return redirect(reverse_lazy('subjects:home'))
return super(UpdateNewsView, self).dispatch(request, *args, **kwargs)
def form_valid(self, form):
self.object = form.save(commit = False)
creator = self.request.user
self.object.creator = creator
self.object.save()
self.log_context['new_update_user'] = self.object.creator.get_short_name()
self.log_context['new_title'] = self.object.title
self.log_context['new_slug'] = self.object.slug
super(UpdateNewsView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return super(UpdateNewsView, self).form_valid(form)
def get_context_data (self, **kwargs):
context = super(UpdateNewsView, self).get_context_data(**kwargs)
context['title'] = _("Update News")
context['mimeTypes'] = valid_formats
return context
def get_success_url(self):
messages.success(self.request, _('News successfully updated!'))
return reverse_lazy('news:view', kwargs = {'slug': self.object.slug} )
class SearchNewsView(LoginRequiredMixin, LogMixin, generic.ListView):
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
template_name = 'news/search.html'
context_object_name = 'news'
paginate_by = 10
def dispatch(self, request, *args, **kwargs):
search = self.request.GET.get('search', '')
if search == '':
return redirect(reverse_lazy('news:manage_news'))
return super(SearchNewsView, self).dispatch(request, *args, **kwargs)
def get_queryset(self):
inteiro = False
search = self.request.GET.get('search', '')
print(type(search))
try:
search = int(search)
inteiro = True
except Exception as e:
inteiro = False
if inteiro:
news = News.objects.filter(Q(title__icontains = search) | Q(creator__username__icontains = search) | Q(create_date__icontains = search) | Q(create_date__year = search) | Q(create_date__month = search) | Q(create_date__day = search) ).distinct().order_by('create_date')
else:
news = News.objects.filter(Q(title__icontains = search) | Q(creator__username__icontains = search) | Q(create_date__icontains = search) ).distinct().order_by('create_date')
return news
def get_context_data (self, **kwargs):
context = super(SearchNewsView, self).get_context_data(**kwargs)
context['title'] = _('Search News')
context['search'] = self.request.GET.get('search')
return context
class DeleteNewsView(LoginRequiredMixin,LogMixin,generic.DeleteView):
log_component = 'news'
log_action = 'delete'
log_resource = 'news'
log_context = {}
login_url = reverse_lazy("users:login")
redirect_field_name = 'next'
model = News
template_name = 'news/delete.html'
def dispatch(self, request, *args, **kwargs):
if not request.user.is_staff:
return redirect(reverse_lazy('subjects:home'))
return super(DeleteNewsView, self).dispatch(request, *args, **kwargs)
def delete(self, request, *args, **kwargs):
news = get_object_or_404(News, slug = self.kwargs.get('slug'))
return super(DeleteNewsView, self).delete(self, request, *args, **kwargs)
def get_success_url(self):
messages.success(self.request, _('News "%s" removed successfully!')%(self.object.title))
success_url = reverse_lazy('news:manage_news')
return success_url
def get_context_data(self, **kwargs):
context = super(DeleteNewsView, self).get_context_data(**kwargs)
context['title'] = _('Delete News')
news = get_object_or_404(News, slug = self.kwargs.get('slug'))
context['new'] = news
self.log_context['new_creator'] = news.creator.get_short_name()
self.log_context['new_title'] = news.title
self.log_context['new_slug'] = news.slug
super(DeleteNewsView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)
return context