userController.js

const asyncHandler = require("express-async-handler");
const userModel = require("../db/models/userModel");
const ApiError = require("../middlewares/apiError");
const { BadRequestError , NotFoundError } = require("../middlewares/apiError");
const {
  SuccessMsgResponse,
  SuccessResponse,
  SuccessMsgDataResponse,
  SuccessResponsePagination,
} = require("../middlewares/apiResponse");

const UserRepo = require("../db/repositories/userRepo");



exports.getUser = asyncHandler(async (req, res) => {
  
  const user = await UserRepo.findById(req.params.id);
  if (!user) {
    throw new NotFoundError("No user found with that id");
  }
  return new SuccessResponse(user).send(res);
 
});
exports.createUser = asyncHandler(async (req, res) => {
  
  const checkUser = await UserRepo.findOneByObj({ email: req.body.email });
  if (checkUser) {
    throw new BadRequestError("A user with this email already exists");
  }

  let user = await UserRepo.create(req.body);
  let { password, ...data } = user._doc;
  return new SuccessMsgDataResponse(data, "User created successfully").send(
    res
  );
});
exports.getUsers = asyncHandler(async (req, res) => {
  
  const { page, perPage } = req.query;
  const options = {
    page: parseInt(page, 10) || 1,
    limit: parseInt(perPage, 10) || 10,
  };
  const users = await UserRepo.findByObjPaginate({}, options, req.query);
  if (!users) {
    return new SuccessMsgResponse("No users found").send(res);
  }
  const { docs, ...meta } = users;

  return new SuccessResponsePagination(docs, meta).send(res);
  
});
exports.deleteUser = asyncHandler(async (req, res) => {
  const user = await UserRepo.findOneByObj({ _id: req.params.id, deletedAt: null});
 
  if (!user) {
    throw new NotFoundError("User not registered or deleted");
  }
  let deletedUser = await UserRepo.deleteUser(user);
  return new SuccessMsgDataResponse(deletedUser, "User deleted successfully").send(
    res
  );
  
});
exports.updateUser = asyncHandler(async (req, res) => {

  if(req.body.email){
    const checkUser = await UserRepo.findOneByObj({_id: { $ne: req.params.id }, email: req.body.email });
    if (checkUser) {
      throw new BadRequestError("A user with this email already exists");
    }
  }
  const user = await UserRepo.findByIdAndUpdate( req.params.id, req.body);
  if (!user) {
    throw new NotFoundError("No user found with that id");
  }
  return new SuccessMsgDataResponse(user, "User updated successfully").send(
    res
  );
  
});