app-starlock/lib/mine/message/messageList/messageList_logic.dart

import 'dart:async';

import 'package:star_lock/tools/baseGetXController.dart';
import '../../../network/api_repository.dart';
import '../../../tools/eventBusEventManage.dart';
import 'messageList_entity.dart';
import 'messageList_state.dart';

typedef BlockDeletSuccssCallback = void Function();

class MessageListLogic extends BaseGetXController {
  final MessageListState state = MessageListState();

  //请求消息列表
  Future<MessageListEntity> messageListDataRequest() async {
    final MessageListEntity entity = await ApiRepository.to
        .messageListLoadData(pageNo: pageNo.toString(), pageSize: pageSize);
    if (entity.errorCode!.codeIsSuccessful) {
      if (pageNo == 1) {
        state.itemDataList.value = entity.data!.list!;
        pageNo++;
      } else {
        if (entity.data!.list!.isNotEmpty) {
          state.itemDataList.value.addAll(entity.data!.list!);
          pageNo++;
        }
      }
    }
    return entity;
  }

  // 删除消息
  Future<void> deletMessageDataRequest(String messageId,
      BlockDeletSuccssCallback blockDeletSuccssCallback) async {
    final MessageListEntity entity =
        await ApiRepository.to.deletMessageLoadData(messageId: messageId);
    if (entity.errorCode!.codeIsSuccessful) {
      blockDeletSuccssCallback();
    }
  }

  // 清空消息
  Future<void> deletAllMessageDataRequest() async {
    final MessageListEntity entity =
        await ApiRepository.to.deletAllMessageLoadData();
    if (entity.errorCode!.codeIsSuccessful) {
      pageNo = 1;
      messageListDataRequest();
    }
  }

  // 刷新消息列表
  StreamSubscription? _readMessageRefreshUIEvent;

  void _readMessageRefreshUIAction() {
    // 蓝牙协议通知传输跟蓝牙之外的数据传输类不一样 eventBus
    _readMessageRefreshUIEvent =
        eventBus.on<ReadMessageRefreshUI>().listen((event) {
      pageNo = 1;
      messageListDataRequest();
    });
  }

  @override
  void onReady() {
    super.onReady();
    // messageListDataRequest();

    _readMessageRefreshUIAction();

    // 收到切换语言消息，重新拉取一下列表
    eventBus
        .on<ChangeLanguageBlockLastLanguageEvent>()
        .listen((ChangeLanguageBlockLastLanguageEvent event) {
      pageNo = 1;
      messageListDataRequest();
    });
  }

  @override
  void onClose() {
    super.onClose();
    _readMessageRefreshUIEvent?.cancel();
  }
}