624 lines
21 KiB
Python
624 lines
21 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import datetime
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from mediagoblin import messages, mg_globals
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from mediagoblin.db.models import (MediaEntry, MediaTag, Collection,
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CollectionItem, User)
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from mediagoblin.tools.response import render_to_response, render_404, \
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redirect, redirect_obj
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from mediagoblin.tools.translate import pass_to_ugettext as _
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from mediagoblin.tools.pagination import Pagination
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from mediagoblin.user_pages import forms as user_forms
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from mediagoblin.user_pages.lib import add_media_to_collection
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from mediagoblin.notifications import trigger_notification, \
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add_comment_subscription, mark_comment_notification_seen
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from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
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get_media_entry_by_id,
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require_active_login, user_may_delete_media, user_may_alter_collection,
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get_user_collection, get_user_collection_item, active_user_from_url)
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from werkzeug.contrib.atom import AtomFeed
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from werkzeug.exceptions import MethodNotAllowed
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_log = logging.getLogger(__name__)
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_log.setLevel(logging.DEBUG)
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@uses_pagination
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def user_home(request, page):
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"""'Homepage' of a User()"""
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# TODO: decide if we only want homepages for active users, we can
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# then use the @get_active_user decorator and also simplify the
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# template html.
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user = User.query.filter_by(username=request.matchdict['user']).first()
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if not user:
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return render_404(request)
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elif user.status != u'active':
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return render_to_response(
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request,
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'mediagoblin/user_pages/user.html',
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{'user': user})
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cursor = MediaEntry.query.\
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filter_by(uploader = user.id,
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state = u'processed').order_by(MediaEntry.created.desc())
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pagination = Pagination(page, cursor)
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media_entries = pagination()
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#if no data is available, return NotFound
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if media_entries == None:
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return render_404(request)
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user_gallery_url = request.urlgen(
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'mediagoblin.user_pages.user_gallery',
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user=user.username)
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return render_to_response(
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request,
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'mediagoblin/user_pages/user.html',
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{'user': user,
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'user_gallery_url': user_gallery_url,
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'media_entries': media_entries,
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'pagination': pagination})
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@active_user_from_url
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@uses_pagination
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def user_gallery(request, page, url_user=None):
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"""'Gallery' of a User()"""
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tag = request.matchdict.get('tag', None)
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cursor = MediaEntry.query.filter_by(
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uploader=url_user.id,
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state=u'processed').order_by(MediaEntry.created.desc())
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# Filter potentially by tag too:
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if tag:
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cursor = cursor.filter(
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MediaEntry.tags_helper.any(
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MediaTag.slug == request.matchdict['tag']))
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# Paginate gallery
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pagination = Pagination(page, cursor)
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media_entries = pagination()
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#if no data is available, return NotFound
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# TODO: Should we really also return 404 for empty galleries?
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if media_entries == None:
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return render_404(request)
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return render_to_response(
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request,
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'mediagoblin/user_pages/gallery.html',
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{'user': url_user, 'tag': tag,
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'media_entries': media_entries,
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'pagination': pagination})
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MEDIA_COMMENTS_PER_PAGE = 50
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@get_user_media_entry
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@uses_pagination
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def media_home(request, media, page, **kwargs):
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"""
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'Homepage' of a MediaEntry()
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"""
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comment_id = request.matchdict.get('comment', None)
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if comment_id:
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if request.user:
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mark_comment_notification_seen(comment_id, request.user)
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pagination = Pagination(
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page, media.get_comments(
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mg_globals.app_config['comments_ascending']),
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MEDIA_COMMENTS_PER_PAGE,
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comment_id)
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else:
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pagination = Pagination(
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page, media.get_comments(
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mg_globals.app_config['comments_ascending']),
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MEDIA_COMMENTS_PER_PAGE)
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comments = pagination()
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comment_form = user_forms.MediaCommentForm(request.form)
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media_template_name = media.media_manager.display_template
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return render_to_response(
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request,
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media_template_name,
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{'media': media,
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'comments': comments,
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'pagination': pagination,
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'comment_form': comment_form,
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'app_config': mg_globals.app_config})
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@get_media_entry_by_id
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@require_active_login
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def media_post_comment(request, media):
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"""
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recieves POST from a MediaEntry() comment form, saves the comment.
