Mercurial > public > sg101
view gpp/weblinks/views.py @ 300:58e9b8b2965f
Fixing #135; adjusted cache timeout value to 60 seconds.
author | Brian Neal <bgneal@gmail.com> |
---|---|
date | Tue, 11 Jan 2011 04:04:44 +0000 |
parents | 75ea1a8be7f2 |
children |
line wrap: on
line source
""" Views for the weblinks application. """ import datetime import random from django.shortcuts import render_to_response from django.template import RequestContext from django.core.paginator import InvalidPage from django.http import HttpResponse from django.http import HttpResponseBadRequest from django.http import HttpResponseRedirect from django.contrib.auth.decorators import login_required from django.shortcuts import get_object_or_404 from django.core.urlresolvers import reverse from django.db.models import Q from django.http import Http404 from django.views.decorators.http import require_POST from core.paginator import DiggPaginator from core.functions import email_admins from core.functions import get_page from weblinks.models import Category from weblinks.models import Link from weblinks.models import FlaggedLink from weblinks.forms import AddLinkForm ####################################################################### LINKS_PER_PAGE = 10 def create_paginator(links): return DiggPaginator(links, LINKS_PER_PAGE, body=5, tail=3, margin=3, padding=2) ####################################################################### def link_index(request): categories = Category.objects.all() total_links = Link.public_objects.all().count() return render_to_response('weblinks/index.html', { 'categories': categories, 'total_links': total_links, }, context_instance = RequestContext(request)) ####################################################################### def new_links(request): links = Link.public_objects.order_by('-date_added') paginator = create_paginator(links) page = get_page(request.GET) try: the_page = paginator.page(page) except InvalidPage: raise Http404 return render_to_response('weblinks/link_summary.html', { 'page': the_page, 'title': 'Newest Links', }, context_instance = RequestContext(request)) ####################################################################### def popular_links(request): links = Link.public_objects.order_by('-hits') paginator = create_paginator(links) page = get_page(request.GET) try: the_page = paginator.page(page) except InvalidPage: raise Http404 return render_to_response('weblinks/link_summary.html', { 'page': the_page, 'title': 'Popular Links', }, context_instance = RequestContext(request)) ####################################################################### @login_required def add_link(request): if request.method == 'POST': add_form = AddLinkForm(request.POST) if add_form.is_valid(): new_link = add_form.save(commit=False) new_link.user = request.user new_link.save() email_admins('New link for approval', """Hello, A user has added a new link for your approval. """) return HttpResponseRedirect(reverse('weblinks-add_thanks')) else: add_form = AddLinkForm() return render_to_response('weblinks/add_link.html', { 'add_form': add_form, }, context_instance = RequestContext(request)) ####################################################################### @login_required def add_thanks(request): return render_to_response('weblinks/add_link.html', { }, context_instance = RequestContext(request)) ####################################################################### # Maps URL component to database field name for the links table: LINK_FIELD_MAP = { 'title': 'title', 'date': '-date_added', 'hits': '-hits' } def view_links(request, slug, sort='title'): try: cat = Category.objects.get(slug=slug) except Category.DoesNotExist: raise Http404 if sort in LINK_FIELD_MAP: order_by = LINK_FIELD_MAP[sort] else: sort = 'title' order_by = LINK_FIELD_MAP['title'] links = Link.public_objects.filter(category=cat).order_by(order_by) paginator = create_paginator(links) page = get_page(request.GET) try: the_page = paginator.page(page) except InvalidPage: raise Http404 return render_to_response('weblinks/view_links.html', { 's' : sort, 'category' : cat, 'page' : the_page, }, context_instance = RequestContext(request)) ####################################################################### def _visit_link(request, link): link.hits += 1 link.save() return HttpResponseRedirect(link.url) ####################################################################### @require_POST def visit(request, link_id): link = get_object_or_404(Link, pk = link_id) return _visit_link(request, link) ####################################################################### @require_POST def random_link(request): ids = Link.public_objects.values_list('id', flat=True) if not ids: raise Http404 id = random.choice(ids) random_link = Link.public_objects.get(pk=id) return _visit_link(request, random_link) ####################################################################### @require_POST def report_link(request, link_id): """ This function is the target of an AJAX POST to report a link as dead. """ if not request.user.is_authenticated(): return HttpResponse('Please login or register to report a broken link.') try: link = Link.objects.get(pk=link_id) except Link.DoesNotExist: return HttpResponseBadRequest("That link doesn't exist.") FlaggedLink.objects.create(link, request.user) return HttpResponse("The link was reported. A moderator will review the " \ "link shortly. Thanks for helping to improve the content on " \ "this site.") ####################################################################### def link_detail(request, id): link = get_object_or_404(Link, pk=id) return render_to_response('weblinks/link_detail.html', { 'link': link, }, context_instance = RequestContext(request))