81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package vault
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import (
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"fmt"
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"strings"
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)
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type CleanupResult struct {
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Deleted []TrashItem `json:"deleted"`
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Skipped []CleanupSkip `json:"skipped"`
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}
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type CleanupSkip struct {
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Path string `json:"path"`
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Reason string `json:"reason"`
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}
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// CleanupImages 在写锁内重新扫描引用；派生索引不作为删除依据。
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// protected 返回当前有效分享的主体路径，由业务数据拥有者在检查时读取。
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func (v *Vault) CleanupImages(paths []string, protected func() ([]string, error)) (CleanupResult, error) {
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result := CleanupResult{Deleted: []TrashItem{}, Skipped: []CleanupSkip{}}
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v.mu.Lock()
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defer v.mu.Unlock()
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entries, err := v.Tree()
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if err != nil {
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return result, err
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}
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references := map[string]bool{}
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for _, entry := range entries {
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if entry.Dir || !IsNote(entry.Path) {
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continue
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}
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content, _, err := v.Read(entry.Path)
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if err != nil {
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return result, err
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}
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metadata := Analyze(entry.Path, content)
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if len(metadata.Warnings) > 0 {
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return result, fmt.Errorf("%w：%s 的元数据异常，无法确认全库引用：%s", ErrInvalidPath, entry.Path, metadata.Warnings[0])
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}
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for _, ref := range metadata.Assets {
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references[ref.Target] = true
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}
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}
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scopes, err := protected()
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if err != nil {
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return result, err
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}
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seen := map[string]bool{}
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for _, p := range paths {
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if seen[p] {
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continue
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}
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seen[p] = true
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reason := ""
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switch {
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case !IsImage(p):
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reason = "不是图片文件"
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case references[p]:
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reason = "仍被笔记引用"
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default:
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for _, scope := range scopes {
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if p == scope || strings.HasPrefix(p, scope+"/") || IsNote(scope) && strings.HasPrefix(p, AssetsDir(scope)+"/") {
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reason = "仍在有效分享范围内"
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break
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}
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}
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}
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if reason != "" {
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result.Skipped = append(result.Skipped, CleanupSkip{p, reason})
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continue
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}
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item, err := v.deleteLocked(p)
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if err != nil {
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result.Skipped = append(result.Skipped, CleanupSkip{p, err.Error()})
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continue
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}
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result.Deleted = append(result.Deleted, item)
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}
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return result, nil
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}
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