app/lib/paegs/gang_page/application_page/application_page.dart

import 'dart:convert';

import 'package:bbyyy/beans/my_shop_bean_entity.dart';
import 'package:bbyyy/https/MyDio.dart';
import 'package:bbyyy/my_tools/dims.dart';
import 'package:bbyyy/my_tools/event_bus.dart';
import 'package:bbyyy/my_tools/my_colors.dart';
import 'package:bbyyy/my_tools/my_cookie.dart';
import 'package:bbyyy/my_tools/my_tools.dart';
import 'package:bbyyy/my_tools/my_views.dart';
import 'package:flutter/material.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';

class ApplicationPage extends StatefulWidget {
  @override
  _ApplicationPageState createState() => _ApplicationPageState();
}

class _ApplicationPageState extends State<ApplicationPage> {
  RefreshController controller = RefreshController(initialRefresh: true);
  int page = 1;
  List<MyShopBeanDataData> data = [];

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    EventBus().on('申请页面返回', (arg) {
      controller.requestRefresh();
    });
  }
  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    EventBus().off('申请页面返回');
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        children: [
          MyViews().myAppBar('入帮申请', context, []),
          Expanded(
            child: SmartRefresher(
              controller: controller,
              onLoading: onLoading,
              onRefresh: onRefresh,
              enablePullUp: true,
              enablePullDown: true,
              child: data.length==0?Center(child: MyViews().myText('暂无申请', MyColors.c333333, 16),):ListView.builder(
                itemBuilder: (c, index) {
                  return MyViews().getApplicationItems(data[index], context);
                },
                itemCount: data.length,
                padding: EdgeInsets.only(top: 10),
              ),
            ),
          )
        ],
      ),
    );
  }

  void onLoading() {
    page++;
    enquiryApplication();
  }

  void onRefresh() {
    page = 1;
    enquiryApplication();
  }

  enquiryApplication() {
    MyDio().query({
      "key": "shop_user",
      "filters": {
        "conditions": [
          "role!=0",
          "owner_uid==${MyCookie().getUID()}",
          "review_state==0"
        ]
      },
      "dims": shopUserDims,
      "paging": [page, 20]
    }, (response, hasError) {
      if (!hasError) {
        MyShopBeanEntity entity =
        MyShopBeanEntity().fromJson(json.decode(response.data.toString()));
        if (page == 1) {
          data.clear();
        }
        data.addAll(entity.data.data);
      }
      setState(() {
        endRe(controller);
      });
    }, (error) {});
  }
}