public CircleDeletedDomainEventHandler(
IUserCircleRelationRepository userCircleRelationRepository,
ILogger <CircleDeletedDomainEventHandler> logger)
{
_userCircleRelationRepository = userCircleRelationRepository ?? throw new ArgumentNullException(nameof(userCircleRelationRepository));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public ToppingCircleCommandHandler(IUserCircleRelationRepository userCircleRelationRepository,
IHttpContextAccessor httpContextAccessor,
ILogger <ToppingCircleCommandHandler> logger)
{
_userCircleRelationRepository = userCircleRelationRepository ?? throw new ArgumentNullException(nameof(userCircleRelationRepository));
_httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public AddCircleMemberCommandHandler(ICircleRepository circleRepository,
IUserCircleRelationRepository userCircleRelationRepository,
IHttpContextAccessor httpContextAccessor,
IServiceProvider serviceProvider,
ILogger <AddCircleMemberCommandHandler> logger)
{
_circleRepository = circleRepository ?? throw new ArgumentNullException(nameof(circleRepository));
_userCircleRelationRepository = userCircleRelationRepository ?? throw new ArgumentNullException(nameof(userCircleRelationRepository));
_httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));
_serviceProvider = serviceProvider ?? throw new ArgumentNullException(nameof(serviceProvider));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
/// <summary>
/// 将用户加入圈子，使用静态方法是因为JoinCircleCommandHandler也需要加用户入圈
/// </summary>
/// <param name="circleId">圈子id</param>
/// <param name="joinedUserId">要加入圈子的用户id</param>
/// <param name="userCircleRelationRepository"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static async Task <bool> AddCircleMemberAsync(Guid circleId, Guid joinedUserId,
IUserCircleRelationRepository userCircleRelationRepository, CancellationToken cancellationToken)
{
var userCircle = await userCircleRelationRepository.GetRelationAsync(circleId, joinedUserId);
if (userCircle == null)
{
userCircle = new UserCircleRelation(joinedUserId, circleId);
userCircle.Join();
userCircleRelationRepository.Add(userCircle);
return(await userCircleRelationRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken));
}
throw new ClientException("用户已在圈中", new List <string> {
$"User {joinedUserId} is already in circle {circleId}"
});
}