Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

declare(strict_types=1);

namespace core_reportbuilder;

use context;

use context_system;

use core_reportbuilder\local\helpers\audience;

use core_reportbuilder\local\models\report;

use core_reportbuilder\local\report\base;

/**

 * Report permission class

 *

 * @package     core_reportbuilder

 * @copyright   2021 Paul Holden <paulh@moodle.com>

 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class permission {

    /**

     * Require given user can view reports list

     *

     * @param int|null $userid User ID to check, or the current user if omitted

     * @param context|null $context

     * @throws report_access_exception

     */

    public static function require_can_view_reports_list(?int $userid = null, ?context $context = null): void {

        if (!static::can_view_reports_list($userid, $context)) {

            throw new report_access_exception();

        }

    }

    /**

     * Whether given user can view reports list

     *

     * @param int|null $userid User ID to check, or the current user if omitted

     * @param context|null $context

     * @return bool

     */

    public static function can_view_reports_list(?int $userid = null, ?context $context = null): bool {

        global $CFG;

        if ($context === null) {

            $context = context_system::instance();

        }

        return !empty($CFG->enablecustomreports) && has_any_capability([

            'moodle/reportbuilder:edit',

            'moodle/reportbuilder:editall',

            'moodle/reportbuilder:view',

            'moodle/reportbuilder:viewall',

        ], $context, $userid);

    }

    /**

     * Require given user can view report

     *

     * @param report $report

     * @param int|null $userid User ID to check, or the current user if omitted

     * @throws report_access_exception

     */

    public static function require_can_view_report(report $report, ?int $userid = null): void {

        if (!static::can_view_report($report, $userid)) {

            throw new report_access_exception('errorreportview');

        }

    }

    /**

     * Whether given user can view report

     *

     * @param report $report

     * @param int|null $userid User ID to check, or the current user if omitted

     * @return bool

     */

    public static function can_view_report(report $report, ?int $userid = null): bool {

        if (!static::can_view_reports_list($userid, $report->get_context())) {

            return false;

        }

        if (has_capability('moodle/reportbuilder:viewall', $report->get_context(), $userid)) {

            return true;

        }

        if (self::can_edit_report($report, $userid)) {

            return true;

        }

        $reports = audience::user_reports_list($userid);

        return in_array($report->get('id'), $reports);

    }

    /**

     * Require given user can edit report

     *

     * @param report $report

     * @param int|null $userid User ID to check, or the current user if omitted

     * @throws report_access_exception

     */

    public static function require_can_edit_report(report $report, ?int $userid = null): void {

        if (!static::can_edit_report($report, $userid)) {

            throw new report_access_exception('errorreportedit');

        }

    }

    /**

     * Whether given user can edit report

     *

     * @param report $report

     * @param int|null $userid User ID to check, or the current user if omitted

     * @return bool

     */

    public static function can_edit_report(report $report, ?int $userid = null): bool {

        global $CFG, $USER;

        if (empty($CFG->enablecustomreports)) {

            return false;

        }

        // We can only edit custom reports.

        if ($report->get('type') !== base::TYPE_CUSTOM_REPORT) {

            return false;

        }

        // To edit their own reports, users must have either of the 'edit' or 'editall' capabilities. For reports belonging

        // to other users, they must have the specific 'editall' capability.

        $userid = $userid ?: (int) $USER->id;

        if ($report->get('usercreated') === $userid) {

            return has_any_capability([

                'moodle/reportbuilder:edit',

                'moodle/reportbuilder:editall',

            ], $report->get_context(), $userid);

        } else {

            return has_capability('moodle/reportbuilder:editall', $report->get_context(), $userid);

        }

    }

    /**

     * Whether given user can create a new report

     *

     * @param int|null $userid User ID to check, or the current user if omitted

     * @param context|null $context

     * @return bool

     */

    public static function can_create_report(?int $userid = null, ?context $context = null): bool {

        global $CFG;

        if ($context === null) {

            $context = context_system::instance();

        }

        return !empty($CFG->enablecustomreports) && has_any_capability([

            'moodle/reportbuilder:edit',

            'moodle/reportbuilder:editall',

        ], $context, $userid) && !manager::report_limit_reached();

    }

    /**

     * Require given user can create a new report

     *

     * @param int|null $userid User ID to check, or the current user if omitted

     * @param context|null $context

     * @throws report_access_exception

     */

    public static function require_can_create_report(?int $userid = null, ?context $context = null): void {

        if (!static::can_create_report($userid, $context)) {

            throw new report_access_exception('errorreportcreate');

        }

    }

}