Merge pull request #1 from MykhailoIvchenko/develop

Add PUT /users/:id update endpoint

Author: MykhailoIvchenko

NOTES.md

@@ -0,0 +1,11 @@
+What was in the plan you approved, and did you edit anything before approving?
+The plan contained info about existing functions, their usage, files that should be changed. I haven't edited anything.
+
+Which model did you choose, and why?
+I chose the Sonnet model as it is not routine task but is not complex at the same time.
+
+How did you split your commits, and why that way?
+I asked claude to do this split
+
+What did your review catch — or confirm was already fine?
+Everything was already fine

db/store.js

@@ -24,4 +24,15 @@ function createUser({ name, email }) {
   return user;
 }
 
-module.exports = { getAllUsers, getUserById, createUser };
+function updateUser(id, { name, email }) {
+  const user = getUserById(id);
+  if (!user) {
+    return undefined;
+  }
+
+  user.name = name;
+  user.email = email;
+  return user;
+}
+
+module.exports = { getAllUsers, getUserById, createUser, updateUser };

routes/users.js

@@ -32,4 +32,22 @@ router.post("/", (req, res) => {
   res.status(201).json(user);
 });
 
+// PUT /users/:id — update an existing user; name and email are required
+router.put("/:id", (req, res) => {
+  const id = Number(req.params.id);
+  const { name, email } = req.body;
+
+  if (!name || !email) {
+    return res.status(400).json({ error: "name and email are required" });
+  }
+
+  const user = store.updateUser(id, { name, email });
+
+  if (!user) {
+    return res.status(404).json({ error: "User not found" });
+  }
+
+  res.json(user);
+});
+
 module.exports = router;