feat: add get username

Author: var-code-5

Backend/controllers/auth.js

@@ -184,4 +184,21 @@ export const patch_change_username = (req, res) => {
       res.status(200).json({message:"Username changed successfully"});
     }
   });
+}
+
+export const get_username = (req, res) => {
+  const id = req.body.id;
+
+  db.query("SELECT * FROM login WHERE id = $1;", [id], (err, result) => {
+    if (err) {
+      console.error(err);
+      res.status(500).json({message:"Server error"});
+      return;
+    } else if (result.rowCount === 0) {
+      res.status(404).json({message:"User not found"});
+      return;
+    } else {
+      res.status(200).json({username: result.rows[0].username, email: result.rows[0].email});
+    }
+  });
 }

Backend/routes/auth.js

@@ -16,5 +16,6 @@ router.post("/register", hashPassword,func.post_register);
 router.get("/token/:token",func.get_token);
 router.get("/validate", verify_token,func.get_verify);
 router.patch("/update_username", verify_token,func.patch_change_username);
+router.get("/userdetail", verify_token,func.get_username);
 
 export default router;