From eda7804f9fa5ff467ee1037257c8a0899854c4b3 Mon Sep 17 00:00:00 2001
From: Veljko Tosic <veljkotosic6@gmail.com>
Date: Wed, 18 Feb 2026 20:21:05 +0100
Subject: [PATCH] For getting whiteboard info

---
 .../Query/GetWhiteboard/GetWhiteboardQuery.cs |  5 ++++
 .../GetWhiteboardQueryHandler.cs              | 23 +++++++++++++++++++
 .../Controllers/WhiteboardController.cs       | 15 +++++++++++-
 3 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQuery.cs
 create mode 100644 dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQueryHandler.cs

diff --git a/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQuery.cs b/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQuery.cs
new file mode 100644
index 0000000..f7bf3e6
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQuery.cs
@@ -0,0 +1,5 @@
+using AipsCore.Application.Abstract.Query;
+
+namespace AipsCore.Application.Models.Whiteboard.Query.GetWhiteboard;
+
+public record GetWhiteboardQuery(string WhiteboardId) : IQuery<Infrastructure.Persistence.Whiteboard.Whiteboard?>;
\ No newline at end of file
diff --git a/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQueryHandler.cs b/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQueryHandler.cs
new file mode 100644
index 0000000..af3cc85
--- /dev/null
+++ b/dotnet/AipsCore/Application/Models/Whiteboard/Query/GetWhiteboard/GetWhiteboardQueryHandler.cs
@@ -0,0 +1,23 @@
+using AipsCore.Application.Abstract.Query;
+using AipsCore.Infrastructure.Persistence.Db;
+using Microsoft.EntityFrameworkCore;
+
+namespace AipsCore.Application.Models.Whiteboard.Query.GetWhiteboard;
+
+public class GetWhiteboardQueryHandler 
+    : IQueryHandler<GetWhiteboardQuery, Infrastructure.Persistence.Whiteboard.Whiteboard?>
+{
+    private readonly AipsDbContext _context;
+    
+    public GetWhiteboardQueryHandler(AipsDbContext context)
+    {
+        _context = context;
+    }
+    
+    public async Task<Infrastructure.Persistence.Whiteboard.Whiteboard?> Handle(GetWhiteboardQuery query, CancellationToken cancellationToken = default)
+    {
+        return await _context.Whiteboards
+            .Where(w => w.Id.ToString() == query.WhiteboardId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+}
\ No newline at end of file
diff --git a/dotnet/AipsWebApi/Controllers/WhiteboardController.cs b/dotnet/AipsWebApi/Controllers/WhiteboardController.cs
index 44467bd..0bbc8d3 100644
--- a/dotnet/AipsWebApi/Controllers/WhiteboardController.cs
+++ b/dotnet/AipsWebApi/Controllers/WhiteboardController.cs
@@ -1,6 +1,7 @@
 using AipsCore.Application.Abstract;
 using AipsCore.Application.Models.Whiteboard.Command.CreateWhiteboard;
 using AipsCore.Application.Models.Whiteboard.Query.GetRecentWhiteboards;
+using AipsCore.Application.Models.Whiteboard.Query.GetWhiteboard;
 using AipsCore.Application.Models.Whiteboard.Query.GetWhiteboardHistory;
 using AipsCore.Application.Models.WhiteboardMembership.Command.CreateWhiteboardMembership;
 using Microsoft.AspNetCore.Authorization;
@@ -22,11 +23,23 @@ public class WhiteboardController : ControllerBase
     
     [Authorize]
     [HttpPost]
-    public async Task<ActionResult<int>> CreateWhiteboard(CreateWhiteboardCommand command, CancellationToken cancellationToken)
+    public async Task<ActionResult<string>> CreateWhiteboard(CreateWhiteboardCommand command, CancellationToken cancellationToken)
     {
         var whiteboardId = await _dispatcher.Execute(command, cancellationToken);
         return Ok(whiteboardId.IdValue);
     }
+    
+    [Authorize]
+    [HttpGet("{whiteboardId}")]
+    public async Task<ActionResult<Whiteboard>> GetWhiteboardById([FromRoute] string whiteboardId, CancellationToken cancellationToken)
+    {
+        var whiteboard = await _dispatcher.Execute(new GetWhiteboardQuery(whiteboardId), cancellationToken);
+        if (whiteboard == null)
+        {
+            return NotFound();
+        }
+        return Ok(whiteboard);
+    }
 
     [Authorize]
     [HttpGet("history")]