<?php

class ContractFile extends mfBaseModel {
    protected $file;

    public function isImage() {
        if(!$this->id) {
            return false;
        }

        $file = $this->getProperty("file");
        if(preg_match('#^image/#i', $file->mimetype)) {
            return true;
        }

        return false;
    }

    public function getProperty($name) {
        if($this->$name == null) {

            if(!$this->id) {
                return null;
            }

            if($name == "creator") {
                $this->creator = new User($this->create_by);
                return $this->creator;
            }

            if($name == "editor") {
                $this->editor = new User($this->edit_by);
                return $this->editor;
            }

            $classname = ucfirst($name);
            $idfield = $name."_id";
            $this->$name = new $classname($this->$idfield);

            if($this->$name->id) {
                return $this->$name;
            } else {
                return null;
            }
        }

        return $this->$name;
    }
}