<?php

class Productgroup extends mfBaseModel {
  private $products;
  private $contractconfiggroups;

    protected function beforeUpdate($data) {
        if(!array_key_exists("edit_by", $data)) {
            $me = new User();
            $me->loadMe();
            $data["edit_by"] = $me->id;
        }

        return $data;
    }

    public function getProperty($name) {
    if($this->$name == null) {
      
      if(!$this->id) {
        return null;
      }
      
      if($name == "products") {
        $this->products = mfValuecache::singleton()->get("Productgroup-id-".$this->id."-Products");
        if($this->products === null) {
          $this->products = ProductModel::search(['productgroup_id' => $this->id]);
          if($this->products) {
            mfValuecache::singleton()->set("Productgroup-id-".$this->id."-Products", $this->products);
          }
        }
        return $this->products;
      }
      
      if($name == "contractconfiggroups") {
        $this->contractconfiggroups = mfValuecache::singleton()->get("Contractconfiggroups-byProductgroupid-".$this->id);
        if($this->contractconfiggroups === null) {
          $this->contractconfiggroups = [];
          foreach(ContractconfiggroupProductgroupModel::search(['productgroup_id' => $this->id]) as $ccpg) {
            $this->contractconfiggroups[$ccpg->contractconfiggroup_id] = $ccpg->contractconfiggroup;
          }
          if(count($this->contractconfiggroups)) {
            mfValuecache::singleton()->set("Contractconfiggroups-byProductgroupid-".$this->id, $this->contractconfiggroups);
          }
        }
        return $this->contractconfiggroups;
      }
      
      if($name == "creator") {
        $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
        if($this->creator === null) {
          $this->creator = new User($this->create_by);
          if($this->creator->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
          }
        }
        return $this->creator;
      }
      
      if($name == "editor") {
        $this->editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
        if($this->editor === null) {
          $this->editor = new User($this->edit_by);
          if($this->editor->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->edit_by, $this->editor);
          }
        }
        return $this->editor;
      }
      
      
      $classname = ucfirst($name);
      $idfield = $name."_id";
      $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
      if(!$this->$name) {
        $this->$name = new $classname($this->$idfield);
      }
      
      if($this->$name->id) {
        mfValuecache::singleton()->set("mfObjectmodel-$name-".$this->$name->id, $this->$name);
        return $this->$name;
      } else {
        return null;
      }
      
    }
    
    return $this->$name;
  }
}