0) {
$num = self::count_sessions();
if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
return get_lang('PortalSessionsLimitReached');
}
}
if (!$allow_homonyms) {
$my_session_result = SessionManager::get_session_by_name($params['name']);
$session_id = null;
if ($my_session_result == false) {
$session_model = new SessionModel();
$session_id = $session_model->save($params);
} else {
error_log('Session already exists with name: '.$params['name']." session_id: ".$my_session_result['id']);
}
} else {
//with the allow_homonyms option, two sessions can share names
$session_model = new SessionModel();
$session_id = $session_model->save($params);
}
if (!empty($session_id)) {
/*
Sends a message to the user_id = 1
$user_info = api_get_user_info(1);
$complete_name = $user_info['firstname'].' '.$user_info['lastname'];
$subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
$message = get_lang('ANewSessionWasCreated')."
".get_lang('NameOfTheSession').' : '.$name;
api_mail_html($complete_name, $user_info['email'], $subject, $message);
*
*/
//Saving extra fields
$session_field_value = new SessionFieldValue();
$params['session_id'] = $session_id;
$session_field_value->save_field_values($params);
//Adding to the correct URL
$access_url_id = api_get_current_access_url_id();
UrlManager::add_session_to_url($session_id, $access_url_id);
// Add event to system log
event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), api_get_user_id());
if (isset($params['course_code'])) {
$courseInfo = api_get_course_info($params['course_code']);
self::add_courses_to_session($session_id, array($courseInfo['real_id']));
//Update default course gradebook to the session if exists
$create_gradebook_evaluation = isset($params['create_gradebook_evaluation']) ? $params['create_gradebook_evaluation'] : false;
if ($create_gradebook_evaluation) {
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
$category_id = create_default_course_gradebook($params['course_code'], false, $session_id);
/*
if ($category_id && isset($params['gradebook_params'])) {
$eval = new Evaluation();
$eval->set_name($params['gradebook_params']['name']);
$eval->set_user_id($params['gradebook_params']['user_id']);
$eval->set_course_code($params['course_code']);
$eval->set_category_id($category_id);
$eval->set_weight($params['gradebook_params']['weight']);
$eval->set_max($params['gradebook_params']['max']);
$eval->set_visible(0);
$eval->add();
}*/
/*$tbl_gradebook_category = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
$sql = "SELECT id FROM $tbl_gradebook_category WHERE course_code = {$params['course_code']} AND session_id = 0 LIMIT 1";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$gradebook_data = Database::fetch_array($result, 'ASSOC');
if (!empty($gradebook_data)) {
$sql = "UPDATE SET session_id = $session_id WHERE id = {$gradebook_data['id']}";
Database::query($sql);
}
}*/
}
}
} else {
if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
$my_session_result = SessionManager::get_session_by_name($params['name']);
$session_id = $my_session_result['id'];
}
}
return $session_id;
}
/**
* Updates a session with the given array of field values
* @param array An array of fields values
* @return void
* @assert (null) === false
*/
public static function update($params) {
if (empty($params) || count($params)<1) {
return false;
}
$session_model = new SessionModel();
$session_model->update($params);
if (!empty($params['id'])) {
$session_field_value = new SessionFieldValue();
$params['session_id'] = $params['id'];
unset($params['id']);
$session_field_value->save_field_values($params);
}
}
/**
* Checks whether a session already exists with the given name (used in
* add() to avoid homonym sessions)
* @param string A session name
* @assert ('') === false
*/
function session_name_exists($session_name) {
$session_name = Database::escape_string($session_name);
$result = Database::fetch_array(Database::query("SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." WHERE name = '$session_name' "));
return $result['count'] > 0;
}
/**
* Gets the admin session list callback of the session/session_list.php page
* @param array order and limit keys
* @param boolean Whether to get all the results or only the count
* @return mixed Integer for number of rows, or array of results
* @assert (array(),true) !== false
*/
public static function get_sessions_admin($options = array(), $get_count = false)
{
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$where = 'WHERE 1 = 1 ';
$user_id = api_get_user_id();
if (!api_is_platform_admin()) {
if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
$where .=" AND s.session_admin_id = $user_id ";
}
}
if (!api_is_platform_admin() && api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'true') {
$where .=" AND s.id_coach = $user_id ";
}
$extra_field = new ExtraField('session');
$conditions = $extra_field->parseConditions($options);
$inject_joins = $conditions['inject_joins'];
$where .= $conditions['where'];
$inject_where = $conditions['inject_where'];
$inject_extra_fields = $conditions['inject_extra_fields'];
$order = $conditions['order'];
$limit = $conditions['limit'];
if ($get_count == true) {
$select = " SELECT count(*) as total_rows";
} else {
$select =
"SELECT DISTINCT ".
