public virtual async Task <PagedResultDto <IdentityRoleDto> > GetRolesAsync(OrganizationUnitGetRoleByPagedDto input)
{
var origanizationUnit = await OrganizationUnitRepository.GetAsync(input.Id);
var origanizationUnitRoleCount = await OrganizationUnitRepository.GetRolesCountAsync(origanizationUnit);
var origanizationUnitRoles = await OrganizationUnitRepository.GetRolesAsync(origanizationUnit,
input.Sorting, input.MaxResultCount, input.SkipCount, false);
return(new PagedResultDto <IdentityRoleDto>(origanizationUnitRoleCount,
ObjectMapper.Map <List <IdentityRole>, List <IdentityRoleDto> >(origanizationUnitRoles)));
}