win (#1240)

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/utils/fav_utils.dart

@@ -0,0 +1,19 @@
+class FavUtils {
+  static bool isDefaultFav(int? attr) {
+    if (attr == null) {
+      return false;
+    }
+    return (attr & 2) == 0;
+  }
+
+  static String isPublicFavText(int? attr) {
+    if (attr == null) {
+      return '';
+    }
+    return isPublicFav(attr) ? '公开' : '私密';
+  }
+
+  static bool isPublicFav(int attr) {
+    return (attr & 1) == 0;
+  }
+}