isekai_wiki_app/lib/models/favorite_list.dart

import 'package:get/get.dart';
import 'package:isekai_wiki/api/response/page_info.dart';
import 'package:isekai_wiki/models/user.dart';
import 'package:isekai_wiki/utils/dialog.dart';

class FavoriteListController extends GetxController {
  var pageIds = RxList<int>();

  void updateFromPageList(List<PageInfo> list) {
    List<int> addList = [];
    List<int> removeList = [];
    for (var pageInfo in list) {
      if (pageInfo.inwatchlist != null) {
        if (pageInfo.inwatchlist!) {
          addList.add(pageInfo.pageid);
        } else {
          removeList.add(pageInfo.pageid);
        }
      }
    }

    var newPageIds =
        pageIds.where((pageId) => !removeList.contains(pageId)).toList();
    for (var pageId in addList) {
      if (!newPageIds.contains(pageId)) {
        newPageIds.add(pageId);
      }
    }

    pageIds.value = newPageIds;
  }

  void updateFromWatchList(List<PageInfo> list) {
    List<int> addList = [];
    for (var pageInfo in list) {
      addList.add(pageInfo.pageid);
    }

    for (var pageId in addList) {
      if (!pageIds.contains(pageId)) {
        pageIds.add(pageId);
      }
    }
  }

  bool isFavorite(PageInfo pageInfo) {
    return pageIds.contains(pageInfo.pageid);
  }

  Future<bool> setFavorite(
      PageInfo pageInfo, bool isFavorite, bool showToast) async {
    // 如果未登录，则提示需要登录
    var uc = Get.find<UserController>();
    if (!uc.isLoggedIn) {
      var result = await confirm(Get.overlayContext!, "使用收藏功能需要登录",
          title: "提示", positiveText: "登录");
      return false;
    }

    return false;
  }
}