From 0649e202ed887971ec1cb6e8250a637eae1cfbb0 Mon Sep 17 00:00:00 2001
From: sembauke <semboot699@gmail.com>
Date: Tue, 18 Jul 2023 16:58:07 +0200
Subject: [PATCH] feat: checkpoint (done for today)

---
 .../lib/ui/views/learn/block/block_view.dart  |  7 ++++-
 .../ui/views/learn/block/block_viewmodel.dart |  5 ++++
 .../ui/views/learn/landing/landing_view.dart  | 11 +++++--
 .../learn/landing/landing_viewmodel.dart      | 29 +++++++++++++++++++
 4 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/mobile-app/lib/ui/views/learn/block/block_view.dart b/mobile-app/lib/ui/views/learn/block/block_view.dart
index 9c5b2282d..48862d6ca 100644
--- a/mobile-app/lib/ui/views/learn/block/block_view.dart
+++ b/mobile-app/lib/ui/views/learn/block/block_view.dart
@@ -305,8 +305,13 @@ class ChallengeTile extends StatelessWidget {
 
             String url = LearnService.baseUrl;
 
+            String fullUrl =
+                '$url/challenges/${block.superBlock.dashedName}/${block.dashedName}/$challengeId.json';
+
+            model.setLastVisitedChallenge(fullUrl);
+
             model.routeToChallengeView(
-              '$url/challenges/${block.superBlock.dashedName}/${block.dashedName}/$challengeId.json',
+              fullUrl,
               block,
               challengeId,
             );
diff --git a/mobile-app/lib/ui/views/learn/block/block_viewmodel.dart b/mobile-app/lib/ui/views/learn/block/block_viewmodel.dart
index 1488fe846..028c1044b 100644
--- a/mobile-app/lib/ui/views/learn/block/block_viewmodel.dart
+++ b/mobile-app/lib/ui/views/learn/block/block_viewmodel.dart
@@ -82,6 +82,11 @@ class BlockViewModel extends BaseViewModel {
     notifyListeners();
   }
 
+  void setLastVisitedChallenge(String url) async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    prefs.setString('lastVisitedChallenge', url);
+  }
+
   void routeToChallengeView(String url, Block block, String challengeId) {
     _navigationService.navigateTo(
       Routes.challengeView,
diff --git a/mobile-app/lib/ui/views/learn/landing/landing_view.dart b/mobile-app/lib/ui/views/learn/landing/landing_view.dart
index a8e9196a2..f26ec85e4 100644
--- a/mobile-app/lib/ui/views/learn/landing/landing_view.dart
+++ b/mobile-app/lib/ui/views/learn/landing/landing_view.dart
@@ -69,7 +69,9 @@ class LearnLandingView extends StatelessWidget {
                       );
                     },
                   ),
-                  const ContinueLearningButton(),
+                  ContinueLearningButton(
+                    model: model,
+                  ),
                   const SizedBox(height: 16),
                   FutureBuilder<List<SuperBlockButtonData>>(
                     future: model.superBlockButtons,
@@ -195,8 +197,11 @@ class LearnLandingView extends StatelessWidget {
 class ContinueLearningButton extends StatelessWidget {
   const ContinueLearningButton({
     Key? key,
+    required this.model,
   }) : super(key: key);
 
+  final LearnLandingViewModel model;
+
   @override
   Widget build(BuildContext context) {
     return Container(
@@ -206,7 +211,9 @@ class ContinueLearningButton extends StatelessWidget {
       ),
       height: 80,
       child: ElevatedButton(
-        onPressed: () {},
+        onPressed: () {
+          model.fastRouteToChallenge();
+        },
         style: ElevatedButton.styleFrom(
           backgroundColor: const Color.fromRGBO(0x3b, 0x3b, 0x4f, 1),
           side: const BorderSide(
diff --git a/mobile-app/lib/ui/views/learn/landing/landing_viewmodel.dart b/mobile-app/lib/ui/views/learn/landing/landing_viewmodel.dart
index db3c52db1..721e32b66 100644
--- a/mobile-app/lib/ui/views/learn/landing/landing_viewmodel.dart
+++ b/mobile-app/lib/ui/views/learn/landing/landing_viewmodel.dart
@@ -14,6 +14,7 @@ import 'package:freecodecamp/service/learn/learn_offline_service.dart';
 import 'package:freecodecamp/service/learn/learn_service.dart';
 import 'package:freecodecamp/ui/widgets/setup_dialog_ui.dart';
 import 'package:http/http.dart' as http;
+import 'package:shared_preferences/shared_preferences.dart';
 import 'package:stacked/stacked.dart';
 import 'package:stacked_services/stacked_services.dart';
 
@@ -34,6 +35,12 @@ class LearnLandingViewModel extends BaseViewModel {
 
   Future<List<SuperBlockButtonData>>? superBlockButtons;
 
+  String _challengeUrl = '';
+  String get challengeUrl => _challengeUrl;
+
+  bool _hasLastVisitedChallenge = false;
+  bool get hasLastVisitedChallenge => _hasLastVisitedChallenge;
+
   bool _isLoggedIn = false;
   bool get isLoggedIn => _isLoggedIn;
 
@@ -42,14 +49,36 @@ class LearnLandingViewModel extends BaseViewModel {
     notifyListeners();
   }
 
+  set setHasLastVisitedChallenge(value) {
+    _hasLastVisitedChallenge = value;
+    notifyListeners();
+  }
+
+  set setChallengeUrl(value) {
+    _challengeUrl = value;
+    notifyListeners();
+  }
+
   void init(BuildContext context) async {
     setupDialogUi();
     retrieveNewQuote();
     initLoggedInListener();
 
     setSuperBlockButtons = getSuperBlocks();
+
+    retrieveLastVisitedChallenge();
+  }
+
+  void retrieveLastVisitedChallenge() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    setHasLastVisitedChallenge =
+        prefs.getString('lastVisitedChallenge')?.isNotEmpty ?? false;
+    setChallengeUrl = prefs.getString('lastVisitedChallenge') ?? '';
+    notifyListeners();
   }
 
+  void fastRouteToChallenge() async {}
+
   Future<List<SuperBlockButtonData>> getSuperBlocks() async {
     return await _learnOfflineService.hasInternet()
         ? requestSuperBlocks()