fix(uploads): serve private previews through API and show batch cover status

services/api/internal/uploads/uploads_test.go

@@ -23,6 +23,20 @@ import (
 
 type failingReader struct{ err error }
 
+func TestBatchCoverPresenceInFileDTO(t *testing.T) {
+	h := NewHandler(nil, nil)
+	for _, tc := range []struct {
+		path *string
+		want bool
+	}{
+		{nil, false}, {nullable(""), false}, {nullable("covers/album.jpg"), true},
+	} {
+		got := h.fileDTO(context.Background(), File{CoverPath: tc.path})
+		require.NotNil(t, got.BatchHasCover)
+		require.Equal(t, tc.want, *got.BatchHasCover)
+	}
+}
+
 func (r failingReader) Read([]byte) (int, error) { return 0, r.err }
 
 func TestTusInterruptedWriteCanResume(t *testing.T) {