Add MediatR integration and update IMediatorService interface

Baguette.Extensions.AspNetCore.sln

@@ -2,6 +2,8 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Baguette.Extensions.AspNetCore.Mediator", "src\Baguette.Extensions.AspNetCore.Mediator\Baguette.Extensions.AspNetCore.Mediator.csproj", "{9C7970CB-13DB-4016-A9D4-B52C8788BFBC}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Baguette.Extensions.AspNetCore.Mediator.MediatR", "src\Baguette.Extensions.AspNetCore.Mediator.MediatR\Baguette.Extensions.AspNetCore.Mediator.MediatR.csproj", "{2A0764B1-6C7D-4729-8A10-071897166AE4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -12,5 +14,9 @@ Global
 		{9C7970CB-13DB-4016-A9D4-B52C8788BFBC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9C7970CB-13DB-4016-A9D4-B52C8788BFBC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9C7970CB-13DB-4016-A9D4-B52C8788BFBC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2A0764B1-6C7D-4729-8A10-071897166AE4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2A0764B1-6C7D-4729-8A10-071897166AE4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2A0764B1-6C7D-4729-8A10-071897166AE4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2A0764B1-6C7D-4729-8A10-071897166AE4}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

src/Baguette.Extensions.AspNetCore.Mediator.MediatR/Baguette.Extensions.AspNetCore.Mediator.MediatR.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Baguette.Extensions.AspNetCore.Mediator\Baguette.Extensions.AspNetCore.Mediator.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="MediatR" Version="13.0.0" />
+    </ItemGroup>
+
+</Project>

src/Baguette.Extensions.AspNetCore.Mediator.MediatR/MediatRService.cs

@@ -0,0 +1,27 @@
+using System.Diagnostics.CodeAnalysis;
+using MediatR;
+
+namespace Baguette.Extensions.AspNetCore.Mediator.MediatR;
+
+public class MediatRService(ISender sender) : IMediatorService
+{
+    public async ValueTask<bool> TrySendAsync(object? value, CancellationToken cancellationToken = default)
+    {
+        if (value is not IRequest request)
+            return false;
+
+        await sender.Send(request, cancellationToken);
+
+        return true;
+    }
+
+    public async ValueTask<(bool IsSucess, TResponse? Response)> TrySendAsync<TResponse>(object? value, CancellationToken cancellationToken = default)
+    {
+        if (value is not IRequest<TResponse> request)
+            return (false, default);
+
+        var response = await sender.Send(request, cancellationToken);
+
+        return (true, response);
+    }
+}

src/Baguette.Extensions.AspNetCore.Mediator/IMediatorService.cs

@@ -4,11 +4,7 @@ namespace Baguette.Extensions.AspNetCore.Mediator;
 
 public interface IMediatorService
 {
-    bool TryGetRequest(object? value, [NotNullWhen(true)] out IRequest? request);
+    ValueTask<bool> TrySendAsync(object? value, CancellationToken cancellationToken = default);
 
-    bool TryGetRequest<TResponse>(object? value, [NotNullWhen(true)] out IRequest<TResponse>? request);
+    ValueTask<(bool IsSucess, TResponse? Response)> TrySendAsync<TResponse>(object? value, CancellationToken cancellationToken = default);
-
-    ValueTask SendAsync(IRequest request, CancellationToken cancellationToken = default);
-
-    ValueTask<TResponse> SendAsync<TResponse>(IRequest<TResponse> request, CancellationToken cancellationToken = default);
 }

src/Baguette.Extensions.AspNetCore.Mediator/IRequest.cs

@@ -1,5 +0,0 @@
-namespace Baguette.Extensions.AspNetCore.Mediator;
-
-public interface IRequest<out TResponse>;
-
-public interface IRequest;

src/Baguette.Extensions.AspNetCore.Mediator/SendEndpointRequestFilter.cs

@@ -13,14 +13,13 @@ public class SendEndpointRequestFilter<TResponse> : IEndpointFilter
         var value = await next(context);
 
         if (value is IResult)
-            return value;
+            return value; // If the next delegate already returned an IResult, just return it
 
-        if (!mediator.TryGetRequest<TResponse>(value, out var typedRequest))
+        var (success, response) = await mediator.TrySendAsync<TResponse>(value);
-            throw new InvalidOperationException(); // TODO: Handle case where the request is not an IRequest
 
-        var response = await mediator.SendAsync(typedRequest, context.HttpContext.RequestAborted);
+        return success
-
+            ? Results.Ok(response)
-        return response;
+            : throw new InvalidOperationException(); // TODO: Handle case where request can't be sent or response can't be produced
     }
 }
 
@@ -33,14 +32,11 @@ public class SendEndpointRequestFilter : IEndpointFilter
         var value = await next(context);
 
         if (value is IResult)
-            return value;
+            return value; // If the next delegate already returned an IResult, just return it
 
-        if (!mediator.TryGetRequest(value, out var typedRequest))
+        return await mediator.TrySendAsync(value)
-            throw new InvalidOperationException(); // TODO: Handle case where the request is not an IRequest
+            ? Results.Ok()
-
+            : throw new InvalidOperationException(); // TODO: Handle case where request can't be sent
-        await mediator.SendAsync(typedRequest, context.HttpContext.RequestAborted);
-
-        return null;
     }
 }