public virtual void PrepareSpecsFilters(
Category category,
int productsTotalAmount,
IEnumerable <SpecificationAttributeService.SpecificationAttributeOptionWithCount> allOptionsCountTbl,
IList <int> alreadyFilteredSpecOptionIds,
IList <int> filterableSpecificationAttributeOptionIds,
ISpecificationAttributeService specificationAttributeService,
IWebHelper webHelper,
IWorkContext workContext)
{
var allFilters = new List <SpecificationAttributeOptionFilter>();
if (filterableSpecificationAttributeOptionIds != null)
{
// Для оптимизации нужно вытащить сразу все спецификации и их значения
var allSpecsAttribs = specificationAttributeService.GetSpecificationAttributeOptionsBySpecificationAttributeList(filterableSpecificationAttributeOptionIds);
foreach (var sao in allSpecsAttribs) // цикл по айдишникам значений
{
if (sao != null)
{
var sa = sao.SpecificationAttribute; // вытаскиваем из БД спецификацию
if (sa != null)
{
// не показываем для некоторых категорий некоторые фильтры
bool isShowInFilter;
bool isShowInShortDescription;
YandexMarketHelpers.IsSpecAllow(sa.Name, new List <Category>()
{
category
}, out isShowInFilter, out isShowInShortDescription);
if (!isShowInFilter)
{
continue;
}
int existTimes = GetSpecificationAttributeOptionExistTimesInFilteredProducts(allOptionsCountTbl, sao.Id);
allFilters.Add(
new SpecificationAttributeOptionFilter
{
SpecificationAttributeId = sa.Id,
SpecificationAttributeName = sa.GetLocalized(x => x.Name, workContext.WorkingLanguage.Id),
SpecificationAttributeDisplayOrder = sa.DisplayOrder,
SpecificationAttributeOptionId = sao.Id,
SpecificationAttributeOptionName = sao.GetLocalized(x => x.Name, workContext.WorkingLanguage.Id),
SpecificationAttributeOptionDisplayOrder = sao.DisplayOrder,
SpecificationAttributeOptionExistTimesInFilteredProducts = existTimes
});
}
}
} // end for
}
//sort loaded options
allFilters = allFilters.OrderBy(saof => saof.SpecificationAttributeDisplayOrder)
.ThenBy(saof => saof.SpecificationAttributeName)
.ThenBy(saof => saof.SpecificationAttributeOptionDisplayOrder)
.ThenBy(saof => saof.SpecificationAttributeOptionName, new SpecOptionComp()).ToList();
//get already filtered specification options
var alreadyFilteredOptions = allFilters
.Where(x => alreadyFilteredSpecOptionIds.Contains(x.SpecificationAttributeOptionId))
.Select(x => x)
.ToList();
//get not filtered specification options
var notFilteredOptions = new List <SpecificationAttributeOptionFilter>();
foreach (var saof in allFilters)
{
//do not add already filtered specification options
if (alreadyFilteredOptions.FirstOrDefault(x => x.SpecificationAttributeId == saof.SpecificationAttributeId) != null)
{
continue;
}
//else add it
if (productsTotalAmount != saof.SpecificationAttributeOptionExistTimesInFilteredProducts)
{
notFilteredOptions.Add(saof);
}
}
//prepare the model properties
if (alreadyFilteredOptions.Count > 0 || notFilteredOptions.Count > 0)
{
this.Enabled = true;
this.AlreadyFilteredItems = alreadyFilteredOptions.ToList().Select(x =>
{
var item = new SpecificationFilterItem();
item.SpecificationAttributeName = x.SpecificationAttributeName;
item.SpecificationAttributeOptionName = RemoveHtmlTags(x.SpecificationAttributeOptionName);
//filter URL
var alreadyFilteredOptionIds = GetAlreadyFilteredSpecOptionIds(webHelper);
if (alreadyFilteredOptionIds.Contains(x.SpecificationAttributeOptionId))
{
alreadyFilteredOptionIds.Remove(x.SpecificationAttributeOptionId); // add to old list me
}
string newQueryParam = GenerateFilteredSpecQueryParam(alreadyFilteredOptionIds);
string filterUrl = webHelper.ModifyQueryString(webHelper.GetThisPageUrl(true), QUERYSTRINGPARAM + "=" + newQueryParam, null);
filterUrl = ExcludeQueryStringParams(filterUrl, webHelper);
item.FilterUrl = filterUrl;
return(item);
}).ToList();
this.NotFilteredItems = notFilteredOptions.ToList().Select(x =>
{
var item = new SpecificationFilterItem();
item.SpecificationAttributeName = x.SpecificationAttributeName;
item.SpecificationAttributeOptionName = RemoveHtmlTags(x.SpecificationAttributeOptionName);
item.SpecificationAttributeOptionExistTimesInFilteredProducts = x.SpecificationAttributeOptionExistTimesInFilteredProducts;
//filter URL
var alreadyFilteredOptionIds = GetAlreadyFilteredSpecOptionIds(webHelper);
if (!alreadyFilteredOptionIds.Contains(x.SpecificationAttributeOptionId))
{
alreadyFilteredOptionIds.Add(x.SpecificationAttributeOptionId); // add to old list me
}
string newQueryParam = GenerateFilteredSpecQueryParam(alreadyFilteredOptionIds);
string filterUrl = webHelper.ModifyQueryString(webHelper.GetThisPageUrl(true), QUERYSTRINGPARAM + "=" + newQueryParam, null);
filterUrl = ExcludeQueryStringParams(filterUrl, webHelper);
item.FilterUrl = filterUrl;
return(item);
}).ToList();
//remove filter URL
string removeFilterUrl = webHelper.RemoveQueryString(webHelper.GetThisPageUrl(true), QUERYSTRINGPARAM);
removeFilterUrl = ExcludeQueryStringParams(removeFilterUrl, webHelper);
this.RemoveFilterUrl = removeFilterUrl;
}
else
{
this.Enabled = false;
}
}
