Add Notification model

app/models.py

@@ -341,6 +341,10 @@ class Job(db.Model):
                              cascade='save-update, merge, delete')
     results = db.relationship('JobResult', backref='job', lazy='dynamic',
                               cascade='save-update, merge, delete')
+    notifications_data = db.relationship('NotificationData',
+                                         backref='job',
+                                         lazy='dynamic',
+                                         cascade='save-update, merge, delete')
 
     def __repr__(self):
         """
@@ -384,6 +388,24 @@ class Job(db.Model):
                 'title': self.title}
 
 
+class NotificationData(db.Model):
+    """
+    Class to define notification data used for sending a notification mail with
+    nopaque_notify.
+    """
+    __tablename__ = 'notifications_data'
+    # Primary key
+    id = db.Column(db.Integer, primary_key=True)
+    # Foreign Key
+    job_id = db.Column(db.Integer, db.ForeignKey('jobs.id'))
+    # Fields
+    notified_on_submitted = db.Column(db.Boolean, default=False)
+    notified_on_queued = db.Column(db.Boolean, default=False)
+    notified_on_running = db.Column(db.Boolean, default=False)
+    notified_on_complete = db.Column(db.Boolean, default=False)
+    notified_on_canceling = db.Column(db.Boolean, default=False)
+
+
 class CorpusFile(db.Model):
     """
     Class to define Files.