mediagoblin/user_pages/views.py

   1 # MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011 MediaGoblin contributors.  See AUTHORS.
   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, delete_media_files)
  24 from mediagoblin.util import pass_to_ugettext as _
  25 from mediagoblin.user_pages import forms as user_forms
  26
  27 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
  28     require_active_login, user_may_delete_media)
  29
  30 from werkzeug.contrib.atom import AtomFeed
  31
  32
  33 @uses_pagination
  34 def user_home(request, page):
  35     """'Homepage' of a User()"""
  36     user = request.db.User.find_one({
  37             'username': request.matchdict['user']})
  38     if not user:
  39         return render_404(request)
  40     elif user['status'] != u'active':
  41         return render_to_response(
  42             request,
  43             'mediagoblin/user_pages/user.html',
  44             {'user': user})
  45
  46     cursor = request.db.MediaEntry.find(
  47         {'uploader': user['_id'],
  48          'state': 'processed'}).sort('created', DESCENDING)
  49
  50     pagination = Pagination(page, cursor)
  51     media_entries = pagination()
  52
  53     #if no data is available, return NotFound
  54     if media_entries == None:
  55         return render_404(request)
  56
  57     user_gallery_url = request.urlgen(
  58         'mediagoblin.user_pages.user_gallery',
  59         user=user['username'])
  60
  61     return render_to_response(
  62         request,
  63         'mediagoblin/user_pages/user.html',
  64         {'user': user,
  65          'user_gallery_url': user_gallery_url,
  66          'media_entries': media_entries,
  67          'pagination': pagination})
  68
  69 @uses_pagination
  70 def user_gallery(request, page):
  71     """'Gallery' of a User()"""
  72     user = request.db.User.find_one({
  73             'username': request.matchdict['user'],
  74             'status': 'active'})
  75     if not user:
  76         return render_404(request)
  77
  78     cursor = request.db.MediaEntry.find(
  79         {'uploader': user['_id'],
  80          'state': 'processed'}).sort('created', DESCENDING)
  81
  82     pagination = Pagination(page, cursor)
  83     media_entries = pagination()
  84
  85     #if no data is available, return NotFound
  86     if media_entries == None:
  87         return render_404(request)
  88
  89     return render_to_response(
  90         request,
  91         'mediagoblin/user_pages/gallery.html',
  92         {'user': user,
  93          'media_entries': media_entries,
  94          'pagination': pagination})
  95
  96 MEDIA_COMMENTS_PER_PAGE = 50
  97
  98 @get_user_media_entry
  99 @uses_pagination
 100 def media_home(request, media, page, **kwargs):
 101     """
 102     'Homepage' of a MediaEntry()
 103     """
 104     if ObjectId(request.matchdict.get('comment')):
 105         pagination = Pagination(
 106             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE,
 107             ObjectId(request.matchdict.get('comment')))
 108     else:
 109         pagination = Pagination(
 110             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE)
 111
 112     comments = pagination()
 113
 114     comment_form = user_forms.MediaCommentForm(request.POST)
 115
 116     return render_to_response(
 117         request,
 118         'mediagoblin/user_pages/media.html',
 119         {'media': media,
 120          'comments': comments,
 121          'pagination': pagination,
 122          'comment_form': comment_form,
 123          'app_config': mg_globals.app_config})
 124
 125
 126 @require_active_login
 127 def media_post_comment(request):
 128     """
 129     recieves POST from a MediaEntry() comment form, saves the comment.
 130     """
 131     comment = request.db.MediaComment()
 132     comment['media_entry'] = ObjectId(request.matchdict['media'])
 133     comment['author'] = request.user['_id']
 134     comment['content'] = unicode(request.POST['comment_content'])
 135
 136     comment['content_html'] = cleaned_markdown_conversion(comment['content'])
 137
 138     comment.save()
 139
 140     messages.add_message(
 141         request, messages.SUCCESS,
 142         'Comment posted!')
