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 import logging
  18 _log = logging.getLogger(__name__)
  19
  20 from datetime import datetime
  21
  22 from werkzeug.exceptions import Forbidden
  23
  24 from mediagoblin import mg_globals
  25
  26 from mediagoblin.media_types.blog import forms as blog_forms
  27 from mediagoblin.media_types.blog.models import Blog, BlogPostData
  28 from mediagoblin.media_types.blog.lib import may_edit_blogpost, set_blogpost_state, get_all_blogposts_of_blog
  29
  30 from mediagoblin.messages import add_message, SUCCESS, ERROR
  31 from mediagoblin.decorators import (require_active_login, active_user_from_url,
  32                             get_media_entry_by_id, user_may_alter_collection,
  33                             get_user_collection, uses_pagination)
  34 from mediagoblin.tools.pagination import Pagination
  35 from mediagoblin.tools.response import (render_to_response,
  36                                         redirect, render_404)
  37 from mediagoblin.tools.translate import pass_to_ugettext as _
  38 from mediagoblin.tools.template import render_template
  39 from mediagoblin.tools.text import (
  40     convert_to_tag_list_of_dicts, media_tags_as_string, clean_html,
  41     cleaned_markdown_conversion)
  42
  43 from mediagoblin.db.util import check_media_slug_used, check_collection_slug_used
  44 from mediagoblin.db.models import User, Collection, MediaEntry
  45
  46 from mediagoblin.notifications import add_comment_subscription
  47
  48
  49 @require_active_login
  50 def blog_edit(request):
  51     """
  52     View for editing the existing blog or automatically
  53     creating a new blog if user does not have any yet.
  54     """
  55     url_user = request.matchdict.get('user', None)
  56     blog_slug = request.matchdict.get('blog_slug', None)
  57
  58     max_blog_count = 4
  59     form = blog_forms.BlogEditForm(request.form)
  60     # the blog doesn't exists yet
  61     if not blog_slug:
  62         if Blog.query.filter_by(author=request.user.id).count()<max_blog_count:
  63             if request.method=='GET':
  64                 return render_to_response(
  65                     request,
  66                     'mediagoblin/blog/blog_edit_create.html',
  67                     {'form': form,
  68                     'user' : request.user,
  69                     'app_config': mg_globals.app_config})
  70
  71             if request.method=='POST' and form.validate():
  72                 _log.info("Here")
  73                 blog = request.db.Blog()
  74                 blog.title = unicode(form.title.data)
  75                 blog.description = unicode(cleaned_markdown_conversion((form.description.data)))
  76                 blog.author = request.user.id
  77                 blog.generate_slug()
  78
  79                 blog.save()
  80                 return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
  81                         user=request.user.username
  82                        )
  83         else:
  84             #the case when max blog count is one.
  85             add_message(request, ERROR, "Welcome! You already have created a blog.")
  86             return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
  87                         user=request.user.username)
  88
  89
  90     #Blog already exists.
  91     else:
  92         blog = request.db.Blog.query.filter_by(slug=blog_slug).first()
  93         if request.method == 'GET':
  94             defaults = dict(
  95                 title = blog.title,
  96                 description = cleaned_markdown_conversion(blog.description),
  97                 author = request.user.id)
  98
  99             form = blog_forms.BlogEditForm(**defaults)
 100
 101             return render_to_response(
 102                     request,
 103                     'mediagoblin/blog/blog_edit_create.html',
 104                     {'form': form,
 105                      'user': request.user,
 106                      'app_config': mg_globals.app_config})
 107         else:
 108             if request.method == 'POST' and form.validate():
 109                 blog.title = unicode(form.title.data)
 110                 blog.description = unicode(cleaned_markdown_conversion((form.description.data)))
 111                 blog.author = request.user.id
 112                 blog.generate_slug()
 113
 114                 blog.save()
 115                 add_message(request, SUCCESS, "Your blog is updated.")
 116                 return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 117                         user=request.user.username,
 118                         blog_slug=blog.slug)
 119
 120
 121 @require_active_login
 122 def blogpost_create(request):
 123
 124     form = blog_forms.BlogPostEditForm(request.form, license=request.user.license_preference)
 125
 126     if request.method == 'POST' and form.validate():
 127         blog_slug = request.matchdict.get('blog_slug')
 128         blog = request.db.Blog.query.filter_by(slug=blog_slug,
 129             author=request.user.id).first()
 130         if not blog:
 131             return render_404(request)
 132
 133         blogpost = request.db.MediaEntry()
 134         blogpost.media_type = 'mediagoblin.media_types.blogpost'
 135         blogpost.title = unicode(form.title.data)
 136         blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
 137         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
 138         blogpost.license = unicode(form.license.data) or None
 139         blogpost.uploader = request.user.id
 140         blogpost.generate_slug()
 141
 142         set_blogpost_state(request, blogpost)
 143         blogpost.save()
 144
 145         # connect this blogpost to its blog
 146         blog_post_data = request.db.BlogPostData()
 147         blog_post_data.blog = blog.id
 148         blog_post_data.media_entry = blogpost.id
 149         blog_post_data.save()
 150
 151         add_message(request, SUCCESS, _('Woohoo! Submitted!'))
