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 from mediagoblin.tools import pluginapi
  24
  25 from mediagoblin import mg_globals
  26
  27 from mediagoblin.media_types.blog import forms as blog_forms
  28 from mediagoblin.media_types.blog.models import Blog, BlogPostData
  29 from mediagoblin.media_types.blog.lib import may_edit_blogpost, set_blogpost_state, get_all_blogposts_of_blog
  30
  31 from mediagoblin.messages import add_message, SUCCESS, ERROR
  32 from mediagoblin.decorators import (require_active_login, active_user_from_url,
  33                             get_media_entry_by_id, user_may_alter_collection,
  34                             get_user_collection, uses_pagination)
  35 from mediagoblin.tools.pagination import Pagination
  36 from mediagoblin.tools.response import (render_to_response,
  37                                         redirect, render_404)
  38 from mediagoblin.tools.translate import pass_to_ugettext as _
  39 from mediagoblin.tools.template import render_template
  40 from mediagoblin.tools.text import (
  41     convert_to_tag_list_of_dicts, media_tags_as_string, clean_html,
  42     cleaned_markdown_conversion)
  43
  44 from mediagoblin.db.util import check_media_slug_used, check_collection_slug_used
  45 from mediagoblin.db.models import User, Collection, MediaEntry
  46
  47 from mediagoblin.notifications import add_comment_subscription
  48
  49
  50 @require_active_login
  51 def blog_edit(request):
  52     """
  53     View for editing the existing blog or automatically
  54     creating a new blog if user does not have any yet.
  55     """
  56     url_user = request.matchdict.get('user', None)
  57     blog_slug = request.matchdict.get('blog_slug', None)
  58
  59     config = pluginapi.get_config('mediagoblin.media_types.blog')
  60     max_blog_count = config['max_blog_count']
  61     form = blog_forms.BlogEditForm(request.form)
  62     # the blog doesn't exists yet
  63     if not blog_slug:
  64         if Blog.query.filter_by(author=request.user.id).count()<max_blog_count:
  65             if request.method=='GET':
  66                 return render_to_response(
  67                     request,
  68                     'mediagoblin/blog/blog_edit_create.html',
  69                     {'form': form,
  70                     'user' : request.user,
  71                     'app_config': mg_globals.app_config})
  72
  73             if request.method=='POST' and form.validate():
  74                 _log.info("Here")
  75                 blog = request.db.Blog()
  76                 blog.title = unicode(form.title.data)
  77                 blog.description = unicode(cleaned_markdown_conversion((form.description.data)))
  78                 blog.author = request.user.id
  79                 blog.generate_slug()
  80
  81                 blog.save()
  82                 return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
  83                         user=request.user.username
  84                        )
  85         else:
  86             #the case when max blog count is one.
  87             add_message(request, ERROR, "Welcome! You already have created a blog.")
  88             return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
  89                         user=request.user.username)
  90
  91
  92     #Blog already exists.
  93     else:
  94         blog = request.db.Blog.query.filter_by(slug=blog_slug).first()
  95         if request.method == 'GET':
  96             defaults = dict(
  97                 title = blog.title,
  98                 description = cleaned_markdown_conversion(blog.description),
  99                 author = request.user.id)
 100
 101             form = blog_forms.BlogEditForm(**defaults)
 102
 103             return render_to_response(
 104                     request,
 105                     'mediagoblin/blog/blog_edit_create.html',
 106                     {'form': form,
 107                      'user': request.user,
 108                      'app_config': mg_globals.app_config})
 109         else:
 110             if request.method == 'POST' and form.validate():
 111                 blog.title = unicode(form.title.data)
 112                 blog.description = unicode(cleaned_markdown_conversion((form.description.data)))
 113                 blog.author = request.user.id
 114                 blog.generate_slug()
 115
 116                 blog.save()
 117                 add_message(request, SUCCESS, "Your blog is updated.")
