public async Task <SearchResult <ProcessInstanceResult> > Handle(CreateProcessInstanceCommand request, CancellationToken cancellationToken)
{
var processFile = await _eventStoreRepository.GetLastAggregate <ProcessFileAggregate>(request.ProcessFileId, ProcessFileAggregate.GetStreamName(request.ProcessFileId));
if (processFile == null || string.IsNullOrWhiteSpace(processFile.AggregateId))
{
_logger.LogError($"the process file '{request.ProcessFileId}' doesn't exist");
throw new UnknownProcessFileException(string.Format(Global.UnknownProcessFile, request.ProcessFileId));
}
var processInstances = BPMNParser.BuildInstances(processFile.Payload, request.ProcessFileId);
var result = new List <ProcessInstanceResult>();
foreach (var processInstance in processInstances)
{
var pi = ProcessInstanceAggregate.New(request.ProcessFileId,
processFile.Name,
processInstance.ElementDefs.ToList(),
processInstance.Interfaces.ToList(),
processInstance.Messages.ToList(),
processInstance.ItemDefs.ToList(),
processInstance.SequenceFlows.ToList());
await _commitAggregateHelper.Commit(pi, pi.GetStreamName(), cancellationToken);
result.Add(ProcessInstanceResult.ToDto(pi));
}
return(new SearchResult <ProcessInstanceResult>
{
Content = result
});
}
public async Task <IActionResult> Add([FromBody] CreateProcessInstanceCommand createProcessInstanceCommand, CancellationToken cancellationToken)
{
try
{
var result = await _mediator.Send(createProcessInstanceCommand, cancellationToken);
return(new OkObjectResult(result));
}
catch (UnknownProcessFileException ex)
{
return(this.ToError(new List <KeyValuePair <string, string> >
{
new KeyValuePair <string, string>("bad_request", ex.Message)
}, HttpStatusCode.NotFound, Request));
}
}
