<?php

class PreorderHistory extends mfBaseModel {
    private $preorder;
    private $creator;
    private $editor;

    private $old;
    private $new;

    public function getValue($type = "new", $raw = false) {
        if($type != "old" && $type != "new") return null;

        if($type == "new") {
            $value = $this->new_value;
        } else {
            $value = $this->old_value;
        }

        if($raw) {
            return $value;
        }

        $m = [];
        if(preg_match('/(.+)_id/', $this->key, $m)) {
            if(array_key_exists(1, $m)) {
                $object = ucfirst($m[1]);

                $value = new $object($value);
                if(!$value->id) return null;
            }
        }

        return $value;

    }

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

            if($name == "old" || $name == "new") {
                return $this->getValue($name, false);
            }

            if($name == "old_raw") {
                return $this->getValue("old", true);
            }
            if($name == "new_raw") {
                return $this->getValue("new", true);
            }

            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 = new $classname($this->$idfield);

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

        return $this->$name;
    }
}