 118                 return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 119                         user=request.user.username,
 120                         blog_slug=blog.slug)
 121
 122
 123 @require_active_login
 124 def blogpost_create(request):
 125
 126     form = blog_forms.BlogPostEditForm(request.form, license=request.user.license_preference)
 127
 128     if request.method == 'POST' and form.validate():
 129         blog_slug = request.matchdict.get('blog_slug')
 130         blog = request.db.Blog.query.filter_by(slug=blog_slug,
 131             author=request.user.id).first()
 132         if not blog:
 133             return render_404(request)
 134
 135         blogpost = request.db.MediaEntry()
 136         blogpost.media_type = 'mediagoblin.media_types.blogpost'
 137         blogpost.title = unicode(form.title.data)
 138         blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
 139         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
 140         blogpost.license = unicode(form.license.data) or None
 141         blogpost.uploader = request.user.id
 142         blogpost.generate_slug()
 143
 144         set_blogpost_state(request, blogpost)
 145         blogpost.save()
 146
 147         # connect this blogpost to its blog
 148         blog_post_data = request.db.BlogPostData()
 149         blog_post_data.blog = blog.id
 150         blog_post_data.media_entry = blogpost.id
 151         blog_post_data.save()
 152
 153         add_message(request, SUCCESS, _('Woohoo! Submitted!'))
 154         add_comment_subscription(request.user, blogpost)
 155         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 156                         user=request.user.username,
 157                         blog_slug=blog.slug)
 158
 159     return render_to_response(
 160         request,
 161         'mediagoblin/blog/blog_post_edit_create.html',
 162         {'form': form,
 163         'app_config': mg_globals.app_config,
 164         'user': request.user.username})
 165
 166
 167 @require_active_login
 168 def blogpost_edit(request):
 169     blog_slug = request.matchdict.get('blog_slug', None)
 170     blog_post_slug = request.matchdict.get('blog_post_slug', None)
 171
 172     blogpost = request.db.MediaEntry.query.filter_by(slug=blog_post_slug, uploader=request.user.id).first()
 173     blog = request.db.Blog.query.filter_by(slug=blog_slug, author=request.user.id).first()
 174
 175     if not blogpost or not blog:
 176         return render_404(request)
 177
 178     defaults = dict(
 179                 title = blogpost.title,
 180                 description = cleaned_markdown_conversion(blogpost.description),
 181                 tags=media_tags_as_string(blogpost.tags),
 182                 license=blogpost.license)
 183
 184     form = blog_forms.BlogPostEditForm(request.form, **defaults)
 185     if request.method == 'POST' and form.validate():
 186         blogpost.title = unicode(form.title.data)
 187         blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
 188         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
 189         blogpost.license = unicode(form.license.data)
 190         set_blogpost_state(request, blogpost)
 191         blogpost.generate_slug()
 192         blogpost.save()
 193
 194         add_message(request, SUCCESS, _('Woohoo! edited blogpost is submitted'))
 195         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
 196                         user=request.user.username,
 197                         blog_slug=blog.slug)
 198
 199     return render_to_response(
 200         request,
 201         'mediagoblin/blog/blog_post_edit_create.html',
 202         {'form': form,
 203         'app_config': mg_globals.app_config,
 204         'user': request.user.username,
 205         'blog_post_slug': blog_post_slug
 206         })
 207
 208
 209 @uses_pagination
 210 def blog_dashboard(request, page):
 211
 212     url_user = request.matchdict.get('user')
 213     user = request.db.User.query.filter_by(username=url_user).one()
 214     blog_slug = request.matchdict.get('blog_slug', None)
 215     blogs = request.db.Blog.query.filter_by(author=user.id)
 216     config = pluginapi.get_config('mediagoblin.media_types.blog')
 217     max_blog_count = config['max_blog_count']
 218     if (request.user and request.user.id == user.id) or (request.user and request.user.is_admin):
 219         if blog_slug:
 220             blog = blogs.filter(Blog.slug==blog_slug).first()
 221             if not blog:
 222                 return render_404(request)
 223             else:
 224                 blog_posts_list = blog.get_all_blog_posts().order_by(MediaEntry.created.desc())
 225                 pagination = Pagination(page, blog_posts_list)
 226                 pagination.per_page = 15
 227                 blog_posts_on_a_page = pagination()
 228                 if may_edit_blogpost(request, blog):
 229                     return render_to_response(
 230                         request,
 231                         'mediagoblin/blog/blog_admin_dashboard.html',
 232                         {'blog_posts_list': blog_posts_on_a_page,
 233                         'blog_slug':blog_slug,
 234                         'blog':blog,
 235                         'user':user,
 236                         'pagination':pagination
 237                         })
 238     if not request.user or request.user.id != user.id or not blog_slug:
 239         blogs = blogs.all()
 240         return render_to_response(
 241         request,
 242         'mediagoblin/blog/list_of_blogs.html',
 243         {
 244         'blogs':blogs,
 245         'user':user,
 246         'max_blog_count':max_blog_count
 247         })
 248
 249
 250
 251 #supposed to list all the blog posts belonging to a particular blog of particular user.
