Method AsyncSearchWithResult

plugin/plugin.go:785–958

AsyncSearchWithResult 异步搜索方法，返回PluginSearchResult

(
	keyword string,
	searchFunc func(*http.Client, string, map[string]interface{}) ([]model.SearchResult, error),
	mainCacheKey string,
	ext map[string]interface{},
)

// AsyncSearchWithResult 异步搜索方法，返回PluginSearchResult
func (p *BaseAsyncPlugin) AsyncSearchWithResult(
	keyword string,
	searchFunc func(*http.Client, string, map[string]interface{}) ([]model.SearchResult, error),
	mainCacheKey string,
	ext map[string]interface{},
) (model.PluginSearchResult, error) {
	// 确保ext不为nil
	if ext == nil {
		ext = make(map[string]interface{})
	}
	
	now := time.Now()
	
	// 修改缓存键，确保包含插件名称
	pluginSpecificCacheKey := fmt.Sprintf("%s:%s", p.name, keyword)
	
	// 检查缓存
	if cachedItems, ok := apiResponseCache.Load(pluginSpecificCacheKey); ok {
		cachedResult := cachedItems.(cachedResponse)
		
		// 缓存完全有效（未过期且完整）
		if time.Since(cachedResult.Timestamp) < p.cacheTTL && cachedResult.Complete {
			recordCacheHit()
			recordCacheAccess(pluginSpecificCacheKey)
			
			// 如果缓存接近过期（已用时间超过TTL的80%），在后台刷新缓存
			if time.Since(cachedResult.Timestamp) > (p.cacheTTL * 4 / 5) {
				go p.refreshCacheInBackground(keyword, pluginSpecificCacheKey, searchFunc, cachedResult, mainCacheKey, ext)
			}
			
			return model.PluginSearchResult{
				Results:   cachedResult.Results,
				IsFinal:   cachedResult.Complete,
				Timestamp: cachedResult.Timestamp,
				Source:    p.name,
				Message:   "从缓存获取",
			}, nil
		}
		
		// 缓存已过期但有结果，启动后台刷新，同时返回旧结果
		if len(cachedResult.Results) > 0 {
			recordCacheHit()
			recordCacheAccess(pluginSpecificCacheKey)
			
			// 标记为部分过期
			if time.Since(cachedResult.Timestamp) >= p.cacheTTL {
				// 在后台刷新缓存
				go p.refreshCacheInBackground(keyword, pluginSpecificCacheKey, searchFunc, cachedResult, mainCacheKey, ext)
			}
			
			return model.PluginSearchResult{
				Results:   cachedResult.Results,
				IsFinal:   false, // 🔥 过期数据标记为非最终结果
				Timestamp: cachedResult.Timestamp,
				Source:    p.name,
				Message:   "缓存已过期，后台刷新中",
			}, nil
		}