mediagoblin/user_pages/views.py

   1 # MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011 Free Software Foundation, Inc
   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 from webob import exc
  18
  19 from mediagoblin import messages, mg_globals
  20 from mediagoblin.db.util import DESCENDING, ObjectId
  21 from mediagoblin.util import (
  22     Pagination, render_to_response, redirect, cleaned_markdown_conversion,
  23     render_404)
  24 from mediagoblin.user_pages import forms as user_forms
  25
  26 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
  27     require_active_login)
  28
  29 from werkzeug.contrib.atom import AtomFeed
  30
  31
  32 @uses_pagination
  33 def user_home(request, page):
  34     """'Homepage' of a User()"""
  35     user = request.db.User.find_one({
  36             'username': request.matchdict['user']})
  37     if not user:
  38         return render_404(request)
  39     elif user['status'] != u'active':
  40         return render_to_response(
  41             request,
  42             'mediagoblin/user_pages/user.html',
  43             {'user': user})
  44
  45     cursor = request.db.MediaEntry.find(
  46         {'uploader': user['_id'],
  47          'state': 'processed'}).sort('created', DESCENDING)
  48
  49     pagination = Pagination(page, cursor)
  50     media_entries = pagination()
  51
  52     #if no data is available, return NotFound
  53     if media_entries == None:
  54         return render_404(request)
  55
  56     user_gallery_url = request.urlgen(
  57         'mediagoblin.user_pages.user_gallery',
  58         user=user['username'])
  59
  60     return render_to_response(
  61         request,
  62         'mediagoblin/user_pages/user.html',
  63         {'user': user,
  64          'user_gallery_url': user_gallery_url,
  65          'media_entries': media_entries,
  66          'pagination': pagination})
  67
  68 @uses_pagination
  69 def user_gallery(request, page):
  70     """'Gallery' of a User()"""
  71     user = request.db.User.find_one({
  72             'username': request.matchdict['user'],
  73             'status': 'active'})
  74     if not user:
  75         return render_404(request)
  76
  77     cursor = request.db.MediaEntry.find(
  78         {'uploader': user['_id'],
  79          'state': 'processed'}).sort('created', DESCENDING)
  80
  81     pagination = Pagination(page, cursor)
  82     media_entries = pagination()
  83
  84     #if no data is available, return NotFound
  85     if media_entries == None:
  86         return render_404(request)
  87
  88     return render_to_response(
  89         request,
  90         'mediagoblin/user_pages/gallery.html',
  91         {'user': user,
  92          'media_entries': media_entries,
  93          'pagination': pagination})
  94
  95 MEDIA_COMMENTS_PER_PAGE = 50
  96
  97 @get_user_media_entry
  98 @uses_pagination
  99 def media_home(request, media, page, **kwargs):
 100     """
 101     'Homepage' of a MediaEntry()
 102     """
 103     if ObjectId(request.matchdict.get('comment')):
 104         pagination = Pagination(
 105             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE,
 106             ObjectId(request.matchdict.get('comment')))
 107     else:
 108         pagination = Pagination(
 109             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE)
 110
 111     comments = pagination()
 112
 113     comment_form = user_forms.MediaCommentForm(request.POST)
 114
 115     return render_to_response(
 116         request,
 117         'mediagoblin/user_pages/media.html',
 118         {'media': media,
 119          'comments': comments,
 120          'pagination': pagination,
 121          'comment_form': comment_form,
 122          'app_config': mg_globals.app_config})
 123
 124
 125 @require_active_login
 126 def media_post_comment(request):
 127     """
 128     recieves POST from a MediaEntry() comment form, saves the comment.
 129     """
 130     comment = request.db.MediaComment()
 131     comment['media_entry'] = ObjectId(request.matchdict['media'])
 132     comment['author'] = request.user['_id']
 133     comment['content'] = request.POST['comment_content']
 134
 135     comment['content_html'] = cleaned_markdown_conversion(comment['content'])
 136
 137     comment.save()
 138
 139     messages.add_message(
 140         request, messages.SUCCESS,
 141         'Comment posted!')
 142
 143     return redirect(request, 'mediagoblin.user_pages.media_home',
 144         media = request.matchdict['media'],
 145         user = request.matchdict['user'])
 146
 147
 148 ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
 149
 150 def atom_feed(request):
 151     """
 152     generates the atom feed with the newest images
 153     """
 154
 155     user = request.db.User.find_one({
 156                'username': request.matchdict['user'],
 157                'status': 'active'})
 158     if not user:
 159         return render_404(request)
 160
 161     cursor = request.db.MediaEntry.find({
 162                  'uploader': user['_id'],
 163                  'state': 'processed'}) \
 164                  .sort('created', DESCENDING) \
 165                  .limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 166
 167     feed = AtomFeed(request.matchdict['user'],
 168                feed_url=request.url,
 169                url=request.host_url)
 170
 171     for entry in cursor:
 172         feed.add(entry.get('title'),
 173             entry.get('description_html'),
 174             content_type='html',
 175             author=request.matchdict['user'],
 176             updated=entry.get('created'),
 177             url=entry.url_for_self(request.urlgen))
 178
 179     return feed.get_response()
 180
 181
 182 @require_active_login
 183 def processing_panel(request):
 184     """
 185     Show to the user what media is still in conversion/processing...
 186     and what failed, and why!
 187     """
 188     # Get the user
 189     user = request.db.User.find_one(
 190         {'username': request.matchdict['user'],
 191          'status': 'active'})
 192
 193     # Make sure the user exists and is active
 194     if not user:
 195         return render_404(request)
 196     elif user['status'] != u'active':
 197         return render_to_response(
 198             request,
 199             'mediagoblin/user_pages/user.html',
 200             {'user': user})
 201
 202     # XXX: Should this be a decorator?
 203     #
 204     # Make sure we have permission to access this user's panel.  Only
 205     # admins and this user herself should be able to do so.
 206     if not (user[u'_id'] == request.user[u'_id']
 207             or request.user.is_admin):
 208         # No?  Let's simply redirect to this user's homepage then.
 209         return redirect(
 210             request, 'mediagoblin.user_pages.user_home',
 211             user=request.matchdict['user'])
 212
 213     # Get media entries which are in-processing
 214     processing_entries = request.db.MediaEntry.find(
 215         {'uploader': user['_id'],
 216          'state': 'processing'}).sort('created', DESCENDING)
 217
 218     # Get media entries which have failed to process
 219     failed_entries = request.db.MediaEntry.find(
 220         {'uploader': user['_id'],
 221          'state': 'failed'}).sort('created', DESCENDING)
 222
 223     # Render to response
 224     return render_to_response(
 225         request,
 226         'mediagoblin/user_pages/processing_panel.html',
 227         {'user': user,
 228          'processing_entries': processing_entries,
 229          'failed_entries': failed_entries})