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backend pagination done

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This commit is contained in:
j-weissen 2023-01-20 13:20:51 +01:00
parent e8079f760a
commit fd235b56c6
6 changed files with 55 additions and 16 deletions
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37
backend/api/src/leaderboardRoute.ts
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@ -1,4 +1,5 @@
import express from 'express';
import {query, validationResult} from 'express-validator';
import {TimeLeaderboardRepository} from "./repositories/TimeLeaderboardRepository.js";
import {TimeLeaderboardPgPromiseRepository} from "./repositories/pgPromise/TimeLeaderboardPgPromiseRepository.js";
import {HighscoreLeaderboardPgPromiseRepository} from "./repositories/pgPromise/HighscoreLeaderboardPgPromiseRepository.js";
@ -8,6 +9,9 @@ import {HighscoreLeaderboard, TimeLeaderboard} from "./model/Leaderboard.js";
export const leaderboardRoute = express.Router()
leaderboardRoute.get('/highscore',
query('pagination').toBoolean(),
query('entriesPerPage').optional().isInt({min: 1}).toInt(),
query('page').optional().isInt({min: 0}).toInt(),
/**
* Returns the highscore leaderboard as JSON response, fetched from DB
* @param req
@ -15,8 +19,21 @@ leaderboardRoute.get('/highscore',
*/
async (req, res) => {
try {
//region validate parameters
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ errors: errors.array() });
}
//endregion
const highscoreLeaderboardRepo: HighscoreLeaderboardRepository = new HighscoreLeaderboardPgPromiseRepository;
const highscoreLeaderboard: HighscoreLeaderboard = await highscoreLeaderboardRepo.getAll();
let highscoreLeaderboard: HighscoreLeaderboard;
if (req.query.pagination) {
const entriesPerPage = req.query.entriesPerPage;
const page = req.query.page;
highscoreLeaderboard = await highscoreLeaderboardRepo.getPage(entriesPerPage, page);
} else {
highscoreLeaderboard = await highscoreLeaderboardRepo.getAll();
}
res.send(highscoreLeaderboard);
} catch (error) {
// handle errors
@ -26,6 +43,9 @@ leaderboardRoute.get('/highscore',
})
leaderboardRoute.get('/totalplaytime',
query('pagination').toBoolean(),
query('entriesPerPage').optional().isInt({min: 1}).toInt(),
query('page').optional().isInt({min: 0}).toInt(),
/**
* Returns the total playtime leaderboard as JSON response, fetched from DB
* @param req
@ -33,8 +53,21 @@ leaderboardRoute.get('/totalplaytime',
*/
async (req, res) => {
try {
//region validate parameters
const errors = validationResult(req);
if (!errors.isEmpty()) {
return res.status(400).json({ errors: errors.array() });
}
//endregion
const timeLeaderboardRepo: TimeLeaderboardRepository = new TimeLeaderboardPgPromiseRepository;
const timeLeaderboard: TimeLeaderboard = await timeLeaderboardRepo.getAll();
let timeLeaderboard: TimeLeaderboard;
if (req.query.pagination) {
const entriesPerPage = req.query.entriesPerPage;
const page = req.query.page;
timeLeaderboard = await timeLeaderboardRepo.getPage(entriesPerPage, page);
} else {
timeLeaderboard = await timeLeaderboardRepo.getAll();
}
res.send(timeLeaderboard);
} catch (error) {
// handle errors