Create getPlayerVote.js

route/getPlayerVote.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, token, errorHandler) {
+    app.get('/'+scriptName, function(req, res) {
+        const mapId = req.query.map,
+            player = req.query.player;
+        if (!mapId) {
+            return errorHandler(res, 400, 'Missing map id');
+        }
+        if (!player) {
+            return errorHandler(res, 400, 'Missing player login');
+        }
+        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) {
+                    return errorHandler(res, 404, 'No vote found');
+                }
+                if (sqlRes[0].map == null) {
+                    return errorHandler(res, 404, 'Map not found');
+                }
+                if (sqlRes[0].player == null) {
+                    return errorHandler(res, 404, 'Player not found');
+                }
+
+                res.json({
+                    mapUid: sqlRes[0].map,
+                    playerLogin: sqlRes[0].player,
+                    vote: sqlRes[0].vote,
+                    date: sqlRes[0].date
+                });
+            }
+        });
+    });
+};
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