/// <summary>
/// 检查最后修改时间
/// </summary>
/// <typeparam name="TUserKey"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public TEntity CheckIModificationAudited <TUserKey>(TEntity entity)
where TUserKey : struct, IEquatable <TUserKey>
{
if (!entity.GetType().IsBaseOn(typeof(IModificationAudited <>)))
{
return(entity);
}
IModificationAudited <TUserKey> entity1 = (IModificationAudited <TUserKey>)entity;
entity1.LastModifierUserId = _principal?.Identity?.GetUesrId <TUserKey>();
entity1.LastModifionTime = DateTime.Now;
return((TEntity)entity1);
}
public static void SetModificationAuditProperties(object entityAsObj, long?userId)
{
if (entityAsObj is IHasModificationTime)
{
Extensions.As <IHasModificationTime>(entityAsObj).LastModificationTime = DateTime.Now;
}
if (entityAsObj is IModificationAudited)
{
IModificationAudited modificationAudited = Extensions.As <IModificationAudited>(entityAsObj);
if (!userId.HasValue)
{
modificationAudited.LastModifierUserId = null;
}
else
{
modificationAudited.LastModifierUserId = userId;
}
}
}
protected virtual void SetModificationAuditProperties(DbEntityEntry entry, long?userId)
{
if (entry.Entity is IHasModificationTime)
{
entry.Cast <IHasModificationTime>().Entity.LastModificationTime = Clock.Now;
}
if (entry.Entity is IModificationAudited)
{
IModificationAudited entity = entry.Cast <IModificationAudited>().Entity;
if (userId == null)
{
entity.LastModifierUserId = null;
return;
}
entity.LastModifierUserId = userId;
}
}
public static void SetModificationAuditProperties(object entityAsObj, int?userId)
{
if (entityAsObj is IHasModificationTime)
{
entityAsObj.As <IHasModificationTime>().LastUpdatedDate = new DateTime?(DateTime.Now);
}
if (!(entityAsObj is IModificationAudited))
{
return;
}
IModificationAudited modificationAudited = entityAsObj.As <IModificationAudited>();
if (!userId.HasValue)
{
modificationAudited.LastUpdatedUserId = new int?();
}
else
{
modificationAudited.LastUpdatedUserId = userId;
}
}
public override Task <int> SaveChangesAsync(CancellationToken cancellationToken = default)
{
foreach (var entry in ChangeTracker.Entries().ToList())
{
switch (entry.State)
{
case EntityState.Added:
{
IHasCreationTime hasCreation = entry.Entity as IHasCreationTime;
if (hasCreation == null)
{
continue;
}
hasCreation.CreationTime = DateTime.Now;
ICreationAudited creationAudited = entry.Entity as ICreationAudited;
if (creationAudited == null)
{
continue;
}
if (UserIdentifier != null && UserIdentifier.UserId.HasValue)
{
creationAudited.CreatorUserId = UserIdentifier.UserId.Value;
}
}
break;
case EntityState.Modified:
{
IHasModificationTime hasModification = entry.Entity as IHasModificationTime;
if (hasModification == null)
{
continue;
}
hasModification.LastModificationTime = DateTime.Now;
IModificationAudited modificationAudited = entry.Entity as IModificationAudited;
if (modificationAudited == null)
{
continue;
}
if (UserIdentifier != null && UserIdentifier.UserId.HasValue)
{
modificationAudited.LastModifierUserId = UserIdentifier.UserId.Value;
}
}
break;
case EntityState.Deleted:
{
IHasDeletionTime hasDeletion = entry.Entity as IHasDeletionTime;
if (hasDeletion == null)
{
continue;
}
entry.Reload();
entry.State = EntityState.Modified;
hasDeletion.DeletionTime = DateTime.Now;
hasDeletion.IsDeleted = true;
IDeletionAudited deletionAudited = entry.Entity as IDeletionAudited;
if (deletionAudited == null)
{
continue;
}
if (UserIdentifier != null && UserIdentifier.UserId.HasValue)
{
deletionAudited.DeleterUserId = UserIdentifier.UserId.Value;
}
}
break;
}
}
return(base.SaveChangesAsync(cancellationToken));
}