Added custom errors

ref #4 #5

src/controllers/TrackController.ts

@@ -1,9 +1,10 @@
-import { JsonController, Param, Body, Get, Post, Put, Delete, NotFoundError, OnUndefined, NotAcceptableError } from 'routing-controllers';
+import { JsonController, Param, Body, Get, Post, Put, Delete, OnUndefined, NotAcceptableError } from 'routing-controllers';
 import { getConnectionManager, Repository } from 'typeorm';
 import { EntityFromBody } from 'typeorm-routing-controllers-extensions';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { Track } from '../models/Track';
 import { IsInt, IsNotEmpty, IsPositive, IsString } from 'class-validator';
+import {TrackIdChangeNotAllowedError, TrackNotFoundError} from "../errors/TrackErrors";
 
 class CreateTrack {
 	@IsString()
@@ -15,12 +16,6 @@ class CreateTrack {
 	length: number;
 }
 
-export class TrackNotFoundError extends NotFoundError {
-	constructor() {
-		super('Track not found!');
-	}
-}
-
 @JsonController('/tracks')
 export class TrackController {
 	private trackRepository: Repository<Track>;
@@ -41,6 +36,7 @@ export class TrackController {
 
 	@Get('/:id')
 	@ResponseSchema(Track)
+	@ResponseSchema(TrackNotFoundError, {statusCode: 404})
 	@OnUndefined(TrackNotFoundError)
 	@OpenAPI({description: "Returns a track of a specified id (if it exists)"})
 	getOne(@Param('id') id: number) {
@@ -59,6 +55,8 @@ export class TrackController {
 
 	@Put('/:id')
 	@ResponseSchema(Track)
+	@ResponseSchema(TrackNotFoundError, {statusCode: 404})
+	@ResponseSchema(TrackIdChangeNotAllowedError, {statusCode: 406})
 	@OpenAPI({description: "Update a track object (id can't be changed)."})
 	async put(@Param('id') id: number, @EntityFromBody() track: Track) {
 		let oldTrack = await this.trackRepository.findOne({ id: id });
@@ -68,7 +66,7 @@ export class TrackController {
 		}
 
 		if(oldTrack.id != track.id){
-			throw new NotAcceptableError("The id's don't match!");
+			throw new TrackIdChangeNotAllowedError();
 		}
 
 		await this.trackRepository.update(oldTrack, track);
@@ -77,6 +75,7 @@ export class TrackController {
 
 	@Delete('/:id')
 	@ResponseSchema(Track)
+	@ResponseSchema(TrackNotFoundError, {statusCode: 404})
 	@OpenAPI({description: "Delete a specified track (if it exists)."})
 	async remove(@Param('id') id: number) {
 		let track = await this.trackRepository.findOne({ id: id });

src/errors/TrackErrors.ts

@@ -0,0 +1,18 @@
+import { JsonController, Param, Body, Get, Post, Put, Delete, NotFoundError, OnUndefined, NotAcceptableError } from 'routing-controllers';
+import { IsInt, IsNotEmpty, IsPositive, IsString } from 'class-validator';
+
+export class TrackNotFoundError extends NotFoundError {
+	@IsString()
+	name = "TrackNotFoundError"
+
+	@IsString()
+	message = "Track not found!"
+}
+
+export class TrackIdChangeNotAllowedError extends NotAcceptableError {
+	@IsString()
+	name = "TrackIdChangeNotAllowed"
+
+	@IsString()
+	message = "The id's don't match!!"
+}