<?php

class System extends Model {
	protected $table = "systems";

    protected $_computed = [
        "documents" => "get_documents",
    ];

	public function get_documents() {
		$docs = SystemDoc::find([["system", "=", $this->id]])->all();
		$dl = new Collection;
		foreach ($docs as $d) {
			$doc = new Document($d->document);
			if ($doc) {
				$dl->add($doc);
			}
		}
		$dl->sort("title");
		return $dl;
	}

}