Add Clean generated files task (#4607)

* Add clean generate task
* Add to library tasks
* Save and read defaults
* Stop handling and logging
* Make filename parsing more robust

pkg/models/repository.go

@@ -14,6 +14,7 @@ type TxnManager interface {
 type Repository struct {
 	TxnManager TxnManager
 
+	Blob           BlobReader
 	File           FileReaderWriter
 	Folder         FolderReaderWriter
 	Gallery        GalleryReaderWriter

pkg/models/repository_blob.go

@@ -0,0 +1,8 @@
+package models
+
+import "context"
+
+// FileGetter provides methods to get files by ID.
+type BlobReader interface {
+	EntryExists(ctx context.Context, checksum string) (bool, error)
+}

pkg/sqlite/blob.go

@@ -235,6 +235,17 @@ func (qb *BlobStore) readFromFilesystem(ctx context.Context, checksum string) ([
 	}
 }
 
+func (qb *BlobStore) EntryExists(ctx context.Context, checksum string) (bool, error) {
+	q := dialect.From(qb.table()).Select(goqu.COUNT("*")).Where(qb.tableMgr.byID(checksum))
+
+	var found int
+	if err := querySimple(ctx, q, &found); err != nil {
+		return false, fmt.Errorf("querying %s: %w", qb.table(), err)
+	}
+
+	return found != 0, nil
+}
+
 // Read reads the data from the database or filesystem, depending on which is enabled.
 func (qb *BlobStore) Read(ctx context.Context, checksum string) ([]byte, error) {
 	if !qb.options.UseDatabase && !qb.options.UseFilesystem {

pkg/sqlite/transaction.go

@@ -126,6 +126,7 @@ func (db *Database) IsLocked(err error) bool {
 func (db *Database) Repository() models.Repository {
 	return models.Repository{
 		TxnManager:     db,
+		Blob:           db.Blobs,
 		File:           db.File,
 		Folder:         db.Folder,
 		Gallery:        db.Gallery,