some changes to auth and group api

models/recorder_model.py

@@ -0,0 +1,78 @@
+# -*- coding: utf-8 -*-
+"""
+Models for lecture recorder
+"""
+import json
+
+from sqlalchemy import MetaData
+
+from backend import db, app, login_manager
+import re
+from sqlalchemy import or_
+from datetime import datetime, timedelta
+
+
+metadata = MetaData()
+
+# This is the association table for the many-to-many relationship between
+# groups and permissions.
+recorder_recorder_command_table = db.Table('recorder_recorder_command',
+                           db.Column('recorder_id', db.Integer,
+                                  db.ForeignKey('recorder.id',
+                                             onupdate="CASCADE",
+                                             ondelete="CASCADE"),
+                                  primary_key=True),
+                           db.Column('recorder_command_id', db.Integer,
+                                  db.ForeignKey('recorder_command.id',
+                                             onupdate="CASCADE",
+                                             ondelete="CASCADE"),
+                                  primary_key=True))
+
+
+class Recorder(db.Model):
+    id = db.Column(db.Integer, autoincrement=True, primary_key=True)
+    created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow())
+    name = db.Column(db.Unicode(63), unique=True, nullable=False)
+    description = db.Column(db.Unicode(255), unique=False, nullable=True, default="")
+    room = db.relationship('Room', uselist=False, back_populates='recorder')  # one-to-one relation (uselist=False)
+    recorder_commands = db.relationship('RecorderCommand', secondary=recorder_recorder_command_table, back_populates='recorders')
+
+    def __init__(self, **kwargs):
+        super(Recorder, self).__init__(**kwargs)
+
+
+    @staticmethod
+    def get_by_name(name):
+        """
+        Find group by name
+        :param name:
+        :return:
+        """
+        return Recorder.query.filter(Recorder.name == name).first()
+
+    @staticmethod
+    def get_all():
+        """
+        Return all groups
+        :return:
+        """
+        return Group.query.all()
+
+    def __str__(self):
+        return self.name
+
+    def to_dict(self):
+        return dict(id=self.id, name=self.name)
+
+    def toJSON(self):
+        return json.dumps(self.to_dict(), default=lambda o: o.__dict__,
+                          sort_keys=True, indent=4)
+
+
+class RecorderCommand(db.Model):
+    """Table containing permissions associated with groups."""
+    id = db.Column(db.Integer, autoincrement=True, primary_key=True)
+    name = db.Column(db.Unicode(63), unique=True, nullable=False)
+    description = db.Column(db.Unicode(511))
+    recorders = db.relationship(Recorder, secondary=recorder_recorder_command_table,
+                  back_populates='recorder_commands')