mediagoblin/media_types/blog/views.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011, 2012 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 datetime import datetime
  18
  19 from werkzeug.exceptions import Forbidden
  20
  21 from mediagoblin import messages
  22 from mediagoblin import mg_globals
  23
  24 from mediagoblin.media_types.blog import forms as blog_forms
  25 from mediagoblin.messages import add_message, SUCCESS
  26 #from mediagoblin.edit.lib import may_edit_media
  27 from mediagoblin.decorators import (require_active_login, active_user_from_url,
  28                             get_media_entry_by_id, user_may_alter_collection,
  29                             get_user_collection)
  30 from mediagoblin.tools.response import (render_to_response,
  31                                         redirect, redirect_obj, render_404)
  32 from mediagoblin.tools.translate import pass_to_ugettext as _
  33 from mediagoblin.tools.template import render_template
  34 from mediagoblin.tools.text import (
  35     convert_to_tag_list_of_dicts, media_tags_as_string)
  36 from mediagoblin.tools.url import slugify
  37 from mediagoblin.db.util import check_media_slug_used, check_collection_slug_used
  38 from mediagoblin.db.models import User, Collection
  39
  40 @require_active_login
  41 def blog_create(request, media=None):
  42     """
  43     View to create and edit a blog
  44     """
  45
  46     blog_form = blog_forms.BlogEditForm(request.form)
  47
  48     if request.method == 'POST' and blog_form.validate():
  49         blog = request.db.Collection()
  50
  51         blog.title = unicode(blog_form.title.data)
  52         blog.description = unicode(blog_form.description.data)
  53         blog.creator = request.user.id
  54         blog.generate_slug()
  55
  56         # Make sure this user isn't duplicating an existing collection
  57         existing_blog_name = request.db.Collection.find_one({
  58                 'creator': request.user.id,
  59                 'title':blog.title})
  60
  61         if existing_blog_name:
  62             add_message(request, messages.ERROR,
  63                 _('You already have a blog called "%s"!') \
  64                     % blog.title)
  65         else:
  66             blog.save()
  67
  68             add_message(request, SUCCESS,
  69                 _('Blog "%s" added!') % blog.title)
  70
  71         return redirect(request, "mediagoblin.user_pages.user_home",
  72                         user=request.user.username)
  73
  74     return render_to_response(
  75         request,
  76         'mediagoblin/blog/blog_edit_create.html',
  77         {'blog_form': blog_form,
  78          'user' : request.user,
  79          'app_config': mg_globals.app_config})
  80
  81
  82 @require_active_login
  83 @user_may_alter_collection
  84 @get_user_collection
  85 def blog_edit(request, collection):
  86     """
  87     View for editing an existing blog which is a collection of MediaEntries.
  88     """
  89     blog = collection
  90     defaults = dict(
  91                 title = blog.title,
  92                 description = blog.description)
  93     existing_blog = request.db.Collection.find_one({
  94                                 'creator': request.user.id,
  95                 'title':blog_form.title.data})
  96     if existing_blog and existing_blog.id != blog.id:
  97                 messages.add_message(
  98                         request, messages.ERROR,
  99                         _('You already have a blog called "%s"!') % \
 100                     blog_form.title.data)
 101     else:
 102             blog.title = unicode(blog_form.title.data)
 103             blog.description = unicode(blog_form.description.data)
 104
 105             blog.save()
 106
 107             return redirect_obj(request, blog)
 108
 109     if request.user.is_admin \
 110             and blog.creator != request.user.id \
 111             and request.method != 'POST':
 112         messages.add_message(
 113             request, messages.WARNING,
 114             _("You are editing another user's blog. Proceed with caution."))
 115
 116     return render_to_response(
 117         request,
 118         'mediagoblin/blog/blog_edit_create.html',
 119         {'blog': blog,
 120          'form': blog_form})
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