 143
 144     return redirect(request, 'mediagoblin.user_pages.media_home',
 145         media = request.matchdict['media'],
 146         user = request.matchdict['user'])
 147
 148
 149 @get_user_media_entry
 150 @require_active_login
 151 @user_may_delete_media
 152 def media_confirm_delete(request, media):
 153
 154     form = user_forms.ConfirmDeleteForm(request.POST)
 155
 156     if request.method == 'POST' and form.validate():
 157         if form.confirm.data is True:
 158             username = media.uploader()['username']
 159
 160             # Delete all files on the public storage
 161             delete_media_files(media)
 162
 163             media.delete()
 164
 165             return redirect(request, "mediagoblin.user_pages.user_home",
 166                 user=username)
 167         else:
 168             return redirect(request, "mediagoblin.user_pages.media_home",
 169                             user=media.uploader()['username'],
 170                             media=media['slug'])
 171
 172     if ((request.user[u'is_admin'] and
 173          request.user[u'_id'] != media.uploader()[u'_id'])):
 174         messages.add_message(
 175             request, messages.WARNING,
 176             _("You are about to delete another user's media. "
 177               "Proceed with caution."))
 178
 179     return render_to_response(
 180         request,
 181         'mediagoblin/user_pages/media_confirm_delete.html',
 182         {'media': media,
 183          'form': form})
 184
 185
 186 ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
 187
 188 def atom_feed(request):
 189     """
 190     generates the atom feed with the newest images
 191     """
 192
 193     user = request.db.User.find_one({
 194                'username': request.matchdict['user'],
 195                'status': 'active'})
 196     if not user:
 197         return render_404(request)
 198
 199     cursor = request.db.MediaEntry.find({
 200                  'uploader': user['_id'],
 201                  'state': 'processed'}) \
 202                  .sort('created', DESCENDING) \
 203                  .limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 204
 205     feed = AtomFeed(request.matchdict['user'],
 206                feed_url=request.url,
 207                url=request.host_url)
 208
 209     for entry in cursor:
 210         feed.add(entry.get('title'),
 211             entry.get('description_html'),
 212             content_type='html',
 213             author=request.matchdict['user'],
 214             updated=entry.get('created'),
 215             url=entry.url_for_self(request.urlgen))
 216
 217     return feed.get_response()
 218
 219
 220 @require_active_login
 221 def processing_panel(request):
 222     """
 223     Show to the user what media is still in conversion/processing...
 224     and what failed, and why!
 225     """
 226     # Get the user
 227     user = request.db.User.find_one(
 228         {'username': request.matchdict['user'],
 229          'status': 'active'})
 230
 231     # Make sure the user exists and is active
 232     if not user:
 233         return render_404(request)
 234     elif user['status'] != u'active':
 235         return render_to_response(
 236             request,
 237             'mediagoblin/user_pages/user.html',
 238             {'user': user})
 239
 240     # XXX: Should this be a decorator?
 241     #
 242     # Make sure we have permission to access this user's panel.  Only
 243     # admins and this user herself should be able to do so.
 244     if not (user[u'_id'] == request.user[u'_id']
 245             or request.user.is_admin):
 246         # No?  Let's simply redirect to this user's homepage then.
 247         return redirect(
 248             request, 'mediagoblin.user_pages.user_home',
 249             user=request.matchdict['user'])
 250
 251     # Get media entries which are in-processing
 252     processing_entries = request.db.MediaEntry.find(
 253         {'uploader': user['_id'],
 254          'state': 'processing'}).sort('created', DESCENDING)
 255
 256     # Get media entries which have failed to process
 257     failed_entries = request.db.MediaEntry.find(
 258         {'uploader': user['_id'],
 259          'state': 'failed'}).sort('created', DESCENDING)
 260
 261     # Render to response
 262     return render_to_response(
 263         request,
 264         'mediagoblin/user_pages/processing_panel.html',
 265         {'user': user,
 266          'processing_entries': processing_entries,
 267          'failed_entries': failed_entries})