Merge remote-tracking branch 'gsoc2016/Subtitle-1'
[mediagoblin.git] / mediagoblin / media_types / blog / views.py
index 55fe78c02f7c034b85d7ad1c72717e6712a4954a..288a47ae08451239447a76e7c20dcda0f066b6d2 100644 (file)
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
-
 _log = logging.getLogger(__name__)
 
 from datetime import datetime
 
+import six
+
 from werkzeug.exceptions import Forbidden
+from mediagoblin.tools import pluginapi
 
 from mediagoblin import mg_globals
 
 from mediagoblin.media_types.blog import forms as blog_forms
 from mediagoblin.media_types.blog.models import Blog, BlogPostData
-from mediagoblin.media_types.blog.lib import may_edit_blogpost
+from mediagoblin.media_types.blog.lib import (
+        may_edit_blogpost, set_blogpost_state, get_all_blogposts_of_blog,
+        get_blog_by_slug)
 
-from mediagoblin.messages import add_message, SUCCESS, ERROR
 from mediagoblin.decorators import (require_active_login, active_user_from_url,
                             get_media_entry_by_id, user_may_alter_collection,
-                            get_user_collection)
+                            get_user_collection, uses_pagination)
+from mediagoblin.tools.pagination import Pagination
 from mediagoblin.tools.response import (render_to_response,
-                                        redirect, redirect_obj, render_404)
+                                        redirect, render_404)
 from mediagoblin.tools.translate import pass_to_ugettext as _
 from mediagoblin.tools.template import render_template
 from mediagoblin.tools.text import (
-    convert_to_tag_list_of_dicts, media_tags_as_string, clean_html, 
+    convert_to_tag_list_of_dicts, media_tags_as_string, clean_html,
     cleaned_markdown_conversion)
-from mediagoblin.tools.url import slugify
 
 from mediagoblin.db.util import check_media_slug_used, check_collection_slug_used
-from mediagoblin.db.models import User, Collection, MediaEntry
+from mediagoblin.db.models import User, Collection, MediaEntry, LocalUser
 
 from mediagoblin.notifications import add_comment_subscription
 
@@ -50,15 +53,16 @@ from mediagoblin.notifications import add_comment_subscription
 @require_active_login
 def blog_edit(request):
     """
-    View for editing the existing blog or automatically
-    creating a new blog if user does not have any yet.
+    View for editing an existing blog or creating a new blog
+    if user have not exceeded maximum allowed acount of blogs.
     """
     url_user = request.matchdict.get('user', None)
     blog_slug = request.matchdict.get('blog_slug', None)
-    
-    max_blog_count = 1
+
+    config = pluginapi.get_config('mediagoblin.media_types.blog')
+    max_blog_count = config['max_blog_count']
     form = blog_forms.BlogEditForm(request.form)
-    # the blog doesn't exists yet
+    # creating a blog
     if not blog_slug:
         if Blog.query.filter_by(author=request.user.id).count()<max_blog_count:
             if request.method=='GET':
@@ -71,34 +75,36 @@ def blog_edit(request):
 
             if request.method=='POST' and form.validate():
                 _log.info("Here")
-                blog = Blog()
-                blog.title = unicode(form.title.data)
-                blog.description = unicode(cleaned_markdown_conversion((form.description.data)))  #remember clean html data.
+                blog = request.db.Blog()
+                blog.title = six.text_type(form.title.data)
+                blog.description = six.text_type(cleaned_markdown_conversion((form.description.data)))
                 blog.author = request.user.id
                 blog.generate_slug()
-               
+
                 blog.save()
-                return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
-                        user=request.user.username,
-                        blog_slug=blog.slug)
+                return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
+                        user=request.user.username
+                       )
         else:
-            #the case when max blog count is one.
-            blog = request.db.Blog.query.filter_by(author=request.user.id).first()
-            add_message(request, ERROR, "Welcome! You already have created a blog.")
-            return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
-                        user=request.user.username,
-                        blog_slug=blog.slug)
+            messages.add_message(
+                request,
+                messages.ERROR,
+                "Welcome! You already have created maximum number of blogs.")
+            return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
+                        user=request.user.username)
 
