moved some models added cron and websocket base class

backend/models/user_model.py

@@ -31,6 +31,18 @@ acquaintances = db.Table('acquaintances',
                          db.Column('acquaintance_id', db.Integer, db.ForeignKey('user.id'))
                          )
 
+user_favorite_recorders_table = db.Table('user_favorite_recorders',
+                                         db.Column('user_id', db.Integer,
+                                                   db.ForeignKey('user.id',
+                                                                 onupdate="CASCADE",
+                                                                 ondelete="CASCADE"),
+                                                   primary_key=True),
+                                         db.Column('recorder_id', db.Integer,
+                                                   db.ForeignKey('recorder.id',
+                                                                 onupdate="CASCADE",
+                                                                 ondelete="CASCADE"),
+                                                   primary_key=True))
+
 # This is the association table for the many-to-many relationship between
 # groups and members - this is, the memberships.
 user_group_table = db.Table('user_group',
@@ -97,6 +109,8 @@ class User(UserMixin, db.Model):
                                backref=db.backref('followers', lazy='dynamic'),
                                lazy='dynamic')
 
+    favorite_recorders = db.relationship('Recorder', secondary=user_favorite_recorders_table)
+
     def __init__(self, **kwargs):
         super(User, self).__init__(**kwargs)
         password = kwargs.get("password", None)