more work on api

Pilz.Net/Api/ApiClient.cs

@@ -14,7 +14,17 @@ public class ApiClient(string apiUrl) : IApiClient
 
     public ILogger Log { get; set; } = NullLogger.Instance;
 
-    public virtual async Task<ApiResponse> SendMessage<TResponse>(string route, ApiMessage message, IMessageSerializer? serializer = null)
+    public virtual Task<ApiResponse> SendRequest(string route)
+    {
+        return SendRequest(route, null);
+    }
+
+    public virtual Task<ApiResponse> SendRequest(string route, ApiMessage? message)
+    {
+        return SendRequest(route, message, null);
+    }
+
+    public virtual async Task<ApiResponse> SendRequest(string route, ApiMessage? message, IMessageSerializer? serializer)
     {
         serializer ??= Serializer;
 
@@ -25,7 +35,17 @@ public class ApiClient(string apiUrl) : IApiClient
         return new(res.StatusCode);
     }
 
-    public virtual async Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage message, IMessageSerializer? serializer = null) where TResponse : ApiMessage
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, null);
+    }
+
+    public virtual Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage? message) where TResponse : ApiMessage
+    {
+        return SendRequest<TResponse>(route, message, null);
+    }
+
+    public virtual async Task<ApiResponse<TResponse>> SendRequest<TResponse>(string route, ApiMessage? message, IMessageSerializer? serializer) where TResponse : ApiMessage
     {
         serializer ??= Serializer;
 
@@ -40,11 +60,18 @@ public class ApiClient(string apiUrl) : IApiClient
         return new(res.StatusCode, result);
     }
 
-    protected virtual async Task<HttpResponseMessage> Send(string route, ApiMessage message, IMessageSerializer serializer)
+    protected virtual async Task<HttpResponseMessage> Send(string route, ApiMessage? message, IMessageSerializer serializer)
     {
         var url = ApiUrl + route;
-        var content = new StringContent(serializer.Serialize(message)!, null, "application/json");
+        HttpContent content;
+
+        if (message is not null)
+            content = new StringContent(serializer.Serialize(message)!, null, "application/json");
+        else
+            content = new StringContent(string.Empty, null, "application/json");
+
         content.Headers.Add("API-AUTH-KEY", EncodeAuthKey());
+
         return await httpClient.PostAsync(url, content);
     }