public async Task <ICollection <Product> > GetProductsAsync(int categoryId)
{
string cacheFileName = string.Format("SubProductsOfCategoryId{0}", categoryId);
try
{
// Retrieve the items from the cache
return(await _cacheService.GetDataAsync <ICollection <Product> >(cacheFileName));
}
catch (FileNotFoundException)
{
}
// Retrieve the items from the service
var products = await _productCatalogService.GetProductsAsync(categoryId);
await _cacheService.SaveDataAsync(cacheFileName, products);
return(products);
}
public async Task <IEnumerable <Product> > GetProductsAsync()
{
return(await _productCatalogService.GetProductsAsync());
}