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.tools.text import cleaned_markdown_conversion
  22 from mediagoblin.tools.response import render_to_response, render_404, redirect
  23 from mediagoblin.tools.translate import pass_to_ugettext as _
  24 from mediagoblin.tools.pagination import Pagination
  25 from mediagoblin.tools.files import delete_media_files
  26 from mediagoblin.user_pages import forms as user_forms
  27
  28 from mediagoblin.decorators import (uses_pagination, get_user_media_entry,
  29     require_active_login, user_may_delete_media)
  30
  31 from werkzeug.contrib.atom import AtomFeed
  32
  33
  34 @uses_pagination
  35 def user_home(request, page):
  36     """'Homepage' of a User()"""
  37     user = request.db.User.find_one({
  38             'username': request.matchdict['user']})
  39     if not user:
  40         return render_404(request)
  41     elif user['status'] != u'active':
  42         return render_to_response(
  43             request,
  44             'mediagoblin/user_pages/user.html',
  45             {'user': user})
  46
  47     cursor = request.db.MediaEntry.find(
  48         {'uploader': user['_id'],
  49          'state': 'processed'}).sort('created', DESCENDING)
  50
  51     pagination = Pagination(page, cursor)
  52     media_entries = pagination()
  53
  54     #if no data is available, return NotFound
  55     if media_entries == None:
  56         return render_404(request)
  57
  58     user_gallery_url = request.urlgen(
  59         'mediagoblin.user_pages.user_gallery',
  60         user=user['username'])
  61
  62     return render_to_response(
  63         request,
  64         'mediagoblin/user_pages/user.html',
  65         {'user': user,
  66          'user_gallery_url': user_gallery_url,
  67          'media_entries': media_entries,
  68          'pagination': pagination})
  69
  70 @uses_pagination
  71 def user_gallery(request, page):
  72     """'Gallery' of a User()"""
  73     user = request.db.User.find_one({
  74             'username': request.matchdict['user'],
  75             'status': 'active'})
  76     if not user:
  77         return render_404(request)
  78
  79     cursor = request.db.MediaEntry.find(
  80         {'uploader': user['_id'],
  81          'state': 'processed'}).sort('created', DESCENDING)
  82
  83     pagination = Pagination(page, cursor)
  84     media_entries = pagination()
  85
  86     #if no data is available, return NotFound
  87     if media_entries == None:
  88         return render_404(request)
  89
  90     return render_to_response(
  91         request,
  92         'mediagoblin/user_pages/gallery.html',
  93         {'user': user,
  94          'media_entries': media_entries,
  95          'pagination': pagination})
  96
  97 MEDIA_COMMENTS_PER_PAGE = 50
  98
  99 @get_user_media_entry
 100 @uses_pagination
 101 def media_home(request, media, page, **kwargs):
 102     """
 103     'Homepage' of a MediaEntry()
 104     """
 105     if ObjectId(request.matchdict.get('comment')):
 106         pagination = Pagination(
 107             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE,
 108             ObjectId(request.matchdict.get('comment')))
 109     else:
 110         pagination = Pagination(
 111             page, media.get_comments(), MEDIA_COMMENTS_PER_PAGE)
 112
 113     comments = pagination()
 114
 115     comment_form = user_forms.MediaCommentForm(request.POST)
 116
 117     return render_to_response(
 118         request,
 119         'mediagoblin/user_pages/media.html',
 120         {'media': media,
 121          'comments': comments,
 122          'pagination': pagination,
 123          'comment_form': comment_form,
 124          'app_config': mg_globals.app_config})
 125
 126
 127 @require_active_login
 128 def media_post_comment(request):
 129     """
 130     recieves POST from a MediaEntry() comment form, saves the comment.
 131     """
 132     comment = request.db.MediaComment()
 133     comment['media_entry'] = ObjectId(request.matchdict['media'])
 134     comment['author'] = request.user['_id']
 135     comment['content'] = unicode(request.POST['comment_content'])
 136
 137     comment['content_html'] = cleaned_markdown_conversion(comment['content'])
 138
 139     comment.save()
 140
 141     messages.add_message(
 142         request, messages.SUCCESS,
 143         'Comment posted!')
 144
 145     return redirect(request, 'mediagoblin.user_pages.media_home',
 146         media = request.matchdict['media'],
 147         user = request.matchdict['user'])
 148
 149
 150 @get_user_media_entry
 151 @require_active_login
 152 @user_may_delete_media
 153 def media_confirm_delete(request, media):
 154
 155     form = user_forms.ConfirmDeleteForm(request.POST)
 156
 157     if request.method == 'POST' and form.validate():
 158         if form.confirm.data is True:
 159             username = media.uploader()['username']
 160
 161             # Delete all files on the public storage
 162             delete_media_files(media)
 163
 164             media.delete()
 165
 166             return redirect(request, "mediagoblin.user_pages.user_home",
 167                 user=username)
 168         else:
 169             return exc.HTTPFound(
 170                 location=media.url_for_self(request.urlgen))
 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})