 
     #Blog already exists.
     else:
-        blog = Blog.query.filter_by(slug=blog_slug).first()
+        blog = get_blog_by_slug(request, blog_slug)
+        if not blog:
+            return render_404(request)
         if request.method == 'GET':
             defaults = dict(
                 title = blog.title,
                 description = cleaned_markdown_conversion(blog.description),
-                author = request.user.id) 
-            
+                author = request.user.id)
+
             form = blog_forms.BlogEditForm(**defaults)
 
             return render_to_response(
@@ -109,55 +115,59 @@ def blog_edit(request):
                      'app_config': mg_globals.app_config})
         else:
             if request.method == 'POST' and form.validate():
-                blog.title = unicode(form.title.data)
-                blog.description = unicode(cleaned_markdown_conversion((form.description.data)))
+                blog.title = six.text_type(form.title.data)
+                blog.description = six.text_type(cleaned_markdown_conversion((form.description.data)))
                 blog.author = request.user.id
                 blog.generate_slug()
-                
+
                 blog.save()
-                add_message(request, SUCCESS, "Your blog is updated.")
+                messages.add_message(
+                    request,
+                    messages.SUCCESS,
+                    "Your blog is updated.")
                 return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
                         user=request.user.username,
-                        blog_slug=blog.slug)            
-            
-@require_active_login        
+                        blog_slug=blog.slug)
+
+
+@require_active_login
 def blogpost_create(request):
-    
 
     form = blog_forms.BlogPostEditForm(request.form, license=request.user.license_preference)
-    
+
     if request.method == 'POST' and form.validate():
-                  
         blog_slug = request.matchdict.get('blog_slug')
-        blog = request.db.Blog.query.filter_by(slug=blog_slug,
-            author=request.user.id).first()
-        
+        blog = get_blog_by_slug(request, blog_slug, author=request.user.id)
+        if not blog:
+            return render_404(request)
 
         blogpost = request.db.MediaEntry()
         blogpost.media_type = 'mediagoblin.media_types.blogpost'
-        blogpost.title = unicode(form.title.data)
-        blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
+        blogpost.title = six.text_type(form.title.data)
+        blogpost.description = six.text_type(cleaned_markdown_conversion((form.description.data)))
         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
-        blogpost.license = unicode(form.license.data) or None
-        blogpost.uploader = request.user.id
-        blogpost.state = u'processed'
-        
+        blogpost.license = six.text_type(form.license.data) or None
+        blogpost.actor = request.user.id
         blogpost.generate_slug()
-        
+
+        set_blogpost_state(request, blogpost)
         blogpost.save()
-        
+
         # connect this blogpost to its blog
         blog_post_data = request.db.BlogPostData()
         blog_post_data.blog = blog.id
         blog_post_data.media_entry = blogpost.id
         blog_post_data.save()
-    
-        add_message(request, SUCCESS, _('Woohoo! Submitted!'))
+
+        messages.add_message(
+            request,
+            messages.SUCCESS,
+            _('Woohoo! Submitted!'))
         add_comment_subscription(request.user, blogpost)
         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
                         user=request.user.username,
                         blog_slug=blog.slug)
-        
+
     return render_to_response(
         request,
         'mediagoblin/blog/blog_post_edit_create.html',
@@ -168,37 +178,40 @@ def blogpost_create(request):
 
