<?php

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

class Roles {

    const ROLE_VIEWBYID = 1;
    const ROLE_ADDEDIT = 2;
    const ROLE_ADDHIST = 3;
    const ROLE_VIEWBULK = 4;

    public static function has($apikey, $roleid) {
        global $database;
        return $database->has('permissions', ["AND" => ['apikey' => $apikey, 'roleid' => $roleid]]) === true;
    }

    public static function add($apikey, $roleid) {
        global $database;
        if (!$database->has('apikeys', ['apikey' => $apikey])) {
            throw new Exception("No such API key found.");
        }
        if (!$database->has('roles', ['roleid' => $roleid])) {
            throw new Exception("No such role ID found.");
        }
        if (!$database->has('permissions', ["AND" => ['apikey' => $apikey, 'roleid' => $roleid]])) {
            $database->insert('permissions', ['apikey' => $apikey, 'roleid' => $roleid]);
        }
    }

    public static function remove($apikey, $roleid) {
        global $database;
        if (!$database->has('apikeys', ['apikey' => $apikey])) {
            throw new Exception("No such API key found.");
        }
        if (!$database->has('roles', ['roleid' => $roleid])) {
            throw new Exception("No such role ID found.");
        }
        $database->delete('permissions', ["AND" => ['apikey' => $apikey, 'roleid' => $roleid]]);
    }

}