using NPin.Framework.SettingManagement.Domain.Entities;
using Volo.Abp.Caching;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Domain.Entities.Events;
using Volo.Abp.EventBus;

namespace NPin.Framework.SettingManagement.Domain.Caching;

/// <summary>
/// 设置缓存项 过期
/// 变动时 过期
/// </summary>
public class SettingCacheItemInvalidator : ILocalEventHandler<EntityChangedEventData<SettingEntity>>,
    ITransientDependency
{
    protected IDistributedCache<SettingCacheItem> Cache { get; }

    public SettingCacheItemInvalidator(IDistributedCache<SettingCacheItem> cache)
    {
        Cache = cache;
    }

    public virtual async Task HandleEventAsync(EntityChangedEventData<SettingEntity> eventData)
    {
        var entity = eventData.Entity;
        var cacheKey = CalculateCacheKey(
            entity.Name,
            entity.ProviderName,
            entity.ProviderKey);

        await Cache.RemoveAsync(cacheKey, considerUow: true);
    }

    protected virtual string CalculateCacheKey(string name, string providerName, string providerKey)
    {
        return SettingCacheItem.CalculateCacheKey(name, providerName, providerKey);
    }
}