private async ValueTask ValidateCanonicalNameAsync(TenantManager <TTenant> manager, TTenant tenant, ICollection <TenancyError> errors)
{
var canonicalName = await manager.GetCanonicalNameAsync(tenant);
if (string.IsNullOrWhiteSpace(canonicalName))
{
errors.Add(Describer.InvalidCanonicalName(canonicalName));
}
else if (!string.IsNullOrEmpty(manager.Options.Tenant.AllowedCanonicalNameCharacters) &&
canonicalName.Any(c => !manager.Options.Tenant.AllowedCanonicalNameCharacters.Contains(c)))
{
errors.Add(Describer.InvalidCanonicalName(canonicalName));
}
else
{
var owner = await manager.FindByCanonicalNameAsync(canonicalName);
if (owner != null &&
!string.Equals(await manager.GetTenantIdAsync(owner), await manager.GetTenantIdAsync(tenant)))
{
errors.Add(Describer.DuplicateCanonicalName(canonicalName));
}
}
}
