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							335 lines
						
					
					
						
							13 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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/**
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 * A list containing the pending course requests.
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 *
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 * @author José Manuel Abuin Mosquera <chema@cesga.es>, 2010
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 * Centro de Supercomputacion de Galicia (CESGA)
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 * @author Ivan Tcholakov <ivantcholakov@gmail.com> (technical adaptation for Chamilo 1.8.8), 2010
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 */
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use Chamilo\CoreBundle\Component\Utils\ActionIcon;
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use Chamilo\CoreBundle\Component\Utils\StateIcon;
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$cidReset = true;
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_PLATFORM_ADMIN;
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api_protect_admin_script();
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// The delete action should be deactivated in this page.
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// Better reject the target request, after that you can delete it.
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// see DELETE_ACTION_ENABLED constant in main_api.lib.php
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// A check whether the course validation feature is enabled.
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$course_validation_feature = 'true' == api_get_setting('course_validation');
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// Filltering passed to this page parameters.
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$accept_course_request = isset($_GET['accept_course_request']) ? (int) ($_GET['accept_course_request']) : '';
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$reject_course_request = isset($_GET['reject_course_request']) ? (int) ($_GET['reject_course_request']) : '';
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$request_info = isset($_GET['request_info']) ? (int) ($_GET['request_info']) : '';
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$delete_course_request = isset($_GET['delete_course_request']) ? (int) ($_GET['delete_course_request']) : '';
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$message = isset($_GET['message']) ? trim(Security::remove_XSS(stripslashes(urldecode($_GET['message'])))) : '';
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$is_error_message = isset($_GET['is_error_message']) ? !empty($_GET['is_error_message']) : '';
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$keyword = isset($_GET['keyword']) ? Database::escape_string(trim($_GET['keyword'])) : '';
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if ($course_validation_feature) {
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    /*
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     * Course acceptance and creation.
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     */
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    if (!empty($accept_course_request)) {
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        $course_request_code = CourseRequestManager::get_course_request_code($accept_course_request);
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        $course_id = CourseRequestManager::accept_course_request($accept_course_request);
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        if ($course_id) {
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            $course_code = CourseManager::get_course_code_from_course_id($course_id);
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            $message = sprintf(get_lang('The course request %s has been accepted. A new course %s has been created.'), $course_request_code, $course_code);
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            $is_error_message = false;
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        } else {
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            $message = sprintf(get_lang('The course request %s has not been accepted due to internal error.'), $course_request_code);
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            $is_error_message = true;
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        }
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    } elseif (!empty($reject_course_request)) {
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        /**
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         * Course rejection.
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         */
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        $course_request_code = CourseRequestManager::get_course_request_code($reject_course_request);
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        $result = CourseRequestManager::reject_course_request($reject_course_request);
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        if ($result) {
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            $message = sprintf(get_lang('The course request %s has been rejected.'), $course_request_code);
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            $is_error_message = false;
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        } else {
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            $message = sprintf(get_lang('The course request %s has not been rejected due to internal error.'), $course_request_code);
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            $is_error_message = true;
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        }
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    } elseif (!empty($request_info)) {
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        /**
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         * Sending to the teacher a request for additional information about the proposed course.
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         */
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        $course_request_code = CourseRequestManager::get_course_request_code($request_info);
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        $result = CourseRequestManager::ask_for_additional_info($request_info);
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        if ($result) {
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            $message = sprintf(get_lang('Additional information about the course request %s has been asked.'), $course_request_code);
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            $is_error_message = false;
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        } else {
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            $message = sprintf(get_lang('Additional information about the course request %s has not been asked due to internal error.'), $course_request_code);
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            $is_error_message = true;
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        }
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    } elseif (!empty($delete_course_request)) {
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        /**
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         * Deletion of a course request.
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         */
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        $course_request_code = CourseRequestManager::get_course_request_code($delete_course_request);
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        $result = CourseRequestManager::delete_course_request($delete_course_request);
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        if ($result) {
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            $message = sprintf(get_lang('The course request %s has been deleted.'), $course_request_code);
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            $is_error_message = false;
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        } else {
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            $message = sprintf(get_lang('The course request %s has not been deleted due to internal error.'), $course_request_code);
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            $is_error_message = true;
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        }
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    } elseif (DELETE_ACTION_ENABLED && isset($_POST['action'])) {
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        /*
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         * Form actions: delete.
