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chamilo-lms
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Add session_course_users_subscription_limited_to_session_users conf setting - refs BT#19992

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Restrict the list of students to subscribe in the course session
pull/4321/head
Angel Fernando Quiroz Campos 3 years ago
parent 438ea3ac7b
commit e6af96fa8d
2 changed files with 108 additions and 6 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 3
      main/install/configuration.dist.php
  2. 111
      main/user/subscribe_user.php

3
main/install/configuration.dist.php
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@ -2236,6 +2236,9 @@ INSERT INTO `extra_field` (`extra_field_type`, `field_type`, `variable`, `displa
// they are only accessible during the active duration).
//$_configuration['session_coach_access_after_duration_end'] = false;
// Restrict the list of students to subscribe in the course session
//$_configuration['session_course_users_subscription_limited_to_session_users'] = false;
// KEEP THIS AT THE END
// -------- Custom DB changes
// Add user activation by confirmation email

111
main/user/subscribe_user.php
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@ -131,12 +131,21 @@ $is_western_name_order = api_is_western_name_order();
$sort_by_first_name = api_sort_by_first_name();
// Build table
$table = new SortableTable(
'subscribe_users',
'get_number_of_users',
'get_user_data',
($is_western_name_order xor $sort_by_first_name) ? 3 : 2
);
if (api_get_configuration_value('session_course_users_subscription_limited_to_session_users') && !empty($sessionId)) {
$table = new SortableTable(
'subscribe_users',
'getRestrictedSessionNumberOfUsers',
'getRestrictedSessionUserList',
($is_western_name_order xor $sort_by_first_name) ? 3 : 2
);
} else {
$table = new SortableTable(
'subscribe_users',
'get_number_of_users',
'get_user_data',
($is_western_name_order xor $sort_by_first_name) ? 3 : 2
);
}
$parameters['keyword'] = $keyword;
$parameters['type'] = $type;
$table->set_additional_parameters($parameters);
@ -216,6 +225,96 @@ Display::display_footer();
/* SHOW LIST OF USERS */
function getRestrictedSessionNumberOfUsers(): int
{
$tblUser = Database::get_main_table(TABLE_MAIN_USER);
$tblSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tblSessionRelCourseRelUser = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$urlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$sessionId = api_get_session_id();
$courseId = api_get_course_int_id();
$urlAccessId = api_get_current_access_url_id();
$sql = "SELECT COUNT(DISTINCT u.id) nbr
FROM $tblSessionRelUser s
INNER JOIN $tblUser u ON (u.id = s.user_id)
INNER JOIN $urlTable url ON (url.user_id = u.id)
LEFT JOIN $tblSessionRelCourseRelUser scru
ON (s.session_id = scru.session_id AND s.user_id = scru.user_id AND scru.c_id = $courseId)
WHERE
s.session_id = $sessionId
AND url.access_url_id = $urlAccessId
AND scru.user_id IS NULL";
$sql = getSqlFilters($sql);
$result = Database::fetch_assoc(Database::query($sql));
return (int) $result['nbr'];
}
function getRestrictedSessionUserList($from, $numberOfItems, $column, $direction): array
{
$tblUser = Database::get_main_table(TABLE_MAIN_USER);
$tblSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tblSessionRelCourseRelUser = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$urlTable = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$selectNames = api_is_western_name_order()
? "u.firstname AS col2, u.lastname AS col3"
: "u.lastname AS col2, u.firstname AS col3";
$selectFields = "u.user_id AS col0, u.official_code AS col1, $selectNames, u.active AS col4, u.user_id AS col5";
if (api_get_setting('show_email_addresses') === 'true') {
$selectFields = "u.id AS col0, u.official_code AS col1, $selectNames, u.email AS col4, u.active AS col5, u.user_id AS col6";
}
$sessionId = api_get_session_id();
$courseId = api_get_course_int_id();
$urlAccessId = api_get_current_access_url_id();
$sql = "SELECT $selectFields
FROM $tblSessionRelUser s
INNER JOIN $tblUser u ON (u.id = s.user_id)
INNER JOIN $urlTable url ON (url.user_id = u.id)
LEFT JOIN $tblSessionRelCourseRelUser scru
ON (s.session_id = scru.session_id AND s.user_id = scru.user_id AND scru.c_id = $courseId)
WHERE
s.session_id = $sessionId
AND url.access_url_id = $urlAccessId
AND scru.user_id IS NULL";
$sql = getSqlFilters($sql);
$sql .= " ORDER BY col$column $direction LIMIT $from, $numberOfItems";
return Database::store_result(Database::query($sql));
}
function getSqlFilters(string $sql): string
{
if (isset($_REQUEST['type']) && $_REQUEST['type'] == COURSEMANAGER) {
$sql .= " AND u.status = ".COURSEMANAGER;
} else {
$sql .= " AND u.status <> ".DRH;
}
if (isset($_GET['keyword']) && !empty($_GET['keyword'])) {
$keyword = Database::escape_string(trim($_REQUEST['keyword']));
$sql .= " AND (
u.firstname LIKE '%".$keyword."%' OR
u.lastname LIKE '%".$keyword."%' OR
u.email LIKE '%".$keyword."%' OR
u.username LIKE '%".$keyword."%' OR
u.official_code LIKE '%".$keyword."%'
)";
}
return $sql;
}
/**
** Get the users to display on the current page.
*/

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