public Command Map(CloudEventRequest request)
{
Ensure.NotNull(request, nameof(request));
Ensure.NotNull(request.Data, nameof(request.Data));
if (!_dataContentTypes.Contains(request.DataContentType))
{
throw new ArgumentException($"While running Map in '{nameof(CreateDiaryMapper)}' I can't recognize the DataContentType:{request.DataContentType}");
}
if (!request.DataSchema.Equals(Schema) || !request.Source.Equals(Source))
{
throw new ArgumentException($"While running Map in '{nameof(CreateDiaryMapper)}' I can't recognize the data (DataSchema:{request.DataSchema};Source:{request.Source})");
}
CreateDiary cmd = JsonSerializer.Deserialize <CreateDiary>(request.Data.ToString());
cmd.Metadata = new Dictionary <string, string>
{
{ "$correlationId", cmd.CorrelationId },
{ "source", request.Source.ToString() },
{ "$applies", request.Time.ToString("O") },
{ "cloudrequest-id", request.Id },
{ "schema", request.DataSchema.ToString() },
{ "content-type", request.DataContentType }
};
return(cmd);
}
internal void Process(CloudEventRequest cloudRequest)
{
if (!_deserializers.ContainsKey(cloudRequest.DataSchema.ToString()) &&
!_deserializers.ContainsKey($"{cloudRequest.DataSchema}{cloudRequest.Source}"))
{
throw new Exception(
$"I can't find a mapper for schema:'{cloudRequest.DataSchema}' source:''{cloudRequest.Source}''");
}
var command = _deserializers.ContainsKey(cloudRequest.DataSchema.ToString())
? _deserializers[cloudRequest.DataSchema.ToString()](cloudRequest)
: _deserializers[$"{cloudRequest.DataSchema}{cloudRequest.Source}"](cloudRequest);
if (command == null)
{
throw new Exception(
$"I received CloudRequest Type:'{cloudRequest.Type}' Source:'{cloudRequest.Source}' Schema:'{cloudRequest.DataSchema}' but I was unable to deserialize a Command out of it");
}
IAggregate aggregate = null;
try
{
switch (command)
{
case CreateDiary createDiary:
aggregate = Handle(createDiary);
break;
case Log log:
aggregate = Handle(log);
break;
}
// Add here any further command matches
if (aggregate == null)
{
throw new Exception(
$"Received CloudRequest Type:'{cloudRequest.Type}' Source:'{cloudRequest.Source}' Schema:'{cloudRequest.DataSchema}' but I can't find an available handler for it");
}
}
finally
{
if (aggregate != null && aggregate.UncommitedEvents().Any())
{
var uncommittedEventsList = aggregate.UncommitedEvents().ToList();
_domainRepositories[command.Metadata["source"]].Save(aggregate);
var error = new StringBuilder();
foreach (var uncommittedEvent in uncommittedEventsList)
{
Log.Info($"Handled '{cloudRequest.Type}' AggregateId:'{aggregate.AggregateId}' [0]Resulted event:'{uncommittedEvent.GetType()}'");
if (uncommittedEvent.GetType().ToString().EndsWith("FailedV1"))
{
error.Append(HandleFailedEvent(uncommittedEvent, command));
}
}
if (error.Length > 0)
{
throw new BusinessException(error.ToString());
}
}
else
{
Log.Info(
$"Handled CloudRequest Type:'{cloudRequest.Type}' Source:'{cloudRequest.Source}' Schema:'{cloudRequest.DataSchema}' with no events to save");
}
}
}
