mediagoblin/media_types/blog/lib.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
  18 def check_blog_slug_used(author_id, slug, ignore_b_id=None):
  19     from mediagoblin.media_types.blog.models import Blog
  20     query = Blog.query.filter_by(author=author_id, slug=slug)
  21     if ignore_b_id:
  22         query = query.filter(Blog.id != ignore_b_id)
  23     does_exist = query.first() is not None
  24     return does_exist
  25
  26 def may_edit_blogpost(request, blog):
  27     if request.user.has_privilege(u'admin') or request.user.id == blog.author:
  28         return True
  29     return False
  30
  31 def set_blogpost_state(request, blogpost):
  32     if request.form['status'] == 'Publish':
  33         blogpost.state = u'processed'
  34     else:
  35         blogpost.state = u'failed'
  36
  37 def get_all_blogposts_of_blog(request, blog, state=None):
  38     blog_posts_list = []
  39     blog_post_data = request.db.BlogPostData.query.filter_by(blog=blog.id).all()
  40     for each_blog_post_data in blog_post_data:
  41         blog_post = each_blog_post_data.get_media_entry
  42         if state == None:
  43             blog_posts_list.append(blog_post)
  44         if blog_post.state == state:
  45             blog_posts_list.append(blog_post)
  46     blog_posts_list.reverse()
  47     return blog_posts_list
  48
  49 def get_blog_by_slug(request, slug, **kwargs):
  50     if slug.startswith('blog_'):
  51         blog_id = int(slug[5:])
  52         blog = request.db.Blog.query.filter_by(id=blog_id, **kwargs).first()
  53     else:
  54         blog = request.db.Blog.query.filter_by(slug=slug, **kwargs).first()
  55     return blog
  56