chore: refresh gramsrv public release

internal/app/files/upload_gc.go

@@ -0,0 +1,67 @@
+package files
+
+import (
+	"context"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+// UploadPartGCWorker 周期性清理未组装的过期上传分片。
+type UploadPartGCWorker struct {
+	files    *Service
+	logger   *zap.Logger
+	ttl      time.Duration
+	interval time.Duration
+	batch    int
+}
+
+func NewUploadPartGCWorker(files *Service, logger *zap.Logger, ttl, interval time.Duration, batch int) *UploadPartGCWorker {
+	if logger == nil {
+		logger = zap.NewNop()
+	}
+	if ttl <= 0 {
+		ttl = DefaultUploadPartTTL
+	}
+	if interval <= 0 {
+		interval = DefaultUploadPartGCInterval
+	}
+	if batch <= 0 {
+		batch = DefaultUploadPartGCBatch
+	}
+	return &UploadPartGCWorker{
+		files:    files,
+		logger:   logger,
+		ttl:      ttl,
+		interval: interval,
+		batch:    batch,
+	}
+}
+
+func (w *UploadPartGCWorker) Run(ctx context.Context) {
+	w.runOnce(ctx)
+	ticker := time.NewTicker(w.interval)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			w.runOnce(ctx)
+		}
+	}
+}
+
+func (w *UploadPartGCWorker) runOnce(ctx context.Context) {
+	if w.files == nil {
+		return
+	}
+	deleted, err := w.files.DeleteExpiredUploadParts(ctx, time.Now().Add(-w.ttl), w.batch)
+	if err != nil {
+		w.logger.Warn("清理过期 upload_parts 失败", zap.Error(err))
+		return
+	}
+	if deleted > 0 {
+		w.logger.Info("清理过期 upload_parts 完成", zap.Int64("deleted", deleted))
+	}
+}