From 7aa53504842c010719a6007790558f294ca079d2 Mon Sep 17 00:00:00 2001
From: XShine555 <xshine555@gmail.com>
Date: Mon, 6 Jul 2026 02:20:47 +0200
Subject: [PATCH] fix(playlists): reject empty/whitespace name and description
 on update

---
 .../Validators/PlayLists/UpdatePlayListRequestValidator.cs    | 2 ++
 backend/Musify.Application/PlayLists/UpdatePlayList.cs        | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/backend/Musify.Api/Validators/PlayLists/UpdatePlayListRequestValidator.cs b/backend/Musify.Api/Validators/PlayLists/UpdatePlayListRequestValidator.cs
index defc147..7d35d9b 100644
--- a/backend/Musify.Api/Validators/PlayLists/UpdatePlayListRequestValidator.cs
+++ b/backend/Musify.Api/Validators/PlayLists/UpdatePlayListRequestValidator.cs
@@ -8,10 +8,12 @@ public sealed class UpdatePlayListRequestValidator : AbstractValidator<UpdatePla
     public UpdatePlayListRequestValidator()
     {
         RuleFor(x => x.NewName)
+            .NotEmpty()
             .MaximumLength(50)
             .When(x => x.NewName is not null);
 
         RuleFor(x => x.NewDescription)
+            .NotEmpty()
             .MaximumLength(256)
             .When(x => x.NewDescription is not null);
     }
diff --git a/backend/Musify.Application/PlayLists/UpdatePlayList.cs b/backend/Musify.Application/PlayLists/UpdatePlayList.cs
index 40f2440..5586d3d 100644
--- a/backend/Musify.Application/PlayLists/UpdatePlayList.cs
+++ b/backend/Musify.Application/PlayLists/UpdatePlayList.cs
@@ -45,13 +45,13 @@ namespace Musify.Application.PlayLists
                 return Error.Unauthorized();
             }
 
-            if (request.NewName is not null)
+            if (!string.IsNullOrWhiteSpace(request.NewName))
             {
                 playListEntity.Name = request.NewName;
                 playListEntity.NormalizedName = request.NewName.Trim().ToUpperInvariant();
             }
 
-            if (request.NewDescription is not null)
+            if (!string.IsNullOrWhiteSpace(request.NewDescription))
             {
                 playListEntity.Description = request.NewDescription;
             }