mygpo/directory/views.py

   1 from django.http import HttpResponseNotFound
   2 from django.core.paginator import Paginator, InvalidPage, EmptyPage
   3 from django.shortcuts import render_to_response
   4 from django.template import RequestContext
   5
   6 from mygpo.directory.models import Category
   7 from mygpo.web import utils
   8
   9
  10 def browse(request, num_categories=10, num_tags_cloud=90, podcasts_per_category=10):
  11     total = int(num_categories) + int(num_tags_cloud)
  12     categories = Category.top_categories(total).all()
  13
  14     disp_categories = []
  15     for category in categories[:num_categories]:
  16         entries = category.get_podcasts(0, podcasts_per_category)
  17         podcasts = [e.get_old_obj() for e in entries]
  18         disp_categories.append({
  19             'tag': category.label,
  20             'entries': podcasts,
  21             })
  22
  23     tag_cloud = categories[num_categories:]
  24
  25     tag_cloud.sort(key = lambda x: x.label.lower())
  26     max_entries = max([t.get_weight() for t in tag_cloud] + [0])
  27
  28     return render_to_response('directory.html', {
  29         'categories': disp_categories,
  30         'tag_cloud': tag_cloud,
  31         'max_entries': max_entries,
  32         }, context_instance=RequestContext(request))
  33
  34
  35 def category(request, category, page_size=20):
  36     category = Category.for_tag(category)
  37     if not category:
  38         return HttpResponseNotFound()
  39
  40     # Make sure page request is an int. If not, deliver first page.
  41     try:
  42         page = int(request.GET.get('page', '1'))
  43     except ValueError:
  44         page = 1
  45
  46     entries = category.get_podcasts( (page-1) * page_size, page*page_size )
  47     podcasts = [e.get_old_obj() for e in entries]
  48     num_pages = len(category.podcasts) / page_size
  49
  50     page_list = utils.get_page_list(1, num_pages, page, 15)
  51
  52     return render_to_response('category.html', {
  53         'entries': podcasts,
  54         'category': category.label,
  55         'page_list': page_list,
  56         }, context_instance=RequestContext(request))
  57
  58