Cria o controller do usuário com funções CRUD

Author: sara

controllers/userController.js

@@ -0,0 +1,55 @@
+const User = require("../models/user");
+
+// Create new user
+exports.createUser = async (req, res) => {
+  try {
+    const user = await User.create(req.body);
+    res.status(201).json(user);
+  } catch (err) {
+    res.status(400).json({ error: err.message });
+  }
+};
+
+// Get all users
+exports.getUsers = async (req, res) => {
+  const users = await User.find();
+  res.json(users);
+};
+
+// Get single user by ID
+exports.getUserById = async (req, res) => {
+  try {
+    const user = await User.findById(req.params.id);
+    if (!user) return res.status(404).json({ error: "User not found" });
+    res.json(user);
+  } catch (err) {
+    res.status(400).json({ error: "Invalid ID format" });
+  }
+};
+
+// Update user
+exports.updateUser = async (req, res) => {
+  const { id } = req.params;
+  try {
+    const user = await User.findByIdAndUpdate(id, req.body, {
+      new: true,
+      runValidators: true,
+    });
+    if (!user) return res.status(404).json({ error: "User not found" });
+    res.json(user);
+  } catch (err) {
+    res.status(400).json({ error: err.message });
+  }
+};
+
+// Delete user
+exports.deleteUser = async (req, res) => {
+  const { id } = req.params;
+  try {
+    const user = await User.findByIdAndDelete(id);
+    if (!user) return res.status(404).json({ error: "User not found" });
+    res.json({ message: `✅ User "${user.name}" has been deleted.` });
+  } catch (err) {
+    res.status(400).json({ error: err.message });
+  }
+};