cssd/lib/pages/MyPackagesPages/Result/my_packages_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_packages.dart';
import 'package:cssd/widgets/CycleScreens/Result/banner.dart';
import 'package:cssd/widgets/Global/internet_error.dart';
import 'package:cssd/widgets/MyPackagesScreens/Result/package_requests_data_box.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

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

  @override
  State<MyPackagesRequestsScreen> createState() =>
      _MyPackagesRequestsScreenState();
}

class _MyPackagesRequestsScreenState extends State<MyPackagesRequestsScreen> {
  bool _isInit = true;
  ScrollController? sc;

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

  @override
  void didChangeDependencies() {
    if (_isInit) {
      var packageResults = Provider.of<MyPackageProvider>(context);
      packageResults.setLoading();
      packageResults.resetPageNumber();
        packageResults.getMyPackageRequests().then(
          (_) {
            packageResults.resetLoading();
            sc?.addListener(
              () {
                if (sc!.position.pixels == sc!.position.maxScrollExtent) {
                  var packageResults = Provider.of<MyPackageProvider>(
                    context,
                    listen: false,
                  );
                  packageResults.getMyPackageRequests();
                }
              },
            );
          },
        );
    }
    _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.myPackagesFilterScreen,
                    ),
                    SizedBox(
                      height: 20,
                    ),
                    Expanded(
                      child: Consumer<MyPackageProvider>(
                        builder: (context, packageResults, _) {
                          return packageResults.isloading
                              ? Center(
                                  child: CircularProgressIndicator(
                                    color: Colors.black,
                                  ),
                                )
                              : ListView.builder(
                                  controller: sc,
                                  itemBuilder: (context, index) {
                                    return PackageRequestsDataBox(
                                      deviceBlockSize: _deviceBlockSize,
                                      isAdmin:
                                          userData['roles']?.contains('User')
                                              ? false
                                              : true,
                                      package: packageResults
                                          .originalMyPackagesRequests?[index],
                                    );
                                  },
	                                itemCount: packageResults
                                      .originalMyPackagesRequests?.length,
                                  shrinkWrap: true,
                                );
                        },
                      ),
                    ),
                  ],
                ),
              )
            : ConnectionErrorBox();
      },
    );
  }
}