//public DbContextBase(DbContextOptions options)
// : base(options)
//{
// SavingChanges += PreSave;
//}
//protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
//{
// if (!optionsBuilder.IsConfigured)
// {
// throw new Exception("数据库连接字符串未定义");
// }
//}
public virtual void PreSave(object sender, SavingChangesEventArgs e)
{
var httpContext = HttpOptions.GetContext();
var userToken = httpContext.getUserToken();
var userId = userToken?.userid;
var context = (sender as DbContext);
if (context != null)
{
var entitys = context.ChangeTracker.Entries();
foreach (var entry in entitys)
{
var thisEntity = (entry.Entity as EntityBase);
if (thisEntity == null)
{
continue;
}
switch (entry.State)
{
case EntityState.Detached:
break;
case EntityState.Unchanged:
break;
case EntityState.Deleted:
entry.State = EntityState.Modified;
thisEntity.IsDeleted = true;
thisEntity.ModifiedOn = DateTime.Now;
thisEntity.ModifiedBy = userId;
break;
case EntityState.Modified:
thisEntity.ModifiedOn = DateTime.Now;
thisEntity.ModifiedBy = userId;
break;
case EntityState.Added:
thisEntity.Id = Guid.NewGuid();
thisEntity.CreatedOn = thisEntity.ModifiedOn = DateTime.Now;
thisEntity.CreatedBy = thisEntity.ModifiedBy = thisEntity.OwnerUserId = userId;
break;
default:
break;
}
}
}
}