mediagoblin_libreplanet/__init__.py

   1 # MediaGoblin for LibrePlanet
   2 # Copyright (C) 2015 David Thompson <davet@gnu.org>
   3 #
   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.
   8 #
   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.
  13 #
  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/>.
  16
  17 import logging
  18 import os
  19
  20 from mediagoblin import mg_globals
  21 from mediagoblin.tools.pluginapi import get_config, register_template_path, register_routes, register_template_hooks
  22 from mediagoblin.db.models import MediaEntry
  23 from mediagoblin.db.util import media_entries_for_tag_slug
  24 from mediagoblin.tools.pagination import Pagination
  25 from mediagoblin.tools.response import render_to_response
  26 from mediagoblin.tools.licenses import SORTED_LICENSES, SUPPORTED_LICENSES, License
  27 from mediagoblin.decorators import uses_pagination, user_not_banned
  28
  29 # Add three CC BY non-NC 4.0 to licenses
  30 cc_by_4 = License("CC BY 4.0",
  31                      "Creative Commons Attribution 4.0 International",
  32                      "https://creativecommons.org/licenses/by/4.0/")
  33 cc_by_sa_4 = License("CC BY-SA 4.0",
  34                      "Creative Commons Attribution-ShareAlike 4.0 International",
  35                      "https://creativecommons.org/licenses/by-sa/4.0/")
  36 cc_by_nd_4 = License("CC BY-ND 4.0",
  37                      "Creative Commons Attribution-NoDerivatives 4.0 International",
  38                      "https://creativecommons.org/licenses/by-nd/4.0/")
  39 SORTED_LICENSES.insert(1, cc_by_4)
  40 SORTED_LICENSES.insert(2, cc_by_sa_4)
  41 SORTED_LICENSES.insert(3, cc_by_nd_4)
  42 SUPPORTED_LICENSES[cc_by_4.uri] = cc_by_4
  43 SUPPORTED_LICENSES[cc_by_sa_4.uri] = cc_by_sa_4
  44 SUPPORTED_LICENSES[cc_by_nd_4.uri] = cc_by_nd_4
  45
  46 PLUGIN_DIR = os.path.dirname(__file__)
  47
  48 MAX_HOME_ITEMS_DEFAULT = 10
  49
  50 MAX_HOME_ALL_VIDEO_ITEMS = 10
  51 MAX_HOME_ALL_PHOTO_ITEMS = 20
  52 MAX_HOME_FEATURED_ITEMS = 10
  53 MAX_HOME_LP_ITEMS = 10
  54
  55 # make tags lowercase and use dashes in place of spaces.
  56 # uppercase tags will be included by the lowercase form.
  57 FEATURED_TAG = "featured"
  58 LATEST_LP_VIDEO_TAG = "libreplanet-2016-video"
  59
  60
  61 _log = logging.getLogger(__name__)
  62
  63 # This is the function that gets called when the setup
  64 # hook fires.
  65 def setup_plugin():
  66     _log.info("Setting up Libreplanet...")
  67
  68     # Register the template path.
  69     register_template_path(os.path.join(PLUGIN_DIR, 'templates'))
  70
  71 def lp_media_for_type(db, type, tag=None, max_items=MAX_HOME_ITEMS_DEFAULT):
  72     if (tag == None):
  73         cursor = MediaEntry.query
  74     else:
  75         cursor = media_entries_for_tag_slug(db, tag)
  76
  77     return cursor.\
  78         filter((MediaEntry.media_type == type)
  79                & (MediaEntry.state == u'processed')).\
  80         order_by(MediaEntry.created.desc()).\
  81         limit(max_items)
  82
  83 @user_not_banned
  84 def frontpage_view(request):
  85     images          = lp_media_for_type(request.db, u'mediagoblin.media_types.image', None, MAX_HOME_ALL_PHOTO_ITEMS)
  86     videos          = lp_media_for_type(request.db, u'mediagoblin.media_types.video', None, MAX_HOME_ALL_VIDEO_ITEMS)
  87
  88     lp2016_videos   = lp_media_for_type(request.db, u'mediagoblin.media_types.video', LATEST_LP_VIDEO_TAG, MAX_HOME_LP_ITEMS)
  89
  90     featured_images = lp_media_for_type(request.db, u'mediagoblin.media_types.image', FEATURED_TAG, MAX_HOME_FEATURED_ITEMS)
  91     featured_videos = lp_media_for_type(request.db, u'mediagoblin.media_types.video', FEATURED_TAG, MAX_HOME_FEATURED_ITEMS)
  92
  93     return render_to_response(
  94         request, 'libreplanet/root.html',
  95         {'images': images,
  96          'videos': videos,
  97          'lp2016_videos': lp2016_videos,
  98          'featured_images': featured_images,
  99          'featured_videos': featured_videos,
 100          'allow_registration': mg_globals.app_config["allow_registration"]})
 101
 102 def frontpage_view_hook():
 103     return frontpage_view
 104
 105 register_routes([('all-videos', '/videos',
 106                   'mediagoblin.plugins.libreplanet.views:video_listing'),
 107                  ('all-photos', '/photos',
 108                   'mediagoblin.plugins.libreplanet.views:image_listing'),
 109
 110                  ('featured-videos', '/videos/featured',
 111                   'mediagoblin.plugins.libreplanet.views:featured_video_listing'),
 112                  ('featured-photos', '/photos/featured',
 113                   'mediagoblin.plugins.libreplanet.views:featured_image_listing')
 114              ])
 115
 116 # This is a dict that specifies which hooks this plugin uses.
 117 # This one only uses one hook: setup.
 118 hooks = {
 119     'setup': setup_plugin,
 120     'frontpage_view': frontpage_view_hook
 121 }
 122
 123 register_template_hooks(
 124     {'header_left':  "libreplanet/banner.html",
 125      'header_extra': "libreplanet/join.html"}
 126 )
 127