Add basic flow for ProductOrder

ucloud-pay.py

@@ -215,9 +215,36 @@ class UserRegisterPayment(Resource):
             return {"message": "Missing or wrong parameters"}, 400
 
 
+class ProductOrder(Resource):
+    @staticmethod
+    def post():
+        data = request.json
+        try:
+            otp_response = check_otp(data["name"], data["realm"],
+                                     data["token"])
+            if otp_response != 200:
+                return {"message": "Wrong Credentials"}, 403
+
+        # Validate the given product is ok
+
+        # Check the user has a payment source added
+
+        # Initiate a one-time/subscription based on product type
+
+        # If charge successful, create an order object
+
+        # Else handle unsuccessful cases with grace
+
+        except KeyError as key_error:
+            logging.error("Key error occurred")
+            logging.error(str(key_error))
+            return {"message": "Missing or wrong parameters"}, 400
+
 api.add_resource(ListProducts, "/product/list")
 api.add_resource(AddProduct, "/product/add")
+api.add_resource(ProductOrder, "/product/order")
 api.add_resource(UserRegisterPayment, "/user/register_payment")
 
+
 if __name__ == '__main__':
     app.run(host="::", port=APP_PORT, debug=True)