53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package vault
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import (
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"fmt"
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"os"
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"path/filepath"
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"time"
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)
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type TrashFailure struct {
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ID string `json:"id"`
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Error string `json:"error"`
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}
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type TrashPurgeResult struct {
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Deleted []string `json:"deleted"`
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Failed []TrashFailure `json:"failed"`
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}
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// PurgeTrash 在与恢复相同的写锁内读取元数据并清理。days=0 清空所有；
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// 自动清理的“永不删除”由调用方处理，不调用本方法。
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func (v *Vault) PurgeTrash(days int64, now time.Time) (TrashPurgeResult, error) {
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v.mu.Lock()
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defer v.mu.Unlock()
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result := TrashPurgeResult{Deleted: []string{}, Failed: []TrashFailure{}}
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if days < 0 {
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return result, fmt.Errorf("保留天数不能为负数")
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}
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dirs, err := os.ReadDir(v.trash)
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if err != nil {
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return result, err
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}
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for _, dir := range dirs {
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id := dir.Name()
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if !trashIDPattern.MatchString(id) {
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continue // 不删除非本程序管理的文件。
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}
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item, err := v.readTrashItem(id)
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if err == nil && days > 0 && (item.DeletedAt > now.UnixMilli() || (now.UnixMilli()-item.DeletedAt)/int64(24*time.Hour/time.Millisecond) < days) {
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continue
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}
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if err == nil {
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err = os.RemoveAll(filepath.Join(v.trash, id))
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}
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if err != nil {
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result.Failed = append(result.Failed, TrashFailure{ID: id, Error: err.Error()})
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} else {
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result.Deleted = append(result.Deleted, id)
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}
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}
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return result, nil
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}
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