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consumerWebsite/utils/error.js

@@ -0,0 +1,13 @@
+class AppError extends Error {
+    constructor(msg, statusCode) {
+        super(msg);
+
+        this.statusCode = statusCode;
+        this.error = `${statusCode}`.startsWith('4') ? 'fail' : 'error';
+        this.isOperational = true;
+
+        Error.captureStackTrace(this, this.constructor);
+    }
+}
+
+module.exports = AppError;

consumerWebsite/utils/object_isEmpty.js

@@ -0,0 +1,8 @@
+//Checking that the request body is empty
+exports.isEmpty = function (obj) {
+    for(var prop in obj) {
+        if(obj.hasOwnProperty(prop))
+            return false;
+    }
+    return JSON.stringify(obj) === JSON.stringify({});
+}