YYHome/packages/cpt_facility/lib/modules/booking/facility_booking_view_model.dart

import 'package:cs_resources/generated/l10n.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:shared/utils/log_utils.dart';
import 'package:shared/utils/util.dart';
import 'package:widgets/load_state_layout.dart';
import '../book_confirm/book_confirm_page.dart';
import 'facility_booking_state.dart';

part 'facility_booking_view_model.g.dart';

@riverpod
class FacilityBookingViewModel extends _$FacilityBookingViewModel {
  @override
  FacilityBookingState build() {
    final state = FacilityBookingState(
      selectedDate: DateTime.now(),
      datas: [],
    );
    initListener(state);
    ref.onDispose(() {
      onDispose(state);
    });

    return state;
  }

  //修改选中的时间
  void changeSelectedDate(DateTime dateTime) {
    state = state.copyWith(selectedDate: dateTime);
    Log.d("当前选中的日期：$dateTime");
    fetchListByDate();
  }

  //失败的重试
  void retryRequest() {
    fetchListByDate();
  }

  /// 获取服务器数据
  Future fetchListByDate() async {
    state = state.copyWith(loadingState: LoadState.State_Loading);

    await Future.delayed(const Duration(milliseconds: 1500));

    List<String> list = ["Orange Room", "Purple Room", "Red Room"];

    if (list.isNotEmpty) {
      //加载成功
      state = state.copyWith(datas: list, loadingState: LoadState.State_Success);
    } else {
      //无数据
      state = state.copyWith(datas: [], loadingState: LoadState.State_Empty);
    }
  }

  void initListener(FacilityBookingState state) {}

  void onDispose(FacilityBookingState state) {
    Log.d("FacilityBookingViewModel - onDispose");
  }

  //去付款确认页面
  void gotoConfirmPage() {
    BookConfirmPage.startInstance();
  }
}