Solian/lib/screens/chat/channel/editor.dart

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Dart
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import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:http/http.dart';
import 'package:provider/provider.dart';
import 'package:solian/models/channel.dart';
import 'package:solian/providers/auth.dart';
import 'package:solian/router.dart';
import 'package:solian/utils/service_url.dart';
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import 'package:solian/widgets/exts.dart';
import 'package:solian/widgets/indent_wrapper.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:uuid/uuid.dart';
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class ChannelEditorScreen extends StatefulWidget {
final Channel? editing;
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const ChannelEditorScreen({super.key, this.editing});
@override
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State<ChannelEditorScreen> createState() => _ChannelEditorScreenState();
}
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class _ChannelEditorScreenState extends State<ChannelEditorScreen> {
final _aliasController = TextEditingController();
final _nameController = TextEditingController();
final _descriptionController = TextEditingController();
bool _isSubmitting = false;
Future<void> applyChannel(BuildContext context) async {
setState(() => _isSubmitting = true);
final auth = context.read<AuthProvider>();
if (!await auth.isAuthorized()) {
setState(() => _isSubmitting = false);
return;
}
final uri = widget.editing == null
? getRequestUri('messaging', '/api/channels')
: getRequestUri('messaging', '/api/channels/${widget.editing!.id}');
final req = Request(widget.editing == null ? "POST" : "PUT", uri);
req.headers['Content-Type'] = 'application/json';
req.body = jsonEncode(<String, dynamic>{
'alias': _aliasController.value.text.toLowerCase(),
'name': _nameController.value.text,
'description': _descriptionController.value.text,
});
var res = await Response.fromStream(await auth.client!.send(req));
if (res.statusCode != 200) {
var message = utf8.decode(res.bodyBytes);
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context.showErrorDialog(message);
} else {
if (router.canPop()) {
router.pop(true);
}
}
setState(() => _isSubmitting = false);
}
void randomizeAlias() {
_aliasController.text = const Uuid().v4().replaceAll('-', '');
}
void cancelEditing() {
if (router.canPop()) {
router.pop(false);
}
}
@override
void initState() {
if (widget.editing != null) {
_aliasController.text = widget.editing!.alias;
_nameController.text = widget.editing!.name;
_descriptionController.text = widget.editing!.description;
}
super.initState();
}
@override
Widget build(BuildContext context) {
final editingBanner = MaterialBanner(
padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 20),
leading: const Icon(Icons.edit_note),
backgroundColor: const Color(0xFFE0E0E0),
dividerColor: const Color.fromARGB(1, 0, 0, 0),
content: Text(AppLocalizations.of(context)!.chatChannelEditNotify),
actions: [
TextButton(
child: Text(AppLocalizations.of(context)!.cancel),
onPressed: () => cancelEditing(),
),
],
);
return IndentWrapper(
hideDrawer: true,
title: AppLocalizations.of(context)!.chatChannelOrganize,
appBarActions: <Widget>[
TextButton(
onPressed: !_isSubmitting ? () => applyChannel(context) : null,
child: Text(AppLocalizations.of(context)!.apply.toUpperCase()),
),
],
child: Center(
child: Container(
constraints: const BoxConstraints(maxWidth: 640),
child: Column(
children: [
_isSubmitting ? const LinearProgressIndicator().animate().scaleX() : Container(),
ListTile(
title: Text(AppLocalizations.of(context)!.chatChannelUsage),
subtitle: Text(AppLocalizations.of(context)!.chatChannelUsageCaption),
leading: const CircleAvatar(
backgroundColor: Colors.teal,
child: Icon(Icons.tag, color: Colors.white),
),
),
const Divider(thickness: 0.3),
Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 2),
child: Row(
children: [
Expanded(
child: TextField(
autofocus: true,
controller: _aliasController,
decoration: InputDecoration.collapsed(
hintText: AppLocalizations.of(context)!.chatChannelAliasLabel,
),
onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
),
),
TextButton(
style: TextButton.styleFrom(
shape: const CircleBorder(),
visualDensity: const VisualDensity(horizontal: -2, vertical: -2),
),
onPressed: () => randomizeAlias(),
child: const Icon(Icons.refresh),
)
],
),
),
const Divider(thickness: 0.3),
Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: TextField(
autocorrect: true,
controller: _nameController,
decoration: InputDecoration.collapsed(
hintText: AppLocalizations.of(context)!.chatChannelNameLabel,
),
onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
),
),
const Divider(thickness: 0.3),
Expanded(
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
child: TextField(
minLines: 5,
maxLines: null,
autocorrect: true,
keyboardType: TextInputType.multiline,
controller: _descriptionController,
decoration: InputDecoration.collapsed(
hintText: AppLocalizations.of(context)!.chatChannelDescriptionLabel,
),
onTapOutside: (_) => FocusManager.instance.primaryFocus?.unfocus(),
),
),
),
widget.editing != null ? editingBanner : Container(),
],
),
),
),
);
}
}