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annotate gpp/weblinks/views.py @ 522:82b97697312e

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Created Celery tasks to process new posts and topics. Keep the updated topic set in Redis. This is for tickets #194, #237, #239.
author Brian Neal <bgneal@gmail.com>
date Sun, 18 Dec 2011 23:46:52 +0000
parents 75ea1a8be7f2
children
rev   line source
gremmie@1 1 """
gremmie@1 2 Views for the weblinks application.
gremmie@1 3 """
gremmie@1 4
gremmie@1 5 import datetime
gremmie@1 6 import random
gremmie@1 7 from django.shortcuts import render_to_response
gremmie@1 8 from django.template import RequestContext
bgneal@92 9 from django.core.paginator import InvalidPage
bgneal@165 10 from django.http import HttpResponse
bgneal@165 11 from django.http import HttpResponseBadRequest
gremmie@1 12 from django.http import HttpResponseRedirect
gremmie@1 13 from django.contrib.auth.decorators import login_required
gremmie@1 14 from django.shortcuts import get_object_or_404
gremmie@1 15 from django.core.urlresolvers import reverse
gremmie@1 16 from django.db.models import Q
gremmie@1 17 from django.http import Http404
bgneal@165 18 from django.views.decorators.http import require_POST
gremmie@1 19
gremmie@1 20 from core.paginator import DiggPaginator
gremmie@1 21 from core.functions import email_admins
bgneal@242 22 from core.functions import get_page
gremmie@1 23 from weblinks.models import Category
gremmie@1 24 from weblinks.models import Link
gremmie@1 25 from weblinks.models import FlaggedLink
gremmie@1 26 from weblinks.forms import AddLinkForm
gremmie@1 27
gremmie@1 28 #######################################################################
gremmie@1 29
gremmie@1 30 LINKS_PER_PAGE = 10
gremmie@1 31
gremmie@1 32 def create_paginator(links):
gremmie@1 33 return DiggPaginator(links, LINKS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1 34
gremmie@1 35 #######################################################################
gremmie@1 36
gremmie@1 37 def link_index(request):
gremmie@1 38 categories = Category.objects.all()
gremmie@1 39 total_links = Link.public_objects.all().count()
gremmie@1 40 return render_to_response('weblinks/index.html', {
gremmie@1 41 'categories': categories,
gremmie@1 42 'total_links': total_links,
gremmie@1 43 },
gremmie@1 44 context_instance = RequestContext(request))
gremmie@1 45
gremmie@1 46 #######################################################################
gremmie@1 47
gremmie@1 48 def new_links(request):
bgneal@242 49 links = Link.public_objects.order_by('-date_added')
bgneal@242 50 paginator = create_paginator(links)
bgneal@242 51 page = get_page(request.GET)
bgneal@242 52 try:
bgneal@242 53 the_page = paginator.page(page)
bgneal@242 54 except InvalidPage:
bgneal@242 55 raise Http404
bgneal@242 56
gremmie@1 57 return render_to_response('weblinks/link_summary.html', {
bgneal@242 58 'page': the_page,
gremmie@1 59 'title': 'Newest Links',
gremmie@1 60 },
gremmie@1 61 context_instance = RequestContext(request))
gremmie@1 62
gremmie@1 63 #######################################################################
gremmie@1 64
gremmie@1 65 def popular_links(request):
bgneal@242 66 links = Link.public_objects.order_by('-hits')
bgneal@242 67 paginator = create_paginator(links)
bgneal@242 68 page = get_page(request.GET)
bgneal@242 69 try:
bgneal@242 70 the_page = paginator.page(page)
bgneal@242 71 except InvalidPage:
bgneal@242 72 raise Http404
gremmie@1 73 return render_to_response('weblinks/link_summary.html', {
bgneal@242 74 'page': the_page,
gremmie@1 75 'title': 'Popular Links',
gremmie@1 76 },
gremmie@1 77 context_instance = RequestContext(request))
gremmie@1 78
gremmie@1 79 #######################################################################
gremmie@1 80
gremmie@1 81 @login_required
gremmie@1 82 def add_link(request):
gremmie@1 83 if request.method == 'POST':
gremmie@1 84 add_form = AddLinkForm(request.POST)
gremmie@1 85 if add_form.is_valid():
gremmie@1 86 new_link = add_form.save(commit=False)
gremmie@1 87 new_link.user = request.user
gremmie@1 88 new_link.save()
gremmie@1 89 email_admins('New link for approval', """Hello,
gremmie@1 90
gremmie@1 91 A user has added a new link for your approval.
