Added game creation and deletion

src/games.js

@@ -0,0 +1,113 @@
+import { Collection, Db, ObjectId } from 'mongodb';
+import { checkStringProp } from './util.js';
+
+/**
+ * @type {Collection}
+ */
+let games;
+
+/**
+ *
+ * @param {*} app
+ * @param {Db} db
+ */
+export function initGames(app, db) {
+    games = db.collection('games');
+    app.get('/game', fetchGame);
+    app.post('/game', createGame);
+    app.delete('/game/:gameid', deleteGame);
+    app.get('/games', fetchGames);
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function createGame(req, res) {
+    if (!checkStringProp(req.body, 'name')) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const name = req.body.name;
+
+    games
+        .insertOne({
+            name,
+            walls: [],
+            owner: req.user._id,
+        })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchGames(req, res) {
+    let list = games.find({
+        owner: req.user._id,
+    });
+
+    res.status(200).send(await list.toArray());
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function fetchGame(req, res) {
+    if (req.query.id === undefined || req.query.id.length <= 0) {
+        res.sendStatus(400);
+        return;
+    }
+
+    const id = new ObjectId(req.query.id);
+
+    let game = await games.findOne({
+        _id: id,
+        owner: req.user._id,
+    });
+
+    if (game) {
+        res.status(200).send(game);
+    } else {
+        res.sendStatus(404);
+    }
+}
+
+/**
+ *
+ * @param {import('express').Request} req
+ * @param {import('express').Response} res
+ */
+async function deleteGame(req, res) {
+    let game = await games.findOne({
+        owner: req.user._id,
+        _id: new ObjectId(req.params.gameid),
+    });
+
+    if (!game) {
+        res.sendStatus(404);
+        return;
+    }
+
+    games
+        .deleteOne({ _id: game._id })
+        .then(() => {
+            res.sendStatus(200);
+        })
+        .catch((err) => {
+            console.error(err);
+            res.sendStatus(500);
+        });
+}