2012-01-12 11:05:05 +01:00

320 lines
10 KiB
Python

# MediaGoblin -- federated, autonomous media hosting
# 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
# 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 webob import exc
from mediagoblin import messages, mg_globals
from mediagoblin.db.util import DESCENDING, ObjectId
from mediagoblin.tools.text import cleaned_markdown_conversion
from mediagoblin.tools.response import render_to_response, render_404, redirect
from mediagoblin.tools.translate import pass_to_ugettext as _
from mediagoblin.tools.pagination import Pagination
from mediagoblin.tools.files import delete_media_files
from mediagoblin.user_pages import forms as user_forms
from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
require_active_login, user_may_delete_media)
from werkzeug.contrib.atom import AtomFeed
from mediagoblin.media_types import get_media_manager
@uses_pagination
def user_home(request, page):
"""'Homepage' of a User()"""
user = request.db.User.find_one({
'username': request.matchdict['user']})
if not user:
return render_404(request)
elif user.status != u'active':
return render_to_response(
request,
'mediagoblin/user_pages/user.html',
{'user': user})
cursor = request.db.MediaEntry.find(
{'uploader': user._id,
'state': 'processed'}).sort('created', DESCENDING)
pagination = Pagination(page, cursor)
media_entries = pagination()
#if no data is available, return NotFound
if media_entries == None:
return render_404(request)
user_gallery_url = request.urlgen(
'mediagoblin.user_pages.user_gallery',
user=user.username)
return render_to_response(
request,
'mediagoblin/user_pages/user.html',
{'user': user,
'user_gallery_url': user_gallery_url,
'media_entries': media_entries,
'pagination': pagination})
@uses_pagination
def user_gallery(request, page):
"""'Gallery' of a User()"""
user = request.db.User.find_one({
'username': request.matchdict['user'],
'status': 'active'})
if not user:
return render_404(request)
cursor = request.db.MediaEntry.find(
{'uploader': user._id,
'state': 'processed'}).sort('created', DESCENDING)
pagination = Pagination(page, cursor)
media_entries = pagination()
#if no data is available, return NotFound
if media_entries == None:
return render_404(request)
return render_to_response(
request,
'mediagoblin/user_pages/gallery.html',
{'user': user,
'media_entries': media_entries,
'pagination': pagination})
MEDIA_COMMENTS_PER_PAGE = 50
@get_user_media_entry
@uses_pagination
def media_home(request, media, page, **kwargs):
"""
'Homepage' of a MediaEntry()
"""
if ObjectId(request.matchdict.get('comment')):
pagination = Pagination(
page, media.get_comments(
mg_globals.app_config['comments_ascending']),
MEDIA_COMMENTS_PER_PAGE,
ObjectId(request.matchdict.get('comment')))
else:
pagination = Pagination(
page, media.get_comments(
mg_globals.app_config['comments_ascending']),
MEDIA_COMMENTS_PER_PAGE)
comments = pagination()
comment_form = user_forms.MediaCommentForm(request.POST)
media_template_name = get_media_manager(media.media_type)['display_template']
return render_to_response(
request,
media_template_name,
{'media': media,
'comments': comments,
'pagination': pagination,
'comment_form': comment_form,
'app_config': mg_globals.app_config})
@get_user_media_entry
@require_active_login
def media_post_comment(request, media):
"""
recieves POST from a MediaEntry() comment form, saves the comment.
