chore: port over events and update converter to handle them

src/StevesBot.Worker/Discord/Events/DiscordEventConverter.cs

@@ -12,13 +12,26 @@ internal sealed class DiscordEventConverter : JsonConverter<DiscordEvent>
 
     return op switch
     {
+      DiscordOpCodes.Dispatch => DeserializeDispatchEvent(root, options),
       DiscordOpCodes.Hello => JsonSerializer.Deserialize<HelloDiscordEvent>(root.GetRawText(), options),
+      DiscordOpCodes.HeartbeatAck => JsonSerializer.Deserialize<HeartbeatAckDiscordEvent>(root.GetRawText(), options),
       _ => JsonSerializer.Deserialize<DiscordEvent>(root.GetRawText(), options)
     };
   }
 
   public override void Write(Utf8JsonWriter writer, DiscordEvent value, JsonSerializerOptions options)
   {
-    throw new NotImplementedException();
+    JsonSerializer.Serialize(writer, value, value.GetType(), options);
+  }
+
+  private static DiscordEvent? DeserializeDispatchEvent(JsonElement root, JsonSerializerOptions options)
+  {
+    var type = root.GetProperty("t").GetString();
+
+    return type switch
+    {
+      DiscordEventTypes.Ready => JsonSerializer.Deserialize<ReadyDiscordEvent>(root.GetRawText(), options),
+      _ => JsonSerializer.Deserialize<DiscordEvent>(root.GetRawText(), options),
+    };
   }
 }

src/StevesBot.Worker/Discord/Events/DiscordEventTypes.cs

@@ -0,0 +1,6 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal static class DiscordEventTypes
+{
+  public const string Ready = "READY";
+}

src/StevesBot.Worker/Discord/Events/DiscordOpCodes.cs

@@ -2,5 +2,8 @@ namespace StevesBot.Worker.Discord.Events;
 
 internal static class DiscordOpCodes
 {
+  public const int Dispatch = 0;
+  public const int Heartbeat = 1;
+  public const int HeartbeatAck = 11;
   public const int Hello = 10;
 }

src/StevesBot.Worker/Discord/Events/HeartbeatAckDiscordEvent.cs

@@ -0,0 +1,5 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal record HeartbeatAckDiscordEvent : DiscordEvent
+{
+}

src/StevesBot.Worker/Discord/Events/HeartbeatDiscordEvent.cs

@@ -0,0 +1,10 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal record HeartbeatDiscordEvent : DiscordEvent
+{
+  public HeartbeatDiscordEvent(int? sequence)
+  {
+    OpCode = DiscordOpCodes.Heartbeat;
+    Sequence = sequence;
+  }
+}

src/StevesBot.Worker/Discord/Events/ReadyDiscordEvent.cs

@@ -0,0 +1,19 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal record ReadyDiscordEvent : DiscordEvent
+{
+  [JsonPropertyName("d")]
+  public new ReadyData Data { get; init; } = new ReadyData();
+}
+
+internal record ReadyData
+{
+  [JsonPropertyName("v")]
+  public int Version { get; init; }
+
+  [JsonPropertyName("session_id")]
+  public string SessionId { get; init; } = string.Empty;
+
+  [JsonPropertyName("resume_gateway_url")]
+  public string ResumeGatewayUrl { get; init; } = string.Empty;
+}