Initial commit

backend-node/services/users.service.js

@@ -0,0 +1,36 @@
+const { ValidationError } = require('../shared/errors');
+
+class UsersService {
+  constructor({ usersRepository }) {
+    this.usersRepository = usersRepository;
+  }
+
+  async getAllUsers() {
+    return await this.usersRepository.findAll();
+  }
+
+  async getUserById(id) {
+    return await this.usersRepository.findById(id);
+  }
+
+  async updateUserProfile(id, updateData) {
+    const { name, email, avatarUrl } = updateData;
+
+    if (name && name.trim() === '') {
+      throw new ValidationError('Name cannot be empty');
+    }
+
+    if (email && email.trim() === '') {
+      throw new ValidationError('Email cannot be empty');
+    }
+
+    const dataToUpdate = {};
+    if (name !== undefined) dataToUpdate.name = name;
+    if (email !== undefined) dataToUpdate.email = email;
+    if (avatarUrl !== undefined) dataToUpdate.avatarUrl = avatarUrl;
+
+    return await this.usersRepository.update(id, dataToUpdate);
+  }
+}
+
+module.exports = UsersService;