public static void Verify(DbContext dbContext, IEntity entity, int dmlType)
{
if (entity == null)
{
return;
}
Type entityType = entity.GetType();
if (dmlType != GlobalConstants.DML_OPERATION_INSERT && dmlType != GlobalConstants.DML_OPERATION_UPDATE && dmlType != GlobalConstants.DML_OPERATION_DELETE)
{
throw new BusinessException(GlobalConstants.EXCEPTION_CODE_PARAMETER_INVALID, "错误的dmlType");
}
if (dmlType == GlobalConstants.DML_OPERATION_INSERT)
{
if (dbContext.Find(entityType, entity.RecordId) != null)
{
throw new BusinessException(GlobalConstants.EXCEPTION_CODE_DATA_ALREADY_EXISTS, $"Id为{entity.RecordId}的{entityType}数据已存在!");
}
}
else if (dmlType == GlobalConstants.DML_OPERATION_UPDATE || dmlType == GlobalConstants.DML_OPERATION_DELETE)
{
if (dbContext.Find(entityType, entity.RecordId) == null)
{
throw new BusinessException(GlobalConstants.EXCEPTION_CODE_DATA_ALREADY_EXISTS, $"Id为{entity.RecordId}的{entityType}数据不存在!");
}
}
IVerifier verify = GetVerifier(entityType);
if (verify == null)
{
return;
}
verify.VerifyData(dbContext, entity, dmlType);
}