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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * This file contains the assignsubmission_provider interface.
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 *
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 * Assignment Sub plugins should implement this if they store personal information.
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 *
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 * @package mod_assign
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 * @copyright 2018 Adrian Greeve <adrian@moodle.com>
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 *
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 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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namespace mod_assign\privacy;
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use core_privacy\local\request\contextlist;
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defined('MOODLE_INTERNAL') || die();
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interface assignsubmission_provider extends \core_privacy\local\request\plugin\subplugin_provider {
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    /**
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     * Retrieves the contextids associated with the provided userid for this subplugin.
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     * NOTE if your subplugin must have an entry in the assign_submission table to work, then this
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     * method can be empty.
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     *
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     * @param int $userid The user ID to get context IDs for.
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     * @param \core_privacy\local\request\contextlist $contextlist Use add_from_sql with this object to add your context IDs.
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     */
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    public static function get_context_for_userid_within_submission(int $userid, contextlist $contextlist);
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    /**
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     * Returns student user ids related to the provided teacher ID. If it is possible that a student ID will not be returned by
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     * the sql query in \mod_assign\privacy\provider::find_grader_info() Then you need to provide some sql to retrive those
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     * student IDs. This is highly likely if you had to fill in get_context_for_userid_within_submission above.
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     *
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     * @param  useridlist $useridlist A user ID list object that you can append your user IDs to.
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     */
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    public static function get_student_user_ids(useridlist $useridlist);
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    /**
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     * This method is used to export any user data this sub-plugin has using the assign_plugin_request_data object to get the
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     * context and userid.
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     * assign_plugin_request_data contains:
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     * - context
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     * - submission object
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     * - current path (subcontext)
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     * - user object
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     *
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     * @param  assign_plugin_request_data $exportdata Information to use to export user data for this sub-plugin.
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     */
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    public static function export_submission_user_data(assign_plugin_request_data $exportdata);
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    /**
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     * Any call to this method should delete all user data for the context defined in the deletion_criteria.
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     * assign_plugin_request_data contains:
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     * - context
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     * - assign object
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     *
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     * @param assign_plugin_request_data $requestdata Information to use to delete user data for this submission.
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     */
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    public static function delete_submission_for_context(assign_plugin_request_data $requestdata);
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    /**
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     * A call to this method should delete user data (where practicle) from the userid and context.
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     * assign_plugin_request_data contains:
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     * - context
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     * - submission object
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     * - user object
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     * - assign object
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     *
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     * @param  assign_plugin_request_data $exportdata Details about the user and context to focus the deletion.
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     */
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    public static function delete_submission_for_userid(assign_plugin_request_data $exportdata);
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}