Add cache key to GetByUserName

src/Umbraco.Infrastructure/Cache/MemberRepositoryUsernameCachePolicy.cs

@@ -0,0 +1,33 @@
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Infrastructure.Scoping;
+using Umbraco.Extensions;
+
+namespace Umbraco.Cms.Core.Cache;
+
+public class MemberRepositoryUsernameCachePolicy : DefaultRepositoryCachePolicy<IMember, string>
+{
+    public MemberRepositoryUsernameCachePolicy(IAppPolicyCache cache, IScopeAccessor scopeAccessor, RepositoryCachePolicyOptions options) : base(cache, scopeAccessor, options)
+    {
+    }
+
+    public IMember? GetByUserName(string key, string? username, Func<string?, IMember?> performGetByUsername, Func<string[]?, IEnumerable<IMember>?> performGetAll)
+    {
+        var cacheKey = GetEntityCacheKey(key + username);
+        IMember? fromCache = Cache.GetCacheItem<IMember>(cacheKey);
+
+        // if found in cache then return else fetch and cache
+        if (fromCache != null)
+        {
+            return fromCache;
+        }
+
+        IMember? entity = performGetByUsername(username);
+
+        if (entity != null && entity.HasIdentity)
+        {
+            InsertEntity(cacheKey, entity);
+        }
+
+        return entity;
+    }
+}

src/Umbraco.Infrastructure/Persistence/Repositories/Implement/MemberRepository.cs

@@ -30,7 +30,7 @@ namespace Umbraco.Cms.Infrastructure.Persistence.Repositories.Implement;
 public class MemberRepository : ContentRepositoryBase<int, IMember, MemberRepository>, IMemberRepository
 {
     private readonly IJsonSerializer _jsonSerializer;
-    private readonly IRepositoryCachePolicy<IMember, string> _memberByUsernameCachePolicy;
+    private readonly MemberRepositoryUsernameCachePolicy _memberByUsernameCachePolicy;
     private readonly IMemberGroupRepository _memberGroupRepository;
     private readonly IMemberTypeRepository _memberTypeRepository;
     private readonly MemberPasswordConfigurationSettings _passwordConfiguration;
@@ -67,7 +67,7 @@ public MemberRepository(
         _memberGroupRepository = memberGroupRepository;
         _passwordConfiguration = passwordConfiguration.Value;
         _memberByUsernameCachePolicy =
-            new DefaultRepositoryCachePolicy<IMember, string>(GlobalIsolatedCache, ScopeAccessor, DefaultOptions);
+            new MemberRepositoryUsernameCachePolicy(GlobalIsolatedCache, ScopeAccessor, DefaultOptions);
     }
 
     /// <summary>
@@ -228,7 +228,7 @@ public override IEnumerable<IMember> GetPage(IQuery<IMember>? query,
     }
 
     public IMember? GetByUsername(string? username) =>
-        _memberByUsernameCachePolicy.Get(username, PerformGetByUsername, PerformGetAllByUsername);
+        _memberByUsernameCachePolicy.GetByUserName("uRepo_userNameKey+", username, PerformGetByUsername, PerformGetAllByUsername);
 
     public int[] GetMemberIds(string[] usernames)
     {