Actualización
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209
plugin/dashboard/block_course/block_course.class.php
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209
plugin/dashboard/block_course/block_course.class.php
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<?php
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/**
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* This file is part of course block plugin for dashboard,
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* it should be required inside dashboard controller for showing it into dashboard interface from plattform.
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*
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* @package chamilo.dashboard
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*
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* @author Christian Fasanando
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*/
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/**
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* This class is used like controller for this course block plugin,
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* the class name must be registered inside path.info file
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* (e.g: controller = "BlockCourse"), so dashboard controller will be instantiate it.
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*
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* @package chamilo.dashboard
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*/
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class BlockCourse extends Block
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{
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private $user_id;
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private $courses;
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private $path;
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private $permission = [DRH];
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/**
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* Constructor.
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*/
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public function __construct($user_id)
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{
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$this->user_id = $user_id;
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$this->path = 'block_course';
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if ($this->is_block_visible_for_user($user_id)) {
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$this->courses = CourseManager::get_courses_followed_by_drh($user_id);
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}
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}
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/**
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* This method check if a user is allowed to see the block inside dashboard interface.
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*
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* @param int User id
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*
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* @return bool Is block visible for user
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*/
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public function is_block_visible_for_user($user_id)
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{
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$user_info = api_get_user_info($user_id);
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$user_status = $user_info['status'];
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$is_block_visible_for_user = false;
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if (UserManager::is_admin($user_id) || in_array(
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$user_status,
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$this->permission
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)
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) {
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$is_block_visible_for_user = true;
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}
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return $is_block_visible_for_user;
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}
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/**
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* This method return content html containing information
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* about courses and its position for showing it inside dashboard interface
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* it's important to use the name 'get_block' for beeing used from dashboard controller.
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*
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* @return array column and content html
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*/
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public function get_block()
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{
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global $charset;
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$column = 2;
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$data = [];
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$content = $this->get_content_html();
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$html = '
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<div class="panel panel-default" id="intro">
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<div class="panel-heading">'.get_lang('CoursesInformation').'
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<div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(
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api_htmlentities(
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get_lang('ConfirmYourChoice'),
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ENT_QUOTES,
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$charset
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)
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).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
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<em class="fa fa-times"></em>
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</a></div>
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</div>
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<div class="panel-body">
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'.$content.'
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</div>
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</div>
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';
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$data['column'] = $column;
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$data['content_html'] = $html;
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return $data;
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}
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/**
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* This method return a content html, it's used inside get_block method for showing it inside dashboard interface.
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*
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* @return string content html
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*/
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public function get_content_html()
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{
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$course_data = $this->get_course_information_data();
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$content = '<h4>'.get_lang('YourCourseList').'</h4>';
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$data_table = null;
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if (!empty($course_data)) {
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$data_table .= '<table class="table table-hover table-striped data_table" width:"95%">';
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$data_table .= '<tr>
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<th>'.get_lang('CourseTitle').'</th>
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<th width="20%">'.get_lang('NbStudents').'</th>
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<th width="20%">'.get_lang('AvgTimeSpentInTheCourse').'</th>
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<th width="20%">'.get_lang('ThematicAdvance').'</th>
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</tr>';
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$i = 1;
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foreach ($course_data as $course) {
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if ($i % 2 == 0) {
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$class_tr = 'row_odd';
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} else {
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$class_tr = 'row_even';
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}
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$data_table .= '<tr class="'.$class_tr.'">';
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if (!isset($course[2])) {
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$course[2] = '0:00:00';
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}
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foreach ($course as $cell) {
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$data_table .= '<td align="right">'.$cell.'</td>';
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}
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$data_table .= '</tr>';
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$i++;
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}
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$data_table .= '</table>';
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} else {
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$data_table .= get_lang('ThereIsNoInformationAboutYourCourses');
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}
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$content .= $data_table;
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if (!empty($course_data)) {
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$content .= '<div style="text-align:right;margin-top:10px;"><a href="'.api_get_path(WEB_CODE_PATH).'mySpace/course.php?follow">'.get_lang('SeeMore').'</a></div>';
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}
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//$content .= '</div>';
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return $content;
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}
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/**
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* Get number of courses.
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*
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* @return int
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*/
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public function get_number_of_courses()
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{
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return count($this->courses);
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}
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/**
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* Get course information data.
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*
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* @return array
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*/
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public function get_course_information_data()
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{
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$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
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$course_data = [];
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$courses = $this->courses;
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$thematic = new Thematic();
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foreach ($courses as $row_course) {
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$course_code = $row_course['code'];
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$courseInfo = api_get_course_info($course_code);
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$courseId = $courseInfo['real_id'];
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$nb_students_in_course = $avg_progress_in_course = $avg_score_in_course = $avg_time_spent_in_course = $avg_score_in_exercise = 0;
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// students directly subscribed to the course
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$sql = "SELECT user_id FROM $tbl_course_user as course_rel_user
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WHERE course_rel_user.status=".STUDENT." AND course_rel_user.c_id='$courseId'";
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$rs = Database::query($sql);
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$users = [];
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while ($row = Database::fetch_array($rs)) {
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$users[] = $row['user_id'];
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}
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if (count($users) > 0) {
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$nb_students_in_course = count($users);
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$avg_time_spent_in_course = api_time_to_hms(
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Tracking::get_time_spent_on_the_course($users, $courseId) / $nb_students_in_course
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);
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} else {
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$avg_time_spent_in_course = null;
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}
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$tematic_advance = $thematic->get_total_average_of_thematic_advances(
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$course_code,
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0
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);
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if (!empty($tematic_advance)) {
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$tematic_advance_progress = '<a title="'.get_lang('GoToThematicAdvance').'" href="'.api_get_path(WEB_CODE_PATH).'course_progress/index.php?cidReq='.$course_code.'&action=thematic_details">'.$tematic_advance.'%</a>';
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} else {
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$tematic_advance_progress = '0%';
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}
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$table_row = [];
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$table_row[] = $row_course['title'];
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$table_row[] = $nb_students_in_course;
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$table_row[] = $avg_time_spent_in_course;
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$table_row[] = $tematic_advance_progress;
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$course_data[] = $table_row;
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}
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return $course_data;
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}
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}
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