feat:支持排行榜功能

lib/pages/rank/controller.dart

@@ -0,0 +1,70 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:hive/hive.dart';
+import 'package:pilipala/models/common/rank_type.dart';
+import 'package:pilipala/utils/storage.dart';
+
+class RankController extends GetxController with GetTickerProviderStateMixin {
+  bool flag = false;
+  late RxList tabs = [].obs;
+  RxInt initialIndex = 1.obs;
+  late TabController tabController;
+  late List tabsCtrList;
+  late List<Widget> tabsPageList;
+  Box setting = GStrorage.setting;
+  late final StreamController<bool> searchBarStream =
+      StreamController<bool>.broadcast();
+  late bool enableGradientBg;
+
+  @override
+  void onInit() {
+    super.onInit();
+    enableGradientBg =
+        setting.get(SettingBoxKey.enableGradientBg, defaultValue: true);
+    // 进行tabs配置
+    setTabConfig();
+  }
+
+  void onRefresh() {
+    int index = tabController.index;
+    var ctr = tabsCtrList[index];
+    ctr().onRefresh();
+  }
+
+  void animateToTop() {
+    int index = tabController.index;
+    var ctr = tabsCtrList[index];
+    ctr().animateToTop();
+  }
+
+  void setTabConfig() async {
+    tabs.value = tabsConfig;
+    initialIndex.value = 0;
+    tabsCtrList = tabs.map((e) => e['ctr']).toList();
+    tabsPageList = tabs.map<Widget>((e) => e['page']).toList();
+
+    tabController = TabController(
+      initialIndex: initialIndex.value,
+      length: tabs.length,
+      vsync: this,
+    );
+    // 监听 tabController 切换
+    if (enableGradientBg) {
+      tabController.animation!.addListener(() {
+        if (tabController.indexIsChanging) {
+          if (initialIndex.value != tabController.index) {
+            initialIndex.value = tabController.index;
+          }
+        } else {
+          final int temp = tabController.animation!.value.round();
+          if (initialIndex.value != temp) {
+            initialIndex.value = temp;
+            tabController.index = initialIndex.value;
+          }
+        }
+      });
+    }
+  }
+}