 252 @uses_pagination
 253 def blog_post_listing(request, page):
 254
 255     blog_owner = request.matchdict.get('user')
 256     blog_slug = request.matchdict.get('blog_slug', None)
 257     owner_user = User.query.filter_by(username=blog_owner).one()
 258     blog = request.db.Blog.query.filter_by(slug=blog_slug).first()
 259
 260     if not owner_user or not blog:
 261         return render_404(request)
 262
 263     all_blog_posts = blog.get_all_blog_posts(u'processed').order_by(MediaEntry.created.desc())
 264     pagination = Pagination(page, all_blog_posts)
 265     pagination.per_page = 8
 266     blog_posts_on_a_page = pagination()
 267
 268     return render_to_response(
 269         request,
 270         'mediagoblin/blog/blog_post_listing.html',
 271         {'blog_posts': blog_posts_on_a_page,
 272          'pagination': pagination,
 273          'blog_owner': blog_owner,
 274          'blog':blog
 275         })
 276
 277 @require_active_login
 278 def draft_view(request):
 279     blog_slug = request.matchdict.get('blog_slug', None)
 280     blog_post_slug = request.matchdict.get('blog_post_slug', None)
 281     user = request.matchdict.get('user')
 282
 283     blog = request.db.Blog.query.filter_by(author=request.user.id, slug=blog_slug).first()
 284     blogpost = request.db.MediaEntry.query.filter_by(state = u'failed', uploader=request.user.id, slug=blog_post_slug).first()
 285
 286     if not blog or not blogpost:
 287         return render_404(request)
 288
 289     return render_to_response(
 290         request,
 291         'mediagoblin/blog/blogpost_draft_view.html',
 292         {'blogpost':blogpost,
 293          'blog': blog
 294          })
 295
 296 @require_active_login
 297 def blog_delete(request, **kwargs):
 298     url_user = request.matchdict.get('user')
 299     owner_user = request.db.User.query.filter_by(username=url_user).first()
 300
 301     blog_slug = request.matchdict.get('blog_slug', None)
 302     blog = request.db.Blog.query.filter_by(slug=blog_slug, author=owner_user.id).first()
 303     if not blog:
 304         return render_404(reequest)
 305
 306     form = blog_forms.ConfirmDeleteForm(request.form)
 307     if request.user.id == blog.author or request.user.is_admin:
 308         if request.method == 'POST' and form.validate():
 309             if form.confirm.data is True:
 310                 blog.delete()
 311                 add_message(
 312                 request, SUCCESS, _('You deleted the Blog.'))
 313                 return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
 314                         user=request.user.username)
 315             else:
 316                 add_message(
 317                 request, ERROR,
 318                 _("The media was not deleted because you didn't check that you were sure."))
 319                 return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
 320                         user=request.user.username)
 321         else:
 322             if request.user.is_admin:
 323                 add_message(
 324                     request, WARNING,
 325                     _("You are about to delete another user's Blog. "
 326                       "Proceed with caution."))
 327             return render_to_response(
 328             request,
 329             'mediagoblin/blog/blog_confirm_delete.html',
 330             {'blog':blog,
 331             'form':form
 332             })
 333     else:
 334         add_message(
 335         request, ERROR,
 336         _("The blog was not deleted because you have no rights."))
 337         return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
 338         user=request.user.username)
 339
 340 def blog_about_view(request):
 341     blog_slug = request.matchdict.get('blog_slug', None)
 342     url_user = request.matchdict.get('user', None)
 343
 344     user = request.db.User.query.filter_by(username=url_user).first()
 345     blog = request.db.Blog.query.filter_by(author=user.id, slug=blog_slug).first()
 346
 347     if not user or not blog:
 348         return render_404(request)
 349
 350     else:
 351         blog_posts_processed = blog.get_all_blog_posts(u'processed').count()
 352         return render_to_response(
 353                 request,
 354                 'mediagoblin/blog/blog_about.html',
 355                 {'user': user,
 356                 'blog': blog,
 357                 'blogpost_count': blog_posts_processed
 358                 })
 359
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