stash/pkg/manager/task_clean.go

145 lines
3.2 KiB
Go

package manager
import (
"context"
"os"
"path/filepath"
"strings"
"sync"
"github.com/stashapp/stash/pkg/database"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/manager/config"
"github.com/stashapp/stash/pkg/manager/paths"
"github.com/stashapp/stash/pkg/models"
)
type CleanTask struct {
Scene *models.Scene
Gallery *models.Gallery
fileNamingAlgorithm models.HashAlgorithm
}
func (t *CleanTask) Start(wg *sync.WaitGroup) {
defer wg.Done()
if t.Scene != nil && t.shouldClean(t.Scene.Path) {
t.deleteScene(t.Scene.ID)
}
if t.Gallery != nil && t.shouldCleanGallery(t.Gallery) {
t.deleteGallery(t.Gallery.ID)
}
}
func (t *CleanTask) shouldClean(path string) bool {
fileExists, err := t.fileExists(path)
if err != nil {
logger.Errorf("Error checking existence of %s: %s", path, err.Error())
return false
}
if fileExists && t.pathInStash(path) {
logger.Debugf("File Found: %s", path)
if matchFile(path, config.GetExcludes()) {
logger.Infof("File matched regex. Cleaning: \"%s\"", path)
return true
}
} else {
logger.Infof("File not found. Cleaning: \"%s\"", path)
return true
}
return false
}
func (t *CleanTask) shouldCleanGallery(g *models.Gallery) bool {
if t.shouldClean(g.Path) {
return true
}
if t.Gallery.CountFiles() == 0 {
logger.Infof("Gallery has 0 images. Cleaning: \"%s\"", g.Path)
return true
}
return false
}
func (t *CleanTask) deleteScene(sceneID int) {
ctx := context.TODO()
qb := models.NewSceneQueryBuilder()
tx := database.DB.MustBeginTx(ctx, nil)
scene, err := qb.Find(sceneID)
err = DestroyScene(sceneID, tx)
if err != nil {
logger.Errorf("Error deleting scene from database: %s", err.Error())
tx.Rollback()
return
}
if err := tx.Commit(); err != nil {
logger.Errorf("Error deleting scene from database: %s", err.Error())
return
}
DeleteGeneratedSceneFiles(scene, t.fileNamingAlgorithm)
}
func (t *CleanTask) deleteGallery(galleryID int) {
ctx := context.TODO()
qb := models.NewGalleryQueryBuilder()
tx := database.DB.MustBeginTx(ctx, nil)
err := qb.Destroy(galleryID, tx)
if err != nil {
logger.Errorf("Error deleting gallery from database: %s", err.Error())
tx.Rollback()
return
}
if err := tx.Commit(); err != nil {
logger.Errorf("Error deleting gallery from database: %s", err.Error())
return
}
pathErr := os.RemoveAll(paths.GetGthumbDir(t.Gallery.Checksum)) // remove cache dir of gallery
if pathErr != nil {
logger.Errorf("Error deleting gallery directory from cache: %s", pathErr)
}
}
func (t *CleanTask) fileExists(filename string) (bool, error) {
info, err := os.Stat(filename)
if os.IsNotExist(err) {
return false, nil
}
// handle if error is something else
if err != nil {
return false, err
}
return !info.IsDir(), nil
}
func (t *CleanTask) pathInStash(pathToCheck string) bool {
for _, path := range config.GetStashPaths() {
rel, error := filepath.Rel(path, filepath.Dir(pathToCheck))
if error == nil {
if !strings.HasPrefix(rel, ".."+string(filepath.Separator)) {
logger.Debugf("File %s belongs to stash path %s", pathToCheck, path)
return true
}
}
}
logger.Debugf("File %s is out from stash path", pathToCheck)
return false
}