From 935325c1275eec660b1cfb0ba9f093d2306b98b3 Mon Sep 17 00:00:00 2001
From: Johannes Brandenburger
 <79154528+johannesbrandenburger@users.noreply.github.com>
Date: Mon, 15 Apr 2024 15:23:26 +0200
Subject: [PATCH] frontend: moodle course open

---
 .../lib/components/choose/choose_form.dart    | 35 ++++++++++++++-----
 frontend/lib/models/course.dart               |  5 ++-
 frontend/pubspec.yaml                         |  1 +
 3 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/frontend/lib/components/choose/choose_form.dart b/frontend/lib/components/choose/choose_form.dart
index 60388d32..b8c4dc0e 100644
--- a/frontend/lib/components/choose/choose_form.dart
+++ b/frontend/lib/components/choose/choose_form.dart
@@ -6,6 +6,7 @@ import 'package:frontend/models/course.dart';
 import 'package:frontend/theme/assets.dart';
 import 'package:frontend/enums/form_type.dart';
 import 'package:rive/rive.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class ChooseForm extends StatefulWidget {
   final Course course;
@@ -71,6 +72,18 @@ class _ChooseFormState extends State<ChooseForm> {
     );
   }
 
+  void _openMoodle() async {
+    final moodleCourseId = widget.course.moodleCourseId;
+    final moodleUrl =
+        "https://moodle.htwg-konstanz.de/moodle/course/view.php?id=$moodleCourseId";
+    final moodleUri = Uri.parse(moodleUrl);
+    if (await canLaunchUrl(moodleUri)) {
+      await launchUrl(moodleUri);
+    } else {
+      throw 'Could not launch $moodleUrl';
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final colors = Theme.of(context).colorScheme;
@@ -117,15 +130,19 @@ class _ChooseFormState extends State<ChooseForm> {
         padding: const EdgeInsets.only(right: 20),
         child: Align(
           alignment: Alignment.centerRight,
-          child: ElevatedButton(
-            onPressed: () {},
-            style: ElevatedButton.styleFrom(
-              shape: RoundedRectangleBorder(
-                borderRadius: BorderRadius.circular(20.0),
-              ),
-            ),
-            child: Image.asset(moodleLogo, width: 80),
-          ),
+          child: widget.course.moodleCourseId != ''
+              ? ElevatedButton(
+                  onPressed: () {
+                    _openMoodle();
+                  },
+                  style: ElevatedButton.styleFrom(
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(20.0),
+                    ),
+                  ),
+                  child: Image.asset(moodleLogo, width: 80),
+                )
+              : null,
         ),
       ),
       body: Column(
diff --git a/frontend/lib/models/course.dart b/frontend/lib/models/course.dart
index f9b3f0da..e325e6da 100644
--- a/frontend/lib/models/course.dart
+++ b/frontend/lib/models/course.dart
@@ -9,6 +9,7 @@ class Course {
   final List<FeedbackForm> feedbackForms;
   final List<QuizForm> quizForms;
   final bool isOwner;
+  final String moodleCourseId;
 
   Course({
     required this.id,
@@ -17,6 +18,7 @@ class Course {
     required this.feedbackForms,
     required this.quizForms,
     required this.isOwner,
+    required this.moodleCourseId,
   });
 
   factory Course.fromJson(Map<String, dynamic> json) {
@@ -25,7 +27,7 @@ class Course {
       List<String> owners = json['owners'].cast<String>();
       isOwner = owners.contains(getSession()!.userId);
     }
-    
+
     return Course(
       id: json['id'],
       name: json['name'],
@@ -37,6 +39,7 @@ class Course {
           .map((e) => QuizForm.fromJson(e, isOwner: isOwner))
           .toList(),
       isOwner: isOwner,
+      moodleCourseId: json['moodleCourseId'] ?? '',
     );
   }
 }
diff --git a/frontend/pubspec.yaml b/frontend/pubspec.yaml
index 59447220..1b3f6d99 100644
--- a/frontend/pubspec.yaml
+++ b/frontend/pubspec.yaml
@@ -42,6 +42,7 @@ dependencies:
   jwt_decoder: ^2.0.1
   intl: ^0.19.0
   rive: ^0.13.1
+  url_launcher: ^6.2.6
   # mobile_scanner: ^3.5.7
 
 dev_dependencies: