src/errors.ts

   1 export class HttpError extends Error {
   2         errorCode: number;
   3         statusCode: number;
   4         constructor(msg: string, statusCode: number, errorCode: number) {
   5                 super(msg);
   6                 this.statusCode = statusCode;
   7                 this.errorCode = errorCode;
   8         }
   9 }
  10
  11 export class NotFoundError extends HttpError {
  12         constructor(msg: string, errorCode: number) {
  13                 super(msg, 404, errorCode);
  14         }
  15 }
  16
  17 export class DuplicateContentError extends HttpError {
  18         constructor(msg: string, errorCode: number) {
  19                 super(msg, 409, errorCode);
  20         }
  21 }
  22
  23 export class BadInputError extends HttpError {
  24         constructor(msg: string, errorCode: number) {
  25                 super(msg, 400, errorCode);
  26         }
  27 }
  28
  29 export class InsufficientResourceError extends HttpError {
  30         constructor(resource: string, expected: number, available: number) {
  31                 super(
  32                         `Insufficent ${resource}. Expected: ${expected}, only ${available} available`,
  33                         400,
  34                         ERROR_CODE.INSUFFICIENT_RESOURCE
  35                 );
  36         }
  37 }
  38
  39 export const ERROR_CODE = {
  40         USER_NOT_FOUND: 1000,
  41         USER_ALREADY_EXISTS: 1001,
  42         USER_PASSWORD_INCORRECT: 1002,
  43         INVALID_USERNAME: 1003,
  44         INVALID_PASSWORD: 1004,
  45         INVALID_USER_TOKEN: 1005,
  46         USING_ANOTHER_USERS_TOKEN: 1006,
  47         NO_CITY: 2000,
  48         INSUFFICIENT_RESOURCE: 3000,
  49         INVALID_BUILDING: 4000,
  50   INVALID_AMOUNT: 6000,
  51         INVALID_UNIT: 5000,
  52         DUPLICATE_CACHE_KEY: 900,
  53 }