Captured network error

Author: gnongsie

lib/apicontrollersbase.js

@@ -15,6 +15,7 @@ class APIOperationBase {
 
 		this._request = null;
 		this._response = null;
+		this._error = null;
 		this._endpoint = constants.endpoint.sandbox;
 
 		if (null == apiRequest)
@@ -38,6 +39,10 @@ class APIOperationBase {
 		return this._response;
 	}
 
+	getError() {
+		return this._error;
+	}
+
 	getResultcode() {
 		var resultcode = null;
 
@@ -107,6 +112,7 @@ class APIOperationBase {
 				logger.error("Undefined Response");
 			}
 		}).catch(error => {
+			obj._error = error;
 			logger.error(error);
 		});