public DiscountListView()
{
InitializeComponent();
discountListViewModel = new DiscountListViewModel(Navigation);
BindingContext = discountListViewModel;
}
public ActionResult DiscountList(string vCity, string vZip, ShoppingCart cart, BrowseHistory bh)
{
DiscountListViewModel dlv = new DiscountListViewModel();
dlv.History = bh;
dlv.LBizInfos = BizInfoRepository.GetBizInfosByCityZip(vCity, vZip).Where(e => e.HasDiscountCoupons || e.HasFreeItemCoupons).ToList();
ViewBag.bagitems = GetCartItems(cart);
return(View(dlv));
}
/// <summary>
/// 优惠列表查询
/// </summary>
public ActionResult DiscountList(DiscountListSearchModel search)
{
DiscountListViewModel model = new DiscountListViewModel(); //页面模型
model.search = search; //页面的搜索模型
model.search.PageSize = 15; //每页显示
model.search.CurrentPage = Convert.ToInt32(Request["pageindex"]) <= 0 ? 1 : Convert.ToInt32(Request["pageindex"]); //当前页
//按钮下拉项
List <CommonEntity> SourceIL = CommonData.GetDictionaryList(15); //1是字典类型值,仅供测试参考
model.SourceIL = CommonData.Instance.GetBropDownListData(SourceIL);
model.Discountlist = DiscountData.GetDiscountList(search); //填充页面模型数据
return(View(model)); //返回页面模型
}
public async Task <IActionResult> Index(bool isSearch = false, string searchText = "", int?categoryId = null, bool backToParentCategory = false, string absoluteNavigationPath = null, string navigateToCategoryNamed = null)
{
ViewBag.CurrentPageNumber = startingPageNumber;
ViewBag.PreviousPageNumber = null;
ViewBag.NextPageNumber = 1;
ViewBag.SearchText = searchText; //Used for search pagination :(
ViewBag.IsSearch = isSearch; //Used for search pagination :(
Category currentCategory = null;
ICollection <Product> productsToView = null; // products to return in current page
ICollection <Product> filteredProducts = null; //Used for search
if (isSearch)
{
filteredProducts = await _productService.SearchForProducts(searchText);
}
ICollection <Category> selectableCategories = null;// navigation menu
if (categoryId == null)
{
if (navigateToCategoryNamed == null)// (GET)
{
// build menu
selectableCategories = await _navigationService.GetTopLevelCategoriesAsync();
//ViewBag.ParentCategoryId = null;
//ViewBag.AbsoluteNavigationPath = null;
ViewBag.CurrentCategoryId = categoryId;
if (!isSearch)
{
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(null, startingPageNumber, productsPerPage);
}
else
{
productsToView = filteredProducts.Skip(startingPageNumber * productsPerPage).Take(productsPerPage).ToList();
}
}
else// (POST) specific path segment selected ([segment]/.../...)
{
// get that category by name
currentCategory = await _navigationService.GetCategoryByName(navigateToCategoryNamed);
// build menu
selectableCategories = await _navigationService.GetChildCategoriesAsync(currentCategory);
// products to return
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(currentCategory, startingPageNumber, productsPerPage);
// get parent category by absoluteNavigationPath
string[] pathSegments = absoluteNavigationPath.Split("/");
pathSegments = pathSegments.Skip(1).ToArray();// remove empty segment ([empty segment]/[some segment]/...)
