Add JSON response

Author: LouisMT

.devcontainer/devcontainer.json

@@ -3,5 +3,8 @@
   "image": "mcr.microsoft.com/devcontainers/dotnet:1-9.0-bookworm",
   "features": {
     "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {}
+  },
+  "remoteEnv": {
+    "ASPNETCORE_ENVIRONMENT": "Development"
   }
 }

.gitignore

@@ -404,3 +404,6 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
+
+# Local settings
+appsettings.Development.json

src/Core/AppJsonSerializerContext.cs

@@ -6,6 +6,7 @@ namespace Core;
 
 [JsonSerializable(typeof(UpdateDnsRecordRequest))]
 [JsonSerializable(typeof(UpdateDnsRecordResponse))]
+[JsonSerializable(typeof(UpdateResponse))]
 public partial class AppJsonSerializerContext : JsonSerializerContext
 {
 }

src/Core/Handlers/UpdateHandler.cs

@@ -18,6 +18,9 @@ [FromQuery] string ipv4
 
         await cloudflareClient.UpdateDnsRecord(record.ZoneId, record.DnsRecordId, ipv4);
 
-        return Results.Ok();
+        return Results.Ok(new UpdateResponse
+        {
+            Success = true
+        });
     }
 }

src/Core/OptionsValidators/DdnsOptionsValidator.cs

@@ -6,4 +6,4 @@ namespace Core.OptionsValidators;
 [OptionsValidator]
 public partial class DdnsOptionsValidator : IValidateOptions<DdnsOptions>
 {
-}
+}

src/Core/Program.cs

@@ -13,6 +13,11 @@ public static void Main(string[] args)
     {
         var builder = WebApplication.CreateSlimBuilder(args);
 
+        builder.Services.ConfigureHttpJsonOptions(options =>
+        {
+            options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default);
+        });
+
         AddOptions(builder.Services, builder.Configuration);
 
         AddCloudflareClient(builder.Services);

src/Core/Responses/UpdateResponse.cs

@@ -0,0 +1,4 @@
+public record UpdateResponse
+{
+    public required bool Success { get; init; }
+}