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         */
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        switch ($_POST['action']) {
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            // Delete selected courses
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            case 'delete_course_requests':
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                $course_requests = $_POST['course_request'];
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                if (is_array($_POST['course_request']) && !empty($_POST['course_request'])) {
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                    $success = true;
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                    foreach ($_POST['course_request'] as $index => $course_request_id) {
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                        $success &= CourseRequestManager::delete_course_request($course_request_id);
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                    }
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                    $message = $success ? get_lang('The selected course requests have been deleted.') : get_lang('Some of the selected course requests have not been deleted due to internal error.');
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                    $is_error_message = !$success;
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                }
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                break;
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        }
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    }
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} else {
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    $link_to_setting = api_get_path(WEB_CODE_PATH).'admin/settings.php?category=Platform#course_validation';
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    $message = sprintf(
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        get_lang('The "Course validation" feature is not enabled at the moment. In order to use this feature, please, enable it by using the  %s setting.'),
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        sprintf('<strong><a href="%s">%s</a></strong>', $link_to_setting, get_lang('Courses validation'))
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    );
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    $is_error_message = true;
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}
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/**
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 * Get the number of courses which will be displayed.
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 */
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function get_number_of_requests()
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{
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    return CourseRequestManager::count_course_requests(COURSE_REQUEST_PENDING);
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}
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/**
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 * Get course data to display.
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 */
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function get_request_data($from, $number_of_items, $column, $direction)
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{
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    global $keyword;
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    $course_request_table = Database::get_main_table(TABLE_MAIN_COURSE_REQUEST);
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    $from = (int) $from;
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    $number_of_items = (int) $number_of_items;
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    $column = (int) $column;
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    $direction = !in_array(strtolower(trim($direction)), ['asc', 'desc']) ? 'asc' : $direction;
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    if (DELETE_ACTION_ENABLED) {
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        $sql = "SELECT id AS col0,
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                   code AS col1,
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                   title AS col2,
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                   category_code AS col3,
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                   tutor_name AS col4,
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                   request_date AS col5,
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                   id  AS col6
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               FROM $course_request_table
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               WHERE status = ".COURSE_REQUEST_PENDING;
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    } else {
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        $sql = "SELECT
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                   code AS col0,
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                   title AS col1,
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                   category_code AS col2,
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                   tutor_name AS col3,
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                   request_date AS col4,
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                   id  AS col5
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               FROM $course_request_table
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               WHERE status = ".COURSE_REQUEST_PENDING;
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    }
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    if ('' != $keyword) {
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        $sql .= " AND (title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%')";
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    }
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    $sql .= " ORDER BY col$column $direction ";
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    $sql .= " LIMIT $from,$number_of_items";
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    $res = Database::query($sql);
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    $course_requests = [];
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    while ($course_request = Database::fetch_row($res)) {
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        if (DELETE_ACTION_ENABLED) {
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            $course_request[5] = api_get_local_time($course_request[5]);
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        } else {
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            $course_request[4] = api_get_local_time($course_request[4]);
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        }
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        $course_requests[] = $course_request;
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    }
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    return $course_requests;
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}
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/**
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 * Enlace a la ficha del profesor.
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 */
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function email_filter($teacher)
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{
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    $teacher = Database::escape_string($teacher);
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    $sql = 'SELECT user_id FROM '.Database::get_main_table(TABLE_MAIN_COURSE_REQUEST)."
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            WHERE tutor_name LIKE '".$teacher."'";
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    $res = Database::query($sql);
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    $info = Database::fetch_array($res);
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    return '<a href="./user_information.php?user_id='.$info[0].'">'.$teacher.'</a>';
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}
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/**
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 * Actions in the list: edit, accept, reject, request additional information.
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 */
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function modify_filter($id)
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{
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    $code = CourseRequestManager::get_course_request_code($id);
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    $result = '<a href="course_request_edit.php?id='.$id.'&caller=0">'.
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        Display::getMdiIcon(
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            ActionIcon::EDIT,
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            'ch-tool-icon',
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            'vertical-align: middle;',
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            ICON_SIZE_SMALL,
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            get_lang('Edit')
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        ).'</a>'.
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        ' <a href="?accept_course_request='.$id.'" script="onclick: if (!confirm(\''.addslashes(api_htmlentities(sprintf(get_lang('A new course %s is going to be created. Is it OK to proceed?'), $code), ENT_QUOTES)).'\')) return false;">'.
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        Display::getMdiIcon(
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            StateIcon::COMPLETE,
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            'ch-tool-icon',
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            'vertical-align: middle;',
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            ICON_SIZE_TINY,
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            get_lang('Accept this course')
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        ).'</a>'.
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        ' <a href="?reject_course_request='.$id.'" script="onclick:if (!confirm(\''.addslashes(api_htmlentities(sprintf(get_lang('The course request %s is going to be rejected. Is it OK to proceed?'), $code), ENT_QUOTES)).'\')) return false;">'.