gremmie@1 92 """)
bgneal@242 93 return HttpResponseRedirect(reverse('weblinks-add_thanks'))
gremmie@1 94 else:
gremmie@1 95 add_form = AddLinkForm()
gremmie@1 96
gremmie@1 97 return render_to_response('weblinks/add_link.html', {
gremmie@1 98 'add_form': add_form,
gremmie@1 99 },
gremmie@1 100 context_instance = RequestContext(request))
gremmie@1 101
gremmie@1 102 #######################################################################
gremmie@1 103
gremmie@1 104 @login_required
gremmie@1 105 def add_thanks(request):
gremmie@1 106 return render_to_response('weblinks/add_link.html', {
gremmie@1 107 },
gremmie@1 108 context_instance = RequestContext(request))
gremmie@1 109
gremmie@1 110 #######################################################################
gremmie@1 111
gremmie@1 112 # Maps URL component to database field name for the links table:
gremmie@1 113
gremmie@1 114 LINK_FIELD_MAP = {
gremmie@1 115 'title': 'title',
gremmie@1 116 'date': '-date_added',
gremmie@1 117 'hits': '-hits'
gremmie@1 118 }
gremmie@1 119
bgneal@242 120 def view_links(request, slug, sort='title'):
gremmie@1 121 try:
bgneal@242 122 cat = Category.objects.get(slug=slug)
gremmie@1 123 except Category.DoesNotExist:
gremmie@1 124 raise Http404
gremmie@1 125
gremmie@1 126 if sort in LINK_FIELD_MAP:
gremmie@1 127 order_by = LINK_FIELD_MAP[sort]
gremmie@1 128 else:
gremmie@1 129 sort = 'title'
gremmie@1 130 order_by = LINK_FIELD_MAP['title']
gremmie@1 131
bgneal@242 132 links = Link.public_objects.filter(category=cat).order_by(order_by)
gremmie@1 133 paginator = create_paginator(links)
bgneal@242 134 page = get_page(request.GET)
gremmie@1 135 try:
bgneal@242 136 the_page = paginator.page(page)
gremmie@1 137 except InvalidPage:
gremmie@1 138 raise Http404
gremmie@1 139
gremmie@1 140 return render_to_response('weblinks/view_links.html', {
gremmie@1 141 's' : sort,
gremmie@1 142 'category' : cat,
gremmie@1 143 'page' : the_page,
gremmie@1 144 },
gremmie@1 145 context_instance = RequestContext(request))
gremmie@1 146
gremmie@1 147 #######################################################################
gremmie@1 148
gremmie@1 149 def _visit_link(request, link):
gremmie@1 150 link.hits += 1
gremmie@1 151 link.save()
gremmie@1 152 return HttpResponseRedirect(link.url)
gremmie@1 153
gremmie@1 154 #######################################################################
gremmie@1 155
bgneal@208 156 @require_POST
gremmie@1 157 def visit(request, link_id):
gremmie@1 158 link = get_object_or_404(Link, pk = link_id)
gremmie@1 159 return _visit_link(request, link)
gremmie@1 160
gremmie@1 161 #######################################################################
gremmie@1 162
bgneal@208 163 @require_POST
gremmie@1 164 def random_link(request):
gremmie@1 165 ids = Link.public_objects.values_list('id', flat=True)
gremmie@1 166 if not ids:
gremmie@1 167 raise Http404
gremmie@1 168 id = random.choice(ids)
gremmie@1 169 random_link = Link.public_objects.get(pk=id)
gremmie@1 170 return _visit_link(request, random_link)
gremmie@1 171
gremmie@1 172 #######################################################################
gremmie@1 173
bgneal@165 174 @require_POST
gremmie@1 175 def report_link(request, link_id):
bgneal@165 176 """
bgneal@165 177 This function is the target of an AJAX POST to report a link as dead.
bgneal@165 178 """
bgneal@165 179 if not request.user.is_authenticated():
bgneal@165 180 return HttpResponse('Please login or register to report a broken link.')
gremmie@1 181
bgneal@165 182 try:
bgneal@165 183 link = Link.objects.get(pk=link_id)
bgneal@165 184 except Link.DoesNotExist:
bgneal@165 185 return HttpResponseBadRequest("That link doesn't exist.")
gremmie@1 186
bgneal@165 187 FlaggedLink.objects.create(link, request.user)
bgneal@165 188 return HttpResponse("The link was reported. A moderator will review the " \
bgneal@165 189 "link shortly. Thanks for helping to improve the content on " \
bgneal@165 190 "this site.")
gremmie@1 191
gremmie@1 192 #######################################################################
gremmie@1 193
bgneal@20 194 def link_detail(request, id):
bgneal@20 195 link = get_object_or_404(Link, pk=id)
bgneal@20 196 return render_to_response('weblinks/link_detail.html', {
bgneal@20 197 'link': link,
bgneal@20 198 },
bgneal@20 199 context_instance = RequestContext(request))