ReviewViewer: Fix changing cache duration setting not applied until restart

Author: darklinkpower

source/Generic/ReviewViewer/ReviewViewer.cs

@@ -62,6 +62,12 @@ public ReviewViewer(IPlayniteAPI api) : base(api)
 
             _steamReviewsCoordinator = new SteamReviewsCoordinator(
                 new SteamReviewsService(TimeSpan.FromMilliseconds(1100)), _reviewsRecordsDatabase, TimeSpan.FromDays(Settings.Settings.DownloadIfOlderThanValue));
+            Settings.OnSettingsChanged += Settings_OnSettingsChanged;
+        }
+
+        private void Settings_OnSettingsChanged(SettingsChangedInfo<ReviewViewerSettings> settingsChangedInfo)
+        {
+            _steamReviewsCoordinator.ChangeCacheDuration(TimeSpan.FromDays(Settings.Settings.DownloadIfOlderThanValue));
         }
 
         public override Control GetGameViewControl(GetGameViewControlArgs args)

source/Generic/ReviewViewer/ReviewViewer.csproj

@@ -279,6 +279,7 @@
       <DependentUpon>ReviewViewerSettingsView.xaml</DependentUpon>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SettingsChangedInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />

source/Generic/ReviewViewer/ReviewViewerSettings.cs

@@ -109,6 +109,12 @@ public void EndEdit()
             // Code executed when user decides to confirm changes made since BeginEdit was called.
             // This method should save settings made to Option1 and Option2.
             plugin.SavePluginSettings(Settings);
+            var settingsChangedInfo = new SettingsChangedInfo<ReviewViewerSettings>(
+                Serialization.GetClone(editingClone),
+                Serialization.GetClone(Settings)
+            );
+
+            OnSettingsChanged?.Invoke(settingsChangedInfo);
         }
 
         public bool VerifySettings(out List<string> errors)
@@ -119,5 +125,7 @@ public bool VerifySettings(out List<string> errors)
             errors = new List<string>();
             return true;
         }
+
+        public event Action<SettingsChangedInfo<ReviewViewerSettings>> OnSettingsChanged;
     }
 }

source/Generic/ReviewViewer/SettingsChangedInfo.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ReviewViewer
+{
+    public sealed class SettingsChangedInfo<T>
+    {
+        public Guid Id { get; }
+        public DateTime Timestamp { get; }
+        public T OldSettings { get; }
+        public T NewSettings { get; }
+
+        public SettingsChangedInfo(T oldSettings, T newSettings)
+        {
+            if (oldSettings == null) throw new ArgumentNullException(nameof(oldSettings));
+            if (newSettings == null) throw new ArgumentNullException(nameof(newSettings));
+
+            Id = Guid.NewGuid();
+            Timestamp = DateTime.UtcNow;
+            OldSettings = oldSettings;
+            NewSettings = newSettings;
+        }
+    }
+}