IdenticalProductList(ProductLinksController controller, int[] product1_ids, int company2_id, Cliver.ProductIdentifier.Engine engine)
{
Product1Ids = (from x in product1_ids where controller.db.Products.Where(p => p.Id == x).First().CompanyId != company2_id select x).ToArray();
Company2Id = company2_id;
this.engine = engine;
product_links = engine.CreateProductLinkList(Product1Ids, Company2Id);
}
static IdenticalProductList get_from_session(ProductLinksController controller, int[] product1_ids, int company2_id)
{
IdenticalProductList ipl = (IdenticalProductList)controller.Session[IdenticalProductList.IdenticalProductList_SESSION_KEY];
//IdenticalProductList ipl = (IdenticalProductList)System.Runtime.Caching.MemoryCache.Default.Get(IdenticalProductList.CacheKey);
if (product1_ids == null)
{
return(ipl);
}
if (ipl == null)
{
ipl = new IdenticalProductList(controller, product1_ids, company2_id, new Cliver.ProductIdentifier.Engine(true));
}
else if (!ipl.is_corresponding(controller, product1_ids, company2_id))
{
ipl = new IdenticalProductList(controller, product1_ids, company2_id, ipl.engine);
}
controller.Session[IdenticalProductList.IdenticalProductList_SESSION_KEY] = ipl;
//System.Runtime.Caching.MemoryCache.Default.Set(IdenticalProductList.CacheKey, ipl, DateTimeOffset.Now.AddSeconds(3600));
if (ipl.product_links.Count > 0 && ipl.product_links[0].Score > 1)
{
ipl.ScoreFactor = 1D / ipl.product_links[0].Score;
}
return(ipl);
}
//const string Engine_SESSION_KEY = "IDENTICAL_PRODUCT_LIST";
bool is_corresponding(ProductLinksController controller, int[] product1_ids, int company2_id)
{
if (Company2Id != company2_id)
{
return(false);
}
Product p2 = controller.db.Products.Where(p => p.CompanyId == company2_id && product1_ids.Contains(p.Id)).FirstOrDefault();
if (p2 != null)
{
if (p2.LinkId > 0)
{
int[] p2_ids = controller.db.Products.Where(x => x.LinkId == p2.LinkId).Select(x => x.Id).ToArray();
product1_ids = product1_ids.Where(x => !p2_ids.Contains(x)).ToArray();
}
else
{
product1_ids = product1_ids.Where(x => x != p2.Id).ToArray();
}
}
if (!Product1Ids.OrderBy(x => x).SequenceEqual(product1_ids.OrderBy(x => x)))
{
return(false);
}
return(true);
}
public static void SaveLink(ProductLinksController controller, int[] product_ids)
{
Cliver.ProductIdentifier.Engine engine;
IdenticalProductList ipl = get_from_session(controller, null, 0);
if (ipl == null)
{
engine = new Cliver.ProductIdentifier.Engine(true);
}
else
{
engine = ipl.engine;
}
engine.SaveLink(product_ids);
}
public static IdenticalProductList GetMovingToNextRange(ProductLinksController controller, int[] product1_ids, int company2_id, string[] keyword2s, string category2, int range_size, bool forward, out bool is_CurrentProductLinks_changed)
{
product1_ids = product1_ids.Distinct().ToArray();
IdenticalProductList ipl = get_from_session(controller, product1_ids, company2_id);
ipl.set_pls_filtered(keyword2s, category2);
is_CurrentProductLinks_changed = ipl.CurrentProductLinkRangeStartIndex == INITIAL_INDEX && ipl.CurrentProductLinkRangeEndIndex == INITIAL_INDEX;
if (forward)
{
ipl.CurrentProductLinkRangeStartIndex = ipl.CurrentProductLinkRangeEndIndex + 1;
ipl.CurrentProductLinkRangeEndIndex = ipl.CurrentProductLinkRangeStartIndex + range_size - 1;
if (ipl.CurrentProductLinkRangeEndIndex >= ipl.CurrentProductLinks.Count)
{
ipl.CurrentProductLinkRangeEndIndex = ipl.CurrentProductLinks.Count - 1;
}
if (ipl.CurrentProductLinkRangeStartIndex >= ipl.CurrentProductLinks.Count)
{
ipl.CurrentProductLinkRangeStartIndex = ipl.CurrentProductLinks.Count;
}
}
else
{
ipl.CurrentProductLinkRangeEndIndex = ipl.CurrentProductLinkRangeStartIndex - 1;
ipl.CurrentProductLinkRangeStartIndex = ipl.CurrentProductLinkRangeEndIndex - range_size + 1;
if (ipl.CurrentProductLinkRangeStartIndex < 0)
{
ipl.CurrentProductLinkRangeStartIndex = 0;
}
if (ipl.CurrentProductLinkRangeEndIndex < 0)
{
ipl.CurrentProductLinkRangeEndIndex = -1;
}
}
return(ipl);
}
