tweaks

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

lib/utils/bili_utils.dart

@@ -0,0 +1,28 @@
+abstract final class BiliUtils {
+  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;
+  }
+
+  static bool isCustomFollowTag(int? tagid) {
+    return tagid != null && tagid != 0 && tagid != -10 && tagid != -2;
+  }
+
+  static String levelName(
+    Object level, {
+    bool isSeniorMember = false,
+  }) => 'assets/images/lv/lv${isSeniorMember ? '6_s' : level}.png';
+}