myex-cli/src/services/user.service.js

Opinionated Express.js framework with CLI tools

import { User } from '../models/user.model.js';
import { logger } from '../utils/logger.js';

export const userService = {
  /**
   * Find all users
   * @returns {Promise<Array>} Array of users
   */
  findAllUsers: async () => {
    try {
      return await User.find().select('-password');
    } catch (error) {
      logger.error(`Error finding all users: ${error.message}`);
      throw error;
    }
  },
  
  /**
   * Find a user by ID
   * @param {string} id - User ID
   * @returns {Promise<Object|null>} User object or null
   */
  findUserById: async (id) => {
    try {
      return await User.findById(id).select('-password');
    } catch (error) {
      logger.error(`Error finding user by ID: ${error.message}`);
      throw error;
    }
  },
  
  /**
   * Update a user
   * @param {string} id - User ID
   * @param {Object} updateData - Data to update
   * @returns {Promise<Object|null>} Updated user or null
   */
  updateUser: async (id, updateData) => {
    try {
      const allowedUpdates = ['name', 'email'];
      const updates = {};
      
      // Filter allowed updates
      for (const key in updateData) {
        if (allowedUpdates.includes(key) && updateData[key] !== undefined) {
          updates[key] = updateData[key];
        }
      }
      
      // If no valid updates, return user without updating
      if (Object.keys(updates).length === 0) {
        return await User.findById(id).select('-password');
      }
      
      // Update user with allowed fields
      return await User.findByIdAndUpdate(
        id,
        { $set: updates },
        { new: true, runValidators: true }
      ).select('-password');
    } catch (error) {
      logger.error(`Error updating user: ${error.message}`);
      throw error;
    }
  },
  
  /**
   * Delete a user
   * @param {string} id - User ID
   * @returns {Promise<boolean>} True if user was deleted
   */
  deleteUser: async (id) => {
    try {
      const result = await User.findByIdAndDelete(id);
      return !!result;
    } catch (error) {
      logger.error(`Error deleting user: ${error.message}`);
      throw error;
    }
  },
};