gremmie@1: """
gremmie@1: Views for the downloads application.
gremmie@1: """
bgneal@679: import json
gremmie@1:
bgneal@480: from django.shortcuts import render_to_response, get_object_or_404
gremmie@1: from django.template import RequestContext
gremmie@1: from django.contrib.auth.decorators import login_required
gremmie@1: from django.http import Http404
gremmie@1: from django.http import HttpResponse
gremmie@1: from django.http import HttpResponseRedirect
gremmie@1: from django.http import HttpResponseForbidden
gremmie@1: from django.http import HttpResponseBadRequest
bgneal@404: from django.http import HttpResponseNotFound
bgneal@92: from django.core.paginator import InvalidPage
gremmie@1: from django.core.urlresolvers import reverse
gremmie@1: from django.views.decorators.http import require_POST
gremmie@1:
gremmie@1: from core.paginator import DiggPaginator
gremmie@1: from core.functions import email_admins
bgneal@241: from core.functions import get_page
gremmie@1: from downloads.models import Category
gremmie@1: from downloads.models import Download
gremmie@1: from downloads.models import VoteRecord
gremmie@1: from downloads.forms import AddDownloadForm
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
bgneal@242: DLS_PER_PAGE = 10
gremmie@1:
gremmie@1: def create_paginator(dls):
gremmie@1: return DiggPaginator(dls, DLS_PER_PAGE, body=5, tail=3, margin=3, padding=2)
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def index(request):
gremmie@1: categories = Category.objects.all()
gremmie@1: total_dls = Download.public_objects.all().count()
gremmie@1: return render_to_response('downloads/index.html', {
gremmie@1: 'categories': categories,
gremmie@1: 'total_dls': total_dls,
gremmie@1: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1: # Maps URL component to database field name for the Download table:
gremmie@1:
gremmie@1: DOWNLOAD_FIELD_MAP = {
bgneal@404: 'title': 'title',
gremmie@1: 'date': '-date_added',
gremmie@1: 'rating': '-average_score',
gremmie@1: 'hits': '-hits'
gremmie@1: }
gremmie@1:
gremmie@1: @login_required
bgneal@241: def category(request, slug, sort='title'):
bgneal@480:
bgneal@480: cat = get_object_or_404(Category, slug=slug)
gremmie@1:
gremmie@1: if sort not in DOWNLOAD_FIELD_MAP:
gremmie@1: sort = 'title'
gremmie@1: order_by = DOWNLOAD_FIELD_MAP[sort]
gremmie@1:
bgneal@190: downloads = Download.public_objects.filter(category=cat.pk).order_by(
bgneal@190: order_by)
gremmie@1: paginator = create_paginator(downloads)
bgneal@241: page = get_page(request.GET)
gremmie@1: try:
bgneal@241: the_page = paginator.page(page)
gremmie@1: except InvalidPage:
gremmie@1: raise Http404
gremmie@1:
gremmie@1: return render_to_response('downloads/download_list.html', {
gremmie@1: 's' : sort,
gremmie@1: 'category' : cat,
bgneal@404: 'page' : the_page,
bgneal@404: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def new(request):
bgneal@243: """Display new downloads with pagination."""
bgneal@243:
bgneal@243: downloads = Download.public_objects.order_by('-date_added')
bgneal@243:
bgneal@243: paginator = create_paginator(downloads)
bgneal@243: page = get_page(request.GET)
bgneal@243: try:
bgneal@243: the_page = paginator.page(page)
bgneal@243: except InvalidPage:
bgneal@243: raise Http404
bgneal@243:
gremmie@1: return render_to_response('downloads/download_summary.html', {
bgneal@243: 'page': the_page,
bgneal@243: 'title': 'Newest Downloads',
bgneal@404: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def popular(request):
bgneal@243: """Display popular downloads with pagination."""
bgneal@243:
bgneal@243: downloads = Download.public_objects.order_by('-hits')
bgneal@243:
bgneal@243: paginator = create_paginator(downloads)
bgneal@243: page = get_page(request.GET)
bgneal@243: try:
bgneal@243: the_page = paginator.page(page)
bgneal@243: except InvalidPage:
bgneal@243: raise Http404
bgneal@243:
gremmie@1: return render_to_response('downloads/download_summary.html', {
bgneal@243: 'page': the_page,
bgneal@243: 'title': 'Popular Downloads',
bgneal@404: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def rating(request):
bgneal@243: """Display downloads by rating with pagination."""