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"""
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if not request.method == 'POST':
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raise MethodNotAllowed()
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comment = request.db.MediaComment()
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comment.media_entry = media.id
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comment.author = request.user.id
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comment.content = unicode(request.form['comment_content'])
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# Show error message if commenting is disabled.
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if not mg_globals.app_config['allow_comments']:
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messages.add_message(
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request,
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messages.ERROR,
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_("Sorry, comments are disabled."))
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elif not comment.content.strip():
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messages.add_message(
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request,
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messages.ERROR,
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_("Oops, your comment was empty."))
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else:
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comment.save()
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messages.add_message(
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request, messages.SUCCESS,
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_('Your comment has been posted!'))
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trigger_notification(comment, media, request)
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add_comment_subscription(request.user, media)
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return redirect_obj(request, media)
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@get_media_entry_by_id
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@require_active_login
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def media_collect(request, media):
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"""Add media to collection submission"""
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form = user_forms.MediaCollectForm(request.form)
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# A user's own collections:
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form.collection.query = Collection.query.filter_by(
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creator = request.user.id).order_by(Collection.title)
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if request.method != 'POST' or not form.validate():
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# No POST submission, or invalid form
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if not form.validate():
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messages.add_message(request, messages.ERROR,
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_('Please check your entries and try again.'))
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return render_to_response(
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request,
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'mediagoblin/user_pages/media_collect.html',
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{'media': media,
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'form': form})
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# If we are here, method=POST and the form is valid, submit things.
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# If the user is adding a new collection, use that:
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if form.collection_title.data:
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# Make sure this user isn't duplicating an existing collection
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existing_collection = Collection.query.filter_by(
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creator=request.user.id,
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title=form.collection_title.data).first()
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if existing_collection:
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messages.add_message(request, messages.ERROR,
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_('You already have a collection called "%s"!')
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% existing_collection.title)
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return redirect(request, "mediagoblin.user_pages.media_home",
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user=media.get_uploader.username,
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media=media.slug_or_id)
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collection = Collection()
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collection.title = form.collection_title.data
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collection.description = form.collection_description.data
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collection.creator = request.user.id
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collection.generate_slug()
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collection.save()
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# Otherwise, use the collection selected from the drop-down
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else:
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collection = form.collection.data
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if collection and collection.creator != request.user.id:
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collection = None
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# Make sure the user actually selected a collection
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if not collection:
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messages.add_message(
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request, messages.ERROR,
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_('You have to select or add a collection'))
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return redirect(request, "mediagoblin.user_pages.media_collect",
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user=media.get_uploader.username,
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media_id=media.id)
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# Check whether media already exists in collection
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elif CollectionItem.query.filter_by(
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media_entry=media.id,
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collection=collection.id).first():
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messages.add_message(request, messages.ERROR,
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_('"%s" already in collection "%s"')
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% (media.title, collection.title))
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else: # Add item to collection
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add_media_to_collection(collection, media, form.note.data)
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messages.add_message(request, messages.SUCCESS,
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_('"%s" added to collection "%s"')
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% (media.title, collection.title))
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return redirect_obj(request, media)
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#TODO: Why does @user_may_delete_media not implicate @require_active_login?
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@get_media_entry_by_id
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@require_active_login
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@user_may_delete_media
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def media_confirm_delete(request, media):
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form = user_forms.ConfirmDeleteForm(request.form)
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if request.method == 'POST' and form.validate():
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if form.confirm.data is True:
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username = media.get_uploader.username
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# Delete MediaEntry and all related files, comments etc.
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media.delete()
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messages.add_message(
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request, messages.SUCCESS, _('You deleted the media.'))
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return redirect(request, "mediagoblin.user_pages.user_home",
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user=username)
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else:
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messages.add_message(
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request, messages.ERROR,
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_("The media was not deleted because you didn't check that you were sure."))
