src/reporting/views.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 import os.path
   6 from datetime import date
   7 from django.conf import settings
   8 from django.contrib.admin.views.decorators import staff_member_required
   9 from django.db.models import Count
  10 from django.shortcuts import render_to_response
  11 from django.template import RequestContext
  12
  13 from catalogue.models import Book, BookMedia
  14 from reporting.utils import render_to_pdf, render_to_csv, generated_file_view
  15
  16
  17 @staff_member_required
  18 def stats_page(request):
  19     media_types = BookMedia.objects.values('type').annotate(count=Count('type')).order_by('type')
  20     for mt in media_types:
  21         mt['size'] = sum(b.file.size for b in BookMedia.objects.filter(type=mt['type']).iterator())
  22         if mt['type'] in ('mp3', 'ogg'):
  23             deprecated = BookMedia.objects.filter(type=mt['type'], source_sha1=None)
  24             mt['deprecated'] = deprecated.count()
  25             mt['deprecated_files'] = deprecated.order_by('book', 'name')
  26         else:
  27             mt['deprecated'] = '-'
  28
  29     licenses = set(
  30         (b.extra_info.get('license'), b.extra_info.get('license_description'))
  31         for b in Book.objects.all().iterator() if b.extra_info.get('license'))
  32
  33     return render_to_response('reporting/main.html', {
  34         'media_types': media_types,
  35         'licenses': licenses,
  36     }, context_instance=RequestContext(request))
  37
  38
  39 @generated_file_view('reports/katalog.pdf', 'application/pdf',
  40                      send_name=lambda: 'wolnelektury_%s.pdf' % date.today(), signals=[Book.published])
  41 def catalogue_pdf(path):
  42     books_by_author, orphans, books_by_parent = Book.book_list()
  43     render_to_pdf(path, 'reporting/catalogue.texml', {
  44         'books_by_author': books_by_author,
  45         'orphans': orphans,
  46         'books_by_parent': books_by_parent,
  47     }, {
  48         "wl-logo.png": os.path.join(settings.STATIC_ROOT, "img/logo-big.png"),
  49     })
  50
  51
  52 @generated_file_view('reports/katalog.csv', 'application/csv',
  53                      send_name=lambda: 'wolnelektury_%s.csv' % date.today(), signals=[Book.published])
  54 def catalogue_csv(path):
  55     books_by_author, orphans, books_by_parent = Book.book_list()
  56     render_to_csv(path, 'reporting/catalogue.csv', {
  57         'books_by_author': books_by_author,
  58         'orphans': orphans,
  59         'books_by_parent': books_by_parent,
  60     })