message_model.dart 3.54 KB
import 'package:flutter/material.dart';
import 'package:one_key/constant/constant.dart';
import 'package:one_key/constant/error.dart';
import 'package:one_key/constant/state.dart';
import 'package:one_key/models/message.dart';
import 'package:one_key/net/base_resp.dart';
import 'package:one_key/net/dio_util.dart';
import 'package:one_key/net/http_url.dart';

class MessageModel extends ChangeNotifier {
  List<Message> messages = []; //消息
  PageState pageState = PageState.Loading;
  // 未处理消息总数
  int onlineTotal = 0; //在线消息
  int inlineTotal = 0; //内部消息
  int orderTotal = 0; //提前点餐
  int checkTotal = 0; //在线买单

  initData() {
    messages = []; //消息
    pageState = PageState.Loading;
  }

  //获取消息
  getMessages(BuildContext context, Map<String, String> params,
      {showLoading = true}) async {
    if (showLoading) {
      pageState = PageState.Loading;
      messages = [];
      notifyListeners();
    }
    BaseResp<List> baseResp = await DioUtil()
        .request<List>(context, Method.get, HttpUrl.get_message_list,
            data: params, showLoading: false)
        .catchError((error) {
      print(error.toString());
      if (error is MyError) {
        switch (error.type) {
          case 1:
            pageState = PageState.ConnectivityError;
            break;
          case 2:
            pageState = PageState.ConnectivityTimeOut;
            break;
          default:
            pageState = PageState.ConnectivityError;
            break;
        }
      }
      notifyListeners();
    });
    if (baseResp != null && baseResp.code == Constant.status_success) {
      if (params['offset'] == "0") {
        messages = baseResp.data.map<Message>((value) {
          return Message.fromJson(value);
        }).toList();
      } else {
        messages.addAll(baseResp.data.map<Message>((value) {
          return Message.fromJson(value);
        }).toList());
      }

      // if(params["type_id"]=="10"){//在线预订
      //   messages.removeWhere((message) {
      //     if (message.message_type.toString() == "10") {//在线预订
      //       if (message.status == "4") {//已取消
      //         return true;
      //       }
      //       return false;
      //     } else if (message.message_type.toString() == "11") {//取消在线预订
      //       return false;
      //     }
      //     return true;
      //   });
      // }
      if (messages.isEmpty) {
        pageState = PageState.Empty;
      } else {
        pageState = PageState.Success;
      }
      notifyListeners();
    }
  }

  //获取未处理消息数目
  getUnMsgNum(BuildContext context, Map<String, String> params) async {
    BaseResp<Map<String, dynamic>> baseResp = await DioUtil()
        .request<Map<String, dynamic>>(
            context, Method.get, HttpUrl.get_message_num,
            data: params, showLoading: false)
        .catchError((error) {
      print(error.toString());
    });
    if (baseResp != null && baseResp.code == Constant.status_success) {
      onlineTotal = int.parse(baseResp.data['online_total'].toString());
      inlineTotal = int.parse(baseResp.data['inline_total'].toString());
      orderTotal = int.parse(baseResp.data['order_total'].toString());
      checkTotal = int.parse(baseResp.data['check_total'].toString());
      notifyListeners();
    }
  }

  //根据消息id移除消息
  removeUntreatedMessageByMid(String mid) {
    messages.removeWhere((element) => element.id == mid);
    if (messages.length == 0) {
      pageState = PageState.Empty;
    }
    notifyListeners();
  }
}