int parentCategoryIndexInPath = Array.IndexOf(pathSegments, navigateToCategoryNamed);
string newAbsoluteNavigationPath = null;
string parentCategoryName = null;
await Task.Run(() =>
{
for (int i = 0; i < pathSegments.Count(); i++)
{
if (i == parentCategoryIndexInPath)
{
parentCategoryName = pathSegments[i];
}
if (i <= parentCategoryIndexInPath)
{
newAbsoluteNavigationPath += ("/" + pathSegments[i]);
}
}
});
Category parentCategory = await _navigationService.GetCategoryByName(parentCategoryName);
ViewBag.ParentCategoryId = parentCategory.Id;
ViewBag.AbsoluteNavigationPath = newAbsoluteNavigationPath;
ViewBag.CurrentCategoryName = parentCategory.Name;
ViewBag.CurrentCategoryId = currentCategory.Id;
}
}
else// (POST) backward and forward navigation
{
currentCategory = await _navigationService.GetCategoryById(categoryId);
if (backToParentCategory)// Backward navigation
{
absoluteNavigationPath = await _navigationService.RemoveLastUriSegmentAsync(absoluteNavigationPath);
ViewBag.AbsoluteNavigationPath = absoluteNavigationPath;
selectableCategories = null;// navigation menu
Category parentCategory = null;
// categories may have multiple parent-categories
ICollection <Category> parentCategories = await _navigationService.GetParentCategoriesAsync(currentCategory);
if (!parentCategories.Any())// already a top-level category
{
selectableCategories = await _navigationService.GetTopLevelCategoriesAsync();
ViewBag.ParentCategoryId = null;
ViewBag.CurrentCategoryId = currentCategory.Id;
ViewBag.AbsoluteNavigationPath = null;
ViewBag.CurrentCategoryName = null;
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(null, startingPageNumber, productsPerPage);
// for later page count calculation
currentCategory = null;
}
else// not a top-level category
{
foreach (Category pCategory in parentCategories)
{
// search for parent-category based on absoluteNavigationPath last segment
if (pCategory.Name.Equals(absoluteNavigationPath.Split('/').Last()))
{
parentCategory = pCategory;
break;
}
}
// build menu
selectableCategories = await _navigationService.GetChildCategoriesAsync(parentCategory);
ViewBag.CurrentCategoryName = parentCategory.Name;
ViewBag.ParentCategoryId = parentCategory.Id;
ViewBag.CurrentCategoryId = parentCategory.Id;
// products to return
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(parentCategory, startingPageNumber, productsPerPage);
// for later page count calculation
currentCategory = parentCategory;
}
}
else // Forward navigation
{
// Add new segment to absoluteNavigationPath
absoluteNavigationPath += ("/" + currentCategory.Name);
ViewBag.AbsoluteNavigationPath = absoluteNavigationPath;
// build menu
selectableCategories = selectableCategories = await _navigationService.GetChildCategoriesAsync(currentCategory);
ViewBag.CurrentCategoryName = currentCategory.Name;
ViewBag.ParentCategoryId = categoryId;
ViewBag.CurrentCategoryId = currentCategory.Id;
// products to return
if (categoryId == null)
{
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(null, startingPageNumber, productsPerPage);
}
else
{
productsToView = await _navigationService.GetProductsInCategoryByPageAsync(currentCategory, startingPageNumber, productsPerPage);
}
}
}
int pageCount = 0;
if (!isSearch)
{
pageCount = await _navigationService.GetProductsInCategoryPageCount(currentCategory, productsPerPage);
}
else //If search
{
pageCount = filteredProducts.Count / productsPerPage;
if (filteredProducts.Count % productsPerPage != 0)
{
pageCount++;
}
}
ViewBag.PageCount = pageCount;
if (startingPageNumber + 1 < pageCount)
{
ViewBag.NextPageNumber = startingPageNumber + 1;
}
else
{
ViewBag.NextPageNumber = null;
}
ViewBag.TopLevelCategories = selectableCategories;
String[] allPrimaryImageLinks = await _productService.GetAllImages(productsToView);
ViewBag.AllPrimaryImageLinks = allPrimaryImageLinks;
// -----------------------------------------
ICollection <ProductAd> productAds = await _productService.GetProductAds();
ViewBag.ProductAds = productAds;
//------- discountai ------------//
DiscountListViewModel dlvm = await GetDiscountList(productsToView);
ViewBag.HasDiscountList = dlvm.HasDiscountList;
ViewBag.DiscountPriceList = dlvm.DiscountPriceList;
ViewBag.DiscountEndDateList = dlvm.DiscountEndDateList;
//------- atributai ------------//
AttributeListViewModel alvm = await GetAttributeListInCategory(currentCategory);
ViewBag.AttributeValues = alvm.AttributeValues;
ViewBag.Attributes = alvm.Attributes;
return(View(productsToView));
}
public async Task <IActionResult> FilterByAttributes(bool isSearch, string searchText, string attributeName, int pageCount, int?categoryId = null, int?parentCategoryId = null, ICollection <Category> topLevelCategories = null, string absoluteNavigationPath = null, int pageNumber = startingPageNumber)
{
ViewBag.ParentCategoryId = parentCategoryId;
ViewBag.AbsoluteNavigationPath = absoluteNavigationPath;
