From e702a5026b5cb81337c306ba6023036d14e39eca Mon Sep 17 00:00:00 2001
From: Mrcubix <tintamare91@gmail.com>
Date: Tue, 21 Nov 2023 04:53:52 +0100
Subject: [PATCH] Emergency fix for duplicate streams opening when changing
 page and going back

---
 .../ViewModels/Screens/StreamsBrowserViewModel.cs    | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/WhoIsLive.UX/ViewModels/Screens/StreamsBrowserViewModel.cs b/WhoIsLive.UX/ViewModels/Screens/StreamsBrowserViewModel.cs
index 694b21c..741d37b 100644
--- a/WhoIsLive.UX/ViewModels/Screens/StreamsBrowserViewModel.cs
+++ b/WhoIsLive.UX/ViewModels/Screens/StreamsBrowserViewModel.cs
@@ -287,6 +287,8 @@ private void ChangePage(int page, bool doRecalculation = true)
     {
         Page = page;
 
+        UnsubscribeFromEvents();
+
         CurrentPageLiveStreams.Clear();
 
         if (doRecalculation)
@@ -295,6 +297,15 @@ private void ChangePage(int page, bool doRecalculation = true)
         FillPage((Page - 1) * _elementsPerPage);
     }
 
+    public void UnsubscribeFromEvents()
+    {
+        foreach (var stream in CurrentPageLiveStreams)
+        {
+            stream.BlockRequested -= OnBlockRequested;
+            stream.OpenRequested -= OnOpenRequested;
+        }
+    }
+
     public void RecalculatePageCount()
     {
         PageCount = (int)Math.Ceiling((double)_liveStreams.Count / _elementsPerPage);
@@ -328,6 +339,7 @@ private void FillPage(int fromIndex)
             var stream = _liveStreams[i]; 
 
             CurrentPageLiveStreams.Add(stream);
+
             stream.BlockRequested += OnBlockRequested;
             stream.OpenRequested += OnOpenRequested;
         }