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annotate downloads/views.py @ 1143:14334b2f2323

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author Brian Neal <bgneal@gmail.com>
date Wed, 09 Nov 2016 20:02:14 -0600
parents e1c03da72818
children 0e0cd152b86d
rev   line source
gremmie@1 1 """
gremmie@1 2 Views for the downloads application.
gremmie@1 3 """
bgneal@679 4 import json
gremmie@1 5
bgneal@1031 6 from django.shortcuts import render, get_object_or_404
gremmie@1 7 from django.contrib.auth.decorators import login_required
gremmie@1 8 from django.http import Http404
gremmie@1 9 from django.http import HttpResponse
gremmie@1 10 from django.http import HttpResponseRedirect
gremmie@1 11 from django.http import HttpResponseForbidden
gremmie@1 12 from django.http import HttpResponseBadRequest
bgneal@404 13 from django.http import HttpResponseNotFound
bgneal@92 14 from django.core.paginator import InvalidPage
gremmie@1 15 from django.core.urlresolvers import reverse
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
bgneal@241 20 from core.functions import get_page
gremmie@1 21 from downloads.models import Category
gremmie@1 22 from downloads.models import Download
gremmie@1 23 from downloads.models import VoteRecord
gremmie@1 24 from downloads.forms import AddDownloadForm
gremmie@1 25
gremmie@1 26 #######################################################################
gremmie@1 27
bgneal@242 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()
bgneal@1031 39 return render(request, 'downloads/index.html', {
gremmie@1 40 'categories': categories,
gremmie@1 41 'total_dls': total_dls,
bgneal@1031 42 })
gremmie@1 43
gremmie@1 44 #######################################################################
gremmie@1 45 # Maps URL component to database field name for the Download table:
gremmie@1 46
gremmie@1 47 DOWNLOAD_FIELD_MAP = {
bgneal@404 48 'title': 'title',
gremmie@1 49 'date': '-date_added',
gremmie@1 50 'rating': '-average_score',
gremmie@1 51 'hits': '-hits'
gremmie@1 52 }
gremmie@1 53
gremmie@1 54 @login_required
bgneal@241 55 def category(request, slug, sort='title'):
bgneal@480 56
bgneal@480 57 cat = get_object_or_404(Category, slug=slug)
gremmie@1 58
gremmie@1 59 if sort not in DOWNLOAD_FIELD_MAP:
gremmie@1 60 sort = 'title'
gremmie@1 61 order_by = DOWNLOAD_FIELD_MAP[sort]
gremmie@1 62
bgneal@190 63 downloads = Download.public_objects.filter(category=cat.pk).order_by(
bgneal@190 64 order_by)
gremmie@1 65 paginator = create_paginator(downloads)
bgneal@241 66 page = get_page(request.GET)
gremmie@1 67 try:
bgneal@241 68 the_page = paginator.page(page)
gremmie@1 69 except InvalidPage:
gremmie@1 70 raise Http404
gremmie@1 71
bgneal@1031 72 return render(request, 'downloads/download_list.html', {
gremmie@1 73 's' : sort,
gremmie@1 74 'category' : cat,
bgneal@404 75 'page' : the_page,
bgneal@1031 76 })
gremmie@1 77
gremmie@1 78 #######################################################################
gremmie@1 79
gremmie@1 80 @login_required
gremmie@1 81 def new(request):
bgneal@243 82 """Display new downloads with pagination."""
bgneal@243 83
bgneal@243 84 downloads = Download.public_objects.order_by('-date_added')
bgneal@243 85
bgneal@243 86 paginator = create_paginator(downloads)
bgneal@243 87 page = get_page(request.GET)
bgneal@243 88 try:
bgneal@243 89 the_page = paginator.page(page)
bgneal@243 90 except InvalidPage:
bgneal@243 91 raise Http404
bgneal@243 92
bgneal@1031 93 return render(request, 'downloads/download_summary.html', {
bgneal@243 94 'page': the_page,
bgneal@243 95 'title': 'Newest Downloads',
bgneal@1031 96 })
gremmie@1 97
gremmie@1 98 #######################################################################
gremmie@1 99
gremmie@1 100 @login_required
gremmie@1 101 def popular(request):
bgneal@243 102 """Display popular downloads with pagination."""
bgneal@243 103
bgneal@243 104 downloads = Download.public_objects.order_by('-hits')
bgneal@243 105
bgneal@243 106 paginator = create_paginator(downloads)
bgneal@243 107 page = get_page(request.GET)
bgneal@243 108 try:
bgneal@243 109 the_page = paginator.page(page)
bgneal@243 110 except InvalidPage:
bgneal@243 111 raise Http404
bgneal@243 112
bgneal@1031 113 return render(request, 'downloads/download_summary.html', {
bgneal@243 114 'page': the_page,
bgneal@243 115 'title': 'Popular Downloads',
bgneal@1031 116 })
gremmie@1 117
gremmie@1 118 #######################################################################
gremmie@1 119
gremmie@1 120 @login_required
gremmie@1 121 def rating(request):
bgneal@243 122 """Display downloads by rating with pagination."""
