presence/Data/Repository/UserRepositoty.cs

using presence.Data.LocalData;
using presence.Data.LocalData.Entity;
using presence.Data.RemoteData.RemoteDatabase.DAO;
using presence.Data.Repository;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace presence.Data.ReportsHistory
{
    public class UserRepositoryImpl: IUserRepository
    {
        public UserRepositoryImpl()
        {

            GetAllUsers = LocalStaticData.users.Select(it => new UserDao { GroupID  = it.GroupID, UserFIO = it.UserFIO, UserID = it.UserId}).ToList();
        }
        public List<UserDao> GetAllUsers
        { get; set; }

        public List<UserDao> GetAllUser()
        {
            return GetAllUsers;
        }
        public bool RemoveUserById(int userId)
        {
            UserDao? userLocal = GetAllUsers
                .Where(x => x.UserID == userId).FirstOrDefault();
            if (userLocal == null) return false;

            return GetAllUsers.Remove(userLocal);
        }
        public UserDao FindUserById(int userId)
        {
            UserDao? userLocal = GetAllUsers
                .Where(x => x.UserID == userId).FirstOrDefault();
            if (userLocal == null) throw new Exception("Пользователь не найден");
            return userLocal; 
        }


        public UserDao? GetUserById(int userId)
        {
            UserDao? userLocal = GetAllUsers
                    .Where(x => x.UserID == userId).FirstOrDefault();
            if (userLocal == null) return null;

            return userLocal;
        }

        public UserDao? UpdateUser(UserDao userUpdateDao)
        {
            UserDao? userLocal = GetAllUsers
                    .Where(x => x.UserID == userUpdateDao.UserID).FirstOrDefault();
            if (userLocal == null) return null;
            userLocal.UserFIO = userUpdateDao.UserFIO;
            userLocal.GroupID = userUpdateDao.GroupID;
            return userLocal;

        }
        public UserDao? UpdateUserById(int userId)
        {
            UserDao? userLocal = GetAllUsers
                    .Where(x => x.UserID == userId).FirstOrDefault();
            if (userLocal == null) return null;
            return userLocal;

        }
    }
}