public static async Task ValidateUniqueEmail(IReadOnlyRepository readOnlyRepository, AddExampleModel request)
{
var query = readOnlyRepository.Query <Example>(x => x.Status == EnabledStatus.Enabled && x.Email == request.Email);
var exists = await readOnlyRepository.AnyAsync(query);
if (exists)
{
throw new ObjectValidationException(nameof(request.Email), $"Email {request.Email} is already assigned to an example.");
}
}
private async Task <bool> LabelDoesNotExist(string name, CancellationToken cancellationToken)
{
return(await _labelReadOnlyRepository.AnyAsync(new LabelFilterSpecifications.ByName(name))
.ConfigureAwait(false));
}
private async Task <bool> AuthorExist(Guid authorUid, CancellationToken cancellationToken)
{
return(await _userReadOnlyRepository.AnyAsync(new UserFilterSpecificationses.ByUid(authorUid))
.ConfigureAwait(false));
}
private async Task <bool> UserNotExist(string nickname, CancellationToken cancellationToken)
{
return(await _userReadOnlyRepository.AnyAsync(new UserFilterSpecificationses.ByNickname(nickname))
.ConfigureAwait(false));
}