Initial refactor (routes and utils to respective folders)

src/routes/getUsername.js

@@ -0,0 +1,36 @@
+var db = require('../databases/databases.js').db;
+
+var getHash = require('../utils/getHash.js');
+
+module.exports = function getUsername (req, res) {
+    let userID = req.query.userID;
+
+    if (userID == undefined) {
+        //invalid request
+        res.sendStatus(400);
+        return;
+    }
+
+    //hash the userID
+    userID = getHash(userID);
+
+    try {
+        let row = db.prepare("SELECT userName FROM userNames WHERE userID = ?").get(userID);
+
+        if (row !== undefined) {
+            res.send({
+                userName: row.userName
+            });
+        } else {
+            //no username yet, just send back the userID
+            res.send({
+                userName: userID
+            });
+        }
+    } catch (err) {
+        console.log(err);
+        res.sendStatus(500);
+
+        return;
+    }
+}