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return redirect_obj(request, media)
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if ((request.user.is_admin and
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request.user.id != media.uploader)):
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messages.add_message(
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request, messages.WARNING,
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_("You are about to delete another user's media. "
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"Proceed with caution."))
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return render_to_response(
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request,
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'mediagoblin/user_pages/media_confirm_delete.html',
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{'media': media,
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'form': form})
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@active_user_from_url
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@uses_pagination
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def user_collection(request, page, url_user=None):
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"""A User-defined Collection"""
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collection = Collection.query.filter_by(
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get_creator=url_user,
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slug=request.matchdict['collection']).first()
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if not collection:
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return render_404(request)
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cursor = collection.get_collection_items()
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pagination = Pagination(page, cursor)
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collection_items = pagination()
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# if no data is available, return NotFound
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# TODO: Should an empty collection really also return 404?
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if collection_items == None:
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return render_404(request)
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return render_to_response(
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request,
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'mediagoblin/user_pages/collection.html',
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{'user': url_user,
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'collection': collection,
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'collection_items': collection_items,
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'pagination': pagination})
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@active_user_from_url
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def collection_list(request, url_user=None):
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"""A User-defined Collection"""
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collections = Collection.query.filter_by(
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get_creator=url_user)
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return render_to_response(
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request,
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'mediagoblin/user_pages/collection_list.html',
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{'user': url_user,
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'collections': collections})
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@get_user_collection_item
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@require_active_login
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@user_may_alter_collection
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def collection_item_confirm_remove(request, collection_item):
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form = user_forms.ConfirmCollectionItemRemoveForm(request.form)
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if request.method == 'POST' and form.validate():
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username = collection_item.in_collection.get_creator.username
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collection = collection_item.in_collection
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if form.confirm.data is True:
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entry = collection_item.get_media_entry
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entry.collected = entry.collected - 1
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entry.save()
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collection_item.delete()
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collection.items = collection.items - 1
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collection.save()
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messages.add_message(
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request, messages.SUCCESS, _('You deleted the item from the collection.'))
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else:
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messages.add_message(
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request, messages.ERROR,
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_("The item was not removed because you didn't check that you were sure."))
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return redirect_obj(request, collection)
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if ((request.user.is_admin and
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request.user.id != collection_item.in_collection.creator)):
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messages.add_message(
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request, messages.WARNING,
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_("You are about to delete an item from another user's collection. "
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"Proceed with caution."))
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return render_to_response(
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request,
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'mediagoblin/user_pages/collection_item_confirm_remove.html',
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{'collection_item': collection_item,
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'form': form})
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@get_user_collection
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@require_active_login
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@user_may_alter_collection
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def collection_confirm_delete(request, collection):
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form = user_forms.ConfirmDeleteForm(request.form)
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if request.method == 'POST' and form.validate():
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username = collection.get_creator.username
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if form.confirm.data is True:
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collection_title = collection.title
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# Delete all the associated collection items
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for item in collection.get_collection_items():
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entry = item.get_media_entry
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entry.collected = entry.collected - 1
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entry.save()
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item.delete()
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collection.delete()
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messages.add_message(request, messages.SUCCESS,
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_('You deleted the collection "%s"') % collection_title)
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return redirect(request, "mediagoblin.user_pages.user_home",
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user=username)
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else:
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messages.add_message(
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request, messages.ERROR,
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_("The collection was not deleted because you didn't check that you were sure."))
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return redirect_obj(request, collection)
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if ((request.user.is_admin and
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request.user.id != collection.creator)):
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messages.add_message(
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request, messages.WARNING,
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_("You are about to delete another user's collection. "
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"Proceed with caution."))
