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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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 * Action to delete (or hide) a question, or restore a previously hidden question.
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 *
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 * @package   qbank_deletequestion
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 * @copyright 2009 Tim Hunt
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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 qbank_deletequestion;
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use core_question\local\bank\question_version_status;
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use core_question\local\bank\question_action_base;
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/**
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 * Action to delete (or hide) a question, or restore a previously hidden question.
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 *
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 * @package   qbank_deletequestion
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 * @copyright 2009 Tim Hunt
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 * @author    2021 Safat Shahin <safatshahin@catalyst-au.net>
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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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class delete_action extends question_action_base {
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    /**
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     * @var string $strdelete
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     */
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    protected $strdelete;
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    /**
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     * @var string $strrestore
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     */
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    protected $strrestore;
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    /**
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     * Contains the url of the delete question page.
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     * @var \moodle_url|string
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     */
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    public $deletequestionurl;
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    /**
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     * Array of the return parameters.
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     * @var array $returnparams
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     */
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    protected $returnparams;
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    public function init(): void {
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        parent::init();
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        $this->strdelete = get_string('delete');
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        $this->strrestore = get_string('restore');
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        $this->deletequestionurl = new \moodle_url('/question/bank/deletequestion/delete.php');
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        if (!empty($this->qbank->cm->id)) {
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            $this->returnparams['cmid'] = $this->qbank->cm->id;
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        }
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        if (!empty($this->qbank->course->id)) {
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            $this->returnparams['courseid'] = $this->qbank->course->id;
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        }
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        if (!empty($this->qbank->returnurl)) {
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            $this->returnparams['returnurl'] = $this->qbank->returnurl;
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        }
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    }
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    public function get_menu_position(): int {
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        return 400;
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    }
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    protected function get_url_icon_and_label(\stdClass $question): array {
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        if (!question_has_capability_on($question, 'edit')) {
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            return [null, null, null];
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        }
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        if ($question->status === question_version_status::QUESTION_STATUS_HIDDEN) {
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            $hiddenparams = array(
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                    'unhide' => $question->id,
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                    'sesskey' => sesskey());
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            $hiddenparams = array_merge($hiddenparams, $this->returnparams);
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            $url = new \moodle_url($this->deletequestionurl, $hiddenparams);
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            return [$url, 't/restore', $this->strrestore];
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        } else {
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            $deleteparams = array(
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                    'deleteselected' => $question->id,
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                    'q' . $question->id => 1,
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                    'sesskey' => sesskey());
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            $deleteparams = array_merge($deleteparams, $this->returnparams);
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            if ($this->qbank->base_url()->get_param('deleteall')) {
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                $deleteparams['deleteall'] = 1;
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            }
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            $url = new \moodle_url($this->deletequestionurl, $deleteparams);
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            return [$url, 't/delete', $this->strdelete];
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        }
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    }
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}