Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/tests/scripts/move_users.php

154 lines
5.5 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Script to move users from one course to another if they haven't taken the
* test in the first course.
* This script includes logic and side-effects, which is contrary to PSR-1, but
* it is not considered as a "finished" script to be included in Chamilo.
* Refs BT#8845
*/
/**
* Init
*/
die('Remove the "die()" line to execute this script'.PHP_EOL);
require __DIR__.'/../../main/inc/global.inc.php';
// Define origin and destination courses' code
$originCourse = 'XYZ2014';
$destinationCourse = 'XYZ2014C2';
// Set to true to only show what it would do
$debug = true;
/**
* Check and move users
*/
$output = moveUserFromCourseToCourse($originCourse, $destinationCourse, $debug);
if (empty($output)) {
$output = 'No output';
}
/**
* Output on screen (use in HTTP only for now)
*/
echo '<!DOCTYPE html><html lang="en">'.
'<head>'.
'<meta charset="utf-8">'.
'<link href="'.api_get_path(WEB_CODE_PATH).'css/base.css" media="all" rel="stylesheet" type="text/css" />'.
'</head>'.
'<body>'.
$output.
'</body></html>';
/**
* Moves a user from course A to course B "the hard way", by only changing
* the course_rel_user table. This does not remove any data registered in
* course A, as per requirements.
* @param string $originCourse Origin course's code
* @param string $destinationCourse Destination course's code
* @param bool $debug Whether to only show potential action, or to execute them
* @return string Output string
*/
function moveUserFromCourseToCourse($originCourse, $destinationCourse, $debug = true)
{
$eol = PHP_EOL;
$output = '';
if (PHP_SAPI != 'cli') {
$eol = "<br />".$eol;
}
if (empty($originCourse)) {
return $output;
} else {
$originCourse = Database::escape_string($originCourse);
}
if (empty($destinationCourse)) {
return $output;
} else {
$destinationCourse = Database::escape_string($destinationCourse);
}
$output .= 'Moving students who have no exe results from course '.$originCourse.' to course '.$destinationCourse.$eol;
$tableCRU = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tableTEE = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$courseId = api_get_course_int_id($originCourse);
// Get the users who have passed an exam in the course of origin
$sql = "SELECT distinct(exe_user_id) FROM $tableTEE
WHERE c_id = $courseId";
//AND status != 'incomplete'";
$output .= "$sql".$eol;
$res = Database::query($sql);
$users = array(); // users list in array format
while ($row = Database::fetch_row($res)) {
$users[] = $row[0];
}
// Now get the list of users subscribed to the course of origin
$sql = "SELECT user_id
FROM $tableCRU
WHERE status = ".STUDENT."
AND course_code = '$originCourse'";
$output .= "$sql".$eol;
$res = Database::query($sql);
$numUsers = Database::num_rows($res);
if ($numUsers < 1) {
return $output; //no user registered in first course
}
// Now get the list of users subscribed to the course of origin
$sqlDestination = "SELECT user_id
FROM $tableCRU
WHERE status = ".STUDENT."
AND course_code = '$destinationCourse'";
$output .= "$sqlDestination".$eol;
$resDestination = Database::query($sqlDestination);
$destinationUsers = array();
while ($row = Database::fetch_assoc($resDestination)) {
$destinationUsers[] = $row['user_id'];
}
// List of users with no attempt
$noAttemptUsers = array();
// List of users with an attempt
$attemptUsers = array();
$i = 0;
$output .= '<ul>';
while ($row = Database::fetch_assoc($res)) {
$i++;
// If there are results from
if (in_array($row['user_id'], $users)) {
// This user has already attempted
$u = api_get_user_info($row['user_id']);
$attemptUsers[$row['user_id']] = $u;
$output .= '<li class="muted">';
$output .= $i.' - User '.$u['lastname'].' '.$u['firstname'].' <'.$u['email'].'> has results.';
$output .= '</li>'.PHP_EOL;
} else {
// This user hasn't attempted anything
$u = api_get_user_info($row['user_id']);
if (in_array($row['user_id'], $destinationUsers)) {
$output .= '<li class="muted">';
$output .= $i.' - User '.$u['lastname'].' '.$u['firstname'].' <'.$u['email'].'> has no results but is already in the destination course.'.$eol;
$output .= '</li>'.PHP_EOL;
} else {
$output .= '<li class="">';
$output .= $i.' - User '.$u['lastname'].' '.$u['firstname'].' <'.$u['email'].'> has no results and will be moved.'.$eol;
$noAttemptUsers[$row['user_id']] = $u;
$output .= '</li>'.PHP_EOL;
}
}
}
$output .= '</ul>';
if ($debug) {
return $output;
}
// If not debug mode, execute the move!
$j = 0;
foreach ($noAttemptUsers as $userId => $userInfo) {
// unsubscribe
$sql = "DELETE FROM $tableCRU WHERE course_code = '$originCourse' AND user_id = $userId";
$output .= $sql.$eol;
Database::query($sql);
$sql = "INSERT INTO $tableCRU (course_code, user_id, status)
VALUES ('$destinationCourse', $userId, ".STUDENT.")";
$output .= $sql.$eol;
Database::query($sql);
$j++;
}
$output .= "$j users have been moved".$eol;
return $output;
}