Added null parameter

Reviewed-on: #23
Reviewed-by: defnotken <defnotken@noreply.git.lightless-sync.org>

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.Groups.cs

@@ -803,8 +803,8 @@ public partial class LightlessHub
                                  cancellationToken)
             .ConfigureAwait(false);
 
-        ImageCheckService.ImageLoadResult profileResult = null;
-        ImageCheckService.ImageLoadResult bannerResult = null;
+        ImageCheckService.ImageLoadResult profileResult = new();
+        ImageCheckService.ImageLoadResult bannerResult = new();
 
         //Avatar image validation
         if (!string.IsNullOrEmpty(dto.PictureBase64))
@@ -839,7 +839,7 @@ public partial class LightlessHub
                 IsNSFW = dto.IsNsfw ?? false,
             };
 
-            groupProfileDb.UpdateProfileFromDto(dto, profileResult.Base64Image, bannerResult.Base64Image);
+            groupProfileDb.UpdateProfileFromDto(dto, profileResult?.Base64Image, bannerResult?.Base64Image);
             await DbContext.GroupProfiles.AddAsync(groupProfileDb, cancellationToken).ConfigureAwait(false);
         }
         else
@@ -850,7 +850,7 @@ public partial class LightlessHub
                 return;
             }
 
-            groupProfileDb.UpdateProfileFromDto(dto, profileResult.Base64Image, bannerResult.Base64Image);
+            groupProfileDb.UpdateProfileFromDto(dto, profileResult?.Base64Image, bannerResult?.Base64Image);
 
             var userIds = await DbContext.GroupPairs
                 .Where(p => p.GroupGID == groupProfileDb.GroupGID)

LightlessSyncServer/LightlessSyncServer/Utils/Extensions.cs

@@ -17,22 +17,22 @@ public static class Extensions
 
         if (profile == null || dto == null) return;
 
-        profile.Base64GroupProfileImage = string.IsNullOrWhiteSpace(base64PictureString) ? null : base64PictureString;
-        profile.Base64GroupBannerImage = string.IsNullOrWhiteSpace(base64BannerString) ? null : base64BannerString;
+        if (base64PictureString != null) profile.Base64GroupProfileImage = base64PictureString;
+        if (base64BannerString != null) profile.Base64GroupBannerImage = base64BannerString;
         if (dto.Tags != null) profile.Tags = dto.Tags;
         if (dto.Description != null) profile.Description = dto.Description;
         if (dto.IsNsfw.HasValue) profile.IsNSFW = dto.IsNsfw.Value;
     }
 
-    public static void UpdateProfileFromDto(this UserProfileData profile, UserProfileDto dto, string? base64PictureString, string? base64BannerString = null)
+    public static void UpdateProfileFromDto(this UserProfileData profile, UserProfileDto dto, string? base64PictureString = null, string? base64BannerString = null)
     {
         ArgumentNullException.ThrowIfNull(profile);
         ArgumentNullException.ThrowIfNull(dto);
 
         if (profile == null || dto == null) return;
 
-        profile.Base64ProfileImage = string.IsNullOrWhiteSpace(base64PictureString) ? null : base64PictureString;
-        profile.Base64BannerImage = string.IsNullOrWhiteSpace(base64BannerString) ? null : base64BannerString;
+        if (base64PictureString != null) profile.Base64ProfileImage = base64PictureString;
+        if (base64BannerString != null) profile.Base64BannerImage = base64BannerString;
         if (dto.Tags != null) profile.Tags = dto.Tags;
         if (dto.Description != null) profile.UserDescription = dto.Description;
         if (dto.IsNSFW.HasValue) profile.IsNSFW = dto.IsNSFW.Value;