"""
assert request.method == 'POST'
comment = request.db.MediaComment()
comment['media_entry'] = media._id
comment['author'] = request.user._id
comment['content'] = unicode(request.POST['comment_content'])
comment['content_html'] = cleaned_markdown_conversion(comment['content'])
if not comment['content'].strip():
messages.add_message(
request,
messages.ERROR,
_("Oops, your comment was empty."))
else:
comment.save()
messages.add_message(
request, messages.SUCCESS,
_('Your comment has been posted!'))
return exc.HTTPFound(
location=media.url_for_self(request.urlgen))
@get_user_media_entry
@require_active_login
@user_may_delete_media
def media_confirm_delete(request, media):
form = user_forms.ConfirmDeleteForm(request.POST)
if request.method == 'POST' and form.validate():
if form.confirm.data is True:
username = media.get_uploader.username
# Delete all files on the public storage
delete_media_files(media)
media.delete()
messages.add_message(
request, messages.SUCCESS, _('You deleted the media.'))
return redirect(request, "mediagoblin.user_pages.user_home",
user=username)
else:
messages.add_message(
request, messages.ERROR,
_("The media was not deleted because you didn't check that you were sure."))
return exc.HTTPFound(
location=media.url_for_self(request.urlgen))
if ((request.user.is_admin and
request.user._id != media.uploader)):
messages.add_message(
request, messages.WARNING,
_("You are about to delete another user's media. "
"Proceed with caution."))
return render_to_response(
request,
'mediagoblin/user_pages/media_confirm_delete.html',
{'media': media,
'form': form})
ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
def atom_feed(request):
"""
generates the atom feed with the newest images
"""
user = request.db.User.find_one({
'username': request.matchdict['user'],
'status': 'active'})
if not user:
return render_404(request)
cursor = request.db.MediaEntry.find({
'uploader': user._id,
'state': 'processed'}) \
.sort('created', DESCENDING) \
.limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
"""
ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
"""
atomlinks = [{
'href': request.urlgen(
'mediagoblin.user_pages.user_home',
qualified=True,user=request.matchdict['user']),
'rel': 'alternate',
'type': 'text/html'
}];
if mg_globals.app_config["push_urls"]:
for push_url in mg_globals.app_config["push_urls"]:
atomlinks.append({
'rel': 'hub',
'href': push_url})
feed = AtomFeed(
"MediaGoblin: Feed for user '%s'" % request.matchdict['user'],
feed_url=request.url,
id='tag:'+request.host+',2011:gallery.user-'+request.matchdict['user'],
links=atomlinks)
for entry in cursor:
feed.add(entry.get('title'),
entry.get('description_html'),
id=entry.url_for_self(request.urlgen,qualified=True),
content_type='html',
author={
'name': entry.get_uploader.username,
'uri': request.urlgen(
'mediagoblin.user_pages.user_home',
qualified=True, user=entry.get_uploader.username)},
updated=entry.get('created'),
links=[{
'href': entry.url_for_self(
request.urlgen,
qualified=True),
'rel': 'alternate',
'type': 'text/html'}])
return feed.get_response()
@require_active_login
def processing_panel(request):
"""
Show to the user what media is still in conversion/processing...
and what failed, and why!
"""
# Get the user
user = request.db.User.find_one(
{'username': request.matchdict['user'],
'status': 'active'})
# Make sure the user exists and is active
if not user:
return render_404(request)
elif user.status != u'active':
return render_to_response(
request,
'mediagoblin/user_pages/user.html',
{'user': user})
# XXX: Should this be a decorator?
#
# Make sure we have permission to access this user's panel. Only
# admins and this user herself should be able to do so.
if not (user._id == request.user._id
or request.user.is_admin):
# No? Let's simply redirect to this user's homepage then.
return redirect(
request, 'mediagoblin.user_pages.user_home',
user=request.matchdict['user'])
# Get media entries which are in-processing
processing_entries = request.db.MediaEntry.find(
{'uploader': user._id,
'state': 'processing'}).sort('created', DESCENDING)
# Get media entries which have failed to process
failed_entries = request.db.MediaEntry.find(
{'uploader': user._id,
'state': 'failed'}).sort('created', DESCENDING)
# Render to response
return render_to_response(
request,
'mediagoblin/user_pages/processing_panel.html',
{'user': user,
'processing_entries': processing_entries,
'failed_entries': failed_entries})