<?php

class User extends Model {
	public static $table = "users";

	public function is_favourite($doc) {
		$f = Favourite::find([
			["owner", "=", $this->id], 
			["document", "=", $doc]])->first();
		if ($f) {
			return true;
		}
		return false;
	}

	public function set_favourite($doc) {
		$f = Favourite::find([
			["owner", "=", $this->id], 
			["document", "=", $doc]])->first();
		if (!$f) {
			$f = new Favourite;
			$f->owner = $this->id;
			$f->document = $doc;
			$f->save();
		}
	}

	public function unset_favourite($doc) {
		$f = Favourite::find([
			["owner", "=", $this->id], 
			["document", "=", $doc]])->first();
		if ($f) {
			$f->delete();
		}
	}

	public function favourites() {
		$f = Favourite::find([
			["owner", "=", $this->id], 
		])->all();
		return $f;
	}
}