1 # GNU MediaGoblin -- federated, autonomous media hosting
2 # Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
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.
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.
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/>.
17 from mediagoblin
.db
.util
import media_entries_for_tag_slug
, DESCENDING
19 from mediagoblin
.tools
.pagination
import Pagination
20 from mediagoblin
.tools
.response
import render_to_response
21 from mediagoblin
.decorators
import uses_pagination
23 from werkzeug
.contrib
.atom
import AtomFeed
26 def _get_tag_name_from_entries(media_entries
, tag_slug
):
28 Get a tag name from the first entry by looking it up via its slug.
30 # ... this is slightly hacky looking :\
33 for entry
in media_entries
:
34 for tag
in entry
.tags
:
35 if tag
['slug'] == tag_slug
:
36 tag_name
= tag
['name']
39 # TODO: Remove after SQL-switch, it's mongo specific
40 if hasattr(media_entries
, "rewind"):
41 media_entries
.rewind()
47 def tag_listing(request
, page
):
48 """'Gallery'/listing for this tag slug"""
49 tag_slug
= request
.matchdict
[u
'tag']
51 cursor
= media_entries_for_tag_slug(request
.db
, tag_slug
)
52 cursor
= cursor
.sort('created', DESCENDING
)
54 pagination
= Pagination(page
, cursor
)
55 media_entries
= pagination()
57 tag_name
= _get_tag_name_from_entries(media_entries
, tag_slug
)
59 return render_to_response(
61 'mediagoblin/listings/tag.html',
62 {'tag_slug': tag_slug
,
64 'media_entries': media_entries
,
65 'pagination': pagination
})
68 ATOM_DEFAULT_NR_OF_UPDATED_ITEMS
= 15
71 def tag_atom_feed(request
):
73 generates the atom feed with the tag images
75 tag_slug
= request
.matchdict
[u
'tag']
77 cursor
= media_entries_for_tag_slug(request
.db
, tag_slug
)
78 cursor
= cursor
.sort('created', DESCENDING
)
79 cursor
= cursor
.limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS
)
82 ATOM feed id is a tag URI (see http://en.wikipedia.org/wiki/Tag_URI)
85 "MediaGoblin: Feed for tag '%s'" % tag_slug
,
87 id='tag:'+request
.host
+',2011:gallery.tag-%s' % tag_slug
,
88 links
=[{'href': request
.urlgen(
89 'mediagoblin.listings.tags_listing',
90 qualified
=True, tag
=tag_slug
),
92 'type': 'text/html'}])
94 feed
.add(entry
.get('title'),
95 entry
.description_html
,
96 id=entry
.url_for_self(request
.urlgen
,qualified
=True),
98 author
={'name': entry
.get_uploader
.username
,
99 'uri': request
.urlgen(
100 'mediagoblin.user_pages.user_home',
101 qualified
=True, user
=entry
.get_uploader
.username
)},
102 updated
=entry
.get('created'),
104 'href':entry
.url_for_self(
108 'type': 'text/html'}])
110 return feed
.get_response()