public UpdateTownValidator(IMediator mediator)
{
var uniqueIndexValidator = new UniqueIndexValidator <Town>(mediator, t => t.Postcode.ToString(), t => t.Name);
RuleFor(a => a.Dto.Name).NotEmpty().DependentRules(() =>
RuleFor(a => a.Dto.Postcode).NotEmpty().DependentRules(() =>
RuleFor(a => a.Dto).CustomAsync(uniqueIndexValidator.ValidateExisting))
);
}
public AddTownValidator(IMediator mediator)
{
var uniqueIndexValidator = new UniqueIndexValidator <Town>(mediator, t => t.Postcode.ToString(), t => t.Name);
//RuleFor(a => a.Dto.Name).NotEmpty().DependentRules(
// () =>
// {
// RuleFor(a => a.Dto.Name).CustomAsync(new UniqueIndexValidator<Town>(mediator, t => t.Name).Validate);
// });
RuleFor(a => a.Dto.Name).NotEmpty().DependentRules(() =>
RuleFor(a => a.Dto.Postcode).NotEmpty().DependentRules(() =>
RuleFor(a => a.Dto).CustomAsync(uniqueIndexValidator.Validate))
);
}
public AddWorkshopParticipant(IMediator mediator)
{
this.mediator = mediator;
var uniqueIndexValidator = new UniqueIndexValidator <WorkshopParticipant>(mediator,
t => t.StudentId.ToString(),
t => t.WorkshopId.ToString());
RuleFor(a => a.Dto.StudentId)
.ForeignKeyExists <AddCommand <WorkshopParticipant>, Student>(mediator) //check that Student exists
.DependentRules(() =>
RuleFor(a => a.Dto.WorkshopId)
.Cascade(CascadeMode.Stop)
.ForeignKeyExists <AddCommand <WorkshopParticipant>, Workshop> (mediator) //check that Workshop exists
.MustAsync(HaveFreePlaces).WithMessage("Workshop does not have free places") //check free places
.DependentRules(() =>
RuleFor(a => a.Dto).CustomAsync(uniqueIndexValidator.Validate) //check unique index
)
);
}
