<?php

/* For licensing terms, see /license.txt */

exit;

/**
 * Adds gradebook certificates to gradebook_certificate table from users
 * who have achieved the requirements but have not reviewed them yet.
 *
 * @author Imanol Losada <imanol.losada@beeznest.com>
 */
require_once __DIR__.'/../inc/global.inc.php';

/**
 * Get all categories and users ids from gradebook.
 *
 * @return array Categories and users ids
 */
function getAllCategoriesAndUsers()
{
    $table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
    $jointable = Database::get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
    $joinStatement = ' JOIN '.$jointable.' ON '.$table.'.evaluation_id = '.$jointable.'.id';

    return Database::select(
        'DISTINCT '.$jointable.'.category_id,'.$table.'.user_id',
        $table.$joinStatement
    );
}

if ($categoriesAndUsers = getAllCategoriesAndUsers()) {
    foreach ($categoriesAndUsers as $categoryAndUser) {
        Category::generateUserCertificate(
            $categoryAndUser['category_id'],
            $categoryAndUser['user_id'],
            false,
            true
        );
    }
}

$urlList = [1];
foreach ($urlList as $urlId) {
    $_configuration['access_url'] = $urlId;
    $sql = "SELECT gc.*
            FROM gradebook_category gc
            INNER JOIN course c
            ON (c.code = gc.course_code)
            INNER JOIN access_url_rel_course a
            ON (a.c_id = c.id)
            WHERE
                generate_certificates = 1 AND
                parent_id = 0 AND
                access_url_id = $urlId
                ";
    $result = Database::query($sql);
    $categories = Database::store_result($result);
    $total = count($categories);
    $counter = 1;
    foreach ($categories as $category) {
        $courseCode = $category['course_code'];
        $sessionId = (int) $category['session_id'];
        $filter = STUDENT;
        if (!empty($sessionId)) {
            $filter = 0;
        }
        $users = CourseManager::get_user_list_from_course_code(
            $courseCode,
            $sessionId,
            null,
            null,
            $filter
        );

        $_SESSION['id_session'] = $sessionId;

        echo "Category: ".$category['id']." Course: ".$courseCode." Session: $sessionId - Processing: $counter/".$total.PHP_EOL;
        foreach ($users as $user) {
            echo "Generating certificate user #".$user['user_id'].PHP_EOL;
            Category::generateUserCertificate(
                $category['id'],
                $user['user_id'],
                false,
                true
            );
        }
        $counter++;
    }
}