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# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 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
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# 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/>.
from mediagoblin import messages
import mediagoblin.mg_globals as mg_globals
from os.path import splitext
import logging
import uuid
_log = logging.getLogger(__name__)
from mediagoblin.tools.text import convert_to_tag_list_of_dicts
from mediagoblin.tools.translate import pass_to_ugettext as _
from mediagoblin.tools.response import render_to_response, redirect
from mediagoblin.decorators import require_active_login
from mediagoblin.submit import forms as submit_forms
from mediagoblin.messages import add_message, SUCCESS
from mediagoblin.media_types import sniff_media, \
InvalidFileType, FileTypeNotSupported
from mediagoblin.submit.lib import check_file_field, prepare_queue_task, \
run_process_media, new_upload_entry
from mediagoblin.notifications import add_comment_subscription
@require_active_login
def submit_start(request):
"""
First view for submitting a file.
"""
user = request.user
if user.upload_limit >= 0:
upload_limit = user.upload_limit
else:
upload_limit = mg_globals.app_config.get('upload_limit', None)
if upload_limit and user.uploaded >= upload_limit:
messages.add_message(
request,
messages.WARNING,
_('Sorry, you have reached your upload limit.'))
return redirect(request, "mediagoblin.user_pages.user_home",
user=request.user.username)
submit_form = submit_forms.get_submit_start_form(request.form,
license=request.user.license_preference)
if request.method == 'POST' and submit_form.validate():
if not check_file_field(request, 'file'):
submit_form.file.errors.append(
_(u'You must provide a file.'))
else:
try:
filename = request.files['file'].filename
# If the filename contains non ascii generate a unique name
if not all(ord(c) < 128 for c in filename):
filename = unicode(uuid.uuid4()) + splitext(filename)[-1]
# Sniff the submitted media to determine which
# media plugin should handle processing
media_type, media_manager = sniff_media(
request.files['file'])
# create entry and save in database
entry = new_upload_entry(request.user)
entry.media_type = unicode(media_type)
entry.title = (
unicode(submit_form.title.data)
or unicode(splitext(request.files['file'].filename)[0]))
entry.description = unicode(submit_form.description.data)
entry.license = unicode(submit_form.license.data) or None
# Process the user's folksonomy "tags"
entry.tags = convert_to_tag_list_of_dicts(
submit_form.tags.data)
# Generate a slug from the title
entry.generate_slug()
queue_file = prepare_queue_task(request.app, entry, filename)
with queue_file:
queue_file.write(request.files['file'].stream.read())
# Get file size an round to 2 decimal places
file_size = request.app.queue_store.get_file_size(
entry.queued_media_file) / (1024.0 * 1024)
file_size = float('{0:.2f}'.format(file_size))
error = False
# Check if file size is over the limit
max_file_size = mg_globals.app_config.get('max_file_size', None)
if max_file_size and file_size >= max_file_size:
submit_form.file.errors.append(
_(u'Sorry, the file size is too big.'))
error = True
# Check if user is over upload limit
if upload_limit and (user.uploaded + file_size) >= upload_limit:
submit_form.file.errors.append(
_('Sorry, uploading this file will put you over your'
' upload limit.'))
error = True
if not error:
user.uploaded = user.uploaded + file_size
user.save()
entry.file_size = file_size
# Save now so we have this data before kicking off processing
entry.save()
# Pass off to processing
#
# (... don't change entry after this point to avoid race
# conditions with changes to the document via processing code)
feed_url = request.urlgen(
'mediagoblin.user_pages.atom_feed',
qualified=True, user=request.user.username)
run_process_media(entry, feed_url)
add_message(request, SUCCESS, _('Woohoo! Submitted!'))
add_comment_subscription(request.user, entry)
return redirect(request, "mediagoblin.user_pages.user_home",
user=user.username)
except Exception as e:
'''
This section is intended to catch exceptions raised in
mediagoblin.media_types
'''
if isinstance(e, InvalidFileType) or \
isinstance(e, FileTypeNotSupported):
submit_form.file.errors.append(
e)
else:
raise
return render_to_response(
request,
'mediagoblin/submit/start.html',
{'submit_form': submit_form,
'app_config': mg_globals.app_config})
@require_active_login
def add_collection(request, media=None):
"""
View to create a new collection
"""
submit_form = submit_forms.AddCollectionForm(request.form)
if request.method == 'POST' and submit_form.validate():
collection = request.db.Collection()
collection.title = unicode(submit_form.title.data)
collection.description = unicode(submit_form.description.data)
collection.creator = request.user.id
collection.generate_slug()
# Make sure this user isn't duplicating an existing collection
existing_collection = request.db.Collection.query.filter_by(
creator=request.user.id,
title=collection.title).first()
if existing_collection:
add_message(request, messages.ERROR,
_('You already have a collection called "%s"!') \
% collection.title)
else:
collection.save()
add_message(request, SUCCESS,
_('Collection "%s" added!') % collection.title)
return redirect(request, "mediagoblin.user_pages.user_home",
user=request.user.username)
return render_to_response(
request,
'mediagoblin/submit/collection.html',
{'submit_form': submit_form,
'app_config': mg_globals.app_config})
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