Create setVote.js

route/setVote.js

+const path = require('path'),
+    scriptName = path.basename(__filename).replace(/\.js$/i,'');
+
+/**
+ * @param {import('express').Express} app
+ * @param {import('mysql').Connection} sql
+ */
+module.exports = function(app, sql, tokenCheck, errorHandler) {
+    app.post('/'+scriptName, function(req, res) {
+        tokenCheck(req, res, sql, ()=>{
+            const mapId = req.query.map,
+                player = req.query.player,
+                vote = Number(req.query.vote);
+            if (!mapId) return errorHandler(res, 400, 'Missing map id');
+            if (!player) return errorHandler(res, 400, 'Missing player login');
+            if (!vote) return errorHandler(res, 400, 'Missing vote');
+            if (isNaN(vote)) return errorHandler(res, 400, 'Invalid vote');
+            if (vote < 0 || vote > 100) return errorHandler(res, 400, 'Vote must be between 0 and 100');
+
+            sql.query('SELECT * FROM votes WHERE map = ? AND player = ?', [mapId,player], (err, sqlRes)=>{
+                if (err) {
+                    console.log(err);
+                    errorHandler(res, 500, 'Internal server error');
+                } else {
+                    if (sqlRes.length === 0) { // Create a new vote for this player
+                        sql.query('INSERT INTO votes (map, player, vote, date) VALUES (?, ?, ?, ?)', [mapId, player, vote, new Date()], (err)=>{
+                            if (err) {
+                                console.error(err);
+                                errorHandler(res, 500, 'Internal server error');
+                            } else {
+                                res.json({
+                                    mapUid: mapId,
+                                    player: player,
+                                    vote: vote,
+                                    date: new Date(),
+                                    type: "new"
+                                });
+                            }
+                        });
+                    } else { // Update the vote for this player
+                        sql.query('UPDATE votes SET vote = ?, date = ? WHERE map = ? AND player = ?', [vote, new Date(), mapId, player], (err)=>{
+                            if (err) {
+                                console.error(err);
+                                errorHandler(res, 500, 'Internal server error');
+                            } else {
+                                res.json({
+                                    mapUid: mapId,
+                                    player: player,
+                                    vote: vote,
+                                    date: new Date(),
+                                    type: "update"
+                                });
+                            }
+                        });
+                    }
+                }
+            });
+        });
+    });
+};
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