Mercurial > public > sg101

annotate gpp/weblinks/views.py @ 252:e3958aacd8dd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Adding a way to expedite mail by bypassing the mail queue.
author Brian Neal <bgneal@gmail.com>
date Mon, 20 Sep 2010 00:40:01 +0000
parents 7e8d2dda99e3
children 75ea1a8be7f2
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
gremmie@1 9 from django.contrib import auth
bgneal@92 10 from django.core.paginator import InvalidPage
bgneal@165 11 from django.http import HttpResponse
bgneal@165 12 from django.http import HttpResponseBadRequest
gremmie@1 13 from django.http import HttpResponseRedirect
gremmie@1 14 from django.contrib.auth.decorators import login_required
gremmie@1 15 from django.shortcuts import get_object_or_404
gremmie@1 16 from django.core.urlresolvers import reverse
gremmie@1 17 from django.db.models import Q
gremmie@1 18 from django.http import Http404
bgneal@165 19 from django.views.decorators.http import require_POST
gremmie@1 20
gremmie@1 21 from core.paginator import DiggPaginator
gremmie@1 22 from core.functions import email_admins
bgneal@242 23 from core.functions import get_page
gremmie@1 24 from weblinks.models import Category
gremmie@1 25 from weblinks.models import Link
gremmie@1 26 from weblinks.models import FlaggedLink
gremmie@1 27 from weblinks.forms import AddLinkForm
gremmie@1 28
gremmie@1 29 #######################################################################
gremmie@1 30
gremmie@1 31 LINKS_PER_PAGE = 10
gremmie@1 32
gremmie@1 33 def create_paginator(links):
gremmie@1 34 return DiggPaginator(links, LINKS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1 35
gremmie@1 36 #######################################################################
gremmie@1 37
gremmie@1 38 def link_index(request):
gremmie@1 39 categories = Category.objects.all()
gremmie@1 40 total_links = Link.public_objects.all().count()
gremmie@1 41 return render_to_response('weblinks/index.html', {
gremmie@1 42 'categories': categories,
gremmie@1 43 'total_links': total_links,
gremmie@1 44 },
gremmie@1 45 context_instance = RequestContext(request))
gremmie@1 46
gremmie@1 47 #######################################################################
gremmie@1 48
gremmie@1 49 def new_links(request):
bgneal@242 50 links = Link.public_objects.order_by('-date_added')
bgneal@242 51 paginator = create_paginator(links)
bgneal@242 52 page = get_page(request.GET)
bgneal@242 53 try:
bgneal@242 54 the_page = paginator.page(page)
bgneal@242 55 except InvalidPage:
bgneal@242 56 raise Http404
bgneal@242 57
gremmie@1 58 return render_to_response('weblinks/link_summary.html', {
bgneal@242 59 'page': the_page,
gremmie@1 60 'title': 'Newest Links',
gremmie@1 61 },
gremmie@1 62 context_instance = RequestContext(request))
gremmie@1 63
gremmie@1 64 #######################################################################
gremmie@1 65
gremmie@1 66 def popular_links(request):
bgneal@242 67 links = Link.public_objects.order_by('-hits')
bgneal@242 68 paginator = create_paginator(links)
bgneal@242 69 page = get_page(request.GET)
bgneal@242 70 try:
bgneal@242 71 the_page = paginator.page(page)
bgneal@242 72 except InvalidPage:
bgneal@242 73 raise Http404
gremmie@1 74 return render_to_response('weblinks/link_summary.html', {
bgneal@242 75 'page': the_page,
gremmie@1 76 'title': 'Popular Links',
gremmie@1 77 },
gremmie@1 78 context_instance = RequestContext(request))
gremmie@1 79
gremmie@1 80 #######################################################################
gremmie@1 81
gremmie@1 82 @login_required
gremmie@1 83 def add_link(request):
gremmie@1 84 if request.method == 'POST':
gremmie@1 85 add_form = AddLinkForm(request.POST)
gremmie@1 86 if add_form.is_valid():
gremmie@1 87 new_link = add_form.save(commit=False)
gremmie@1 88 new_link.user = request.user
gremmie@1 89 new_link.save()
gremmie@1 90 email_admins('New link for approval', """Hello,
gremmie@1 91
gremmie@1 92 A user has added a new link for your approval.
