feat: 直播列表

lib/pages/live/controller.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:pilipala/http/live.dart';
+import 'package:pilipala/models/live/item.dart';
+
+class LiveController extends GetxController {
+  final ScrollController scrollController = ScrollController();
+  int count = 12;
+  int _currentPage = 1;
+  int crossAxisCount = 2;
+  RxList<LiveItemModel> liveList = [LiveItemModel()].obs;
+  bool isLoadingMore = false;
+  bool flag = false;
+  OverlayEntry? popupDialog;
+
+  // 获取推荐
+  Future queryLiveList(type) async {
+    if (type == 'init') {
+      _currentPage = 1;
+    }
+    var res = await LiveHttp.liveList(
+      pn: _currentPage,
+    );
+    if (res['status']) {
+      if (type == 'init') {
+        liveList.value = res['data'];
+      } else if (type == 'onLoad') {
+        liveList.addAll(res['data']);
+      }
+      _currentPage += 1;
+    }
+    isLoadingMore = false;
+    return res;
+  }
+
+  // 下拉刷新
+  Future onRefresh() async {
+    queryLiveList('init');
+  }
+
+  // 上拉加载
+  Future onLoad() async {
+    queryLiveList('onLoad');
+  }
+
+  // 返回顶部并刷新
+  void animateToTop() async {
+    if (scrollController.offset >=
+        MediaQuery.of(Get.context!).size.height * 5) {
+      scrollController.jumpTo(0);
+    } else {
+      await scrollController.animateTo(0,
+          duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
+    }
+  }
+}