add functionality to clean button

pkg/manager/task_clean.go

@@ -0,0 +1,42 @@
+package manager
+
+import (
+	"context"
+	"github.com/stashapp/stash/pkg/database"
+	"github.com/stashapp/stash/pkg/logger"
+	"github.com/stashapp/stash/pkg/models"
+	"os"
+	"strconv"
+	"sync"
+)
+
+type CleanTask struct {
+	Scene models.Scene
+}
+
+func (t *CleanTask) Start(wg *sync.WaitGroup) {
+	defer wg.Done()
+
+	if t.fileExists(t.Scene.Path) {
+		logger.Debugf("Found: %s", t.Scene.Path)
+	} else {
+		logger.Debugf("Deleting missing file: %s", t.Scene.Path)
+		t.deleteScene(strconv.Itoa(t.Scene.ID))
+	}
+}
+
+func (t *CleanTask) deleteScene(id string) {
+	ctx := context.TODO()
+	qb := models.NewSceneQueryBuilder()
+	tx := database.DB.MustBeginTx(ctx, nil)
+	defer tx.Commit()
+	qb.Destroy(strconv.Itoa(t.Scene.ID), tx)
+}
+
+func (t *CleanTask) fileExists(filename string) bool {
+	info, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}