Added cancel charge method

lib/ApiResource.js

@@ -125,6 +125,12 @@ var mapCrudToMethods = {
 			method: require('./Methods/DeleteMethod'),
 			static: false
 		}
+	],
+	cancel: [
+		{
+			method: require('./Methods/CancelByIdMethod'),
+			static: true
+		},
 	]
 };
 

lib/Client.js

@@ -172,7 +172,7 @@ module.exports = (function (DEFAULT_API_KEY, DEFAULT_BASE_API_URL, DEFAULT_API_V
 				var options = generateReqOptions(fullUrl, {}, 'DELETE', headers);
 
 				makeRequest(options, callback);
-			}
+			},
 		};
 	}
 

lib/Methods/CancelByIdMethod.js

@@ -0,0 +1,41 @@
+'use strict';
+
+var Promise = require('promise'),
+	client = require('../Client'),
+	utils = require('../Utils');
+
+module.exports = {
+	cancelById: function (id, callback) {
+		var self = this;
+
+		return new Promise(function (resolve, reject) {
+
+			utils.validateCallback(callback);
+
+			if (!id) {
+				throw new Error(this.constructor.primaryKeyProp + ' is not set');
+			}
+
+			var clientObj = client.getInstance();
+			var path = self.resourcePath + '/' + id + '/cancel';
+
+			clientObj.postHttp(path, {},function (error) {
+				if (error) {
+					if (callback) {
+						callback(error);
+					}
+
+					return reject(error);
+				}
+
+				var resourceObj = new self();
+
+				if (callback) {
+					callback(null, resourceObj);
+				}
+
+				return resolve(resourceObj);
+			});
+		});
+	}
+};

lib/Resources/Charge.js

@@ -14,7 +14,7 @@ function Charge(data) {
 
 createResource(Charge, {
 	resourcePath: 'charges',
-	crudMethods: ['create', 'read']
+	crudMethods: ['create', 'read', 'cancel']
 });
 
 module.exports = Charge;