CommandResult Handle(ITransaction transaction, ICommand command)
{
var commandResult = new CommandResult();
try
{
using (_localizer.BeginScope())
{
commandResult = CommandResult.ForCommand(command);
var authorizationResult = _commandSecurityManager.Authorize(command);
if (!authorizationResult.IsAuthorized)
{
commandResult.SecurityMessages = authorizationResult.BuildFailedAuthorizationMessages();
transaction.Rollback();
return(commandResult);
}
var validationResult = _commandValidationService.Validate(command);
commandResult.ValidationResults = validationResult.ValidationResults;
commandResult.CommandValidationMessages = validationResult.CommandErrorMessages;
if (commandResult.Success)
{
try
{
_commandHandlerManager.Handle(command);
transaction.Commit();
}
catch (TargetInvocationException ex)
{
commandResult.Exception = ex.InnerException;
transaction.Rollback();
}
catch (Exception exception)
{
commandResult.Exception = exception;
transaction.Rollback();
}
}
else
{
transaction.Rollback();
}
}
}
catch (TargetInvocationException ex)
{
commandResult.Exception = ex.InnerException;
}
catch (Exception ex)
{
commandResult.Exception = ex;
}
return(commandResult);
}
CommandResult Handle(ICommandContext commandContext, CommandRequest command)
{
var commandResult = new CommandResult();
try
{
using (_localizer.BeginScope())
{
_logger.Information($"Handle command of type {command.Type}");
commandResult = CommandResult.ForCommand(command);
_logger.Trace("Authorize");
var authorizationResult = _commandSecurityManager.Authorize(command);
if (!authorizationResult.IsAuthorized)
{
_logger.Trace("Command not authorized");
commandResult.SecurityMessages = authorizationResult.BuildFailedAuthorizationMessages();
commandContext.Rollback();
return(commandResult);
}
_logger.Trace("Validate");
var validationResult = _commandValidationService.Validate(command);
commandResult.ValidationResults = validationResult.ValidationResults;
commandResult.CommandValidationMessages = validationResult.CommandErrorMessages;
if (commandResult.Success)
{
_logger.Trace("Command is considered valid");
try
{
_logger.Trace("Handle the command");
_commandHandlerManager.Handle(command);
_logger.Trace("Collect any broken rules");
commandResult.BrokenRules = commandContext.GetObjectsBeingTracked()
.SelectMany(_ => _.BrokenRules)
.Select(_ => new BrokenRuleResult(
_.Rule.Name,
$"EventSource: {_.Context.Target.GetType().Name} - with id {((IEventSource)_.Context.Target).EventSourceId.Value}",
_.Instance?.ToString() ?? "[Not Set]",
_.Causes));
_logger.Trace("Commit transaction");
commandContext.Commit();
}
catch (TargetInvocationException ex)
{
_logger.Error(ex, "Error handling command");
commandResult.Exception = ex.InnerException;
commandContext.Rollback();
}
catch (Exception ex)
{
_logger.Error(ex, "Error handling command");
commandResult.Exception = ex;
commandContext.Rollback();
}
}
else
{
_logger.Information("Command was not successful, rolling back");
commandContext.Rollback();
}
}
}
catch (TargetInvocationException ex)
{
_logger.Error(ex, "Error handling command");
commandResult.Exception = ex.InnerException;
}
catch (Exception ex)
{
_logger.Error(ex, "Error handling command");
commandResult.Exception = ex;
}
return(commandResult);
}
CommandResult Handle(ITransaction transaction, CommandRequest command)
{
var commandResult = new CommandResult();
try
{
using (_localizer.BeginScope())
{
_logger.Information("Handle command");
commandResult = CommandResult.ForCommand(command);
var authorizationResult = _commandSecurityManager.Authorize(command);
if (!authorizationResult.IsAuthorized)
{
commandResult.SecurityMessages = authorizationResult.BuildFailedAuthorizationMessages();
transaction.Rollback();
return(commandResult);
}
var validationResult = _commandValidationService.Validate(command);
commandResult.ValidationResults = validationResult.ValidationResults;
commandResult.CommandValidationMessages = validationResult.CommandErrorMessages;
if (commandResult.Success)
{
try
{
_commandHandlerManager.Handle(command);
transaction.Commit();
}
catch (TargetInvocationException ex)
{
_logger.Error(ex, "Error handling command");
_exceptionPublisher.Publish(ex);
commandResult.Exception = ex.InnerException;
transaction.Rollback();
}
catch (Exception ex)
{
_logger.Error(ex, "Error handling command");
_exceptionPublisher.Publish(ex);
commandResult.Exception = ex;
transaction.Rollback();
}
}
else
{
_logger.Information("Command was not successful, rolling back");
transaction.Rollback();
}
}
}
catch (TargetInvocationException ex)
{
_logger.Error(ex, "Error handling command");
_exceptionPublisher.Publish(ex);
commandResult.Exception = ex.InnerException;
}
catch (Exception ex)
{
_logger.Error(ex, "Error handling command");
_exceptionPublisher.Publish(ex);
commandResult.Exception = ex;
}
return(commandResult);
}