From 51dae022dcf9b4dcea7e7709ad0915c10977326a Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Wed, 3 Jun 2020 23:14:35 +0530
Subject: Add to favorite feature complete

---
 lib/data/favorites.dart | 24 +++++++++++++++++++++---
 lib/main.dart           | 26 ++++++++++++++++++++++++--
 lib/pages/Home.dart     | 11 +++++++++--
 3 files changed, 54 insertions(+), 7 deletions(-)

(limited to 'lib')

diff --git a/lib/data/favorites.dart b/lib/data/favorites.dart
index aad98ee..2e389b8 100644
--- a/lib/data/favorites.dart
+++ b/lib/data/favorites.dart
@@ -7,13 +7,26 @@ const String SEPERATOR = ',';
 
 StreamController<List<Application>> favorites_$ = StreamController<List<Application>>.broadcast();
 
+Future<Application> getApplication(String pkg) async {
+  if (pkg.length == 0) return null;
+  try {
+    return DeviceApps.getApp(pkg);
+  } catch(e) {
+    return null;
+  }
+}
+
 Future<List<Application>> getFavorites() async {
   final prefs = await SharedPreferences.getInstance();
 
   String rawFavoritesList = prefs.getString(FAVORITES);
   List<String> packageNames = rawFavoritesList?.split(SEPERATOR) ?? <String>[];
 
-  return Future.wait(packageNames.map((String pkg) => DeviceApps.getApp(pkg)));
+  Iterable<Future<Application>> futures = packageNames.map(getApplication);
+
+  List<Application> result = await Future.wait(futures);
+
+  return result.where((a) => a != null).toList();
 }
 
 void initFavorites() async {
@@ -28,7 +41,7 @@ Stream<List<Application>> getFavorites$() {
 void setFavorites(List<Application> favs) async {
   final prefs = await SharedPreferences.getInstance();
 
-  String rawFavoritesList = favs.map((Application app) => app.packageName).join(SEPERATOR);
+  String rawFavoritesList = favs.map((Application app) => app.packageName).toList().join(SEPERATOR);
   
   prefs.setString(FAVORITES, rawFavoritesList);
 
@@ -37,7 +50,12 @@ void setFavorites(List<Application> favs) async {
 
 void addToFavorites(Application app) async {
   List<Application> fs = await getFavorites();
-  fs.add(app);
+  
+  var matching = fs.where((a) => a.packageName == app.packageName);
+  if(matching.length == 0) {
+    fs.add(app);
+  }
+
   await setFavorites(fs);
 }
 
diff --git a/lib/main.dart b/lib/main.dart
index a7800da..b11886a 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,11 +1,14 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
+import 'package:device_apps/device_apps.dart';
 
 import 'pages/Home.dart';
 import 'pages/Apps.dart';
 
 import 'data/config.dart';
+import 'data/favorites.dart';
 import 'helpers/StreamState.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 void main() {
   runApp(MyApp());
@@ -17,10 +20,25 @@ class MyAppState extends StreamState<MyApp> {
       Stream.periodic(Duration(seconds: 1), (_x) => DateTime.now()).asBroadcastStream();
 
   // State
-  StreamStateValue<Config> config = StreamStateValue<Config>(stream$: getConfig$(), value: Config());
+  final config = StreamStateValue<Config>(
+      stream$: getConfig$(),
+      value: Config(),
+  );
+  final favoriteApps = StreamStateValue<List<Application>>(
+      stream$: getFavorites$(),
+      value: [],
+  );
   void initState() {
     super.initState();
     initStateValue(config);
+    initConfig();
+    initStateValue(favoriteApps);
+    initFavorites();
+
+    SharedPreferences.getInstance().then((instance) {
+      var val = instance.getString('favorites');
+      debugPrint('Hello |${val}| ${val.length}');
+    });
   }
 
   @override
@@ -70,7 +88,11 @@ class MyAppState extends StreamState<MyApp> {
           body: PageView(
               controller: PageController(keepPage: true),
               children: [
-                HomeView(time$, defaultTime: DateTime.now()),
+                HomeView(
+                    time$: time$,
+                    defaultTime: DateTime.now(),
+                    favoriteApps: favoriteApps.value,
+                ),
                 AppsView(),
               ],
           ),
diff --git a/lib/pages/Home.dart b/lib/pages/Home.dart
index b9663fd..1309596 100644
--- a/lib/pages/Home.dart
+++ b/lib/pages/Home.dart
@@ -1,7 +1,9 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
+import 'package:device_apps/device_apps.dart';
 
+import '../components/AppList.dart';
 import '../components/FixedContainer.dart';
 import '../data/config.dart';
 
@@ -85,8 +87,11 @@ class StatusInfoCard extends StatelessWidget {
 class HomeView extends StatelessWidget {
   Stream<DateTime> time$;
   DateTime defaultTime;
+  List<Application> favoriteApps;
 
-  HomeView(this.time$, { this.defaultTime }): super();
+  HomeView({ this.time$, this.defaultTime, this.favoriteApps }): super();
+
+  void noop(Application app) {}
 
   @override
   Widget build(BuildContext ctx) {
@@ -95,7 +100,9 @@ class HomeView extends StatelessWidget {
         child: Column(
             children: [
               StatusInfoCard(time$, defaultTime: defaultTime),
-              Expanded(child: Text('Content')),
+              Expanded(child: Container(
+                child: AppList(appList: favoriteApps, openApp: noop, openOptionsMenu: noop),
+              )),
             ],
         )
     );
-- 
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