public async Task <IActionResult> GenerateObservers([FromForm] int count)
{
if (!ControllerExtensions.ValidateGenerateObserversNumber(count))
{
return(BadRequest("Incorrect parameter supplied, please check that paramter is between boundaries: "
+ ControllerExtensions.LOWER_OBS_VALUE + " - " + ControllerExtensions.UPPER_OBS_VALUE));
}
var command = new ObserverGenerateCommand(count, NgoId);
var result = await _mediator.Send(command);
return(Ok(result));
}
public async Task <IAsyncResult> GenerateObservers([FromForm] int count)
{
if (!ControllerExtensions.ValidateGenerateObserversNumber(count))
{
return(Task.FromResult(new BadRequestObjectResult("Incorrect parameter supplied, please check that paramter is between boundaries: "
+ ControllerExtensions.LOWER_OBS_VALUE + " - " + ControllerExtensions.UPPER_OBS_VALUE)));
}
ObserverGenerateCommand command = new ObserverGenerateCommand(count,
ControllerExtensions.GetIdOngOrDefault(this, 0));
var result = _mediator.Send(command);
return(Task.FromResult(new OkObjectResult(result.Result)));
}
public async Task <List <GeneratedObserver> > Handle(ObserverGenerateCommand request, CancellationToken cancellationToken)
{
List <Entities.Observer> dbObservers = new List <Entities.Observer>();
List <GeneratedObserver> generatedObservers = new List <GeneratedObserver>();
for (int i = 0; i < request.NrObservers; ++i)
{
dbObservers.Add(RandomObserverBuilder.Instance(_hashService).Build(request.IdNgo));
}
try
{
using (var tran = await _voteMonitorContext.Database.BeginTransactionAsync(cancellationToken))
{
int latestId = _voteMonitorContext.Observers
.OrderByDescending(o => o.Id)
.First()
.Id;
dbObservers = dbObservers
.Select(o => { o.Id = ++latestId; return(o); })
.ToList();
_voteMonitorContext.Observers.AddRange(dbObservers.ToArray());
await _voteMonitorContext.SaveChangesAsync(cancellationToken);
tran.Commit();
return(dbObservers
.Select(o => _mapper.Map <GeneratedObserver>(o))
.ToList());
}
}
catch (Exception ex)
{
_logger.LogError("Error during generation of random observers", ex, ex.Message);
}
return(await Task.FromResult(generatedObservers));
}
