<?php

class ContractconfigValue extends mfBaseModel {
  private $item;
  
  public function set($new_value) {
    $item = $this->getProperty("item");
    
    $me = new User();
    $me->loadMe();
    $this->edit_by = $me->id;
    
    if($new_value === null || strlen($new_value) == 0) {
      $this->int = null;
      $this->number = null;
      $this->string = null;
      return true;
    }
    
    if($item->type == "int") {
      if(!is_numeric($new_value)) return false;
      $this->int = $new_value;
    } elseif($item->type == "decimal") {
      if(!is_float($new_value) && !is_numeric($new_value)) return false;
      $this->number = $new_value;
    } elseif(is_scalar($new_value)) {
      $this->string = $new_value;
    } else {
      return false;
    }
    
    return true;
  }
  
  public function getProperty($name) {
    if($this->$name == null) {
      
      if(!$this->id) {
        return null;
      }
      
      if($name == "item") {
        $this->item = new ContractconfigItem($this->item_id);
        if(!$this->item->id) {
          return null;
        }
        return $this->item;
      }
      
      $classname = ucfirst($name);
      $idfield = $name."_id";
      $this->$name = new $classname($this->$idfield);
      
      if($this->$name->id) {
        return $this->$name;
      } else {
        return null;
      }
    }
    
    return $this->$name;
  }
}