message_model.dart 3.84 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

  List<Message> unMessagesOnline = []; //未读在线消息(取消预定和新的预订)
  List<Message> unMessagesOrder = []; //未读提前点餐消息
  PageState pageState = PageState.Loading;

  int onlineTotal = 0; //未处理在线消息数目
  int inlineTotal = 0; //未处理内部消息数目
  int orderTotal = 0; //未处理提前点餐消息数目

  //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["status"] == '0') {
        //未读消息数据
        //1提前点餐2内部预订 在线预订展示包括取消预订和新的预定 "type_id"
        if (params["type_id"] == '1') {
          unMessagesOrder = messages;
        } else {
          unMessagesOnline = messages;
        }
      }
      // 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());
      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();
  }
}