ViewBag.CurrentCategoryId = categoryId;
ViewBag.CurrentPageNumber = pageNumber;
ViewBag.IsSearch = isSearch; //Used for search pagination
ViewBag.SearchText = searchText; //Used for search pagination
Category category = null;
if (parentCategoryId != null)
{
category = await _navigationService.GetCategoryById(parentCategoryId);
}
pageCount = await _navigationService.GetProductsInCategoryPageCount(category, productsPerPage, attributeName);
ViewBag.PageCount = pageCount;
if (pageNumber + 1 < pageCount)
{
ViewBag.NextPageNumber = pageNumber + 1;
}
else
{
ViewBag.NextPageNumber = null;
}
if (pageNumber > 0)
{
ViewBag.PreviousPageNumber = pageNumber - 1;
}
else
{
ViewBag.PreviousPageNumber = null;
}
if (category == null)
{
ViewBag.TopLevelCategories = await _navigationService.GetTopLevelCategoriesAsync();
ViewBag.CurrentCategoryName = null;
ViewBag.AbsoluteNavigationPath = null;
}
else
{
ViewBag.TopLevelCategories = await _navigationService.GetChildCategoriesAsync(category);
ViewBag.CurrentCategoryName = category.Name;
}
ICollection <Product> products = await _navigationService.GetProductsInCategoryByPageAsync(category, pageNumber, productsPerPage, attributeName);
var listProducts = products.ToList();
//--------- images --------------//
ViewBag.AllPrimaryImageLinks = await GetProductImages(listProducts);
//---------- ads ----------------//
ICollection <ProductAd> productAds = await _productService.GetProductAds();
ViewBag.ProductAds = productAds;
//------- discountai ------------//
DiscountListViewModel dlvm = await GetDiscountList(listProducts);
ViewBag.HasDiscountList = dlvm.HasDiscountList;
ViewBag.DiscountPriceList = dlvm.DiscountPriceList;
ViewBag.DiscountEndDateList = dlvm.DiscountEndDateList;
//------- atributai ------------//
AttributeListViewModel alvm = await GetAttributeListInCategory(category);
ViewBag.AttributeValues = alvm.AttributeValues;
ViewBag.Attributes = alvm.Attributes;
ViewBag.SelectedAttributeValueName = attributeName;
return(View("Index", products));
}
public async Task <IActionResult> LoadPage(string attributeName, bool isSearch, string searchText, /* redundant --> */ int pageCount, int?categoryId = null, int?parentCategoryId = null, ICollection <Category> topLevelCategories = null, string absoluteNavigationPath = null, int pageNumber = startingPageNumber)
{
ViewBag.ParentCategoryId = parentCategoryId;
ViewBag.AbsoluteNavigationPath = absoluteNavigationPath;
ViewBag.CurrentCategoryId = categoryId;
ViewBag.CurrentPageNumber = pageNumber;
ViewBag.PageCount = pageCount;
ViewBag.IsSearch = isSearch; //Used for search pagination
ViewBag.SearchText = searchText; //Used for search pagination
if (pageNumber + 1 < pageCount)
{
ViewBag.NextPageNumber = pageNumber + 1;
}
else
{
ViewBag.NextPageNumber = null;
}
if (pageNumber > 0)
{
ViewBag.PreviousPageNumber = pageNumber - 1;
}
else
{
ViewBag.PreviousPageNumber = null;
}
Category category = null;
if (parentCategoryId != null)
{
category = await _navigationService.GetCategoryById(parentCategoryId);
}
ICollection <Product> products = new List <Product>();
if (!isSearch)
{
if (category == null)
{
ViewBag.TopLevelCategories = await _navigationService.GetTopLevelCategoriesAsync();
ViewBag.CurrentCategoryName = null;
ViewBag.AbsoluteNavigationPath = null;
}
else
{
ViewBag.TopLevelCategories = await _navigationService.GetChildCategoriesAsync(category);
ViewBag.CurrentCategoryName = category.Name;
}
products = await _navigationService.GetProductsInCategoryByPageAsync(category, pageNumber, productsPerPage);
}
else //If it's search state
{
//To prevent null reference
ViewBag.TopLevelCategories = await _navigationService.GetTopLevelCategoriesAsync();
ViewBag.CurrentCategoryName = null;
ViewBag.AbsoluteNavigationPath = null;
products = await _productService.GetAllProducts();
products = products.Where(p => p.Name.Contains(searchText)).ToList();
products = products.Skip(pageNumber * productsPerPage).Take(productsPerPage).ToList();
}
var listProducts = products.ToList();
String[] allPrimaryImageLinks = await _productService.GetAllImages(products); //Retrieve all image links
ViewBag.AllPrimaryImageLinks = allPrimaryImageLinks;
// -----------------------------------------
ICollection <ProductAd> productAds = await _productService.GetProductAds();
ViewBag.ProductAds = productAds;
//------- discountai ------------//
DiscountListViewModel dlvm = await GetDiscountList(listProducts);
ViewBag.HasDiscountList = dlvm.HasDiscountList;
ViewBag.DiscountPriceList = dlvm.DiscountPriceList;
ViewBag.DiscountEndDateList = dlvm.DiscountEndDateList;
//------- atributai ------------//
AttributeListViewModel alvm = await GetAttributeListInCategory(category);
ViewBag.AttributeValues = alvm.AttributeValues;
ViewBag.Attributes = alvm.Attributes;
ViewBag.SelectedAttributeValueName = attributeName;
return(View("Index", products));
}