public async Task <List <ProductDTO> > GetSearchedProducts(List <string> QueryArray, int Page, string OrderBy)
{
var products = await _queries.GetSearchedProducts(QueryArray);
if (products == null)
{
throw new Exception("Couldn't find searched products");
}
//sorting
switch (OrderBy)
{
case "relevance":
products.Sort(delegate(ProductDTO p1, ProductDTO p2)
{
//checking how many matching conditions each product have
int p1Completed = 0;
int p2Completed = 0;
foreach (var condition in QueryArray)
{
if (p1.ProductName.Replace(" ", "").ToLowerInvariant().Contains(condition))
{
p1Completed++;
}
if (p1.ProductCategoryName.Replace(" ", "").ToLowerInvariant().Contains(condition))
{
p1Completed++;
}
if (p2.ProductName.Replace(" ", "").ToLowerInvariant().Contains(condition))
{
p2Completed++;
}
if (p2.ProductCategoryName.Replace(" ", "").ToLowerInvariant().Contains(condition))
{
p2Completed++;
}
}
if (p1Completed > p2Completed)
{
return(-1);
}
else if (p2Completed > p1Completed)
{
return(1);
}
else
{
//if same number compare productID
return((int.Parse(p1.ProductID))
.CompareTo(
int.Parse(p2.ProductID)
));
}
});
break;
case "toLower":
products = products.OrderByDescending(c => c.ProductPrice).ToList();
break;
case "toHigher":
products = products.OrderBy(c => c.ProductPrice).ToList();
break;
default:
break;
}
//paging
var ItemsByPage = new List <ProductDTO>();
for (int i = (Page - 1) * 10; i < (Page * 10); i++)
{
try
{
ItemsByPage.Add(products[i]);
}
catch (Exception) { }
}
return(ItemsByPage);
}