[Files Refactor] Object file management (#2790)

* Add Make Primary file function
* Add delete file functionality

internal/api/resolver_mutation_file.go

@@ -0,0 +1,74 @@
+package api
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/stashapp/stash/pkg/file"
+	"github.com/stashapp/stash/pkg/sliceutil/stringslice"
+)
+
+func (r *mutationResolver) DeleteFiles(ctx context.Context, ids []string) (ret bool, err error) {
+	fileIDs, err := stringslice.StringSliceToIntSlice(ids)
+	if err != nil {
+		return false, err
+	}
+
+	fileDeleter := file.NewDeleter()
+	destroyer := &file.ZipDestroyer{
+		FileDestroyer:   r.repository.File,
+		FolderDestroyer: r.repository.Folder,
+	}
+
+	if err := r.withTxn(ctx, func(ctx context.Context) error {
+		qb := r.repository.File
+
+		for _, fileIDInt := range fileIDs {
+			fileID := file.ID(fileIDInt)
+			f, err := qb.Find(ctx, fileID)
+			if err != nil {
+				return err
+			}
+
+			path := f[0].Base().Path
+
+			// ensure not a primary file
+			isPrimary, err := qb.IsPrimary(ctx, fileID)
+			if err != nil {
+				return fmt.Errorf("checking if file %s is primary: %w", path, err)
+			}
+
+			if isPrimary {
+				return fmt.Errorf("cannot delete primary file %s", path)
+			}
+
+			// destroy files in zip file
+			inZip, err := qb.FindByZipFileID(ctx, fileID)
+			if err != nil {
+				return fmt.Errorf("finding zip file contents for %s: %w", path, err)
+			}
+
+			for _, ff := range inZip {
+				const deleteFileInZip = false
+				if err := file.Destroy(ctx, qb, ff, fileDeleter, deleteFileInZip); err != nil {
+					return fmt.Errorf("destroying file %s: %w", ff.Base().Path, err)
+				}
+			}
+
+			const deleteFile = true
+			if err := destroyer.DestroyZip(ctx, f[0], fileDeleter, deleteFile); err != nil {
+				return fmt.Errorf("deleting file %s: %w", path, err)
+			}
+		}
+
+		return nil
+	}); err != nil {
+		fileDeleter.Rollback()
+		return false, err
+	}
+
+	// perform the post-commit actions
+	fileDeleter.Commit()
+
+	return true, nil
+}