public async Task <IActionResult> GetPromocodes([FromQuery] PromocodeParams promocodeParams)
{
var promocodes = await _repo.GetPromocodes(promocodeParams);
var promocodesToReturn = _mapper.Map <IEnumerable <PromocodeForListDTO> >(promocodes);
Response.AddPagination(promocodes.CurrentPage, promocodes.PageSize,
promocodes.TotalCount, promocodes.TotalPages);
return(Ok(promocodesToReturn));
}