 152         add_comment_subscription(request.user, blogpost)
 153         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 154                         user=request.user.username,
 155                         blog_slug=blog.slug)
 156
 157     return render_to_response(
 158         request,
 159         'mediagoblin/blog/blog_post_edit_create.html',
 160         {'form': form,
 161         'app_config': mg_globals.app_config,
 162         'user': request.user.username})
 163
 164
 165 @require_active_login
 166 def blogpost_edit(request):
 167     blog_slug = request.matchdict.get('blog_slug', None)
 168     blog_post_slug = request.matchdict.get('blog_post_slug', None)
 169
 170     blogpost = request.db.MediaEntry.query.filter_by(slug=blog_post_slug, uploader=request.user.id).first()
 171     blog = request.db.Blog.query.filter_by(slug=blog_slug, author=request.user.id).first()
 172
 173     if not blogpost or not blog:
 174         return render_404(request)
 175
 176     defaults = dict(
 177                 title = blogpost.title,
 178                 description = cleaned_markdown_conversion(blogpost.description),
 179                 tags=media_tags_as_string(blogpost.tags),
 180                 license=blogpost.license)
 181
 182     form = blog_forms.BlogPostEditForm(request.form, **defaults)
 183     if request.method == 'POST' and form.validate():
 184         blogpost.title = unicode(form.title.data)
 185         blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
 186         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
 187         blogpost.license = unicode(form.license.data)
 188         set_blogpost_state(request, blogpost)
 189         blogpost.generate_slug()
 190         blogpost.save()
 191
 192         add_message(request, SUCCESS, _('Woohoo! edited blogpost is submitted'))
 193         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 194                         user=request.user.username,
 195                         blog_slug=blog.slug)
 196
 197     return render_to_response(
 198         request,
 199         'mediagoblin/blog/blog_post_edit_create.html',
 200         {'form': form,
 201         'app_config': mg_globals.app_config,
 202         'user': request.user.username,
 203         'blog_post_slug': blog_post_slug
 204         })
 205
 206 @require_active_login
 207 @uses_pagination
 208 def blog_dashboard(request, page):
 209
 210         url_user = request.matchdict.get('user')
 211         user = request.db.User.query.filter_by(username=url_user).one()
 212         blog_slug = request.matchdict.get('blog_slug', None)
 213
 214         blogs = request.db.Blog.query.filter_by(author=request.user.id)
 215         if blog_slug and user.id == request.user.id:
 216                 blog = blogs.filter(Blog.slug==blog_slug).first()
 217                 if not blog:
 218                         return render_404(request)
 219                 blog_posts_list = blog.get_all_blog_posts().order_by(MediaEntry.created.desc())
 220                 _log.info(type(blog_posts_list))
 221                 pagination = Pagination(page, blog_posts_list)
 222                 pagination.per_page = 15
 223                 blog_posts_on_a_page = pagination()
 224
 225                 if may_edit_blogpost(request, blog):
 226                         return render_to_response(
 227                         request,
 228                         'mediagoblin/blog/blog_admin_dashboard.html',
 229                         {'blog_posts_list': blog_posts_on_a_page,
 230                         'blog_slug':blog_slug,
 231                         'blog':blog,
 232                         'pagination':pagination
 233                         })
 234                 else:
 235                         return render_403(request)
 236         else:
 237                 blogs = request.db.Blog.query.filter_by(author=user.id)
 238                 _log.info(blogs.count())
 239                 return render_to_response(
 240                 request,
 241                 'mediagoblin/blog/list_of_blogs.html',
 242                 {
 243                 'blogs':blogs,
 244                 'url_user':url_user
 245                 })
 246
 247
 248
 249 #supposed to list all the blog posts belonging to a particular blog of particular user.
 250 @uses_pagination
 251 def blog_post_listing(request, page):
 252
 253     blog_owner = request.matchdict.get('user')
 254     blog_slug = request.matchdict.get('blog_slug', None)
 255     owner_user = User.query.filter_by(username=blog_owner).one()
 256     blog = request.db.Blog.query.filter_by(slug=blog_slug).first()
 257
 258     if not owner_user or not blog:
 259         return render_404(request)
 260
 261     all_blog_posts = blog.get_all_blog_posts(u'processed').order_by(MediaEntry.created.desc())
 262     pagination = Pagination(page, all_blog_posts)
 263     pagination.per_page = 8
 264     blog_posts_on_a_page = pagination()
 265
 266     return render_to_response(
 267         request,
 268         'mediagoblin/blog/blog_post_listing.html',
 269         {'blog_posts': blog_posts_on_a_page,
 270          'pagination': pagination,
 271          'blog_owner': blog_owner
 272         })
 273
 274 @require_active_login
 275 def draft_view(request):
 276     blog_slug = request.matchdict.get('blog_slug', None)
 277     blog_post_slug = request.matchdict.get('blog_post_slug', None)
 278     user = request.matchdict.get('user')
 279
 280     blog = request.db.Blog.query.filter_by(author=request.user.id, slug=blog_slug).first()
 281     blogpost = request.db.MediaEntry.query.filter_by(state = u'failed', uploader=request.user.id, slug=blog_post_slug).first()
 282
 283     if not blog or not blogpost:
 284         return render_404(request)
 285
 286     return render_to_response(
 287         request,
 288         'mediagoblin/blog/blogpost_draft_view.html',
 289         {'blogpost':blogpost,
 290          'blog': blog
 291          })
 292