Track pagination

ref #205

src/controllers/TrackController.ts

@@ -1,6 +1,6 @@
 import { Authorized, Body, Delete, Get, JsonController, OnUndefined, Param, Post, Put, QueryParam } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
-import { getConnectionManager, Repository } from 'typeorm';
+import { Repository, getConnectionManager } from 'typeorm';
 import { TrackHasScanStationsError, TrackIdsNotMatchingError, TrackLapTimeCantBeNegativeError, TrackNotFoundError } from "../errors/TrackErrors";
 import { CreateTrack } from '../models/actions/create/CreateTrack';
 import { UpdateTrack } from '../models/actions/update/UpdateTrack';
@@ -25,9 +25,17 @@ export class TrackController {
 	@Authorized("TRACK:GET")
 	@ResponseSchema(ResponseTrack, { isArray: true })
 	@OpenAPI({ description: 'Lists all tracks.' })
-	async getAll() {
+	async getAll(@QueryParam("page", { required: false }) page: number, @QueryParam("page_size", { required: false }) page_size: number = 100) {
 		let responseTracks: ResponseTrack[] = new Array<ResponseTrack>();
-		const tracks = await this.trackRepository.find();
+		let tracks: Array<Track>;
+
+		if (page) {
+			tracks = await this.trackRepository.find({ skip: page * page_size, take: page_size });
+		}
+		else {
+			tracks = await this.trackRepository.find();
+		}
+
 		tracks.forEach(track => {
 			responseTracks.push(new ResponseTrack(track));
 		});