public async Task <bool> Handle(DataAccessRequest <ISpecies> message, IOutboundPort <GenericDataResponse <ISpecies> > outputPort)
{
// no need to validate user - species data not user specific.
var response = new GenericDataResponse <ISpecies>();
switch (message.Strategy)
{
case DataAccessRequest <ISpecies> .AcquisitionStrategy.All:
response.Result = await _petStore.GetSpeciesInfo();
break;
case DataAccessRequest <ISpecies> .AcquisitionStrategy.Range:
response.Result = (await _petStore.GetSpeciesInfo())
.Where(message.SelectionPredicate)
.ToArray();
break;
case DataAccessRequest <ISpecies> .AcquisitionStrategy.Single:
response.Result = new[]
{ (await _petStore.GetSpeciesInfo()).FirstOrDefault(message.SelectionPredicate) };
break;
default:
throw new ArgumentOutOfRangeException(nameof(message));
}
outputPort.Handle(response);
return(true);
}
