示例#1
0
 /// <summary>
 /// 删除用户实例。
 /// </summary>
 /// <param name="user">当前用户实例。</param>
 /// <param name="cancellationToken">取消标志。</param>
 /// <returns>返回删除结果。</returns>
 public override async Task <IdentityResult> DeleteAsync(TUser user, CancellationToken cancellationToken = default)
 {
     cancellationToken.ThrowIfCancellationRequested();
     if (user == null)
     {
         throw new ArgumentNullException(nameof(user));
     }
     // ReSharper disable once SuspiciousTypeConversion.Global
     if (user is IUserEventHandler <TUser> handler)
     {
         if (await UserContext.BeginTransactionAsync(async db =>
         {
             if (!await handler.OnDeleteAsync(db, cancellationToken))
             {
                 return(false);
             }
             if (!await db.DeleteAsync(user.UserId, cancellationToken))
             {
                 return(false);
             }
             return(true);
         }, cancellationToken: cancellationToken))
         {
             return(IdentityResult.Success);
         }
     }
     else if (await UserContext.DeleteAsync(user.UserId, cancellationToken))
     {
         return(IdentityResult.Success);
     }
     return(IdentityResult.Failed(ErrorDescriber.DefaultError()));
 }
示例#2
0
        /// <summary>
        /// 删除用户实例。
        /// </summary>
        /// <param name="user">当前用户实例。</param>
        /// <param name="cancellationToken">取消标志。</param>
        /// <returns>返回删除结果。</returns>
        public override async Task <IdentityResult> DeleteAsync(TUser user, CancellationToken cancellationToken = default)
        {
            cancellationToken.ThrowIfCancellationRequested();
            if (user == null)
            {
                throw new ArgumentNullException(nameof(user));
            }

            var handlers = ServiceProvider.GetServices <IUserEventHandler <TUser> >().ToList();

            if (handlers.Count > 0)
            {
                handlers = handlers.OrderByDescending(x => x.Priority).ToList();
                if (await UserContext.BeginTransactionAsync(async db =>
                {
                    foreach (var handler in handlers)
                    {
                        try
                        {
                            if (!await handler.OnDeleteAsync(db, user, cancellationToken))
                            {
                                return(false);
                            }
                        }
                        catch (Exception exception)
                        {
                            Logger.LogError(exception, "删除用户发生错误:{0}", exception.Message);
                            return(false);
                        }
                    }

                    if (!await db.DeleteAsync(user.Id, cancellationToken))
                    {
                        return(false);
                    }

                    return(true);
                }, cancellationToken: cancellationToken))
                {
                    return(IdentityResult.Success);
                }
            }
            else if (await UserContext.DeleteAsync(user.Id, cancellationToken))
            {
                return(IdentityResult.Success);
            }

            return(IdentityResult.Failed(ErrorDescriber.DefaultError()));
        }
示例#3
0
        public async Task <TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate <TResponse> next)
        {
            var response = default(TResponse);
            var typeName = request.GetGenericTypeName();

            try
            {
                if (_dbContext.HasActiveTransaction)
                {
                    return(await next());
                }

                var strategy = _dbContext.Database.CreateExecutionStrategy();

                await strategy.ExecuteAsync(async() =>
                {
                    Guid transactionId;

                    using (var transaction = await _dbContext.BeginTransactionAsync())
                        using (LogContext.PushProperty("TransactionContext", transaction.TransactionId))
                        {
                            _logger.LogInformation("----- Begin transaction {TransactionId} for {CommandName} ({@Command})", transaction.TransactionId, typeName, request);

                            response = await next();

                            _logger.LogInformation("----- Commit transaction {TransactionId} for {CommandName}", transaction.TransactionId, typeName);

                            await _dbContext.CommitTransactionAsync(transaction);

                            transactionId = transaction.TransactionId;
                        }

                    await _userIntegrationEventService.PublishEventsThroughEventBusAsync(transactionId);
                });

                return(response);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "ERROR Handling transaction for {CommandName} ({@Command})", typeName, request);

                throw;
            }
        }