From a29785f7c7cec23b3505fd37fd0ec2cd0abb8ede Mon Sep 17 00:00:00 2001
From: TekH <h.tek@digitaldata.works>
Date: Fri, 22 Aug 2025 17:37:55 +0200
Subject: [PATCH] feat(EnvelopeReceiverControler): add test endpoint for
 ReadEnvelopeReceiverQuery

---
 .../Queries/ReadEnvelopeReceiverQuery.cs             |  2 +-
 .../Queries/ReadEnvelopeReceiverQueryHandler.cs      |  8 ++++----
 .../Test/TestEnvelopeReceiverController.cs           | 12 +++++++++++-
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
index 4e039670..4d12b258 100644
--- a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
+++ b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQuery.cs
@@ -42,7 +42,7 @@ namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
 /// Die Antwort enthält Details wie den StatusQ, die Zuordnung zwischen Umschlag und Empfänger 
 /// sowie zusätzliche Metadaten.
 /// </remarks>
-public record ReadEnvelopeReceiverQuery : IRequest<EnvelopeReceiverDto>
+public record ReadEnvelopeReceiverQuery : IRequest<EnvelopeReceiverDto?>
 {
     /// <summary>
     /// 
diff --git a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQueryHandler.cs b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQueryHandler.cs
index a73cc650..9a65a152 100644
--- a/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQueryHandler.cs
+++ b/EnvelopeGenerator.Application/EnvelopeReceivers/Queries/ReadEnvelopeReceiverQueryHandler.cs
@@ -10,7 +10,7 @@ namespace EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
 /// <summary>
 /// 
 /// </summary>
-public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeReceiverQuery, EnvelopeReceiverDto>
+public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeReceiverQuery, EnvelopeReceiverDto?>
 {
     private readonly IRepository<EnvelopeReceiver> _repo;
 
@@ -20,6 +20,7 @@ public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeRece
     /// 
     /// </summary>
     /// <param name="envelopeReceiver"></param>
+    /// <param name="mapper"></param>
     public ReadEnvelopeReceiverQueryHandler(IRepository<EnvelopeReceiver> envelopeReceiver, IMapper mapper)
     {
         _repo = envelopeReceiver;
@@ -33,7 +34,7 @@ public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeRece
     /// <param name="cancel"></param>
     /// <returns></returns>
     /// <exception cref="NotImplementedException"></exception>
-    public async Task<EnvelopeReceiverDto> Handle(ReadEnvelopeReceiverQuery request, CancellationToken cancel)
+    public async Task<EnvelopeReceiverDto?> Handle(ReadEnvelopeReceiverQuery request, CancellationToken cancel)
     {
         var q = _repo.Read();
 
@@ -81,7 +82,6 @@ public class ReadEnvelopeReceiverQueryHandler : IRequestHandler<ReadEnvelopeRece
                         .Include(er => er.Receiver)
                         .FirstOrDefaultAsync(cancel);
 
-        var dto = _mapper.Map<EnvelopeReceiverDto>(er);
-        return dto;
+        return er is null ? null : _mapper.Map<EnvelopeReceiverDto>(er);
     } 
 }
diff --git a/EnvelopeGenerator.Web/Controllers/Test/TestEnvelopeReceiverController.cs b/EnvelopeGenerator.Web/Controllers/Test/TestEnvelopeReceiverController.cs
index 5b45543c..1c8e0054 100644
--- a/EnvelopeGenerator.Web/Controllers/Test/TestEnvelopeReceiverController.cs
+++ b/EnvelopeGenerator.Web/Controllers/Test/TestEnvelopeReceiverController.cs
@@ -5,16 +5,26 @@ using Microsoft.AspNetCore.Mvc;
 using EnvelopeGenerator.Application.Dto.EnvelopeReceiver;
 using EnvelopeGenerator.Application.Interfaces.Services;
 using DigitalData.Core.Abstraction.Application.DTO;
+using AutoMapper;
+using EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
+using MediatR;
+using EnvelopeGenerator.Application.Extensions;
 
 namespace EnvelopeGenerator.Web.Controllers.Test;
 
 [Obsolete("Use MediatR")]
 public class TestEnvelopeReceiverController : ReadControllerBase<IEnvelopeReceiverService, EnvelopeReceiverDto, EnvelopeReceiver, (int Envelope, int Receiver)>
 {
-    public TestEnvelopeReceiverController(ILogger<TestEnvelopeReceiverController> logger, IEnvelopeReceiverService service) : base(logger, service)
+    private readonly IMediator _mediator;
+
+    public TestEnvelopeReceiverController(ILogger<TestEnvelopeReceiverController> logger, IEnvelopeReceiverService service, IMediator mediator) : base(logger, service)
     {
+        _mediator = mediator;
     }
 
+    [HttpGet]
+    public async Task<IActionResult> Get([FromQuery] ReadEnvelopeReceiverQuery q) => Ok(await _mediator.Send(q).ThrowIfNull());
+
     [HttpGet("verify-access-code/{envelope_receiver_id}")]
     public async Task<IActionResult> VerifyAccessCode([FromRoute] string envelope_receiver_id, [FromQuery] string access_code)
     {