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#!/usr/bin/env php
<?php
/**
* This script removes all members from a course that should not have been
* members in the first place.
*
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
* @see https://develop.studip.de/trac/ticket/7783
*/
require_once __DIR__ . '/studip_cli_env.inc.php';
require_once __DIR__ . '/../config/config_local.inc.php';
function output($what) {
if (StudipVersion::olderThan(4)) {
$what = studip_utf8encode($what);
}
fwrite(STDOUT, $what);
}
$opts = getopt('d', ['dry-run']);
$dry_run = isset($opts['d']) || isset($opts['dry-run']);
// Reduce arguments by options (this is far from perfect)
$args = $_SERVER['argv'];
$arg_stop = array_search('--', $args);
if ($arg_stop !== false) {
$args = array_slice($args, $arg_stop + 1);
} elseif (count($opts)) {
$args = array_slice($args, 1 + count($opts));
} else {
$args = array_slice($args, 1);
}
if (count($args) < 1) {
output("Fix for Biest 7783 - Use {$argv[0]} [--dry-run/-d] <semester_id,current,next>\n");
exit(0);
}
$semester_ids = explode(',', implode(',', array_map('trim', $args)));
foreach ($semester_ids as $index => $semester_id) {
if ($semester_id === 'current') {
$semester_id = Semester::findCurrent()->id;
} elseif ($semester_id === 'next') {
$semester_id = Semester::findNext()->id;
} elseif (Semester::find($semester_id) === null) {
output("Semester id {$semester_id} is invalid\n");
exit(0);
}
$semester_ids[$index] = $semester_id;
}
$query = "SELECT DISTINCT
cs.`set_id`, s.`seminar_id`
FROM `semester_data` AS sd
JOIN `seminare` AS s
ON (s.`start_time` <= sd.`beginn`
AND (
sd.`beginn` <= s.`start_time` + s.`duration_time`
OR s.`duration_time` = -1
)
)
JOIN `seminar_courseset` AS scs USING (`seminar_id`)
JOIN `coursesets` AS cs USING (`set_id`)
JOIN `auth_user_md5` USING (`user_id`)
JOIN `courseset_rule` AS csr USING (`set_id`)
JOIN `admission_condition` AS ac USING (`rule_id`)
JOIN `userfilter` AS uf USING (`filter_id`)
JOIN `userfilter_fields` AS uff USING (`filter_id`)
WHERE `semester_id` IN (:semester_ids)
AND `algorithm_run` = 0
AND uff.`type` = 'SemesterOfStudyCondition'
AND uff.`value` > 1
ORDER BY cs.`name` ASC, s.`name`";
$statement = DBManager::get()->prepare($query);
$statement->bindValue(':semester_ids', $semester_ids);
$statement->execute();
$sets = $statement->fetchAll(PDO::FETCH_GROUP | PDO::FETCH_COLUMN);
foreach ($sets as $set_id => $course_ids) {
$courseset = new CourseSet($set_id);
$remove = [];
foreach ($course_ids as $course_id) {
$course = Course::find($course_id);
$members = new MembersModel($course_id, $course->getFullname());
$applicants = $members->getAdmissionMembers();
foreach (['awaiting', 'claiming'] as $status) {
foreach ($applicants[$status] as $applicant) {
$errors = $courseset->checkAdmission($applicant->user_id, $course_id);
if (count($errors) === 0) {
continue;
}
if (!isset($remove[$course_id])) {
$remove[$course_id] = [
'course' => $course,
'members' => $members,
'status' => [],
];
}
if (!isset($remove[$course_id]['status'][$status])) {
$remove[$course_id]['status'][$status] = [];
}
$remove[$course_id]['status'][$status][] = User::find($applicant['user_id']);
}
}
}
if ($remove) {
$owner = User::find($courseset->getUserId())->getFullname();
output("= Anmeldeset {$courseset->getName()} ({$owner}):\n");
foreach ($remove as $row) {
output(" - Veranstaltung {$row['course']->getFullname()}:\n");
foreach ($row['status'] as $status => $users) {
$user_ids = array_map(function (User $user) {
return $user->id;
}, $users);
if ($dry_run) {
foreach ($users as $user) {
output(" - Nutzer {$user->getFullname()}\n");
}
} else {
$result = $row['members']->cancelAdmissionSubscription($user_ids, $status);
foreach ($result as $row) {
output(" - Nutzer {$row}\n");
}
}
}
}
}
}
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