xxxproject/Demo/Data/Repository/GroupRepositoryImpl.cs

using Demo.Data.LocalData;
using Demo.domain.Models;
using System.Collections.Generic;
using System.Linq;

namespace Demo.Data.Repository
{
    public class GroupRepositoryImpl : IGroupRepository
    {
        public List<GroupLocalEntity> GetAllGroups { get; private set; }

        public GroupRepositoryImpl()
        {
            GetAllGroups = LocalStaticData.groups;
        }

        public List<GroupLocalEntity> GetAllGroup()
        {
            return GetAllGroups; 
        }

        public GroupLocalEntity GetGroupById(int groupID)
        {
            return GetAllGroups.FirstOrDefault(g => g.Id == groupID);
        }

        public bool RemoveGroupById(int groupID)
        {
            var group = GetAllGroups.FirstOrDefault(g => g.Id == groupID);
            if (group != null)
            {
                GetAllGroups.Remove(group);
                return true;
            }
            return false;
        }

        public bool UpdateGroupById(int groupID, GroupLocalEntity updatedGroup)
        {
            var existingGroup = GetAllGroups.FirstOrDefault(g => g.Id == groupID);
            if (existingGroup != null)
            {
                existingGroup.Name = updatedGroup.Name; 
                return true; 
            }
            return false; 
        }

        public bool AddGroup(GroupLocalEntity newGroup)
        {
            
            if (GetAllGroups.Any(g => g.Id == newGroup.Id))
            {
                return false; 
            }

            GetAllGroups.Add(newGroup); 
            return true; 
        }
    }
}