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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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namespace qbank_comment;
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use core_question\local\bank\column_base;
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use question_bank;
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/**
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* A column to show the number of comments.
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*
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* @package qbank_comment
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* @copyright 2021 Catalyst IT Australia Pty Ltd
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* @author 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 comment_count_column extends column_base {
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/**
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* @var bool Comments enabled or not from config.
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*/
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protected $commentsenabled = true;
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/**
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* Load javascript module if enabled.
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*
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* @return void
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*/
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public function init(): void {
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parent::init();
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$this->check_comments_status();
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if ($this->commentsenabled) {
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global $PAGE;
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$PAGE->requires->js_call_amd('qbank_comment/comment', 'init');
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}
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}
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/**
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* Check if comments is turned on in the system or not.
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*/
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protected function check_comments_status(): void {
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global $CFG;
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if (!$CFG->usecomments) {
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$this->commentsenabled = false;
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}
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}
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/**
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* Get the name of the column, used internally.
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*
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* @return string
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*/
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public function get_name(): string {
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return 'commentcount';
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}
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/**
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* Get the title of the column that will be displayed.
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*
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* @return string
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*/
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public function get_title(): string {
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return get_string('commentplural', 'qbank_comment');
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}
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/**
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* Generate the content to be displayed.
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*
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* @param object $question The question object.
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* @param string $rowclasses Classes that can be added.
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*/
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protected function display_content($question, $rowclasses): void {
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global $DB;
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$syscontext = \context_system::instance();
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$args = [
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'component' => 'qbank_comment',
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'commentarea' => 'question',
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'itemid' => $question->id,
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'contextid' => $syscontext->id,
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];
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$commentcount = $DB->count_records('comments', $args);
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$attributes = [];
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if (question_has_capability_on($question, 'comment')) {
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$target = 'questioncommentpreview_' . $question->id;
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$attributes = [
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'href' => '#',
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'data-target' => $target,
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'data-questionid' => $question->id,
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'data-courseid' => $this->qbank->course->id,
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'data-contextid' => $syscontext->id,
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];
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}
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echo \html_writer::tag('a', $commentcount, $attributes);
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}
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public function get_extra_classes(): array {
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return ['pr-3'];
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}
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public function get_default_width(): int {
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return 150;
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}
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}
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