public virtual async Task <List <string> > GetAlreadyFilteredSpecOptionIds
(IHttpContextAccessor httpContextAccessor, ISpecificationAttributeService specificationAttributeService)
{
var result = new List <string>();
foreach (var item in httpContextAccessor.HttpContext.Request.Query)
{
var spec = await specificationAttributeService.GetSpecificationAttributeBySeName(item.Key);
if (spec != null)
{
foreach (var value in item.Value)
{
foreach (var option in value.Split(","))
{
var opt = spec.SpecificationAttributeOptions.FirstOrDefault(x => x.SeName == option.ToLowerInvariant());
if (opt != null)
{
if (!result.Contains(opt.Id))
{
result.Add(opt.Id);
}
}
}
}
}
}
return(result);
}
