Encrypted messaging app
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import 'package:Envelope/database/repositories/friends_repository.dart';
import 'package:flutter/material.dart';
import '/components/custom_title_bar.dart';
import '/components/qr_reader.dart';
import '/components/custom_expandable_fab.dart';
import '/database/models/friends.dart';
import '/views/main/friend/list_item.dart';
import '/views/main/friend/add_search.dart';
import '/views/main/friend/request_list_item.dart';
class FriendList extends StatefulWidget {
final List<Friend> friends;
final Function callback;
const FriendList({
Key? key,
required this.friends,
required this.callback,
}) : super(key: key);
@override
State<FriendList> createState() => _FriendListState();
}
class _FriendListState extends State<FriendList> {
final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey = GlobalKey<RefreshIndicatorState>();
List<Friend> friends = [];
List<Friend> friendsDuplicate = [];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CustomTitleBar(
title: Text(
'Friends',
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold
)
),
showBack: false,
backgroundColor: Colors.transparent,
),
body: Padding(
padding: const EdgeInsets.only(top: 16,left: 16,right: 16, bottom: 65),
child: Stack(
children: <Widget>[
Padding(
padding: const EdgeInsets.only(top: 50),
child: RefreshIndicator(
key: _refreshIndicatorKey,
onRefresh: _refresh,
child: list(),
)
),
TextField(
decoration: const InputDecoration(
hintText: 'Search...',
prefixIcon: Icon(
Icons.search,
size: 20
),
),
onChanged: (value) => filterSearchResults(value.toLowerCase())
),
],
),
),
floatingActionButton: Padding(
padding: const EdgeInsets.only(right: 10, bottom: 60),
child: ExpandableFab(
icon: Icon(
Icons.add,
size: 30,
color: Theme.of(context).colorScheme.onPrimary,
),
distance: 90.0,
children: [
ActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const QrReader())
);//.then(onGoBack); // TODO
},
icon: const Icon(Icons.qr_code_2, size: 25),
),
ActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const FriendAddSearch())
);//.then(onGoBack); // TODO
},
icon: const Icon(Icons.search, size: 25),
),
],
)
)
);
}
void filterSearchResults(String query) {
List<Friend> dummyFriendsList = [];
dummyFriendsList.addAll(friends);
if (query.isNotEmpty) {
List<Friend> dummyFriendData = [];
for (Friend item in dummyFriendsList) {
if(item.username.toLowerCase().contains(query)) {
dummyFriendData.add(item);
}
}
setState(() {
friends.clear();
friends.addAll(dummyFriendData);
});
return;
}
setState(() {
friends.clear();
friends.addAll(widget.friends);
});
}
@override
void initState() {
super.initState();
friends.addAll(widget.friends);
}
Future<void> initFriends() async {
friends = await FriendsRepository.getFriends();
setState(() {});
widget.callback();
}
Widget _heading(String heading) {
return Padding(
padding: const EdgeInsets.only(top: 5, bottom: 10),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
heading,
style: TextStyle(
fontSize: 16,
color: Theme.of(context).hintColor,
),
),
)
);
}
Widget list() {
if (friends.isEmpty) {
return const Center(
child: Text('No Friends'),
);
}
return ListView.separated(
itemCount: friends.length,
shrinkWrap: false,
physics: const AlwaysScrollableScrollPhysics(),
padding: const EdgeInsets.only(top: 10),
separatorBuilder: (context, i) {
if (friends[i].acceptedAt == null) {
return FriendRequestListItem(
friend: friends[i],
callback: initFriends,
);
}
return FriendListItem(
friend: friends[i],
);
},
itemBuilder: (context, i) {
if (i == 0 && friends[i].acceptedAt == null) {
return _heading('Friend Requests');
}
if ((i == 0 || friends[i - 1].acceptedAt == null) && friends[i].acceptedAt != null) {
return _heading('Friends');
}
return const SizedBox.shrink();
},
);
}
Future<void> _refresh() async {
Future.delayed(
const Duration(seconds: 1),
() {
print('Doing thing');
}
);
}
}