using Abp.Dependency;
using Abp.Domain.Repositories;
using Abp.Domain.Uow;
using Abp.Events.Bus.Entities;
using Abp.Events.Bus.Handlers;

using VberZero.BaseSystem.Users;

namespace VberZero.Authorization.Users;

/// <summary>
/// 删除用户时从所有组织单位中删除该用户。
/// </summary>
public class UserOrganizationUnitRemover :
    IEventHandler<EntityDeletedEventData<User>>,
    ITransientDependency
{
    private readonly IRepository<UserOrganizationUnit, long> _userOrganizationUnitRepository;
    private readonly IUnitOfWorkManager _unitOfWorkManager;

    public UserOrganizationUnitRemover(
        IRepository<UserOrganizationUnit, long> userOrganizationUnitRepository,
        IUnitOfWorkManager unitOfWorkManager)
    {
        _userOrganizationUnitRepository = userOrganizationUnitRepository;
        _unitOfWorkManager = unitOfWorkManager;
    }

    public virtual void HandleEvent(EntityDeletedEventData<User> eventData)
    {
        _unitOfWorkManager.WithUnitOfWork(() =>
        {
            using (_unitOfWorkManager.Current.SetTenantId(eventData.Entity.TenantId))
            {
                _userOrganizationUnitRepository.Delete(
                    uou => uou.UserId == eventData.Entity.Id
                );
            }
        });
    }
}