deepvoice_client/lib/modules/meeting/controllers/meeting_controller.dart

import 'package:flutter/material.dart';
import 'package:get/get.dart';

import '../../../data/services/db/sqflite_api.dart';

class MeetingController extends GetxController {
  final ScrollController listController = ScrollController();

  // 是否还有更多数据
  bool isLoadingMore = true;
  int page = 1;

  TextEditingController titleController = TextEditingController(); // 录音标题

  RxList dataList = [].obs;

  @override
  void onInit() {
    super.onInit();
    listController.addListener(_onScroll);
    _getDataList();
  }

  @override
  void onClose() {
    listController.dispose();
    titleController.dispose();
    super.onClose();
  }

  void _onScroll() {
    if (isLoadingMore &&
        listController.position.pixels >=
            listController.position.maxScrollExtent - 100) {
      page++;
      _getDataList();
    }
  }

  // 请求本地数据
  void _getDataList() async {
    List list = await SqfliteApi.getMeetingList(page);
    dataList.addAll(list);
    if (list.length < 10) {
      isLoadingMore = false;
    } else {
      isLoadingMore = true;
    }
  }

  // 修改标题
  void editMeetingTitle(int id, String title) async {
    if (title.isEmpty) return;
    SqfliteApi.editMeetingTitle(id, title);
    int index = dataList.indexWhere((item) => item['id'] == id);
    if (index != -1) {
      final dataMap = Map<String, dynamic>.from(dataList[index]);
      dataMap['title'] = title;
      dataList[index] = dataMap;
    }
    Get.back();
  }

  // 删除数据
  void deleteMeeting(int id) {
    dataList.removeWhere((item) => item['id'] == id);
    // 删除数据库中的记录
    SqfliteApi.deleteMeeting(id);
  }
}