Deprecate API v2 (#7761)

* deprecate api-v2

* remove v2 test helpers

* remove unused string

website/server/libs/errors.js

@@ -0,0 +1,62 @@
+import common from '../../../common';
+
+export const CustomError = common.errors.CustomError;
+
+/**
+ * @apiDefine NotAuthorized
+ * @apiError NotAuthorized The client is not authorized to make this request.
+ *
+ * @apiErrorExample Error-Response:
+ *     HTTP/1.1 401 Unauthorized
+ *     {
+ *       "error": "NotAuthorized",
+ *       "message": "Not authorized."
+ *     }
+ */
+export const NotAuthorized = common.errors.NotAuthorized;
+
+/**
+ * @apiDefine BadRequest
+ * @apiError BadRequest The request wasn't formatted correctly.
+ *
+ * @apiErrorExample Error-Response:
+ *     HTTP/1.1 400 Bad Request
+ *     {
+ *       "error": "BadRequest",
+ *       "message": "Bad request."
+ *     }
+ */
+export const BadRequest = common.errors.BadRequest;
+
+/**
+ * @apiDefine NotFound
+ * @apiError NotFound The requested resource was not found.
+ *
+ * @apiErrorExample Error-Response:
+ *     HTTP/1.1 404 Not Found
+ *     {
+ *       "error": "NotFound",
+ *       "message": "Not found."
+ *     }
+ */
+export const NotFound = common.errors.NotFound;
+
+/**
+ * @apiDefine InternalServerError
+ * @apiError InternalServerError An unexpected error occurred.
+ *
+ * @apiErrorExample Error-Response:
+ *     HTTP/1.1 500 Internal Server Error
+ *     {
+ *       "error": "InternalServerError",
+ *       "message": "An unexpected error occurred."
+ *     }
+ */
+export class InternalServerError extends CustomError {
+  constructor (customMessage) {
+    super();
+    this.name = this.constructor.name;
+    this.httpCode = 500;
+    this.message = customMessage || 'An unexpected error occurred.';
+  }
+}