private async Task <ResponseBase> ExecuteAction <T>(Type handlerType, IServiceProvider serviceProvider,
CommandBase command, ILogger <T> logger,
HttpInformation information, ConnectionBase connection)
{
object handler = serviceProvider.GetService(handlerType);
if (handler != null)
{
logger.LogInformation("Handling {0} with {1}", command.GetType().Name, handler.GetType().Name);
try
{
if (handler is INeedsConnection handlerWithConnection)
{
if (handler is ExecuteCommandHandler || connection != null)
{
handlerWithConnection.Connection = connection;
}
else
{
logger.LogWarning("Cannot handle {0} without realtime connection", command.GetType().Name);
return(command.CreateExceptionResponse <ResponseBase>(
new MissingRealtimeConnectionException()));
}
}
ResponseBase response = await(dynamic) handlerType.GetHandlerHandleMethod()
.Invoke(handler, new object[] { information, command });
logger.LogInformation("Handled {0}", command.GetType().Name);
if (response?.Error != null)
{
logger.LogWarning("The handler returned an error for {0}. Error: {1}, Message: {2}",
command.GetType().Name, response.Error.Type, response.Error.Message);
}
return(response);
}
catch (Exception ex)
{
logger.LogError("Error handling {0}. Error:{1}\n{2}", command.GetType().Name, ex.GetType().Name,
ex.Message);
return(command.CreateExceptionResponse <ResponseBase>(ex));
}
}
else
{
logger.LogWarning("No handler was found to handle {0}", command.GetType().Name);
return(command.CreateExceptionResponse <ResponseBase>(new HandlerNotFoundException()));
}
}
private async Task <ResponseBase> ExecuteAction <T>(Type handlerType, IServiceProvider serviceProvider, CommandBase command, ILogger <T> logger,
HttpInformation information, ConnectionBase connection = null)
{
object handler = serviceProvider.GetService(handlerType);
if (handler != null)
{
logger.LogInformation("Handling " + command.GetType().Name + " with " + handler.GetType().Name);
try
{
if (handler is INeedsConnection handlerWithConnection)
{
if (handler is ExecuteCommandHandler || connection != null)
{
handlerWithConnection.Connection = connection;
}
else
{
logger.LogError("Cannot handle " + command.GetType().Name + " without realtime connection");
return(command.CreateExceptionResponse <ResponseBase>("Cannot handle this command without realtime connection"));
}
}
ResponseBase response = await(dynamic) handlerType.GetHandlerHandleMethod()
.Invoke(handler, new object[] { information, command });
logger.LogInformation("Handled " + command.GetType().Name);
if (response?.Error != null)
{
logger.LogWarning("The handler returned an error for " + command.GetType().Name, response.Error);
}
return(response);
}
catch (Exception ex)
{
logger.LogError("Error handling " + command.GetType().Name);
logger.LogError(ex.Message);
return(command.CreateExceptionResponse <ResponseBase>(ex));
}
}
else
{
logger.LogError("No handler was found to handle " + command.GetType().Name);
return(command.CreateExceptionResponse <ResponseBase>("No handler was found for command"));
}
}
private ResponseBase CreateAuthenticationResponseOrNull(Type handlerType, HttpInformation information, CommandBase command)
{
if (!options.CanExecuteCommand(command, information))
{
return(command.CreateExceptionResponse <ResponseBase>("You are not allowed to execute this command"));
}
return(null);
}
public static ResponseBase CreateExceptionResponse <T>(this CommandBase command, string exceptionMessage)
where T : ResponseBase
{
return(command.CreateExceptionResponse <T>(new Exception(exceptionMessage)));
}