public void Store(CommandLogEntry commandLogEntry)
{
using (var session = _store.LightweightSession())
{
session.Store(commandLogEntry);
session.SaveChanges();
}
}
public async Task <TResult> HandleAsync <TCommand, TResult>(TCommand command) where TCommand : ICommand <TResult>
{
if (_serviceProvider.GetService(typeof(ICommandHandler <TCommand, TResult>)) is not ICommandHandler <TCommand, TResult> service)
{
throw new ApplicationException($"The Command Dispatcher cannot find command handler: {typeof(TCommand).Name} Notice that you can use the AddCQRS extension in OpenFTTH.CQRS to easily add command and query handlers.");
}
var cmdResult = await service.HandleAsync(command);
if (command is BaseCommand baseCommand && cmdResult is Result result)
{
if (baseCommand.CorrelationId == Guid.Empty)
{
_logger.LogError($"{ typeof(TCommand).Name } command has empty correlation id. Please make sure all initated commands has a correlation id set.");
}
string atNode = "";
if (baseCommand.UserContext != null && baseCommand.UserContext.EditingRouteNodeId != Guid.Empty)
{
atNode = " from route node: " + baseCommand.UserContext.EditingRouteNodeId.ToString() + ",";
}
if (result.IsFailed && result.Errors != null)
{
foreach (var error in result.Errors)
{
_logger.LogWarning($"{ typeof(TCommand).Name } command with id {baseCommand.CmdId}, correlation id: {baseCommand.CorrelationId}, invoked by user: '******',{atNode} failed with message: {error.Message}");
}
}
else
{
_logger.LogInformation($"{ typeof(TCommand).Name } command with id {baseCommand.CmdId}, correlation id: {baseCommand.CorrelationId}, invoked by user: '******',{atNode} was successfully processed.");
}
// Store command in event store
if (_eventStore != null)
{
var cmdLogEntry = new CommandLogEntry(baseCommand.CmdId, command, result);
_eventStore.CommandLog.Store(cmdLogEntry);
}
}
return(cmdResult);
}
public void CommandLogTest()
{
if (_connectionString == null)
{
return;
}
var eventStore = new PostgresEventStore(null, _connectionString, "TestCommandLog", true) as IEventStore;
var myCmd = new TestCommand()
{
CmdId = Guid.NewGuid(), Name = "Hans", Weight = 120, Gender = Gender.Male
};
var failedResult = Result.Fail("Command failed for some reason. DOH!");
var myCmdLogEntry = new CommandLogEntry(myCmd.CmdId, myCmd, failedResult);
eventStore.CommandLog.Store(myCmdLogEntry);
var myCmdLogEntryFromLoad = eventStore.CommandLog.Load(myCmd.CmdId);
// Assert
myCmdLogEntryFromLoad.IsSuccess.Should().BeFalse();
myCmdLogEntryFromLoad.ErrorMessages.Should().Contain(failedResult.Errors.First().Message);
}