 @require_active_login
 def blogpost_edit(request):
+
     blog_slug = request.matchdict.get('blog_slug', None)
     blog_post_slug = request.matchdict.get('blog_post_slug', None)
-   
-    blogpost = request.db.MediaEntry.query.filter_by(slug=blog_post_slug, uploader=request.user.id).first()
-    blog = request.db.Blog.query.filter_by(slug=blog_slug, author=request.user.id).first()
-    
+
+    blogpost = request.db.MediaEntry.query.filter_by(slug=blog_post_slug, actor=request.user.id).first()
+    blog = get_blog_by_slug(request, blog_slug, author=request.user.id)
+
     if not blogpost or not blog:
         return render_404(request)
-    
+
     defaults = dict(
                 title = blogpost.title,
                 description = cleaned_markdown_conversion(blogpost.description),
                 tags=media_tags_as_string(blogpost.tags),
                 license=blogpost.license)
-    
+
     form = blog_forms.BlogPostEditForm(request.form, **defaults)
     if request.method == 'POST' and form.validate():
-        
-        blogpost.title = unicode(form.title.data)
-        blogpost.description = unicode(cleaned_markdown_conversion((form.description.data)))
+        blogpost.title = six.text_type(form.title.data)
+        blogpost.description = six.text_type(cleaned_markdown_conversion((form.description.data)))
         blogpost.tags =  convert_to_tag_list_of_dicts(form.tags.data)
-        blogpost.license = unicode(form.license.data) 
-        
+        blogpost.license = six.text_type(form.license.data)
+        set_blogpost_state(request, blogpost)
         blogpost.generate_slug()
         blogpost.save()
-        
-        add_message(request, SUCCESS, _('Woohoo! edited blogpost is submitted'))
+
+        messages.add_message(
+            request,
+            messages.SUCCESS,
+            _('Woohoo! edited blogpost is submitted'))
         return redirect(request, "mediagoblin.media_types.blog.blog-dashboard",
                         user=request.user.username,
                         blog_slug=blog.slug)
-    
+
     return render_to_response(
         request,
         'mediagoblin/blog/blog_post_edit_create.html',
@@ -206,63 +219,176 @@ def blogpost_edit(request):
         'app_config': mg_globals.app_config,
         'user': request.user.username,
         'blog_post_slug': blog_post_slug
-        })    
+        })
 
-@require_active_login
-def blog_dashboard(request):
-    
-    url_user = request.matchdict.get('user')
-    blog_posts_list = []
-    blog_slug = request.matchdict.get('blog_slug')
-    _log.info(blog_slug)
 
-    blog = request.db.Blog.query.filter_by(slug=blog_slug).first()
-   
+@active_user_from_url
+@uses_pagination
+def blog_dashboard(request, page, url_user=None):
+    """
+    Dashboard for a blog, only accessible to
+    the owner of the blog.
+    """
+    blog_slug = request.matchdict.get('blog_slug', None)
+    blogs = request.db.Blog.query.filter_by(author=url_user.id)
+    config = pluginapi.get_config('mediagoblin.media_types.blog')
+    max_blog_count = config['max_blog_count']
+    if request.user and (request.user.id == url_user.id or request.user.has_privilege(u'admin')):
+        if blog_slug:
+            blog = get_blog_by_slug(request, blog_slug)
+            if not blog:
+                return render_404(request)
+            else:
+                blog_posts_list = blog.get_all_blog_posts().order_by(MediaEntry.created.desc())
+                pagination = Pagination(page, blog_posts_list)
+                pagination.per_page = 15
+                blog_posts_on_a_page = pagination()
+                if may_edit_blogpost(request, blog):
+                    return render_to_response(
+                        request,
+                        'mediagoblin/blog/blog_admin_dashboard.html',
+                        {'blog_posts_list': blog_posts_on_a_page,
+                        'blog_slug':blog_slug,
+                        'blog':blog,
+                        'user':url_user,
+                        'pagination':pagination
+                        })
+    if not request.user or request.user.id != url_user.id or not blog_slug:
+        blogs = blogs.all()
+        return render_to_response(
+        request,
+        'mediagoblin/blog/list_of_blogs.html',
+        {
+        'blogs':blogs,
+        'user':url_user,
+        'max_blog_count':max_blog_count
+        })
+
+
+@active_user_from_url
+@uses_pagination
+def blog_post_listing(request, page, url_user=None):
+    """
+    Page, listing all the blog posts of a particular blog.
+    """
+    blog_slug = request.matchdict['blog_slug']
+    blog = get_blog_by_slug(request, blog_slug, author=url_user.id)
     if not blog:
         return render_404(request)
-   
-    blog_post_data = request.db.BlogPostData.query.filter_by(blog=blog.id).all()
 
-    for each_blog_post_data in blog_post_data:
-        blog_post = each_blog_post_data.get_media_entry
-        if blog_post:
-            blog_posts_list.append(blog_post)
-    blog_posts_list.reverse()
-    blog_post_count = len(blog_posts_list)
+    all_blog_posts = blog.get_all_blog_posts(u'processed').order_by(MediaEntry.created.desc())
+    pagination = Pagination(page, all_blog_posts)
+    pagination.per_page = 8
+    blog_posts_on_a_page = pagination()
 
