private async Task ValidateRoleName(IdentityRoleManager manager, Role role,
ICollection <IdentityError> errors)
{
var roleName = await manager.GetRoleNameAsync(role);
if (string.IsNullOrWhiteSpace(roleName))
{
errors.Add(Describer.InvalidRoleName(roleName));
}
else
{
var owner = await manager.FindByNameAsync(roleName, role.CompanyId, role.TenantId);
if (owner != null &&
!string.Equals(await manager.GetRoleIdAsync(owner), await manager.GetRoleIdAsync(role)))
{
errors.Add(Describer.DuplicateRoleName(roleName));
}
}
}