133 lines
6.3 KiB
Python
133 lines
6.3 KiB
Python
from django.conf import settings
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from django.db.models import Count, Max, Q
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from django.http import Http404
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from django.urls import reverse
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from django.utils import timezone
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from django.utils.functional import lazy
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from django.utils.translation import ugettext as _
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from django.views.generic import ListView
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from judge.comments import CommentedDetailView
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from judge.models import BlogPost, Comment, Contest, Language, Problem, ProblemClarification, Profile, Submission, \
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Ticket
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from judge.utils.cachedict import CacheDict
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from judge.utils.diggpaginator import DiggPaginator
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from judge.utils.problems import user_completed_ids
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from judge.utils.tickets import filter_visible_tickets
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from judge.utils.views import TitleMixin
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class PostList(ListView):
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model = BlogPost
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paginate_by = 10
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context_object_name = 'posts'
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template_name = 'blog/list.html'
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title = None
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def get_paginator(self, queryset, per_page, orphans=0,
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allow_empty_first_page=True, **kwargs):
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return DiggPaginator(queryset, per_page, body=6, padding=2,
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orphans=orphans, allow_empty_first_page=allow_empty_first_page, **kwargs)
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def get_queryset(self):
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queryset = BlogPost.objects.filter(visible=True, publish_on__lte=timezone.now()) \
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.order_by('-sticky', '-publish_on') \
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.prefetch_related('authors__user', 'organizations')
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if not self.request.user.has_perm('judge.edit_all_post'):
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filter = Q(is_organization_private=False)
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if self.request.user.is_authenticated:
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filter |= Q(organizations__in=self.request.profile.organizations.all())
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queryset = queryset.filter(filter)
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return queryset
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def get_context_data(self, **kwargs):
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context = super(PostList, self).get_context_data(**kwargs)
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context['title'] = self.title or _('Page %d of Posts') % context['page_obj'].number
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context['first_page_href'] = reverse('home')
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context['page_prefix'] = reverse('blog_post_list')
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context['comments'] = Comment.most_recent(self.request.user, 25)
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context['new_problems'] = Problem.objects.filter(is_public=True, is_organization_private=False) \
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.order_by('-date', '-id')[:settings.DMOJ_BLOG_NEW_PROBLEM_COUNT]
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context['page_titles'] = CacheDict(lambda page: Comment.get_page_title(page))
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context['has_clarifications'] = False
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if self.request.user.is_authenticated:
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participation = self.request.profile.current_contest
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if participation:
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clarifications = ProblemClarification.objects.filter(problem__in=participation.contest.problems.all())
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context['has_clarifications'] = clarifications.count() > 0
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context['clarifications'] = clarifications.order_by('-date')
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if participation.contest.is_editable_by(self.request.user):
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context['can_edit_contest'] = True
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context['user_count'] = lazy(Profile.objects.count, int, int)
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context['problem_count'] = lazy(Problem.objects.filter(is_public=True).count, int, int)
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context['submission_count'] = lazy(Submission.objects.count, int, int)
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context['language_count'] = lazy(Language.objects.count, int, int)
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context['post_comment_counts'] = {
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int(page[2:]): count for page, count in
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Comment.objects
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.filter(page__in=['b:%d' % post.id for post in context['posts']], hidden=False)
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.values_list('page').annotate(count=Count('page')).order_by()
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}
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now = timezone.now()
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# Dashboard stuff
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if self.request.user.is_authenticated:
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user = self.request.profile
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context['recently_attempted_problems'] = (Submission.objects.filter(user=user)
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.exclude(problem__in=user_completed_ids(user))
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.values_list('problem__code', 'problem__name', 'problem__points')
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.annotate(points=Max('points'), latest=Max('date'))
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.order_by('-latest')
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[:settings.DMOJ_BLOG_RECENTLY_ATTEMPTED_PROBLEMS_COUNT])
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visible_contests = Contest.get_visible_contests(self.request.user).filter(is_visible=True) \
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.order_by('start_time')
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context['current_contests'] = visible_contests.filter(start_time__lte=now, end_time__gt=now)
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context['future_contests'] = visible_contests.filter(start_time__gt=now)
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visible_contests = Contest.get_visible_contests(self.request.user).filter(is_visible=True)
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if self.request.user.is_authenticated:
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profile = self.request.profile
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context['own_open_tickets'] = (Ticket.objects.filter(Q(user=profile) | Q(assignees__in=[profile]), is_open=True).order_by('-id')
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.prefetch_related('linked_item').select_related('user__user'))
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else:
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profile = None
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context['own_open_tickets'] = []
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# Superusers better be staffs, not the spell-casting kind either.
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if self.request.user.is_staff:
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tickets = (Ticket.objects.order_by('-id').filter(is_open=True).prefetch_related('linked_item')
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.select_related('user__user'))
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context['open_tickets'] = filter_visible_tickets(tickets, self.request.user, profile)[:10]
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else:
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context['open_tickets'] = []
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return context
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class PostView(TitleMixin, CommentedDetailView):
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model = BlogPost
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pk_url_kwarg = 'id'
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context_object_name = 'post'
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template_name = 'blog/blog.html'
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def get_title(self):
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return self.object.title
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def get_comment_page(self):
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return 'b:%s' % self.object.id
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def get_context_data(self, **kwargs):
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context = super(PostView, self).get_context_data(**kwargs)
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context['og_image'] = self.object.og_image
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return context
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def get_object(self, queryset=None):
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post = super(PostView, self).get_object(queryset)
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if not post.can_see(self.request.user):
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raise Http404()
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return post
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