/// <summary>
/// Method to retrieve and cache category name by its ID
/// </summary>
/// <param name="categoryId">Category id</param>
/// <returns>Category name</returns>
public static string GetCategoryName(string categoryId)
{
Category category = new Category();
if (!enableCaching)
return category.GetCategory(categoryId).Name;
string cacheKey = string.Format(CATEGORY_NAME_KEY, categoryId);
// Check if the data exists in the data cache
string data = (string)HttpRuntime.Cache[cacheKey];
if (data == null) {
// Caching duration from Web.config
int cacheDuration = int.Parse(ConfigurationManager.AppSettings["CategoryCacheDuration"]);
// If the data is not in the cache then fetch the data from the business logic tier
data = category.GetCategory(categoryId).Name;
// Create a AggregateCacheDependency object from the factory
AggregateCacheDependency cd = DependencyFacade.GetCategoryDependency();
// Store the output in the data cache, and Add the necessary AggregateCacheDependency object
HttpRuntime.Cache.Add(cacheKey, data, cd, DateTime.Now.AddHours(cacheDuration), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return data;
}
public Product[] GetProducts()
{
var categorySvc = new bll.Category();
var categories = categorySvc.GetCategories().Select(x => x.Id);
var products = new List <Product>();
var productSvc = new bll.Product();
foreach (var category in categories)
{
var productInfos = productSvc.GetProductsByCategory(category);
products.AddRange(productInfos.Select(x =>
{
return(new Product
{
ProductId = x.Id,
CategoryId = x.CategoryId,
Description = x.Description,
ImageUrl = x.Image,
Name = x.Name
});
}));
}
return(products.ToArray());
}
public Category GetCategoryById(string categoryId)
{
var svc = new bll.Category();
var categoryInfo = svc.GetCategory(categoryId);
var category = new Category
{
CategoryId = categoryInfo.Id,
Description = categoryInfo.Description,
Name = categoryInfo.Name
};
return(category);
}
public Category[] GetCategories()
{
var svc = new bll.Category();
var categories = svc.GetCategories().Select(x =>
{
return(new Category
{
CategoryId = x.Id,
Description = x.Description,
Name = x.Name
});
});
return(categories.ToArray());
}
/// <summary>
/// This method acts as a proxy between the web and business components to check whether the
/// underlying data has already been cached.
/// </summary>
/// <returns>List of CategoryInfo from Cache or Business component</returns>
public static IList<CategoryInfo> GetCategories()
{
Category cat = new Category();
if (!enableCaching)
return cat.GetCategories();
string key = "category_all";
IList<CategoryInfo> data = (IList<CategoryInfo>)HttpRuntime.Cache[key];
// Check if the data exists in the data cache
if (data == null) {
// If the data is not in the cache then fetch the data from the business logic tier
data = cat.GetCategories();
// Create a AggregateCacheDependency object from the factory
AggregateCacheDependency cd = DependencyFacade.GetCategoryDependency();
// Store the output in the data cache, and Add the necessary AggregateCacheDependency object
HttpRuntime.Cache.Add(key, data, cd, DateTime.Now.AddHours(categoryTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return data;
}
// Bind categories
private void BindCategories()
{
Category category = new Category();
repCategories.DataSource = category.GetCategories();
repCategories.DataBind();
}
