chore: begin porting code from playground

src/StevesBot.Worker/.editorconfig

@@ -0,0 +1,2 @@
+[*.cs]
+dotnet_diagnostic.CA2007.severity = none

src/StevesBot.Worker/Discord/DiscordClientException.cs

@@ -0,0 +1,16 @@
+namespace StevesBot.Worker.Discord;
+
+internal class DiscordClientException : Exception
+{
+  public DiscordClientException()
+  {
+  }
+
+  public DiscordClientException(string message) : base(message)
+  {
+  }
+
+  public DiscordClientException(string message, Exception innerException) : base(message, innerException)
+  {
+  }
+}

src/StevesBot.Worker/Discord/DiscordClientOptions.cs

@@ -0,0 +1,8 @@
+namespace StevesBot.Worker.Discord;
+
+internal class DiscordClientOptions
+{
+  public string ApiUrl { get; init; } = string.Empty;
+  public string AppToken { get; init; } = string.Empty;
+  public int Intents { get; init; }
+}

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

@@ -0,0 +1,16 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal record DiscordEvent
+{
+  [JsonPropertyName("op")]
+  public int Op { get; init; }
+
+  [JsonPropertyName("s")]
+  public int? Sequence { get; init; }
+
+  [JsonPropertyName("t")]
+  public string? Type { get; init; }
+
+  [JsonPropertyName("d")]
+  public object? Data { get; init; }
+}

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

@@ -0,0 +1,24 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal class DiscordEventConverter : JsonConverter<DiscordEvent>
+{
+  private const string OpPropertyName = "op";
+
+  public override DiscordEvent? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+  {
+    using var jsonDoc = JsonDocument.ParseValue(ref reader);
+    var root = jsonDoc.RootElement;
+    var op = root.GetProperty(OpPropertyName).GetInt32();
+
+    return op switch
+    {
+      DiscordOpCodes.Hello => JsonSerializer.Deserialize<HelloDiscordEvent>(root.GetRawText(), options),
+      _ => JsonSerializer.Deserialize<DiscordEvent>(root.GetRawText(), options)
+    };
+  }
+
+  public override void Write(Utf8JsonWriter writer, DiscordEvent value, JsonSerializerOptions options)
+  {
+    throw new NotImplementedException();
+  }
+}

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

@@ -0,0 +1,6 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal static class DiscordOpCodes
+{
+  public const int Hello = 10;
+}

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

@@ -0,0 +1,13 @@
+namespace StevesBot.Worker.Discord.Events;
+
+internal record HelloDiscordEvent : DiscordEvent
+{
+  [JsonPropertyName("d")]
+  public new HelloData? Data { get; init; }
+}
+
+internal record HelloData
+{
+  [JsonPropertyName("heartbeat_interval")]
+  public int HeartbeatInterval { get; init; }
+}

src/StevesBot.Worker/Program.cs

@@ -4,4 +4,4 @@ var builder = Host.CreateApplicationBuilder(args);
 builder.Services.AddHostedService<Worker>();
 
 var host = builder.Build();
-host.Run();
+await host.RunAsync();

src/StevesBot.Worker/StevesBot.Worker.csproj

@@ -1,13 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>dotnet-StevesBot.Worker-0b7a94ae-5cbd-406d-8422-1c791715ef7d</UserSecretsId>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
   </ItemGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="$(AssemblyName).Tests" />
+    <InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+  </ItemGroup>
 </Project>

src/StevesBot.Worker/Usings.cs

@@ -0,0 +1,2 @@
+global using System.Text.Json;
+global using System.Text.Json.Serialization;

src/StevesBot.Worker/Worker.cs

@@ -1,6 +1,6 @@
 namespace StevesBot.Worker;
 
-public class Worker : BackgroundService
+internal class Worker : BackgroundService
 {
   private readonly ILogger<Worker> _logger;
 
@@ -15,8 +15,9 @@ public class Worker : BackgroundService
     {
       if (_logger.IsEnabled(LogLevel.Information))
       {
-        _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
+        _logger.LogInformation("Worker running at: {Time}", DateTimeOffset.Now);
       }
+
       await Task.Delay(1000, stoppingToken);
     }
   }

src/StevesBot.Worker/appsettings.Example.json

@@ -0,0 +1,13 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "DiscordClientOptions": {
+    "ApiUrl": "ApiUrl",
+    "AppToken": "AppToken",
+    "Intents": 0
+  }
+}