private List <Category> GetRecursiveCats(ref CatWithSubs cur)
{
var result = new List <Category>();
var subs = new List <CatWithSubs>();
var curSubCats = GetSubCategories(cur.Cat.Id);
if (curSubCats.Any())
{
foreach (var cat in curSubCats)
{
result.Add(cat);
var tmp = new CatWithSubs()
{
Cat = cat
};
result.AddRange(GetRecursiveCats(ref tmp));
var tmpClone = new CatWithSubs()
{
Cat = tmp.Cat, Subs = tmp.Subs
};
subs.Add(tmpClone);
}
}
cur.Subs = subs;
return(result);
}
public IEnumerable <CatWithSubs> GetAllCategories()
{
var mainCatWithSubs = new CatWithSubs()
{
Cat = Categories.FirstOrDefault(x => x.BaseCategory == null)
};
GetRecursiveCats(ref mainCatWithSubs);
_logger.LogInformation($"Got all categories. Root is {mainCatWithSubs.Cat.Name}");
return(mainCatWithSubs.Subs);
}
private IQueryable <Product> FilterByCategory(IQueryable <Product> products, Guid categoryId)
{
var curCat = new CatWithSubs()
{
Cat = cats.FirstOrDefault(x => x.Id == categoryId)
};
var apropriateCats = GetRecursiveCats(ref curCat);
apropriateCats.Add(curCat.Cat);
return(products.Where(p => apropriateCats.Contains(p.Category)));
}
/// <summary>
/// Gets categories in recursive way.
/// </summary>
/// <param name="cur">The current category with subs. It will be filled with Subcategories</param>
private void GetRecursiveCats(ref CatWithSubs cur)
{
var subs = new List <CatWithSubs>();
var curSubCats = GetSubCategories(cur.Cat.Id);
if (curSubCats.Any())
{
foreach (var cat in curSubCats)
{
var tmp = new CatWithSubs()
{
Cat = cat
};
GetRecursiveCats(ref tmp);
var tmpClone = new CatWithSubs()
{
Cat = tmp.Cat, Subs = tmp.Subs
};
subs.Add(tmpClone);
}
}
cur.Subs = subs;
}