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annotate gpp/downloads/views.py @ 53:f882ac8ce255

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Fix xhtml error in POTD template.
author Brian Neal <bgneal@gmail.com>
date Sun, 21 Jun 2009 22:41:58 +0000
parents a5f27f25fa52
children 62eb9cbbcffc
rev   line source
gremmie@1 1 """
gremmie@1 2 Views for the downloads application.
gremmie@1 3 """
gremmie@1 4 import random
gremmie@1 5
gremmie@1 6 from django.shortcuts import render_to_response
gremmie@1 7 from django.template import RequestContext
gremmie@1 8 from django.contrib.auth.decorators import login_required
gremmie@1 9 from django.http import Http404
gremmie@1 10 from django.http import HttpResponse
gremmie@1 11 from django.http import HttpResponseRedirect
gremmie@1 12 from django.http import HttpResponseForbidden
gremmie@1 13 from django.http import HttpResponseBadRequest
gremmie@1 14 from django.core.urlresolvers import reverse
gremmie@1 15 from django.db.models import Q
gremmie@1 16 from django.views.decorators.http import require_POST
gremmie@1 17
gremmie@1 18 from core.paginator import DiggPaginator
gremmie@1 19 from core.functions import email_admins
gremmie@1 20 from downloads.models import Category
gremmie@1 21 from downloads.models import Download
gremmie@1 22 from downloads.models import VoteRecord
gremmie@1 23 from downloads.forms import AddDownloadForm
gremmie@1 24 from downloads.forms import SearchForm
gremmie@1 25
gremmie@1 26 #######################################################################
gremmie@1 27
gremmie@1 28 DLS_PER_PAGE = 10
gremmie@1 29
gremmie@1 30 def create_paginator(dls):
gremmie@1 31 return DiggPaginator(dls, DLS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1 32
gremmie@1 33 #######################################################################
gremmie@1 34
gremmie@1 35 @login_required
gremmie@1 36 def index(request):
gremmie@1 37 categories = Category.objects.all()
gremmie@1 38 total_dls = Download.public_objects.all().count()
gremmie@1 39 return render_to_response('downloads/index.html', {
gremmie@1 40 'categories': categories,
gremmie@1 41 'total_dls': total_dls,
gremmie@1 42 },
gremmie@1 43 context_instance = RequestContext(request))
gremmie@1 44
gremmie@1 45 #######################################################################
gremmie@1 46 # Maps URL component to database field name for the Download table:
gremmie@1 47
gremmie@1 48 DOWNLOAD_FIELD_MAP = {
gremmie@1 49 'title': 'title',
gremmie@1 50 'date': '-date_added',
gremmie@1 51 'rating': '-average_score',
gremmie@1 52 'hits': '-hits'
gremmie@1 53 }
gremmie@1 54
gremmie@1 55 @login_required
gremmie@1 56 def category(request, category, sort='title', page='1'):
gremmie@1 57 try:
gremmie@1 58 cat = Category.objects.get(pk=category)
gremmie@1 59 except Category.DoesNotExist:
gremmie@1 60 raise Http404
gremmie@1 61
gremmie@1 62 if sort not in DOWNLOAD_FIELD_MAP:
gremmie@1 63 sort = 'title'
gremmie@1 64 order_by = DOWNLOAD_FIELD_MAP[sort]
gremmie@1 65
gremmie@1 66 downloads = Download.public_objects.filter(category=cat.pk).order_by(order_by)
gremmie@1 67 paginator = create_paginator(downloads)
gremmie@1 68 try:
gremmie@1 69 the_page = paginator.page(int(page))
gremmie@1 70 except InvalidPage:
gremmie@1 71 raise Http404
gremmie@1 72
gremmie@1 73 return render_to_response('downloads/download_list.html', {
gremmie@1 74 's' : sort,
gremmie@1 75 'category' : cat,
gremmie@1 76 'page' : the_page,
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 new(request):
gremmie@1 84 downloads = Download.public_objects.order_by('-date_added')[:DLS_PER_PAGE]
gremmie@1 85 return render_to_response('downloads/download_summary.html', {
gremmie@1 86 'downloads' : downloads,
gremmie@1 87 'title' : 'Newest Downloads',
gremmie@1 88 },
gremmie@1 89 context_instance = RequestContext(request))
gremmie@1 90
gremmie@1 91 #######################################################################
gremmie@1 92
gremmie@1 93 @login_required
gremmie@1 94 def popular(request):
gremmie@1 95 downloads = Download.public_objects.order_by('-hits')[:DLS_PER_PAGE]
gremmie@1 96 return render_to_response('downloads/download_summary.html', {
gremmie@1 97 'downloads' : downloads,
gremmie@1 98 'title' : 'Popular Downloads',
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 rating(request):
gremmie@1 106 downloads = Download.public_objects.order_by('-average_score')[:DLS_PER_PAGE]
gremmie@1 107 return render_to_response('downloads/download_summary.html', {
gremmie@1 108 'downloads' : downloads,
gremmie@1 109 'title' : 'Highest Rated Downloads',
gremmie@1 110 },
gremmie@1 111 context_instance = RequestContext(request))
gremmie@1 112
gremmie@1 113 #######################################################################
gremmie@1 114
gremmie@1 115 @login_required
gremmie@1 116 def download(request, id):
gremmie@1 117 download = Download.public_objects.get(pk=id)
gremmie@1 118 if download is None:
gremmie@1 119 raise Http404
gremmie@1 120 return _redirect_download(download)
gremmie@1 121
gremmie@1 122 #######################################################################
gremmie@1 123
gremmie@1 124 def _redirect_download(download):
