cssd/lib/pages/MyItemsPages/Result/my_items_requests_screen.dart

// ignore_for_file: public_member_api_docs, sort_constructors_first
import 'package:cssd/config/routes.dart';
import 'package:cssd/providers/auth.dart';
import 'package:cssd/providers/connectivity.dart';
import 'package:cssd/providers/my_items.dart';
import 'package:cssd/widgets/CycleScreens/Result/banner.dart';
import 'package:cssd/widgets/Global/internet_error.dart';
import 'package:cssd/widgets/MyItemsScreens/Result/item_requests_data_box.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

class MyItemsRequestsScreen extends StatefulWidget {
  final bool? isAdmin;
  const MyItemsRequestsScreen({
    Key? key,
    this.isAdmin,
  }) : super(key: key);

  @override
  State<MyItemsRequestsScreen> createState() => _MyItemsRequestsScreenState();
}

class _MyItemsRequestsScreenState extends State<MyItemsRequestsScreen> {
  bool _isInit = true;
  ScrollController? sc;

  @override
  void initState() {
    super.initState();
  }

  @override
  void didChangeDependencies() {
    if (_isInit) {
      var itemResults = Provider.of<MyItemProvider>(context);
      itemResults.setLoading();
      itemResults.resetPageNumber();
	      itemResults.getMyItemRequests().then(
        (_) {
          itemResults.resetLoading();
          sc?.addListener(
            () {
              if (sc!.position.pixels == sc!.position.maxScrollExtent) {
                var itemResults = Provider.of<MyItemProvider>(
                  context,
                  listen: false,
                );
                itemResults.getMyItemRequests();
              }
            },
          );
        },
      );
    }
    _isInit = false;
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    final _media = MediaQuery.of(context);
    final double _devicewidth = _media.size.width;
    final double _deviceBlockSize = _devicewidth / 100;
    final userData = Provider.of<Auth>(context, listen: false).user;
    return Consumer<ConnectivityProvider>(
      builder: (ct, connection, _) {
        return connection.conStatus != 'offline'
            ? Padding(
                padding: EdgeInsets.only(
                  top: 20,
                  right: 20,
                  bottom: 60,
                  left: 20,
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: <Widget>[
                    ResultBanner(
                      deviceBlockSize: _deviceBlockSize,
                      text: 'My Requests',
                      hasFilterObject: false,
                      push: Routes.myItemsFilterScreen,
                    ),
                    SizedBox(
                      height: 20,
                    ),
                    Expanded(
                      child: Consumer<MyItemProvider>(
                        builder: (context, itemResults, _) {
                          return itemResults.isloading
                              ? Center(
                                  child: CircularProgressIndicator(
                                    color: Colors.black,
                                  ),
                                )
                              : ListView.builder(
                                  controller: sc,
                                  itemBuilder: (context, index) {
	                                    return RequestsDataBox(
                                        deviceBlockSize: _deviceBlockSize,
                                        isAdmin:
                                            userData['roles']?.contains('User')
                                                ? false
                                                : true,
                                        item: itemResults
                                            .originalMyItemsRequests?[index],
                                    );
                                  },
	                                itemCount: itemResults
                                    .originalMyItemsRequests?.length,
                                  shrinkWrap: true,
                                );
                        },
                      ),
                    ),
                  ],
                ),
              )
            : ConnectionErrorBox();
      },
    );
  }
}