fluffychat/lib/views/invitation_selection.dart

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Dart
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import 'dart:async';
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import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/adaptive_page_layout.dart';
import 'package:fluffychat/components/avatar.dart';
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import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
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import 'package:fluffychat/components/matrix.dart';
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import 'package:fluffychat/l10n/l10n.dart';
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import 'package:flutter/material.dart';
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import 'package:bot_toast/bot_toast.dart';
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import 'chat_list.dart';
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class InvitationSelection extends StatefulWidget {
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final Room room;
const InvitationSelection(this.room, {Key key}) : super(key: key);
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@override
_InvitationSelectionState createState() => _InvitationSelectionState();
}
class _InvitationSelectionState extends State<InvitationSelection> {
TextEditingController controller = TextEditingController();
String currentSearchTerm;
bool loading = false;
List<Map<String, dynamic>> foundProfiles = [];
Timer coolDown;
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Future<List<User>> getContacts(BuildContext context) async {
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var client2 = Matrix.of(context).client;
final client = client2;
var participants = await widget.room.requestParticipants();
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participants.removeWhere(
(u) => ![Membership.join, Membership.invite].contains(u.membership),
);
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var contacts = <User>[];
var userMap = <String, bool>{};
for (var i = 0; i < client.rooms.length; i++) {
var roomUsers = client.rooms[i].getParticipants();
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for (var j = 0; j < roomUsers.length; j++) {
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if (userMap[roomUsers[j].id] != true &&
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participants.indexWhere((u) => u.id == roomUsers[j].id) == -1) {
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contacts.add(roomUsers[j]);
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}
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userMap[roomUsers[j].id] = true;
}
}
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contacts.sort(
(a, b) => a.calcDisplayname().toLowerCase().compareTo(
b.calcDisplayname().toLowerCase(),
),
);
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return contacts;
}
void inviteAction(BuildContext context, String id) async {
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final success = await SimpleDialogs(context).tryRequestWithLoadingDialog(
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widget.room.invite(id),
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);
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if (success != false) {
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BotToast.showText(text: L10n.of(context).contactHasBeenInvitedToTheGroup);
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}
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}
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void searchUserWithCoolDown(BuildContext context, String text) async {
coolDown?.cancel();
coolDown = Timer(
Duration(seconds: 1),
() => searchUser(context, text),
);
}
void searchUser(BuildContext context, String text) async {
coolDown?.cancel();
if (text.isEmpty) {
setState(() {
foundProfiles = [];
});
}
currentSearchTerm = text;
if (currentSearchTerm.isEmpty) return;
if (loading) return;
setState(() => loading = true);
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final matrix = Matrix.of(context);
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final response = await SimpleDialogs(context).tryRequestWithErrorToast(
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matrix.client.jsonRequest(
type: HTTPType.POST,
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action: '/client/r0/user_directory/search',
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data: {
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'search_term': text,
'limit': 10,
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}),
);
setState(() => loading = false);
if (response == false ||
!(response is Map) ||
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(response['results'] == null)) return;
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setState(() {
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foundProfiles = List<Map<String, dynamic>>.from(response['results']);
if ('@$text'.isValidMatrixId &&
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foundProfiles
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.indexWhere((profile) => '@$text' == profile['user_id']) ==
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-1) {
setState(() => foundProfiles = [
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{'user_id': '@$text'}
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]);
}
foundProfiles.removeWhere((profile) =>
widget.room
.getParticipants()
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.indexWhere((u) => u.id == profile['user_id']) !=
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-1);
});
}
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@override
Widget build(BuildContext context) {
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final groupName = widget.room.name?.isEmpty ?? false
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? L10n.of(context).group
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: widget.room.name;
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return AdaptivePageLayout(
primaryPage: FocusPage.SECOND,
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firstScaffold: ChatList(activeChat: widget.room.id),
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secondScaffold: Scaffold(
appBar: AppBar(
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title: Text(L10n.of(context).inviteContact),
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bottom: PreferredSize(
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preferredSize: Size.fromHeight(92),
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child: Padding(
padding: const EdgeInsets.all(16.0),
child: TextField(
controller: controller,
autofocus: true,
autocorrect: false,
textInputAction: TextInputAction.search,
onChanged: (String text) =>
searchUserWithCoolDown(context, text),
onSubmitted: (String text) => searchUser(context, text),
decoration: InputDecoration(
border: OutlineInputBorder(),
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prefixText: '@',
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hintText: L10n.of(context).username,
labelText: L10n.of(context).inviteContactToGroup(groupName),
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suffixIcon: loading
? Container(
padding: const EdgeInsets.all(8.0),
width: 12,
height: 12,
child: CircularProgressIndicator(),
)
: Icon(Icons.search),
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),
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),
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),
),
),
body: foundProfiles.isNotEmpty
? ListView.builder(
itemCount: foundProfiles.length,
itemBuilder: (BuildContext context, int i) => ListTile(
leading: Avatar(
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foundProfiles[i]['avatar_url'] == null
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? null
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: Uri.parse(foundProfiles[i]['avatar_url']),
foundProfiles[i]['display_name'] ??
foundProfiles[i]['user_id'],
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),
title: Text(
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foundProfiles[i]['display_name'] ??
(foundProfiles[i]['user_id'] as String).localpart,
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),
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subtitle: Text(foundProfiles[i]['user_id']),
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onTap: () =>
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inviteAction(context, foundProfiles[i]['user_id']),
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),
)
: FutureBuilder<List<User>>(
future: getContacts(context),
builder: (BuildContext context, snapshot) {
if (!snapshot.hasData) {
return Center(
child: CircularProgressIndicator(),
);
}
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var contacts = snapshot.data;
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return ListView.builder(
itemCount: contacts.length,
itemBuilder: (BuildContext context, int i) => ListTile(
leading: Avatar(
contacts[i].avatarUrl,
contacts[i].calcDisplayname(),
),
title: Text(contacts[i].calcDisplayname()),
subtitle: Text(contacts[i].id),
onTap: () => inviteAction(context, contacts[i].id),
),
);
},
)),
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);
}
}