actions-test/lib/screens/room/new.dart

import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:outbag_app/backend/errors.dart';
import 'package:outbag_app/backend/request.dart';
import 'package:outbag_app/backend/room.dart';
import 'package:outbag_app/backend/user.dart';
import 'package:outbag_app/tools/fetch_wrapper.dart';
import 'package:outbag_app/tools/snackbar.dart';
import 'package:routemaster/routemaster.dart';
import 'dart:math';

class NewRoomPage extends StatefulWidget {
  const NewRoomPage({super.key});

  @override
  State<StatefulWidget> createState() => _NewRoomPageState();
}

class _NewRoomPageState extends State {
  final TextEditingController _ctrID = TextEditingController();
  final TextEditingController _ctrName = TextEditingController();
  final TextEditingController _ctrDescription = TextEditingController();
  RoomVisibility _ctrVis = RoomVisibility.private;
  RoomIcon _ctrIcon = RoomIcon.other;

  bool showSpinner = false;

  @override
  Widget build(BuildContext context) {
    final textTheme = Theme.of(context)
        .textTheme
        .apply(displayColor: Theme.of(context).colorScheme.onSurface);

    double width = MediaQuery.of(context).size.width;
    double height = MediaQuery.of(context).size.height;
    double smallest = min(min(width, height), 400);

    return showSpinner
        ? Scaffold(
            body: Center(
                child: Column(
                    crossAxisAlignment: CrossAxisAlignment.center,
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                const CircularProgressIndicator(),
                Text('Loading', style: textTheme.titleLarge),
              ])))
        : Scaffold(
            appBar: AppBar(
              title: const Text('New Room'),
              leading: IconButton(
                onPressed: () {
                  // go back
                  Routemaster.of(context).history.back();
                },
                icon: const Icon(Icons.arrow_back),
                tooltip: "Go back",
              ),
            ),
            body: Center(
                child: Flexible(
                    child: ConstrainedBox(
                        constraints: const BoxConstraints(maxWidth: 400),
                        child: Column(
                          mainAxisAlignment: MainAxisAlignment.center,
                          crossAxisAlignment: CrossAxisAlignment.center,
                          children: [
                            IconButton(
                              icon: SvgPicture.asset(
                                _ctrIcon.img,
                                width: smallest * 0.3,
                                height: smallest * 0.3,
                              ),
                              tooltip: 'Change room icon',
                              onPressed: () {
                                showDialog(
                                    context: context,
                                    builder: (ctx) => AlertDialog(
                                          title:
                                              const Text('Choose a room Icon'),
                                          actions: const [],
                                          content: SizedBox(
                                              width: smallest * 0.3 * 3,
                                              height: smallest * 0.3 * 3,
                                              child: GridView.count(
                                                  crossAxisCount: 3,
                                                  children: RoomIcon.list()
                                                      .map((icon) {
                                                    return GridTile(
                                                        child: IconButton(
                                                            icon: SvgPicture
                                                                .asset(
                                                              icon.img,
                                                              width: smallest *
                                                                  0.3,
                                                              height: smallest *
                                                                  0.3,
                                                            ),
                                                            tooltip: icon.text,
                                                            onPressed: () {
                                                              setState(() {
                                                                _ctrIcon = icon;
                                                              });
                                                              Navigator.of(
                                                                      context)
                                                                  .pop();
                                                            }));
                                                  }).toList())),
                                        ));
                              },
                            ),
                            Padding(
                              padding: const EdgeInsets.all(8),
                              child: TextField(
                                controller: _ctrID,
                                keyboardType: TextInputType.emailAddress,
                                decoration: const InputDecoration(
                                  prefixIcon: Icon(Icons.fact_check),
                                  labelText: 'Room ID',
                                  hintText: 'Unique room id',
                                  helperText:
                                      'the room id and server tag allow the room to be identified',
                                  border: OutlineInputBorder(),
                                ),
                              ),
                            ),
                            Padding(
                              padding: const EdgeInsets.all(8),
                              child: TextField(
                                controller: _ctrName,
                                keyboardType: TextInputType.name,
                                decoration: const InputDecoration(
                                  prefixIcon: Icon(Icons.badge),
                                  labelText: 'Room Name',
                                  hintText: 'Give your room a name',
                                  helperText:
                                      'Easily identify a room with a human readable name',
                                  border: OutlineInputBorder(),
                                ),
                              ),
                            ),
                            Padding(
                              padding: const EdgeInsets.all(8),
                              child: TextField(
                                controller: _ctrDescription,
                                keyboardType: TextInputType.text,
                                decoration: const InputDecoration(
                                  prefixIcon: Icon(Icons.dns),
                                  labelText: 'Room Description',
                                  hintText: 'Briefly describe your Room',
                                  helperText:
                                      'Make it easier for other to know what this room is used for',
                                  border: OutlineInputBorder(),
                                ),
                              ),
                            ),
                            Text('Visibility', style: textTheme.labelLarge),
                            Text('Specify who has access to your room',
                                style: textTheme.bodySmall),
                            SegmentedButton<RoomVisibility>(
                              showSelectedIcon: true,
                              multiSelectionEnabled: false,
                              emptySelectionAllowed: false,
                              segments: RoomVisibility.list().map((vis) {
                                return ButtonSegment<RoomVisibility>(
                                    value: vis,
                                    label: Text(vis.text),
                                    icon: Icon(vis.icon));
                              }).toList(),
                              onSelectionChanged: ((vset) {
                                setState(() {
                                  _ctrVis = vset.single;
                                });
                              }),
                              selected: {_ctrVis},
                              selectedIcon: Icon(_ctrVis.icon),
                            ),
                          ],
                        )))),
                        floatingActionButton: FloatingActionButton.extended(
                          onPressed: () async {
                            final scaffMgr = ScaffoldMessenger.of(context);
                            final rmaster = Routemaster.of(context);

                            // ID should be at least three characters long
                            if (_ctrID.text.length < 3) {
                              showSimpleSnackbar(scaffMgr,
                                text: _ctrID.text.isEmpty
                                ? 'Please specify a Room ID'
                                : 'Room ID has to be at least three characters long',
                                action: 'OK');

                              return;
                            }

                            // name may not be empty
                            if (_ctrName.text.isEmpty) {
                              showSimpleSnackbar(
                                scaffMgr,
                                text: 'Please specify a room name',
                                action: 'OK'
                              );

                              return;
                            }

                            User user;
                            try {
                              user = await User.fromDisk();
                            } catch (_) {
                              // user data invalid
                              // shouldn't happen
                              return;
                            }

                            final room = Room(
                              id: _ctrID.text,
                              serverTag: user.server.tag,
                              name: _ctrName.text,
                              description: _ctrDescription.text,
                              icon: _ctrIcon,
                              visibility: _ctrVis);

                            doNetworkRequest(scaffMgr,
                              req: (_) => postWithCreadentials(
                                target: user.server,
                                credentials: user,
                                path: 'createRoom',
                                body: {
                                  'room': room.id,
                                  'title': room.name,
                                  'description': room.description,
                                  'icon': room.icon?.type,
                                  'visibility': room.visibility?.type
                              }),
                              onOK: (_) async {
                                // room was created
                                // save room
                                await room.toDisk();
                                // move to home page
                                rmaster.replace('/');
                              },
                              // we manually fetch the user data above
                              // because we need the serverTag
                              needUser: false);
                          },
                label: const Text('Create'),
                icon: const Icon(Icons.add)),
          );
  }
}