bgneal@243:
bgneal@243: downloads = Download.public_objects.order_by('-average_score')
bgneal@243: paginator = create_paginator(downloads)
bgneal@243: page = get_page(request.GET)
bgneal@243: try:
bgneal@243: the_page = paginator.page(page)
bgneal@243: except InvalidPage:
bgneal@243: raise Http404
bgneal@243:
gremmie@1: return render_to_response('downloads/download_summary.html', {
bgneal@243: 'page': the_page,
bgneal@243: 'title': 'Highest Rated Downloads',
bgneal@404: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
bgneal@23: def details(request, id):
bgneal@480: download = get_object_or_404(Download.public_objects, pk=id)
bgneal@23: return render_to_response('downloads/download_detail.html', {
gremmie@1: 'download' : download,
bgneal@404: },
gremmie@1: context_instance = RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def add(request):
gremmie@1: if request.method == 'POST':
gremmie@1: form = AddDownloadForm(request.POST, request.FILES)
gremmie@1: if form.is_valid():
gremmie@1: dl = form.save(commit=False)
gremmie@1: dl.user = request.user
gremmie@1: dl.ip_address = request.META.get('REMOTE_ADDR', None)
gremmie@1: dl.save()
gremmie@1: email_admins('New download for approval', """Hello,
gremmie@1:
gremmie@1: A user has uploaded a new download for your approval.
gremmie@1: """)
gremmie@1: return HttpResponseRedirect(reverse('downloads-add_thanks'))
gremmie@1: else:
gremmie@1: form = AddDownloadForm()
gremmie@1:
gremmie@1: return render_to_response('downloads/add.html', {
gremmie@1: 'add_form': form,
gremmie@1: },
gremmie@1: context_instance=RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @login_required
gremmie@1: def thanks(request):
gremmie@1: return render_to_response('downloads/thanks.html', {
gremmie@1: },
gremmie@1: context_instance=RequestContext(request))
gremmie@1:
gremmie@1: #######################################################################
gremmie@1:
gremmie@1: @require_POST
gremmie@1: def rate_download(request):
gremmie@1: """This function is called by AJAX to rate a download."""
gremmie@1: if request.user.is_authenticated():
gremmie@1: id = request.POST.get('id', None)
gremmie@1: rating = request.POST.get('rating', None)
gremmie@1: if id is None or rating is None:
gremmie@1: return HttpResponseBadRequest('Missing id or rating.')
bgneal@404:
gremmie@1: try:
gremmie@1: rating = int(rating)
gremmie@1: except ValueError:
gremmie@1: return HttpResponseBadRequest('Invalid rating.')
gremmie@1:
gremmie@1: # rating will be from 0-4
gremmie@1: rating = min(5, max(1, rating))
gremmie@1:
bgneal@480: download = get_object_or_404(Download.public_objects, pk=id)
gremmie@1:
gremmie@1: # prevent multiple votes from the same user
bgneal@241: vote_record, created = VoteRecord.objects.get_or_create(
bgneal@241: download=download, user=request.user)
gremmie@1: if created:
gremmie@1: new_score = download.vote(rating)
gremmie@1: download.save()
gremmie@1: return HttpResponse(str(new_score))
gremmie@1: else:
gremmie@1: return HttpResponse('-1')
gremmie@1:
gremmie@1: return HttpResponseForbidden('You must be logged in to rate a download.')
bgneal@404:
bgneal@404: #######################################################################
bgneal@404:
bgneal@404: @require_POST
bgneal@404: def request_download(request):
bgneal@404: """
bgneal@404: This function is called by AJAX to request a download. We update the hit
bgneal@404: count and then return a JSON object of the form:
bgneal@404: { id: download-id, 'url': link-to-download }
bgneal@404:
bgneal@404: """
bgneal@404: if request.user.is_authenticated():
bgneal@404: dl_id = request.POST.get('id')
bgneal@404: if dl_id:
bgneal@404: try:
bgneal@404: dl = Download.public_objects.get(pk=dl_id)
bgneal@404: except Download.DoesNotExist:
bgneal@404: return HttpResponseNotFound("Download not found")
bgneal@404:
bgneal@404: dl.hits += 1
bgneal@404: dl.save()
bgneal@404:
bgneal@404: s = json.dumps({'id': dl_id, 'url': dl.file.url})
bgneal@404: return HttpResponse(s, content_type='application/json')
bgneal@404:
bgneal@404: return HttpResponseForbidden('An error occurred.')