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ProductCacheEventConsumer.cs

using Nop.Core.Caching;
using Nop.Core.Domain.Catalog;
using Nop.Core.Domain.Orders;
using Nop.Services.Caching;
using Nop.Services.Discounts;

namespace Nop.Services.Catalog.Caching;

/// 
/// Represents a product cache event consumer
/// 
public partial class ProductCacheEventConsumer : CacheEventConsumer
{
    /// 
    /// Clear cache data
    /// 
    /// Entity
    /// Entity event type
    /// A task that represents the asynchronous operation
    protected override async Task ClearCacheAsync(Product entity, EntityEventType entityEventType)
    {
        await RemoveByPrefixAsync(NopCatalogDefaults.ProductManufacturersByProductPrefix, entity);
        await RemoveAsync(NopCatalogDefaults.ProductsHomepageCacheKey);
        await RemoveByPrefixAsync(NopCatalogDefaults.ProductPricePrefix, entity);
        await RemoveByPrefixAsync(NopCatalogDefaults.ProductMultiplePricePrefix, entity);
        await RemoveByPrefixAsync(NopEntityCacheDefaults.AllPrefix);
        await RemoveByPrefixAsync(NopCatalogDefaults.FeaturedProductIdsPrefix);

        if (entityEventType == EntityEventType.Delete)
        {
            await RemoveByPrefixAsync(NopCatalogDefaults.FilterableSpecificationAttributeOptionsPrefix);
            await RemoveByPrefixAsync(NopCatalogDefaults.ManufacturersByCategoryPrefix);
        }

        await RemoveAsync(NopDiscountDefaults.AppliedDiscountsCacheKey, nameof(Product), entity);

        await base.ClearCacheAsync(entity, entityEventType);
    }
}