Blog media type initial migration.

[mediagoblin.git] / mediagoblin / media_types / blog / models.py

diff --git a/mediagoblin/media_types/blog/models.py b/mediagoblin/media_types/blog/models.py
index e5c93d007129adc88cb3a53456a8391c5c09e03d..0e1ddf974350f3f72ce724655a63a167b76a5f85 100644 (file)
--- a/mediagoblin/media_types/blog/models.py
+++ b/mediagoblin/media_types/blog/models.py
@@ -1,5 +1,5 @@
 # GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
+# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -17,35 +17,67 @@
 import datetime
 
 from mediagoblin.db.base import Base
-from mediagoblin.db.models import Collection, User
+from mediagoblin.db.base import Session
+from mediagoblin.db.models import Collection, User, MediaEntry
+from mediagoblin.db.mixin import GenerateSlugMixin
+
+from mediagoblin.media_types.blog.lib import check_blog_slug_used
+
+from mediagoblin.tools.text import cleaned_markdown_conversion
 
 from sqlalchemy import (
     Column, Integer, ForeignKey, Unicode, UnicodeText, DateTime)
 from sqlalchemy.orm import relationship, backref
 
-class Blog(Base):
-       __tablename__ = "core__blogs"
-       id = Column(Integer, primary_key=True)
-       title = Column(Unicode)
-       description = Column(UnicodeText)
-       author = Column(Integer, ForeignKey(User.id), nullable=False, index=True)
-       created = Column(DateTime, nullable=False, default=datetime.datetime.now,
-        index=True)
+
+class BlogMixin(GenerateSlugMixin):
+    def check_slug_used(self, slug):
+        return check_blog_slug_used(self.author, slug, self.id)
+
+
+class Blog(Base, BlogMixin):
+    __tablename__ = "mediatype__blogs"
+    id = Column(Integer, primary_key=True)
+    title = Column(Unicode)
+    description = Column(UnicodeText)
+    author = Column(Integer, ForeignKey(User.id), nullable=False, index=True) #similar to uploader
+    created = Column(DateTime, nullable=False, default=datetime.datetime.now, index=True)
+    slug = Column(Unicode)
+
+    @property
+    def slug_or_id(self):
+        return (self.slug or u'blog_{0}'.format(self.id))
+ 
+    def get_all_blog_posts(self, state=None):
+        blog_posts = Session.query(MediaEntry).join(BlogPostData)\
+        .filter(BlogPostData.blog == self.id)
+        if state is not None:
+            blog_posts = blog_posts.filter(MediaEntry.state==state)
+        return blog_posts
+    
+    def delete(self, **kwargs):
+        all_posts = self.get_all_blog_posts()
+        for post in all_posts:
+            post.delete(del_orphan_tags=False, commit=False)
+        from mediagoblin.db.util import clean_orphan_tags
+        clean_orphan_tags(commit=False)
+        super(Blog, self).delete(**kwargs)
+        
+        
     
     
 BACKREF_NAME = "blogpost__media_data"
 
-
-class BlogpostData(Base):
+class BlogPostData(Base):
     __tablename__ = "blogpost__mediadata"
 
     # The primary key *and* reference to the main media_entry
-    media_entry = Column(Integer, ForeignKey('core__media_entries.id'),
-        primary_key=True)
+    media_entry = Column(Integer, ForeignKey('core__media_entries.id'), primary_key=True)
+    blog = Column(Integer, ForeignKey('mediatype__blogs.id'), nullable=False)
     get_media_entry = relationship("MediaEntry",
         backref=backref(BACKREF_NAME, uselist=False,
                         cascade="all, delete-orphan"))
 
 
-DATA_MODEL = BlogpostData
-MODELS = [BlogpostData]
+DATA_MODEL = BlogPostData
+MODELS = [BlogPostData, Blog]