Implemented basic entities, routes, seed scripts

src/errors/customErrors.ts

@@ -0,0 +1,38 @@
+/* eslint-disable max-classes-per-file */
+
+type ErrorData = { [key: string]: any };
+
+export class CustomError extends Error {
+  constructor(
+    public message: string,
+    public code: string | number = 'INTERNAL_ERROR',
+    public status: number = 500,
+    public data: ErrorData = {},
+  ) {
+    super();
+  }
+}
+
+export class RouteNotFoundError extends CustomError {
+  constructor(originalUrl: string) {
+    super(`Route '${originalUrl}' does not exist.`, 'ROUTE_NOT_FOUND', 404);
+  }
+}
+
+export class EntityNotFoundError extends CustomError {
+  constructor(entityName: string) {
+    super(`${entityName} not found.`, 'ENTITY_NOT_FOUND', 404);
+  }
+}
+
+export class BadUserInputError extends CustomError {
+  constructor(errorData: ErrorData) {
+    super('There were validation errors.', 'BAD_USER_INPUT', 400, errorData);
+  }
+}
+
+export class InvalidTokenError extends CustomError {
+  constructor(message = 'Authentication token is invalid.') {
+    super(message, 'INVALID_TOKEN', 401);
+  }
+}