Create SendDiscordMessageAndWaitMethod.cs

Author: Elektryk-Andrzej

Code/MethodSystem/Methods/DiscordMethods/SendDiscordMessageAndWaitMethod.cs

@@ -0,0 +1,68 @@
+using JetBrains.Annotations;
+using MEC;
+using Newtonsoft.Json.Linq;
+using SER.Code.ArgumentSystem.Arguments;
+using SER.Code.ArgumentSystem.BaseArguments;
+using SER.Code.Helpers.Exceptions;
+using SER.Code.MethodSystem.BaseMethods.Synchronous;
+using SER.Code.MethodSystem.BaseMethods.Yielding;
+using SER.Code.MethodSystem.MethodDescriptors;
+using SER.Code.MethodSystem.Methods.HTTPMethods;
+using SER.Code.ValueSystem;
+using UnityEngine.Networking;
+
+namespace SER.Code.MethodSystem.Methods.DiscordMethods;
+
+[UsedImplicitly]
+public class SendDiscordMessageAndWaitMethod : YieldingReturningMethod<TextValue>, ICanError
+{
+    public override string Description => 
+        "Sends a message using a discord webhook and waits until it is completed. Returns the message id.";
+
+    public string[] ErrorReasons =>
+    [
+        ..HTTPPostMethod.HttpErrorReasons,
+        "Provided URL is not a valid webhook URL."
+    ];
+
+    public override Argument[] ExpectedArguments { get; } =
+    [
+        new TextArgument("webhook url"),
+        new ReferenceArgument<DiscordMessageMethod.DMessage>("message object")
+    ];
+
+    public override IEnumerator<float> Execute()
+    {
+        var webhookUrl = Args.GetText("webhook url");
+        var messageObject = Args.GetReference<DiscordMessageMethod.DMessage>("message object");
+        
+        if (!webhookUrl.StartsWith("https://discord.com/api/webhooks/"))
+            throw new ScriptRuntimeError(this, ErrorReasons.Last());
+        
+        using UnityWebRequest request = new UnityWebRequest(webhookUrl + "?wait=true", "POST");
+        byte[] bodyRaw = System.Text.Encoding.UTF8.GetBytes(messageObject.ToString());
+        request.uploadHandler = new UploadHandlerRaw(bodyRaw);
+        request.downloadHandler = new DownloadHandlerBuffer();
+        request.SetRequestHeader("Content-Type", "application/json");
+
+        yield return Timing.WaitUntilDone(request.SendWebRequest());
+
+        if (request.error is { } error)
+        {
+            throw new ScriptRuntimeError(
+                this,
+                $"Address {webhookUrl} has returned an error: {error}"
+            );
+        }
+
+        try
+        {
+            ReturnValue = JObject.Parse(request.downloadHandler.text)["id"]?.Value<string>()
+                          ?? throw new Exception();
+        }
+        catch
+        {
+            throw new ScriptRuntimeError(this, "Returned message object from discord is invalid.");
+        }
+    }
+}