public async Task <ValidationContext> Handle(RejectMovieRequestCommand command, CancellationToken cancellationToken)
{
var result = new ValidationContext();
if (string.IsNullOrEmpty(command.Comment))
{
result.AddError("Invalid request", "A comment must be specified when rejecting a request");
}
var request = await _requestService.GetRequestById(command.RequestId);
if (request == null)
{
result.AddError("Invalid request", "No request was found with the given Id");
}
if (request?.RequestStatus == RequestStatuses.Completed)
{
result.AddError("Invalid request", "Request has already been completed");
}
if (!result.IsSuccessful)
{
return(result);
}
// ReSharper disable once PossibleNullReferenceException
request.RequestStatus = RequestStatuses.Rejected;
request.Comment = command.Comment;
await _unitOfWork.CommitAsync();
return(result);
}
private async Task <MovieRequestRow> ValidateRequestExists(DeleteMovieRequestCommand command, ValidationContext resultContext)
{
var request = await _requestService.GetRequestById(command.Id);
if (request == null)
{
resultContext.AddError("Invalid request id", "A request for the given id was not found.");
}
return(request);
}
public async Task <ValidationContext> Handle(ApproveMovieRequestCommand command, CancellationToken cancellationToken)
{
var result = new ValidationContext();
var request = await _requestService.GetRequestById(command.RequestId);
result.AddErrorIf(() => request == null, "Invalid request", "No request was found with the given Id");
result.AddErrorIf(() => request?.RequestStatus == RequestStatuses.Completed, "Invalid request", "Request has already been completed");
if (!result.IsSuccessful)
{
return(result);
}
request.RequestStatus = RequestStatuses.Approved;
await _unitOfWork.CommitAsync();
return(result);
}
private void GivenNoRequestIsFound()
{
_requestService.GetRequestById(Arg.Any <int>()).ReturnsNull();
}