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return render_to_response(
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request,
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'mediagoblin/user_pages/collection_confirm_delete.html',
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{'collection': collection,
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'form': form})
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ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
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def atom_feed(request):
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"""
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generates the atom feed with the newest images
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"""
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user = User.query.filter_by(
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username = request.matchdict['user'],
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status = u'active').first()
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if not user:
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return render_404(request)
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cursor = MediaEntry.query.filter_by(
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uploader = user.id,
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state = u'processed').\
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order_by(MediaEntry.created.desc()).\
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limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
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"""
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ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
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"""
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atomlinks = [{
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'href': request.urlgen(
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'mediagoblin.user_pages.user_home',
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qualified=True, user=request.matchdict['user']),
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'rel': 'alternate',
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'type': 'text/html'
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}]
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if mg_globals.app_config["push_urls"]:
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for push_url in mg_globals.app_config["push_urls"]:
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atomlinks.append({
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'rel': 'hub',
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'href': push_url})
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feed = AtomFeed(
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"MediaGoblin: Feed for user '%s'" % request.matchdict['user'],
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feed_url=request.url,
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id='tag:{host},{year}:gallery.user-{user}'.format(
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host=request.host,
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year=datetime.datetime.today().strftime('%Y'),
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user=request.matchdict['user']),
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links=atomlinks)
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for entry in cursor:
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feed.add(entry.get('title'),
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entry.description_html,
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id=entry.url_for_self(request.urlgen, qualified=True),
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content_type='html',
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author={
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'name': entry.get_uploader.username,
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'uri': request.urlgen(
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'mediagoblin.user_pages.user_home',
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qualified=True, user=entry.get_uploader.username)},
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updated=entry.get('created'),
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links=[{
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'href': entry.url_for_self(
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request.urlgen,
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qualified=True),
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'rel': 'alternate',
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'type': 'text/html'}])
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return feed.get_response()
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def collection_atom_feed(request):
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"""
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generates the atom feed with the newest images from a collection
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"""
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user = User.query.filter_by(
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username = request.matchdict['user'],
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status = u'active').first()
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if not user:
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return render_404(request)
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collection = Collection.query.filter_by(
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creator=user.id,
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slug=request.matchdict['collection']).first()
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if not collection:
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return render_404(request)
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cursor = CollectionItem.query.filter_by(
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collection=collection.id) \
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.order_by(CollectionItem.added.desc()) \
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.limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
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"""
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ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
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"""
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atomlinks = [{
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'href': collection.url_for_self(request.urlgen, qualified=True),
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'rel': 'alternate',
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'type': 'text/html'
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}]
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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 %s's collection %s" %
|
|
(request.matchdict['user'], collection.title),
|
|
feed_url=request.url,
|
|
id=u'tag:{host},{year}:gnu-mediagoblin.{user}.collection.{slug}'\
|
|
.format(
|
|
host=request.host,
|
|
year=collection.created.strftime('%Y'),
|
|
user=request.matchdict['user'],
|
|
slug=collection.slug),
|
|
links=atomlinks)
|
|
|
|
for item in cursor:
|
|
entry = item.get_media_entry
|
|
feed.add(entry.get('title'),
|
|
item.note_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=item.get('added'),
|
|
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!
|
|
"""
|
|
user = User.query.filter_by(username=request.matchdict['user']).first()
|
|
# TODO: 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? Simply redirect to this user's homepage.
|
|
return redirect(
|
|
request, 'mediagoblin.user_pages.user_home',
|
|
user=user.username)
|
|
|
|
# Get media entries which are in-processing
|
|
processing_entries = MediaEntry.query.\
|
|
filter_by(uploader = user.id,
|
|
state = u'processing').\
|
|
order_by(MediaEntry.created.desc())
|
|
|
|
# Get media entries which have failed to process
|
|
failed_entries = MediaEntry.query.\
|
|
filter_by(uploader = user.id,
|
|
state = u'failed').\
|
|
order_by(MediaEntry.created.desc())
|
|
|
|
processed_entries = MediaEntry.query.\
|
|
filter_by(uploader = user.id,
|
|
state = u'processed').\
|
|
order_by(MediaEntry.created.desc()).\
|
|
limit(10)
|
|
|
|
# Render to response
|
|
return render_to_response(
|
|
request,
|
|
'mediagoblin/user_pages/processing_panel.html',
|
|
{'user': user,
|
|
'processing_entries': processing_entries,
|
|
'failed_entries': failed_entries,
|
|
'processed_entries': processed_entries})
|