public IActionResult PostPerson([FromBody] PersonPostApiModel model)
{
var result = ApiValidation(model)
.Map(x => new PersonModel {
FirstName = x.FirstName, LastName = x.LastName
})
.Flatten(LastNameAppService, x => new PersonPostApiError {
Message = x.Message, Model = model
})
.FlatMap(FirstNameAppService, x => new PersonPostApiError {
Message = x.Message, Model = model
});
return(result.Match <IActionResult>(BadRequest, Ok));
}
public Task <IActionResult> PostPerson([FromBody] PersonPostApiModel model)
{
return(ApiValidation(model)
// Using match inside this scope is currently too complex since it requires all type params to be supplied.
.Map(x => new PersonModel {
FirstName = x.FirstName, LastName = x.LastName
})
.ToAsyncResult()
.FlattenAsync(
x => LastNameAppService(x).ToAsyncResult(),
x => new PersonPostApiError {
Message = x.Message, Model = model
}
)
.FlatMapAsync(
x => FirstNameAppService(x).ToAsyncResult(),
x => new PersonPostApiError {
Message = x.Message, Model = model
}
)
.Match <IActionResult>(Ok, BadRequest));
}
private static Result <PersonPostApiModel, PersonPostApiError> ApiValidation(PersonPostApiModel model)
{
var apiValidation = model
.ToResult <PersonPostApiModel, PersonPostApiError>()
.Multiple(
x => x.Filter(y => y.Age > 10, () => new PersonPostApiError {
Message = "Age needs to be more than 10", Model = model
}),
x => x.Flatten(y => ValidateName(y.FirstName), s => new PersonPostApiError {
Message = s, Model = model
}),
x => x.Flatten(y => ValidateName(y.LastName), s => new PersonPostApiError {
Message = s, Model = model
})
);
return(apiValidation.Match(x => x, x => {
return (Result <PersonPostApiModel, PersonPostApiError>) new PersonPostApiError {
Errors = x.Select(y => y.Message).ToArray(),
Message = "Invalid Api Validation.",
Model = model
};
}));
}
private static IResult <PersonPostApiModel, PersonPostApiError> ApiValidation(PersonPostApiModel model)
{
var apiValidation = model
.ToResult(x => true, x => default(PersonPostApiError))
.Multiple(
x => x.Filter(
y => y.Age > 10,
y => new PersonPostApiError {
Message = "Age has to be older than '10'.", Model = model
}
),
x => x.Flatten(
y => ValidateName(y.FirstName),
s => new PersonPostApiError {
Message = s, Model = model
}
),
x => x.Flatten(
y => ValidateName(y.LastName),
s => new PersonPostApiError {
Message = s, Model = model
}
)
);
return(apiValidation.Match(Result.Value <PersonPostApiModel, PersonPostApiError>, x =>
Result.Error <PersonPostApiModel, PersonPostApiError>(
new PersonPostApiError {
Errors = x.Select(y => y.Message).ToArray(),
Message = "Invalid Api Validation.",
Model = model
}
)));
}
