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
  71 @uses_pagination
  72 def user_gallery(request, page):
  73     """'Gallery' of a User()"""
  74     user = request.db.User.find_one({
  75             'username': request.matchdict['user'],
  76             'status': 'active'})
  77     if not user:
  78         return render_404(request)
  79
  80     cursor = request.db.MediaEntry.find(
  81         {'uploader': user._id,
  82          'state': 'processed'}).sort('created', DESCENDING)
  83
  84     pagination = Pagination(page, cursor)
  85     media_entries = pagination()
  86
  87     #if no data is available, return NotFound
  88     if media_entries == None:
  89         return render_404(request)
  90
  91     return render_to_response(
  92         request,
  93         'mediagoblin/user_pages/gallery.html',
  94         {'user': user,
  95          'media_entries': media_entries,
  96          'pagination': pagination})
  97
  98 MEDIA_COMMENTS_PER_PAGE = 50
  99
 100
 101 @get_user_media_entry
 102 @uses_pagination
 103 def media_home(request, media, page, **kwargs):
 104     """
 105     'Homepage' of a MediaEntry()
 106     """
 107     if ObjectId(request.matchdict.get('comment')):
 108         pagination = Pagination(
 109             page, media.get_comments(True), MEDIA_COMMENTS_PER_PAGE,
 110             ObjectId(request.matchdict.get('comment')))
 111     else:
 112         pagination = Pagination(
 113             page, media.get_comments(True), MEDIA_COMMENTS_PER_PAGE)
 114
 115     comments = pagination()
 116
 117     comment_form = user_forms.MediaCommentForm(request.POST)
 118
 119     return render_to_response(
 120         request,
 121         'mediagoblin/user_pages/media.html',
 122         {'media': media,
 123          'comments': comments,
 124          'pagination': pagination,
 125          'comment_form': comment_form,
 126          'app_config': mg_globals.app_config})
 127
 128
 129 @get_user_media_entry
 130 @require_active_login
 131 def media_post_comment(request, media):
 132     """
 133     recieves POST from a MediaEntry() comment form, saves the comment.
 134     """
 135     assert request.method == 'POST'
 136
 137     comment = request.db.MediaComment()
 138     comment['media_entry'] = media._id
 139     comment['author'] = request.user._id
 140     comment['content'] = unicode(request.POST['comment_content'])
 141     comment['content_html'] = cleaned_markdown_conversion(comment['content'])
 142
 143     if not comment['content'].strip():
 144         messages.add_message(
 145             request,
 146             messages.ERROR,
 147             _("Empty comments are not allowed."))
 148     else:
 149         comment.save()
 150
 151         messages.add_message(
 152             request, messages.SUCCESS,
 153             _('Comment posted!'))
 154
 155     return exc.HTTPFound(
 156         location=media.url_for_self(request.urlgen))
 157
 158
 159 @get_user_media_entry
 160 @require_active_login
 161 @user_may_delete_media
 162 def media_confirm_delete(request, media):
 163
 164     form = user_forms.ConfirmDeleteForm(request.POST)
 165
 166     if request.method == 'POST' and form.validate():
 167         if form.confirm.data is True:
 168             username = media.uploader()['username']
 169
 170             # Delete all files on the public storage
 171             delete_media_files(media)
 172
 173             media.delete()
 174
 175             return redirect(request, "mediagoblin.user_pages.user_home",
 176                 user=username)
 177         else:
 178             return exc.HTTPFound(
 179                 location=media.url_for_self(request.urlgen))
 180
 181     if ((request.user[u'is_admin'] and
 182          request.user._id != media.uploader()._id)):
 183         messages.add_message(
 184             request, messages.WARNING,
 185             _("You are about to delete another user's media. "
 186               "Proceed with caution."))
 187
 188     return render_to_response(
 189         request,
 190         'mediagoblin/user_pages/media_confirm_delete.html',
 191         {'media': media,
 192          'form': form})
 193
 194
 195 ATOM_DEFAULT_NR_OF_UPDATED_ITEMS = 15
 196
 197
 198 def atom_feed(request):
 199     """
 200     generates the atom feed with the newest images
 201     """
 202
 203     user = request.db.User.find_one({
 204                'username': request.matchdict['user'],
 205                'status': 'active'})
 206     if not user:
 207         return render_404(request)
 208
 209     cursor = request.db.MediaEntry.find({
 210                  'uploader': user._id,
 211                  'state': 'processed'}) \
 212                  .sort('created', DESCENDING) \
 213                  .limit(ATOM_DEFAULT_NR_OF_UPDATED_ITEMS)
 214
 215     feed = AtomFeed(request.matchdict['user'],
 216                feed_url=request.url,
 217                url=request.host_url)
 218
 219     for entry in cursor:
 220         feed.add(entry.get('title'),
 221             entry.get('description_html'),
 222             content_type='html',
 223             author=request.matchdict['user'],
 224             updated=entry.get('created'),
 225             url=entry.url_for_self(request.urlgen))
 226
 227     return feed.get_response()
 228
 229
 230 @require_active_login
 231 def processing_panel(request):
 232     """
 233     Show to the user what media is still in conversion/processing...
 234     and what failed, and why!
 235     """
 236     # Get the user
 237     user = request.db.User.find_one(
 238         {'username': request.matchdict['user'],
 239          'status': 'active'})
 240
 241     # Make sure the user exists and is active
 242     if not user:
 243         return render_404(request)
 244     elif user['status'] != u'active':
 245         return render_to_response(
 246             request,
 247             'mediagoblin/user_pages/user.html',
 248             {'user': user})
 249
 250     # XXX: Should this be a decorator?
 251     #
 252     # Make sure we have permission to access this user's panel.  Only
 253     # admins and this user herself should be able to do so.
 254     if not (user._id == request.user._id
 255             or request.user.is_admin):
 256         # No?  Let's simply redirect to this user's homepage then.
 257         return redirect(
 258             request, 'mediagoblin.user_pages.user_home',
 259             user=request.matchdict['user'])
 260
 261     # Get media entries which are in-processing
 262     processing_entries = request.db.MediaEntry.find(
 263         {'uploader': user._id,
 264          'state': 'processing'}).sort('created', DESCENDING)
 265
 266     # Get media entries which have failed to process
 267     failed_entries = request.db.MediaEntry.find(
 268         {'uploader': user._id,
 269          'state': 'failed'}).sort('created', DESCENDING)
 270
 271     # Render to response
 272     return render_to_response(
 273         request,
 274         'mediagoblin/user_pages/processing_panel.html',
 275         {'user': user,
 276          'processing_entries': processing_entries,
 277          'failed_entries': failed_entries})