refactor: create interface for store

src/src/StevesBot.Webhook/Program.cs

@@ -41,7 +41,7 @@ builder.Services.AddSingleton(TimeProvider.System);
 builder.Services.AddSingleton<ConcurrentQueue<SubscribeTask>>();
 builder.Services.AddHostedService<SubscriptionWorker>();
 
-builder.Services.AddSingleton<LastPostedStreamStore>();
+builder.Services.AddSingleton<ILastPostedStreamStore, LastPostedStreamStore>();
 
 builder.Services.AddOptionsWithValidateOnStart<DiscordNotificationOptions>()
   .BindConfiguration(nameof(DiscordNotificationOptions))

src/src/StevesBot.Webhook/YouTube/Handlers/NotificationHandler.cs

@@ -8,7 +8,7 @@ internal static class NotificationHandler
     [FromServices] IYouTubeDataApiClient youTubeDataApiClient,
     [FromServices] IDiscordRestClient discordRestClient,
     [FromServices] IOptionsMonitor<DiscordNotificationOptions> discordNotificationOptions,
-    [FromServices] LastPostedStreamStore lastPostedStream,
+    [FromServices] ILastPostedStreamStore lastPostedStream,
     CancellationToken cancellationToken
   )
   {

src/src/StevesBot.Webhook/YouTube/ILastPostedStreamStore.cs

@@ -0,0 +1,5 @@
+namespace StevesBot.Webhook.YouTube;
+
+internal interface ILastPostedStreamStore : IStore<string>
+{
+}

src/src/StevesBot.Webhook/YouTube/IStore.cs

@@ -0,0 +1,7 @@
+namespace StevesBot.Webhook.YouTube;
+
+internal interface IStore<T>
+{
+  void SetValue(T value);
+  bool HasValue(T value);
+}

src/src/StevesBot.Webhook/YouTube/LastPostedStreamStore.cs

@@ -1,11 +1,16 @@
 namespace StevesBot.Webhook.YouTube;
 
-internal class LastPostedStreamStore
+internal class LastPostedStreamStore : ILastPostedStreamStore
 {
-  public string Value { get; private set; } = string.Empty;
+  private string _value = string.Empty;
 
   public void SetValue(string value)
   {
-    Value = value;
+    _value = value;
+  }
+
+  public bool HasValue(string value)
+  {
+    return _value.Equals(value, StringComparison.OrdinalIgnoreCase);
   }
 }