From 899e450edae6d85e01ef693dca70aab2e7a8eb28 Mon Sep 17 00:00:00 2001
From: Maciej Ziarkowski <maciej.ziarkowski@gmail.com>
Date: Wed, 29 Jan 2020 17:24:04 +0000
Subject: [PATCH] Add missing API error class exports/imports

---
 app/src/api/api.ts        |  1 +
 app/src/api/errors.ts     | 10 +++++-----
 app/src/api/parameters.ts |  4 ++++
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/app/src/api/api.ts b/app/src/api/api.ts
index cb6a95e9..79458ee5 100644
--- a/app/src/api/api.ts
+++ b/app/src/api/api.ts
@@ -2,6 +2,7 @@ import bodyParser from 'body-parser';
 import express from 'express';
 
 import * as editHistoryController from './controllers/editHistoryController';
+import { RequestParameterError, UserInputError } from './errors'; 
 import buildingsRouter from './routes/buildingsRouter';
 import extractsRouter from './routes/extractsRouter';
 import usersRouter from './routes/usersRouter';
diff --git a/app/src/api/errors.ts b/app/src/api/errors.ts
index 5d3eb475..e1d1bd35 100644
--- a/app/src/api/errors.ts
+++ b/app/src/api/errors.ts
@@ -5,13 +5,13 @@
  * https://stackoverflow.com/questions/41102060/typescript-extending-error-class
  */
 
-class UserInputError extends Error {
+export class UserInputError extends Error {
     constructor(message?: string) {
         super(message);
     }
 }
 
-class RequestParameterError extends UserInputError {
+export class RequestParameterError extends UserInputError {
     public paramName: string;
 
     constructor(message?: string) {
@@ -19,19 +19,19 @@ class RequestParameterError extends UserInputError {
     }
 }
 
-class ParamRequiredError extends RequestParameterError {
+export class ParamRequiredError extends RequestParameterError {
     constructor(message?: string) {
         super(message);
     }
 }
 
-class ParamOutOfBoundsError extends RequestParameterError {
+export class ParamOutOfBoundsError extends RequestParameterError {
     constructor(message?: string) {
         super(message);
     }
 }
 
-class ParamInvalidFormatError extends RequestParameterError {
+export class ParamInvalidFormatError extends RequestParameterError {
     constructor(message?: string) {
         super(message);
     }
diff --git a/app/src/api/parameters.ts b/app/src/api/parameters.ts
index 612eef82..0146dc97 100644
--- a/app/src/api/parameters.ts
+++ b/app/src/api/parameters.ts
@@ -1,5 +1,7 @@
 import { strictParseInt } from '../parse';
 
+import { ParamInvalidFormatError, ParamRequiredError, RequestParameterError } from './errors';
+
 
 export function processParam<T>(params: object, paramName: string, processingFn: (x: string) => T, required: boolean = false) {
     const stringValue = params[paramName];
@@ -37,4 +39,6 @@ export function checkRegexParam(param: string, regex: RegExp): string {
     if(param.match(regex) == undefined) {
         throw new ParamInvalidFormatError(`Invalid format: does not match regular expression ${regex}`);
     }
+    
+    return param;
 }