gremmie@1 125 download.hits += 1
gremmie@1 126 download.save()
gremmie@1 127 return HttpResponseRedirect(download.file.url)
gremmie@1 128
gremmie@1 129 #######################################################################
gremmie@1 130
gremmie@1 131 @login_required
bgneal@23 132 def details(request, id):
gremmie@1 133 download = Download.public_objects.get(pk=id)
gremmie@1 134 if download is None:
gremmie@1 135 raise Http404
bgneal@23 136 return render_to_response('downloads/download_detail.html', {
gremmie@1 137 'download' : download,
gremmie@1 138 },
gremmie@1 139 context_instance = RequestContext(request))
gremmie@1 140
gremmie@1 141 #######################################################################
gremmie@1 142
gremmie@1 143 @login_required
gremmie@1 144 def random_download(request):
gremmie@1 145 ids = Download.public_objects.values_list('id', flat=True)
gremmie@1 146 if not ids:
gremmie@1 147 raise Http404
gremmie@1 148 id = random.choice(ids)
gremmie@1 149 download = Download.objects.get(pk=id)
gremmie@1 150 return _redirect_download(download)
gremmie@1 151
gremmie@1 152 #######################################################################
gremmie@1 153
gremmie@1 154 @login_required
gremmie@1 155 def add(request):
gremmie@1 156 if request.method == 'POST':
gremmie@1 157 form = AddDownloadForm(request.POST, request.FILES)
gremmie@1 158 if form.is_valid():
gremmie@1 159 dl = form.save(commit=False)
gremmie@1 160 dl.user = request.user
gremmie@1 161 dl.ip_address = request.META.get('REMOTE_ADDR', None)
gremmie@1 162 dl.is_public = False
gremmie@1 163 dl.save()
gremmie@1 164 email_admins('New download for approval', """Hello,
gremmie@1 165
gremmie@1 166 A user has uploaded a new download for your approval.
gremmie@1 167 """)
gremmie@1 168 return HttpResponseRedirect(reverse('downloads-add_thanks'))
gremmie@1 169 else:
gremmie@1 170 form = AddDownloadForm()
gremmie@1 171
gremmie@1 172 return render_to_response('downloads/add.html', {
gremmie@1 173 'add_form': form,
gremmie@1 174 },
gremmie@1 175 context_instance=RequestContext(request))
gremmie@1 176
gremmie@1 177 #######################################################################
gremmie@1 178
gremmie@1 179 @login_required
gremmie@1 180 def thanks(request):
gremmie@1 181 return render_to_response('downloads/thanks.html', {
gremmie@1 182 },
gremmie@1 183 context_instance=RequestContext(request))
gremmie@1 184
gremmie@1 185 #######################################################################
gremmie@1 186
gremmie@1 187 @login_required
gremmie@1 188 def search(request, page=1):
gremmie@1 189 if request.method == 'POST':
gremmie@1 190 form = SearchForm(request.POST)
gremmie@1 191 if form.is_valid():
gremmie@1 192 query_text = form.query()
gremmie@1 193 page = 1
gremmie@1 194 else:
gremmie@1 195 return HttpResponseRedirect(reverse('downloads-index'))
gremmie@1 196 else:
gremmie@1 197 if 'query' in request.GET:
gremmie@1 198 query_text = request.GET['query']
gremmie@1 199 else:
gremmie@1 200 return HttpResponseRedirect(reverse('downloads-index'))
gremmie@1 201
gremmie@1 202 dls = Download.objects.filter(
gremmie@1 203 Q(title__icontains = query_text) |
gremmie@1 204 Q(description__icontains = query_text)).order_by('title')
gremmie@1 205 paginator = create_paginator(dls)
gremmie@1 206 try:
gremmie@1 207 the_page = paginator.page(int(page))
gremmie@1 208 except EmptyPage:
gremmie@1 209 dls = Download.objects.none()
gremmie@1 210 except InvalidPage:
gremmie@1 211 raise Http404
gremmie@1 212
gremmie@1 213 return render_to_response('downloads/search_results.html', {
gremmie@1 214 'query': query_text,
gremmie@1 215 'page': the_page,
gremmie@1 216 },
gremmie@1 217 context_instance = RequestContext(request))
gremmie@1 218
gremmie@1 219 #######################################################################
gremmie@1 220
gremmie@1 221 @require_POST
gremmie@1 222 def rate_download(request):
gremmie@1 223 """This function is called by AJAX to rate a download."""
gremmie@1 224 if request.user.is_authenticated():
gremmie@1 225 id = request.POST.get('id', None)
gremmie@1 226 rating = request.POST.get('rating', None)
gremmie@1 227 if id is None or rating is None:
gremmie@1 228 return HttpResponseBadRequest('Missing id or rating.')
gremmie@1 229
gremmie@1 230 try:
gremmie@1 231 rating = int(rating)
gremmie@1 232 except ValueError:
gremmie@1 233 return HttpResponseBadRequest('Invalid rating.')
gremmie@1 234
gremmie@1 235 # rating will be from 0-4
gremmie@1 236 rating = min(5, max(1, rating))
gremmie@1 237
gremmie@1 238 try:
gremmie@1 239 download = Download.public_objects.get(pk=id)
gremmie@1 240 except Download.DoesNotExist:
gremmie@1 241 return HttpResponseBadRequest('Invalid download id.')
gremmie@1 242
gremmie@1 243 # prevent multiple votes from the same user
gremmie@1 244 vote_record, created = VoteRecord.objects.get_or_create(download=download, user=request.user)
gremmie@1 245 if created:
gremmie@1 246 new_score = download.vote(rating)
gremmie@1 247 download.save()
gremmie@1 248 return HttpResponse(str(new_score))
gremmie@1 249 else:
gremmie@1 250 return HttpResponse('-1')
gremmie@1 251
gremmie@1 252 return HttpResponseForbidden('You must be logged in to rate a download.')