public async Task <ApiResult> Handle(InsertClassifierType request, CancellationToken cancellationToken)
{
if (request.UserUid == Guid.Empty)
{
throw new InvalidOperationException("User is required.");
}
var item = request.Item ?? throw new ArgumentNullException(nameof(request.Item));
using (var scope = _unitOfWorkFactory.Create())
{
var insertTypeResult = await _classifierTypeService.Insert(item, cancellationToken);
if (insertTypeResult.Success == false)
{
return(insertTypeResult);
}
var insertFieldResult = await _metadataService.Insert(new ManageFieldMetadataRequest
{
EntityTypeCode = ClassifierType.TypeCode,
// ReSharper disable once PossibleInvalidOperationException
EntityUid = insertTypeResult.Uid.Value,
Items = ClassifierMetadata.GetDefaultFields()
}, cancellationToken);
if (insertFieldResult.Success)
{
scope.Commit();
}
return(insertTypeResult);
}
}
public async Task <ApiResult> Register(ClassifierType item, ICollection <FieldMetadata> fields, CancellationToken cancellationToken)
{
var type = await _classifierTypeService.TryGet(item.Code, cancellationToken);
// todo: compare fields of registered classifier and fields from parameters to update them in db
if (type != null)
{
_logger.LogDebug("Classifier type {code} already registered.", item.Code);
return(new ApiResult {
AffectedRows = 0
});
}
// todo: register numerator (get default from settings)
using (var scope = _unitOfWorkFactory.Create())
{
var insertTypeResult = await _classifierTypeService.Insert(item, cancellationToken);
insertTypeResult.AssertSuccess(() => $"Failed to register classifier type \"{item.Code}\"");
// todo: throw if empty fields or get default fields?
if (fields != null)
{
var insertFieldResult = await _metadataService.Insert(new ManageFieldMetadataRequest
{
EntityTypeCode = ClassifierType.TypeCode,
// ReSharper disable once PossibleInvalidOperationException
EntityUid = insertTypeResult.Uid.Value,
Items = fields
}, cancellationToken);
insertFieldResult.AssertSuccess(() => $"Failed to register classifier type \"{item.Code}\"");
}
scope.Commit();
_logger.LogInformation("Classifier type {code} successfully registered.", item.Code);
return(new ApiResult {
AffectedRows = 1, Uid = insertTypeResult.Uid
});
}
}