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        Display::getMdiIcon(
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            'trash-can-outline',
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            'ch-tool-icon',
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            'vertical-align: middle;',
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            ICON_SIZE_TINY,
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            get_lang('Reject this course request')
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        ).'</a>';
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    if (!CourseRequestManager::additional_info_asked($id)) {
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        $result .= ' <a href="?request_info='.$id.'" script="onclick:if (!confirm(\''.addslashes(api_htmlentities(sprintf(get_lang('Additional information about %s course request is going to be asked through an e-mail message. Is it OK to proceed?'), $code), ENT_QUOTES)).'\')) return false;">'.
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            Display::getMdiIcon(
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                ActionIcon::INFORMATION,
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                'ch-tool-icon',
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                'vertical-align: middle;',
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                ICON_SIZE_SMALL,
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                get_lang('Ask for additional information'),
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            ).'</a>';
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    }
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    if (DELETE_ACTION_ENABLED) {
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        $message = addslashes(api_htmlentities(sprintf(get_lang('The course request %s is going to be deleted. Is it OK to proceed?'), $code), ENT_QUOTES));
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        $result .= ' <a href="?delete_course_request='.$id.'" script="onclick:if (!confirm(\''.$message.'\')) return false;">';
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        $result .= Display::getMdiIcon(
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            ActionIcon::DELETE,
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            'ch-tool-icon',
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            'vertical-align: middle;',
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            ICON_SIZE_SMALL,
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            get_lang('Delete this course request')
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        );
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        $result .= '</a>';
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    }
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    return $result;
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}
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$interbreadcrumb[] = ['url' => 'index.php', 'name' => get_lang('Administration')];
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$interbreadcrumb[] = ['url' => 'course_list.php', 'name' => get_lang('Course list')];
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$tool_name = get_lang('Review incoming course requests');
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// Display confirmation or error message.
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if (!empty($message)) {
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    if ($is_error_message) {
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        Display::addFlash(Display::return_message($message, 'error', false));
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    } else {
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        Display::addFlash(Display::return_message($message, 'normal', false));
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    }
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}
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Display::display_header($tool_name);
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if (!$course_validation_feature) {
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    Display :: display_footer();
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    exit;
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}
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// Create a simple search-box.
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$form = new FormValidator('search_simple', 'get', '', '', [], false);
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$renderer = $form->defaultRenderer();
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$renderer->setCustomElementTemplate('<span>{element}</span> ');
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$form->addElement('text', 'keyword', get_lang('Keyword'));
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$form->addButtonSearch(get_lang('Search'));
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// The action bar.
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echo '<div style="float: right; margin-top: 5px; margin-right: 5px;">';
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echo ' <a href="course_request_accepted.php">';
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echo Display::getMdiIcon(
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        StateIcon::COMPLETE,
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        'ch-tool-icon',
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        null,
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        ICON_SIZE_SMALL,
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        get_lang('Accepted course requests')
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    ).
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    get_lang('Accepted course requests');
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echo '</a>';
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echo ' <a href="course_request_rejected.php">';
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echo Display::getMdiIcon(
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        StateIcon::INCOMPLETE,
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        'ch-tool-icon',
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        null,
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        ICON_SIZE_SMALL,
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        get_lang('Rejected course requests')
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    ).
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    get_lang('Rejected course requests');
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echo '</a>';
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echo '</div>';
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echo '<div class="actions">';
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$form->display();
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echo '</div>';
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// Create a sortable table with the course data.
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$offet = DELETE_ACTION_ENABLED ? 1 : 0;
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$table = new SortableTable(
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    'course_requests_review',
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    'get_number_of_requests',
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    'get_request_data',
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    4 + $offet,
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    20,
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    'DESC'
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);
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//$table->set_additional_parameters($parameters);
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if (DELETE_ACTION_ENABLED) {
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    $table->set_header(0, '', false);
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}
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$table->set_header(0 + $offet, get_lang('Course code'));
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$table->set_header(1 + $offet, get_lang('Title'));
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$table->set_header(2 + $offet, get_lang('Category'));
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$table->set_header(3 + $offet, get_lang('Trainer'));
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$table->set_header(4 + $offet, get_lang('Request date'));
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$table->set_header(5 + $offet, '', false);
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$table->set_column_filter(3 + $offet, 'email_filter');
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$table->set_column_filter(5 + $offet, 'modify_filter');
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if (DELETE_ACTION_ENABLED) {
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    $table->set_form_actions(['delete_course_requests' => get_lang('Delete selected course request(s)')], 'course_request');
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}
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$table->display();
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Display::display_footer();
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 |