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feat(task): 优化文件列表获取逻辑并添加缓存机制
- 实现按时间前缀获取文件列表,支持小时级目录检索 - 添加降级机制,当时间前缀方式无法找到文件时回退到按天目录 - 在适配器层添加单例模式和客户端连接池管理 - 为S3和AliOSS适配器添加文件列表缓存功能 - 修复跨天任务处理逻辑,约束业务不支持跨天操作 - 优化文件去重逻辑,避免重复处理相同文件 - 添加详细的链路追踪和错误处理机制
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@@ -9,6 +9,7 @@ import (
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"fmt"
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"path"
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"sort"
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"sync"
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"time"
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"github.com/aliyun/aliyun-oss-go-sdk/oss"
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@@ -18,25 +19,44 @@ import (
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)
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type AliOSSAdapter struct {
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StorageConfig config.StorageConfig
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ossClient *oss.Client
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StorageConfig config.StorageConfig
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fileListCacheOnce sync.Once
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fileListCache *fileListCache
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clientOnce sync.Once
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clientErr error
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ossClient *oss.Client
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}
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func (a *AliOSSAdapter) getClient() (*oss.Client, error) {
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if a.ossClient == nil {
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a.clientOnce.Do(func() {
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client, err := oss.New(
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a.StorageConfig.AliOSS.Endpoint,
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a.StorageConfig.AliOSS.AccessKeyId,
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a.StorageConfig.AliOSS.AccessKeySecret,
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)
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if err != nil {
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return nil, fmt.Errorf("创建阿里云OSS客户端失败: %w", err)
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a.clientErr = fmt.Errorf("创建阿里云OSS客户端失败: %w", err)
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return
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}
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a.ossClient = client
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})
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if a.clientErr != nil {
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return nil, a.clientErr
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}
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if a.ossClient == nil {
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return nil, fmt.Errorf("阿里云OSS客户端未初始化")
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}
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return a.ossClient, nil
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}
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func (a *AliOSSAdapter) getFileListCache() *fileListCache {
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a.fileListCacheOnce.Do(func() {
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a.fileListCache = newFileListCache(getFileListCacheTTL(), getFileListCacheMaxEntries())
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})
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return a.fileListCache
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}
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func (a *AliOSSAdapter) GetFileList(ctx context.Context, dirPath string, relDt time.Time) ([]dto.File, error) {
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_, span := tracer.Start(ctx, "GetFileList_alioss")
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defer span.End()
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@@ -50,7 +70,7 @@ func (a *AliOSSAdapter) GetFileList(ctx context.Context, dirPath string, relDt t
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}
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cacheKey := fmt.Sprintf("%s_%s", dirPath, relDt.Format("2006-01-02"))
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fileListCache := getAliOssFileListCache()
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fileListCache := a.getFileListCache()
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if cachedFiles, ok := fileListCache.Get(cacheKey); ok {
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logger.Debug("获取已缓存列表", zap.String("cacheKey", cacheKey))
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span.SetAttributes(attribute.Bool("cache.hit", true))
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