added urlified title in title_url

cao_blogr/models/blog_record.py

@@ -7,7 +7,10 @@ from sqlalchemy import (
     UnicodeText, #<- will provide Unicode text field
     DateTime,    #<- time abstraction field
     Index,
+    ForeignKey,
 )
+from sqlalchemy.orm import relationship
+
 from webhelpers2.text import urlify #<- will generate slugs
 from webhelpers2.date import distance_of_time_in_words #<- human friendly dates
 
@@ -16,13 +19,16 @@ class BlogRecord(Base):
     __tablename__ = 'entries'
     id = Column(Integer, primary_key=True)
     title = Column(Unicode(255), unique=True, nullable=False)
+    title_url = Column(Unicode(255))
     body = Column(UnicodeText, default='')
     body_html = Column(UnicodeText, default='')
-    tag = Column(Unicode(25), index=True)
-    topic = Column(Unicode(25), index=True)
     created = Column(DateTime, default=datetime.datetime.utcnow)
     edited = Column(DateTime, default=datetime.datetime.utcnow)
 
+    topic_id = Column(ForeignKey('topics.topic'), nullable=False)
+    topic = relationship('Topics', backref='topic_pages')
+    tag = Column(Unicode(25))
+
     @property
     def slug(self):
         return urlify(self.title)
@@ -37,7 +43,6 @@ class Topics(Base):
     topic = Column(Unicode(25), primary_key=True)
     topic_name = Column(Unicode(25), nullable=False)
 
-
 class Tags(Base):
     __tablename__ = 'tags'
     id = Column(Integer, primary_key=True)