gremmie@1 93 """)
bgneal@242 94 return HttpResponseRedirect(reverse('weblinks-add_thanks'))
gremmie@1 95 else:
gremmie@1 96 add_form = AddLinkForm()
gremmie@1 97
gremmie@1 98 return render_to_response('weblinks/add_link.html', {
gremmie@1 99 'add_form': add_form,
gremmie@1 100 },
gremmie@1 101 context_instance = RequestContext(request))
gremmie@1 102
gremmie@1 103 #######################################################################
gremmie@1 104
gremmie@1 105 @login_required
gremmie@1 106 def add_thanks(request):
gremmie@1 107 return render_to_response('weblinks/add_link.html', {
gremmie@1 108 },
gremmie@1 109 context_instance = RequestContext(request))
gremmie@1 110
gremmie@1 111 #######################################################################
gremmie@1 112
gremmie@1 113 # Maps URL component to database field name for the links table:
gremmie@1 114
gremmie@1 115 LINK_FIELD_MAP = {
gremmie@1 116 'title': 'title',
gremmie@1 117 'date': '-date_added',
gremmie@1 118 'hits': '-hits'
gremmie@1 119 }
gremmie@1 120
bgneal@242 121 def view_links(request, slug, sort='title'):
gremmie@1 122 try:
bgneal@242 123 cat = Category.objects.get(slug=slug)
gremmie@1 124 except Category.DoesNotExist:
gremmie@1 125 raise Http404
gremmie@1 126
gremmie@1 127 if sort in LINK_FIELD_MAP:
gremmie@1 128 order_by = LINK_FIELD_MAP[sort]
gremmie@1 129 else:
gremmie@1 130 sort = 'title'
gremmie@1 131 order_by = LINK_FIELD_MAP['title']
gremmie@1 132
bgneal@242 133 links = Link.public_objects.filter(category=cat).order_by(order_by)
gremmie@1 134 paginator = create_paginator(links)
bgneal@242 135 page = get_page(request.GET)
gremmie@1 136 try:
bgneal@242 137 the_page = paginator.page(page)
gremmie@1 138 except InvalidPage:
gremmie@1 139 raise Http404
gremmie@1 140
gremmie@1 141 return render_to_response('weblinks/view_links.html', {
gremmie@1 142 's' : sort,
gremmie@1 143 'category' : cat,
gremmie@1 144 'page' : the_page,
gremmie@1 145 },
gremmie@1 146 context_instance = RequestContext(request))
gremmie@1 147
gremmie@1 148 #######################################################################
gremmie@1 149
gremmie@1 150 def _visit_link(request, link):
gremmie@1 151 link.hits += 1
gremmie@1 152 link.save()
gremmie@1 153 return HttpResponseRedirect(link.url)
gremmie@1 154
gremmie@1 155 #######################################################################
gremmie@1 156
bgneal@208 157 @require_POST
gremmie@1 158 def visit(request, link_id):
gremmie@1 159 link = get_object_or_404(Link, pk = link_id)
gremmie@1 160 return _visit_link(request, link)
gremmie@1 161
gremmie@1 162 #######################################################################
gremmie@1 163
bgneal@208 164 @require_POST
gremmie@1 165 def random_link(request):
gremmie@1 166 ids = Link.public_objects.values_list('id', flat=True)
gremmie@1 167 if not ids:
gremmie@1 168 raise Http404
gremmie@1 169 id = random.choice(ids)
gremmie@1 170 random_link = Link.public_objects.get(pk=id)
gremmie@1 171 return _visit_link(request, random_link)
gremmie@1 172
gremmie@1 173 #######################################################################
gremmie@1 174
bgneal@165 175 @require_POST
gremmie@1 176 def report_link(request, link_id):
bgneal@165 177 """
bgneal@165 178 This function is the target of an AJAX POST to report a link as dead.
bgneal@165 179 """
bgneal@165 180 if not request.user.is_authenticated():
bgneal@165 181 return HttpResponse('Please login or register to report a broken link.')
gremmie@1 182
bgneal@165 183 try:
bgneal@165 184 link = Link.objects.get(pk=link_id)
bgneal@165 185 except Link.DoesNotExist:
bgneal@165 186 return HttpResponseBadRequest("That link doesn't exist.")
gremmie@1 187
bgneal@165 188 FlaggedLink.objects.create(link, request.user)
bgneal@165 189 return HttpResponse("The link was reported. A moderator will review the " \
bgneal@165 190 "link shortly. Thanks for helping to improve the content on " \
bgneal@165 191 "this site.")
gremmie@1 192
gremmie@1 193 #######################################################################
gremmie@1 194
bgneal@20 195 def link_detail(request, id):
bgneal@20 196 link = get_object_or_404(Link, pk=id)
bgneal@20 197 return render_to_response('weblinks/link_detail.html', {
bgneal@20 198 'link': link,
bgneal@20 199 },
bgneal@20 200 context_instance = RequestContext(request))