-    if may_edit_blogpost(request, blog):
-        return render_to_response(
-        request,
-        'mediagoblin/blog/blog_admin_dashboard.html',
-        {'blog_posts_list': blog_posts_list,
-        'blog_slug':blog_slug,
-        'blog':blog,
-        'blog_post_count':blog_post_count
-        })                                                            
-    
-#supposed to list all the blog posts not just belonging to a particular post.
-def blog_post_listing(request):
-    
-    blog_owner = request.matchdict.get('user')
-    owner_user = User.query.filter_by(username=blog_owner).one()
-    
-    if not owner_user:
-        return render_404(request)
-    
-    all_blog_posts = MediaEntry.query.filter_by(
-        uploader=owner_user.id, media_type='mediagoblin.media_types.blogpost',
-        state=u'processed').all()
-    all_blog_posts.reverse()
-    _log.info(len(all_blog_posts))
-    
     return render_to_response(
         request,
         'mediagoblin/blog/blog_post_listing.html',
-        {'blog_posts': all_blog_posts,
-         'blog_owner': blog_owner
+        {'blog_posts': blog_posts_on_a_page,
+         'pagination': pagination,
+         'blog_owner': url_user,
+         'blog':blog
         })
-    
-        
-    
-    
+
+
+@require_active_login
+def draft_view(request):
+    blog_slug = request.matchdict.get('blog_slug', None)
+    blog_post_slug = request.matchdict.get('blog_post_slug', None)
+    user = request.matchdict.get('user')
+    blog = get_blog_by_slug(request, blog_slug, author=request.user.id)
+    blogpost = request.db.MediaEntry.query.filter_by(state = u'failed', actor=request.user.id, slug=blog_post_slug).first()
+
+    if not blog or not blogpost:
+        return render_404(request)
+
+    return render_to_response(
+        request,
+        'mediagoblin/blog/blogpost_draft_view.html',
+        {'blogpost':blogpost,
+         'blog': blog
+         })
+
+
+@require_active_login
+def blog_delete(request, **kwargs):
+    """
+    Deletes a blog and media entries, tags associated with it.
+    """
+    url_user = request.matchdict.get('user')
+    owner_user = request.db.LocalUser.query.filter(
+        LocalUser.username==url_user
+    ).first()
+
+    blog_slug = request.matchdict.get('blog_slug', None)
+    blog = get_blog_by_slug(request, blog_slug, author=owner_user.id)
+    if not blog:
+        return render_404(request)
+
+    form = blog_forms.ConfirmDeleteForm(request.form)
+    if request.user.id == blog.author or request.user.has_privilege(u'admin'):
+        if request.method == 'POST' and form.validate():
+            if form.confirm.data is True:
+                blog.delete()
+                messages.add_message(
+                    request,
+                    messages.SUCCESS,
+                    _('You deleted the Blog.'))
+                return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
+                        user=request.user.username)
+            else:
+                messages.add_message(
+                    request,
+                    messages.ERROR,
+                    _("The media was not deleted because you didn't check "
+                      "that you were sure."))
+                return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
+                        user=request.user.username)
+        else:
+            if request.user.has_privilege(u'admin'):
+                messages.add_message(
+                    request,
+                    messages.WARNING,
+                    _("You are about to delete another user's Blog. "
+                      "Proceed with caution."))
+            return render_to_response(
+            request,
+            'mediagoblin/blog/blog_confirm_delete.html',
+            {'blog':blog,
+            'form':form
+            })
+    else:
+        messages.add_message(
+            request,
+            messages.ERROR,
+            _("The blog was not deleted because you have no rights."))
+        return redirect(request, "mediagoblin.media_types.blog.blog_admin_dashboard",
+        user=request.user.username)
+
+
+def blog_about_view(request):
+    """
+    Page containing blog description and statistics
+    """
+    blog_slug = request.matchdict.get('blog_slug', None)
+    url_user = request.matchdict.get('user', None)
+
+    user = request.db.LocalUser.query.filter(
+        LocalUser.username==url_user
+    ).first()
+
+    if user:
+        blog = get_blog_by_slug(request, blog_slug, author=user.id)
+
+    if not user or not blog:
+        return render_404(request)
+
+    else:
+        blog_posts_processed = blog.get_all_blog_posts(u'processed').count()
+        return render_to_response(
+                request,
+                'mediagoblin/blog/blog_about.html',
+                {'user': user,
+                'blog': blog,
+                'blogpost_count': blog_posts_processed
+                })