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Merge pull request #16 from shaunakw/home-selection
Home selection
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| // ignore_for_file: prefer_const_constructors_in_immutables,unnecessary_const,library_private_types_in_public_api,avoid_print | ||
| // Copyright 2021, the Chromium project authors. Please see the AUTHORS file | ||
| // for details. All rights reserved. Use of this source code is governed by a | ||
| // BSD-style license that can be found in the LICENSE file. | ||
|
|
||
| import 'package:cloud_firestore/cloud_firestore.dart'; | ||
| import 'package:firebase_auth/firebase_auth.dart'; | ||
| import 'package:firebase_core/firebase_core.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import '../firebase_options.dart'; | ||
|
|
||
| // Future<void> main() async { | ||
| // WidgetsFlutterBinding.ensureInitialized(); | ||
| // await Firebase.initializeApp(options: defaultFirebaseOptions); | ||
| // } | ||
|
|
||
| final _db = FirebaseFirestore.instance; | ||
|
|
||
| /// A reference to the list of movies. | ||
| /// We are using `withConverter` to ensure that interactions with the collection | ||
| /// are type-safe. | ||
| final _homesRef = _db.collection('homes').withConverter<_Home>( | ||
| fromFirestore: (snapshots, _) => _Home.fromJson(snapshots.data()!, snapshots.id), | ||
| toFirestore: (home, _) => home.toJson(), | ||
| ); | ||
|
|
||
| /// Holds all example app films | ||
| class HomeList extends StatefulWidget { | ||
| const HomeList({Key? key}) : super(key: key); | ||
|
|
||
| @override | ||
| _HomeListState createState() => _HomeListState(); | ||
| } | ||
|
|
||
| class _HomeListState extends State<HomeList> { | ||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: StreamBuilder<QuerySnapshot<_Home>>( | ||
| stream: _homesRef.snapshots(), | ||
| builder: (context, snapshot) { | ||
| if (snapshot.hasError) { | ||
| return Center( | ||
| child: Text(snapshot.error.toString()), | ||
| ); | ||
| } | ||
|
|
||
| if (!snapshot.hasData) { | ||
| return const Center(child: CircularProgressIndicator()); | ||
| } | ||
|
|
||
| final data = snapshot.requireData; | ||
|
|
||
| return ListView.builder( | ||
| itemCount: data.size, | ||
| itemBuilder: (context, index) { | ||
| return _HomeItem( | ||
| data.docs[index].data(), | ||
| data.docs[index].reference, | ||
| ); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| Future<void> updateHome(_Home home) async { | ||
| String userUID = FirebaseAuth.instance.currentUser!.uid; | ||
|
|
||
| var userSnapshot = await _db.collection('users').doc(userUID).get(); | ||
| String userHome = userSnapshot.get('home') as String; | ||
|
|
||
| await _db.collection('users').doc(userUID).update({ | ||
| 'home': home.id, | ||
| }); | ||
|
|
||
| await _db.collection('homes').doc(userHome).update({ | ||
| 'users': FieldValue.arrayRemove([ | ||
| userUID | ||
| ]) | ||
| }).onError((error, stackTrace) => null); | ||
|
|
||
| await _db.collection('homes').doc(home.id).update({ | ||
| 'users': FieldValue.arrayUnion([ | ||
| userUID | ||
| ]) | ||
| }); | ||
| } | ||
|
|
||
| /// A single movie row. | ||
| class _HomeItem extends StatelessWidget { | ||
| _HomeItem(this.home, this.reference); | ||
|
|
||
| final _Home home; | ||
| final DocumentReference<_Home> reference; | ||
|
|
||
| /// Returns the movie poster. | ||
| Widget get pfp { | ||
| return SizedBox( | ||
| width: 100, | ||
| child: Image.network(home.pfp), | ||
| ); | ||
| } | ||
|
|
||
| /// Returns user details. | ||
| Widget get details { | ||
| return Padding( | ||
| padding: const EdgeInsets.only(left: 8, right: 8), | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| name, | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| // Return the home name. | ||
| Widget get name { | ||
| return Text( | ||
| '${home.name}', | ||
| style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold), | ||
| ); | ||
| } | ||
|
|
||
| Widget updateHomeButton(BuildContext context, _Home home) { | ||
| return FloatingActionButton( | ||
| onPressed: () async { | ||
| await updateHome(home); | ||
| }, | ||
| child: const Text("SELECT"), | ||
| ); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Padding( | ||
| padding: const EdgeInsets.only(bottom: 4, top: 4), | ||
| child: Row( | ||
| mainAxisAlignment: MainAxisAlignment.spaceAround, | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| children: [ | ||
| pfp, | ||
| Flexible(child: details), | ||
| updateHomeButton(context, home), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| @immutable | ||
| class _Home { | ||
| _Home({required this.pfp, required this.users, required this.name, required this.id}); | ||
|
|
||
| _Home.fromJson(Map<String, Object?> json, String id) | ||
| : this( | ||
| pfp: json['pfp']! as String, | ||
| users: json['users']! as List<dynamic>, | ||
| name: json['name']! as String, | ||
| id: id, | ||
| ); | ||
|
|
||
| final String pfp; | ||
| final List<dynamic> users; | ||
| final String name; | ||
| final String id; | ||
|
|
||
| Map<String, Object?> toJson() { | ||
| return { | ||
| 'users': users, | ||
| 'pfp': pfp, | ||
| 'name': name, | ||
| }; | ||
| } | ||
| } |
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