Правки

backend/src/Modules/Relations/Application/Contacts/DeclineContactRequest.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Knot.Modules.Relations.Application.Abstractions;
+using Knot.Modules.Relations.Domain;
+using Knot.Shared.Kernel;
+using Microsoft.EntityFrameworkCore;
+
+namespace Knot.Modules.Relations.Application.Contacts;
+
+public record DeclineContactRequestCommand(Guid UserId, Guid RequestId) : ICommand<bool>;
+
+internal sealed class DeclineContactRequestCommandHandler : ICommandHandler<DeclineContactRequestCommand, bool>
+{
+    private readonly IContactsDbContext _context;
+
+    public DeclineContactRequestCommandHandler(IContactsDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<Result<bool>> Handle(DeclineContactRequestCommand request, CancellationToken cancellationToken)
+    {
+        var contact = await _context.Contacts.FirstOrDefaultAsync(c => c.Id == request.RequestId, cancellationToken);
+        if (contact == null || contact.ContactId != request.UserId)
+        {
+            return Result.Failure<bool>(new Error("Contacts.NotFound", "Contact request not found."));
+        }
+
+        contact.Decline();
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return Result.Success(true);
+    }
+}