bgneal@243 123
bgneal@243 124 downloads = Download.public_objects.order_by('-average_score')
bgneal@243 125 paginator = create_paginator(downloads)
bgneal@243 126 page = get_page(request.GET)
bgneal@243 127 try:
bgneal@243 128 the_page = paginator.page(page)
bgneal@243 129 except InvalidPage:
bgneal@243 130 raise Http404
bgneal@243 131
bgneal@1031 132 return render(request, 'downloads/download_summary.html', {
bgneal@243 133 'page': the_page,
bgneal@243 134 'title': 'Highest Rated Downloads',
bgneal@1031 135 })
gremmie@1 136
gremmie@1 137 #######################################################################
gremmie@1 138
gremmie@1 139 @login_required
bgneal@23 140 def details(request, id):
bgneal@480 141 download = get_object_or_404(Download.public_objects, pk=id)
bgneal@845 142 if not download.is_public:
bgneal@845 143 raise Http404
bgneal@1031 144 return render(request, 'downloads/download_detail.html', {
gremmie@1 145 'download' : download,
bgneal@1031 146 })
gremmie@1 147
gremmie@1 148 #######################################################################
gremmie@1 149
gremmie@1 150 @login_required
gremmie@1 151 def add(request):
gremmie@1 152 if request.method == 'POST':
gremmie@1 153 form = AddDownloadForm(request.POST, request.FILES)
gremmie@1 154 if form.is_valid():
gremmie@1 155 dl = form.save(commit=False)
gremmie@1 156 dl.user = request.user
gremmie@1 157 dl.ip_address = request.META.get('REMOTE_ADDR', None)
bgneal@1023 158 dl.save(html=form.html)
gremmie@1 159 email_admins('New download for approval', """Hello,
gremmie@1 160
gremmie@1 161 A user has uploaded a new download for your approval.
gremmie@1 162 """)
gremmie@1 163 return HttpResponseRedirect(reverse('downloads-add_thanks'))
gremmie@1 164 else:
gremmie@1 165 form = AddDownloadForm()
gremmie@1 166
bgneal@1031 167 return render(request, 'downloads/add.html', {
gremmie@1 168 'add_form': form,
bgneal@1031 169 })
gremmie@1 170
gremmie@1 171 #######################################################################
gremmie@1 172
gremmie@1 173 @login_required
gremmie@1 174 def thanks(request):
bgneal@1031 175 return render(request, 'downloads/thanks.html', {
bgneal@1031 176 })
gremmie@1 177
gremmie@1 178 #######################################################################
gremmie@1 179
gremmie@1 180 @require_POST
gremmie@1 181 def rate_download(request):
gremmie@1 182 """This function is called by AJAX to rate a download."""
gremmie@1 183 if request.user.is_authenticated():
gremmie@1 184 id = request.POST.get('id', None)
gremmie@1 185 rating = request.POST.get('rating', None)
gremmie@1 186 if id is None or rating is None:
gremmie@1 187 return HttpResponseBadRequest('Missing id or rating.')
bgneal@404 188
gremmie@1 189 try:
gremmie@1 190 rating = int(rating)
gremmie@1 191 except ValueError:
gremmie@1 192 return HttpResponseBadRequest('Invalid rating.')
gremmie@1 193
gremmie@1 194 # rating will be from 0-4
gremmie@1 195 rating = min(5, max(1, rating))
gremmie@1 196
bgneal@480 197 download = get_object_or_404(Download.public_objects, pk=id)
gremmie@1 198
gremmie@1 199 # prevent multiple votes from the same user
bgneal@241 200 vote_record, created = VoteRecord.objects.get_or_create(
bgneal@241 201 download=download, user=request.user)
gremmie@1 202 if created:
gremmie@1 203 new_score = download.vote(rating)
gremmie@1 204 download.save()
gremmie@1 205 return HttpResponse(str(new_score))
gremmie@1 206 else:
gremmie@1 207 return HttpResponse('-1')
gremmie@1 208
gremmie@1 209 return HttpResponseForbidden('You must be logged in to rate a download.')
bgneal@404 210
bgneal@404 211 #######################################################################
bgneal@404 212
bgneal@404 213 @require_POST
bgneal@404 214 def request_download(request):
bgneal@404 215 """
bgneal@404 216 This function is called by AJAX to request a download. We update the hit
bgneal@404 217 count and then return a JSON object of the form:
bgneal@404 218 { id: download-id, 'url': link-to-download }
bgneal@404 219
bgneal@404 220 """
bgneal@404 221 if request.user.is_authenticated():
bgneal@404 222 dl_id = request.POST.get('id')
bgneal@404 223 if dl_id:
bgneal@404 224 try:
bgneal@404 225 dl = Download.public_objects.get(pk=dl_id)
bgneal@404 226 except Download.DoesNotExist:
bgneal@404 227 return HttpResponseNotFound("Download not found")
bgneal@404 228
bgneal@404 229 dl.hits += 1
bgneal@404 230 dl.save()
bgneal@404 231
bgneal@404 232 s = json.dumps({'id': dl_id, 'url': dl.file.url})
bgneal@404 233 return HttpResponse(s, content_type='application/json')
bgneal@404 234
bgneal@404 235 return HttpResponseForbidden('An error occurred.')