PiliPlus/lib/pages/live/controller.dart

import 'package:PiliPlus/http/loading_state.dart';
import 'package:PiliPlus/http/live.dart';
import 'package:PiliPlus/models/live/follow.dart';
import 'package:PiliPlus/models/live/item.dart';
import 'package:PiliPlus/pages/common/common_list_controller.dart';
import 'package:PiliPlus/utils/extension.dart';
import 'package:PiliPlus/utils/storage.dart';
import 'package:get/get_rx/src/rx_types/rx_types.dart';

class LiveController
    extends CommonListController<List<LiveItemModel>?, LiveItemModel> {
  @override
  void onInit() {
    super.onInit();
    queryData();
    if (isLogin.value) {
      fetchLiveFollowing();
    }
  }

  @override
  Future<LoadingState<List<LiveItemModel>?>> customGetData() =>
      LiveHttp.liveList(pn: currentPage);

  @override
  Future onRefresh() {
    fetchLiveFollowing();
    return super.onRefresh();
  }

  late RxBool isLogin = Accounts.main.isLogin.obs;
  late Rx<LoadingState> followListState = LoadingState.loading().obs;
  late int followPage = 1;
  late bool followEnd = false;
  late RxInt liveCount = 0.obs;

  Future fetchLiveFollowing([bool isRefresh = true]) async {
    if (isRefresh.not && followEnd) {
      return;
    }
    if (isRefresh) {
      followPage = 1;
      followEnd = false;
    }
    dynamic res = await LiveHttp.liveFollowing(pn: followPage, ps: 20);
    if (res['status']) {
      LiveFollowingModel data = res['data'];
      liveCount.value = data.liveCount ?? 0;
      List<LiveFollowingItemModel>? dataList = data.list
          ?.where((LiveFollowingItemModel item) =>
              item.liveStatus == 1 && item.recordLiveTime == 0)
          .toList();
      if (dataList.isNullOrEmpty) {
        followEnd = true;
        if (isRefresh) {
          followListState.value = LoadingState.success(dataList);
        }
        return;
      }
      if (isRefresh) {
        if (dataList!.length >= liveCount.value) {
          followEnd = true;
        }
        followListState.value = LoadingState.success(dataList);
      } else if (followListState.value is Success) {
        List<LiveFollowingItemModel> list =
            (followListState.value as Success).response;
        list.addAll(dataList!);
        if (list.length >= liveCount.value) {
          followEnd = true;
        }
        followListState.refresh();
      }
      followPage++;
    } else if (isRefresh) {
      followListState.value = LoadingState.error(res['msg']);
    }
  }
}