mediagoblin/submit/views.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011 Free Software Foundation, Inc
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 from os.path import splitext
  18 from cgi import FieldStorage
  19
  20 from werkzeug.utils import secure_filename
  21
  22 from mediagoblin.util import render_to_response, redirect
  23 from mediagoblin.decorators import require_active_login
  24 from mediagoblin.submit import forms as submit_forms, security
  25 from mediagoblin.process_media import process_media_initial
  26
  27
  28 @require_active_login
  29 def submit_start(request):
  30     """
  31     First view for submitting a file.
  32     """
  33     submit_form = submit_forms.SubmitStartForm(request.POST)
  34
  35     if request.method == 'POST' and submit_form.validate():
  36         if not (request.POST.has_key('file')
  37                 and isinstance(request.POST['file'], FieldStorage)
  38                 and request.POST['file'].file):
  39             submit_form.file.errors.append(
  40                 u'You must provide a file.')
  41         elif not security.check_filetype(request.POST['file']):
  42             submit_form.file.errors.append(
  43                 u'The file doesn\'t seem to be an image!')
  44         else:
  45             filename = request.POST['file'].filename
  46
  47             # create entry and save in database
  48             entry = request.db.MediaEntry()
  49             entry['title'] = request.POST['title'] or unicode(splitext(filename)[0])
  50             entry['description'] = request.POST.get('description')
  51             entry['media_type'] = u'image' # heh
  52             entry['uploader'] = request.user['_id']
  53
  54             # Save, just so we can get the entry id for the sake of using
  55             # it to generate the file path
  56             entry.save(validate=False)
  57
  58             # Generate a slug from the title
  59             entry.generate_slug()
  60
  61             # Now store generate the queueing related filename
  62             queue_filepath = request.app.queue_store.get_unique_filepath(
  63                 ['media_entries',
  64                  unicode(entry['_id']),
  65                  secure_filename(filename)])
  66
  67             # queue appropriately
  68             queue_file = request.app.queue_store.get_file(
  69                 queue_filepath, 'wb')
  70
  71             with queue_file:
  72                 queue_file.write(request.POST['file'].file.read())
  73
  74             # Add queued filename to the entry
  75             entry['queued_media_file'] = queue_filepath
  76             entry.save(validate=True)
  77
  78             # queue it for processing
  79             process_media_initial.delay(unicode(entry['_id']))
  80
  81             return redirect(request, "mediagoblin.submit.success")
  82
  83     return render_to_response(
  84         request,
  85         'mediagoblin/submit/start.html',
  86         {'submit_form': submit_form})
  87
  88
  89 def submit_success(request):
  90     return render_to_response(
  91         request, 'mediagoblin/submit/success.html', {})