added node backend

backend/routers/getUser.js

@@ -0,0 +1,42 @@
+import express from "express";
+import connection from "../db.js";
+
+const router = express.Router();
+
+router.get("/getUser", async (req, res) => {
+  const userId = req.query.userid;
+  let results, fields;
+  try {
+    [results, fields] = await connection.query(
+      "SELECT p.name,t.time,t.project \
+    FROM Timelog t \
+    INNER JOIN Project p ON p.id=t.project \
+    INNER JOIN User u ON u.id=t.user \
+    WHERE USER = ? ;",
+      [userId],
+    );
+  } catch (err) {
+    console.log(err);
+    res.status(400).json("ERROR");
+  }
+  let projects = {};
+  let projectIdtoName = {};
+  for (let i = 0; i < results.length; i++) {
+    if (results[i].project in projects) {
+      projects[results[i].project] += results[i].time;
+    } else {
+      projects[results[i].project] = results[i].time;
+      projectIdtoName[results[i].project] = results[i].name;
+    }
+  }
+  // map projectIds to project names before sending the data
+  let respData = {};
+  for (let key in projects) {
+    if (projects.hasOwnProperty(key)) {
+      respData[projectIdtoName[key]] = projects[key];
+    }
+  }
+  res.json(respData);
+});
+
+export default router;