139 lines
4.8 KiB
Dart
139 lines
4.8 KiB
Dart
import 'dart:async';
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import 'package:recon/apis/user_api.dart';
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import 'package:recon/client_holder.dart';
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import 'package:recon/clients/messaging_client.dart';
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import 'package:recon/models/users/user.dart';
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import 'package:recon/widgets/default_error_widget.dart';
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import 'package:recon/widgets/friends/user_list_tile.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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class SearchError {
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final String message;
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final IconData icon;
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const SearchError({required this.message, required this.icon});
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}
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class UserSearch extends StatefulWidget {
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const UserSearch({super.key});
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@override
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State<StatefulWidget> createState() => _UserSearchState();
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}
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class _UserSearchState extends State<UserSearch> {
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final TextEditingController _searchInputController = TextEditingController();
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Timer? _searchDebouncer;
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late Future<List<User>?>? _usersFuture = _emptySearch;
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Future<List<User>> get _emptySearch =>
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Future(() => throw const SearchError(message: "Start typing to search for users", icon: Icons.search));
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void _querySearch(BuildContext context, String needle) {
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if (needle.isEmpty) {
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_usersFuture = _emptySearch;
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return;
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}
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_usersFuture = UserApi.searchUsers(ClientHolder.of(context).apiClient, needle: needle).then((value) {
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final res = value.toList();
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if (res.isEmpty) {
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throw SearchError(message: "No user found with username '$needle'", icon: Icons.search_off);
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}
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res.sort((a, b) => a.username.length.compareTo(b.username.length));
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return res;
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});
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}
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@override
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Widget build(BuildContext context) {
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final mClient = Provider.of<MessagingClient>(context, listen: false);
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return Scaffold(
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appBar: AppBar(
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title: const Text("Find Users"),
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),
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body: SafeArea(
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top: false,
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child: Column(
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children: [
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Expanded(
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child: FutureBuilder(
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future: _usersFuture,
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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final users = snapshot.data as List<User>;
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return ListView.builder(
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itemCount: users.length,
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itemBuilder: (context, index) {
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final user = users[index];
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return UserListTile(
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user: user,
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onChanged: () {
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mClient.refreshFriendsList();
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},
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isFriend: mClient.getAsContact(user.id) != null,
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);
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},
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);
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} else if (snapshot.hasError) {
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final err = snapshot.error;
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if (err is SearchError) {
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return DefaultErrorWidget(
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title: err.message,
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iconOverride: err.icon,
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);
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} else {
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FlutterError.reportError(FlutterErrorDetails(
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exception: snapshot.error!,
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stack: snapshot.stackTrace,
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));
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return DefaultErrorWidget(
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title: "${snapshot.error}",
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);
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}
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} else {
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return const Column(
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children: [
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LinearProgressIndicator(),
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],
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);
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}
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},
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),
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),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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child: TextField(
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decoration: InputDecoration(
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isDense: true,
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hintText: "Search for users...",
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contentPadding: const EdgeInsets.all(16),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(24))),
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autocorrect: false,
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controller: _searchInputController,
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onChanged: (String value) {
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_searchDebouncer?.cancel();
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if (value.isEmpty) {
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setState(() {
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_querySearch(context, value);
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});
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return;
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}
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setState(() {
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_usersFuture = Future(() => null);
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});
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_searchDebouncer = Timer(const Duration(milliseconds: 300), () {
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setState(() {
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_querySearch(context, value);
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});
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});
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},
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),
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),
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],
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),
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),
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);
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}
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}
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