chore(codebase): full cleanup pass

backend/Modules/Creators/Features/ChangeSlug.cs

@@ -1,5 +1,6 @@
 using Hutopy.Infrastructure.Security;
 using Hutopy.Modules.Creators.Data;
+using Microsoft.EntityFrameworkCore.Storage;
 
 namespace Hutopy.Modules.Creators.Features;
 
@@ -17,7 +18,7 @@ internal sealed class ChangeSlugRequestValidator
         RuleFor(r => r.CreatorId)
             .NotNull().WithMessage("You should specify the CreatorId")
             .NotEmpty().WithMessage("You should specify a valid/not empty CreatorId");
-        
+
         RuleFor(r => r.SlugReservationId)
             .NotNull().WithMessage("You should specify the SlugReservationId")
             .NotEmpty().WithMessage("You should specify a valid/not empty SlugReservationId");
@@ -39,15 +40,15 @@ public class ChangeSlugHandler(
         ChangeSlugRequest request,
         CancellationToken ct)
     {
-        await using var transaction = await context.Database.BeginTransactionAsync(ct);
+        await using IDbContextTransaction transaction = await context.Database.BeginTransactionAsync(ct);
 
         try
         {
-            var creator = await context
+            Creator creator = await context
                 .Creators
                 .SingleAsync(
                     c => c.Id == request.CreatorId,
-                    cancellationToken: ct);
+                    ct);
 
             if (creator.CreatedBy != User.GetUserId())
             {
@@ -55,7 +56,7 @@ public class ChangeSlugHandler(
                 return;
             }
 
-            var reservation = await context
+            Slugs? reservation = await context
                 .Slugs
                 .FirstOrDefaultAsync(
                     s => s.Id == request.SlugReservationId,
@@ -67,7 +68,7 @@ public class ChangeSlugHandler(
                 return;
             }
 
-            var previousReservation = await context
+            Slugs? previousReservation = await context
                 .Slugs
                 .FirstOrDefaultAsync(
                     s => s.UsedBy == request.CreatorId,