From ba708274482c2b4eb5147e996a6c5ea1cfe22157 Mon Sep 17 00:00:00 2001
From: Thomas Fransolet <tfransolet@thelis.be>
Date: Tue, 24 Aug 2021 20:21:19 +0200
Subject: [PATCH] Show default message when null or empty

---
 lib/Screens/Slider/slider_view.dart | 14 +++++++---
 lib/Screens/Video/video_view.dart   | 41 +++++++++++++++--------------
 lib/Screens/Web/web_view.dart       |  2 +-
 3 files changed, 32 insertions(+), 25 deletions(-)

diff --git a/lib/Screens/Slider/slider_view.dart b/lib/Screens/Slider/slider_view.dart
index 009f4ec..60c8b90 100644
--- a/lib/Screens/Slider/slider_view.dart
+++ b/lib/Screens/Slider/slider_view.dart
@@ -145,12 +145,14 @@ class _SliderViewWidget extends State<SliderViewWidget> {
                 ),
             ],
           ),
-          Positioned(
+          if(sliderDTO.images != null && sliderDTO.images.length > 1)
+            Positioned(
               top: MediaQuery.of(context).size.height * 0.35,
               right: 60,
               child: InkWell(
                 onTap: () {
-                  sliderController.nextPage(duration: new Duration(milliseconds: 500), curve: Curves.fastOutSlowIn);
+                  if (sliderDTO.images.length > 0)
+                    sliderController.nextPage(duration: new Duration(milliseconds: 500), curve: Curves.fastOutSlowIn);
                 },
                 child: Icon(
                   Icons.chevron_right,
@@ -159,12 +161,14 @@ class _SliderViewWidget extends State<SliderViewWidget> {
                 ),
               )
           ),
-          Positioned(
+          if(sliderDTO.images != null && sliderDTO.images.length > 1)
+            Positioned(
               top: MediaQuery.of(context).size.height * 0.35,
               left: 60,
               child: InkWell(
                 onTap: () {
-                  sliderController.previousPage(duration: new Duration(milliseconds: 500), curve: Curves.fastOutSlowIn);
+                  if (sliderDTO.images.length > 0)
+                    sliderController.previousPage(duration: new Duration(milliseconds: 500), curve: Curves.fastOutSlowIn);
                 },
                 child: Icon(
                   Icons.chevron_left,
@@ -189,6 +193,8 @@ class _SliderViewWidget extends State<SliderViewWidget> {
                   )
               ),
             ),
+          if(sliderDTO.images == null || sliderDTO.images.length == 0)
+              Center(child: Text("Aucune image à afficher"))
           // Description
           /*Container(
             height: sliderDTO.images != null && sliderDTO.images.length > 0 ? size.height *0.3 : size.height *0.6,
diff --git a/lib/Screens/Video/video_view.dart b/lib/Screens/Video/video_view.dart
index 791e34b..e2ed452 100644
--- a/lib/Screens/Video/video_view.dart
+++ b/lib/Screens/Video/video_view.dart
@@ -23,31 +23,32 @@ class _VideoViewWidget extends State<VideoViewWidget> {
     print(videoDTO);
 
     String videoId;
-    videoId = YoutubePlayer.convertUrlToId(videoDTO.source_);
-    print(videoId);
+    if (videoDTO.source_ != null && videoDTO.source_.length > 0 ) {
+      videoId = YoutubePlayer.convertUrlToId(videoDTO.source_);
 
-    super.initState();
+      YoutubePlayerController _controller = YoutubePlayerController(
+        initialVideoId: videoId,
+        flags: YoutubePlayerFlags(
+          autoPlay: true,
+          controlsVisibleAtStart: false,
+          loop: true,
+          hideControls: false,
+          hideThumbnail: false,
+        ),
+      );
 
-    YoutubePlayerController _controller = YoutubePlayerController(
-      initialVideoId: videoId,
-      flags: YoutubePlayerFlags(
-        autoPlay: true,
-        controlsVisibleAtStart: false,
-        loop: true,
-        hideControls: false,
-        hideThumbnail: false,
-      ),
-    );
-
-    _videoView = YoutubePlayer(
-      controller: _controller,
-      showVideoProgressIndicator: false,
-      /*progressIndicatorColor: Colors.amber,
+      _videoView = YoutubePlayer(
+        controller: _controller,
+        showVideoProgressIndicator: false,
+        /*progressIndicatorColor: Colors.amber,
       progressColors: ProgressBarColors(
         playedColor: Colors.amber,
         handleColor: Colors.amberAccent,
       ),*/
-    );
+      );
+    }
+
+    super.initState();
   }
 
   @override
@@ -57,5 +58,5 @@ class _VideoViewWidget extends State<VideoViewWidget> {
   }
 
   @override
-  Widget build(BuildContext context) => _videoView;
+  Widget build(BuildContext context) => videoDTO.source_ != null && videoDTO.source_.length > 0 ? _videoView : Center(child: Text("La vidéo ne peut pas être affichée, l'url est incorrecte"));
 }
\ No newline at end of file
diff --git a/lib/Screens/Web/web_view.dart b/lib/Screens/Web/web_view.dart
index 48fa2f7..cbc3e0f 100644
--- a/lib/Screens/Web/web_view.dart
+++ b/lib/Screens/Web/web_view.dart
@@ -45,5 +45,5 @@ class _WebViewWidget extends State<WebViewWidget> {
   }
 
   @override
-  Widget build(BuildContext context) => _webView;
+  Widget build(BuildContext context) => webDTO.source_ != null && webDTO.source_.length > 0 ? _webView : Center(child: Text("La page internet ne peut pas être affichée, l'url est incorrecte ou vide"));
 }
\ No newline at end of file