Add Job model.

app/models.py

@@ -204,6 +204,32 @@ class AnonymousUser(AnonymousUserMixin):
         return False
 
 
+class Job():
+    """
+    Class to define Jobs.
+    """
+    __tablename__ = 'jobs'
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(32))
+    description = db.Column(db.String(64))
+    service = db.Column(db.String(64), index=True)
+    user_id = db.Column(db.Integer, db.ForeignKey('users.id'), index=True)
+    requested_cpus = db.Column(db.Integer, default=None)
+    requested_memory = db.Column(db.Integer, default=None)
+    service_args = db.Column(db.String(255))  # JSON string representation {'lang': new_ocr_job_form.language.data, 'version': new_ocr_job_form.version. }
+    status = db.Column(db.String(64))
+    cmd_args = db.Column(db.String(255))  # For extra cmd arguments
+
+    def __init__(self, **kwargs):
+        super(Job, self).__init__(**kwargs)
+
+    def __repr__(self):
+        """
+        String representation of the Job. For human readability.
+        """
+        return '<Job %r>' % self.title
+
+
 login_manager.anonymous_user = AnonymousUser  # Flask-Login is told to use the application’s custom anonymous user by setting its class in the login_manager.anonymous_user attribute.