# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 Free Software Foundation, Inc
+# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
+import mediagoblin.mg_globals as mg_globals
+import uuid
+from os.path import splitext
+from cgi import FieldStorage
-from webob import Response, exc
+from werkzeug.utils import secure_filename
+from mediagoblin.db.util import ObjectId
+from mediagoblin.util import (
+ render_to_response, redirect, cleaned_markdown_conversion, \
+ convert_to_tag_list_of_dicts)
+from mediagoblin.tools.translate import pass_to_ugettext as _
from mediagoblin.decorators import require_active_login
-from mediagoblin.submit import forms as submit_forms
+from mediagoblin.submit import forms as submit_forms, security
+from mediagoblin.process_media import process_media, mark_entry_failed
+from mediagoblin.messages import add_message, SUCCESS
@require_active_login
"""
First view for submitting a file.
"""
- submit_form = submit_forms.SubmitStartForm()
-
- # render
- template = request.template_env.get_template(
- 'mediagoblin/submit/start.html')
- return Response(
- template.render(
- {'request': request,
- 'submit_form': submit_form}))
+ submit_form = submit_forms.SubmitStartForm(request.POST)
+
+ if request.method == 'POST' and submit_form.validate():
+ if not (request.POST.has_key('file')
+ and isinstance(request.POST['file'], FieldStorage)
+ and request.POST['file'].file):
+ submit_form.file.errors.append(
+ _(u'You must provide a file.'))
+ elif not security.check_filetype(request.POST['file']):
+ submit_form.file.errors.append(
+ _(u"The file doesn't seem to be an image!"))
+ else:
+ filename = request.POST['file'].filename
+
+ # create entry and save in database
+ entry = request.db.MediaEntry()
+ entry['_id'] = ObjectId()
+ entry['title'] = (
+ unicode(request.POST['title'])
+ or unicode(splitext(filename)[0]))
+
+ entry['description'] = unicode(request.POST.get('description'))
+ entry['description_html'] = cleaned_markdown_conversion(
+ entry['description'])
+
+ entry['media_type'] = u'image' # heh
+ entry['uploader'] = request.user['_id']
+
+ # Process the user's folksonomy "tags"
+ entry['tags'] = convert_to_tag_list_of_dicts(
+ request.POST.get('tags'))
+
+ # Generate a slug from the title
+ entry.generate_slug()
+
+ # Now store generate the queueing related filename
+ queue_filepath = request.app.queue_store.get_unique_filepath(
+ ['media_entries',
+ unicode(entry['_id']),
+ secure_filename(filename)])
+
+ # queue appropriately
+ queue_file = request.app.queue_store.get_file(
+ queue_filepath, 'wb')
+
+ with queue_file:
+ queue_file.write(request.POST['file'].file.read())
+
+ # Add queued filename to the entry
+ entry['queued_media_file'] = queue_filepath
+
+ # We generate this ourselves so we know what the taks id is for
+ # retrieval later.
+ # (If we got it off the task's auto-generation, there'd be a risk of
+ # a race condition when we'd save after sending off the task)
+ task_id = unicode(uuid.uuid4())
+ entry['queued_task_id'] = task_id
+
+ # Save now so we have this data before kicking off processing
+ entry.save(validate=True)
+
+ # Pass off to processing
+ #
+ # (... don't change entry after this point to avoid race
+ # conditions with changes to the document via processing code)
+ try:
+ process_media.apply_async(
+ [unicode(entry['_id'])], {},
+ task_id=task_id)
+ except BaseException as exc:
+ # The purpose of this section is because when running in "lazy"
+ # or always-eager-with-exceptions-propagated celery mode that
+ # the failure handling won't happen on Celery end. Since we
+ # expect a lot of users to run things in this way we have to
+ # capture stuff here.
+ #
+ # ... not completely the diaper pattern because the exception is
+ # re-raised :)
+ mark_entry_failed(entry[u'_id'], exc)
+ # re-raise the exception
+ raise
+
+ add_message(request, SUCCESS, _('Woohoo! Submitted!'))
+
+ return redirect(request, "mediagoblin.user_pages.user_home",
+ user = request.user['username'])
+
+ return render_to_response(
+ request,
+ 'mediagoblin/submit/start.html',
+ {'submit_form': submit_form,
+ 'app_config': mg_globals.app_config})