Umbraco-CMS/src/Umbraco.Core/Services/AuditService.cs

using System;
using Umbraco.Core.Events;
using Umbraco.Core.Logging;
using Umbraco.Core.Models;
using Umbraco.Core.Persistence;
using Umbraco.Core.Persistence.UnitOfWork;

namespace Umbraco.Core.Services
{
    public sealed class AuditService : RepositoryService, IAuditService
    {
        public AuditService(IDatabaseUnitOfWorkProvider provider, RepositoryFactory repositoryFactory, ILogger logger, IEventMessagesFactory eventMessagesFactory)
            : base(provider, repositoryFactory, logger, eventMessagesFactory)
        {
        }

        public void Add(AuditType type, string comment, int userId, int objectId)
        {
            var uow = UowProvider.GetUnitOfWork();
            using (var repo = RepositoryFactory.CreateAuditRepository(uow))
            {
                repo.AddOrUpdate(new AuditItem(objectId, comment, type, userId));
                uow.Commit();
            }
        }
    }
}