" s.name, ".
" s.display_start_date, ".
" s.display_end_date, ".
" access_start_date, ".
" access_end_date, ".
" s.visibility, ".
" $inject_extra_fields ".
" s.id ";
}
$query = "$select FROM $tbl_session s $inject_joins $where $inject_where";
if (api_is_multiple_url_enabled()) {
$table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$where.= " AND ar.access_url_id = $access_url_id ";
$query = "$select FROM $tbl_session s $inject_joins INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id) $where";
}
}
$query .= $order;
$query .= $limit;
$result = Database::query($query);
$formatted_sessions = array();
if (Database::num_rows($result)) {
$sessions = Database::store_result($result, 'ASSOC');
if ($get_count) {
return $sessions[0]['total_rows'];
}
foreach ($sessions as $session) {
$session_id = $session['id'];
$session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
if (isset($session['session_active']) && $session['session_active'] == 1) {
$session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
} else {
$session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
}
$session = self::convert_dates_to_local($session);
switch ($session['visibility']) {
case SESSION_VISIBLE_READ_ONLY: //1
$session['visibility'] = get_lang('ReadOnly');
break;
case SESSION_VISIBLE: //2
case SESSION_AVAILABLE: //4
$session['visibility'] = get_lang('Visible');
break;
case SESSION_INVISIBLE: //3
$session['visibility'] = api_ucfirst(get_lang('Invisible'));
break;
}
// Cleaning double selects.
foreach ($session as $key => &$value) {
if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
$options = explode('::', $value);
}
$original_key = $key;
if (strpos($key, '_second') === false) {
} else {
$key = str_replace('_second', '', $key);
}
if (isset($options_by_double[$key])) {
if (isset($options[0])) {
if (isset($options_by_double[$key][$options[0]])) {
if (strpos($original_key, '_second') === false) {
$value = $options_by_double[$key][$options[0]]['option_display_text'];
} else {
$value = $options_by_double[$key][$options[1]]['option_display_text'];
}
}
}
}
}
$formatted_sessions[$session_id] = $session;
}
}
return $formatted_sessions;
}
/**
* Gets the number of rows in the session table filtered through the given
* array of parameters
* @param array Array of options/filters/keys
* @return integer The number of rows, or false on wrong param
* @assert ('a') === false
*/
static function get_count_admin_complete($options = array()) {
if (!is_array($options)) {
return false;
}
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$where = 'WHERE 1 = 1 ';
$user_id = api_get_user_id();
if (api_is_session_admin() && api_get_setting('allow_session_admins_to_see_all_sessions') == 'false') {
$where.=" WHERE s.session_admin_id = $user_id ";
}
if (!empty($options['where'])) {
if (!empty($options['extra'])) {
$options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
$options['where'] = str_replace('AND', 'OR', $options['where']);
foreach ($options['extra'] as $extra) {
$options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
}
}
$where .= ' AND '.$options['where'];
}
$query_rows = "SELECT count(*) as total_rows
FROM $tbl_session s
LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
INNER JOIN $tbl_user u ON s.id_coach = u.user_id $where ";
if (api_is_multiple_url_enabled()) {
$table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$where.= " AND ar.access_url_id = $access_url_id ";
$query_rows = "SELECT count(*) as total_rows
FROM $tbl_session s
LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
INNER JOIN $tbl_user u ON s.id_coach = u.user_id
INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id $where ";
}
}
$result_rows = Database::query($query_rows);
$recorset = Database::fetch_array($result_rows);
$num = $recorset['total_rows'];
return $num;
}
/**
* Gets the admin session list callback of the session/session_list.php
* page with all user/details in the right fomat
* @param array order and limit keys
* @result array Array of rows results
* @asset ('a') === false
*/
public static function get_sessions_admin_complete($options = array()) {
if (!is_array($options)) {
return false;
}
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
$tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
$where = 'WHERE 1 = 1 ';
$user_id = api_get_user_id();
if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
$where.=" AND s.session_admin_id = $user_id ";
}
$coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
if (api_is_western_name_order()) {
$coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
}
$today = api_get_utc_datetime();
$inject_extra_fields = null;
$extra_fields = array();
$extra_fields_info = array();
//for now only sessions
$extra_field = new ExtraField('session');
$double_fields = array();
$extra_field_option = new ExtraFieldOption('session');
if (isset($options['extra'])) {
$extra_fields = $options['extra'];
if (!empty($extra_fields)) {
foreach ($extra_fields as $extra) {
$inject_extra_fields .= " IF (fv.field_id = {$extra['id']}, fvo.option_display_text, NULL ) as {$extra['field']} , ";
if (isset($extra_fields_info[$extra['id']])) {
$info = $extra_fields_info[$extra['id']];
} else {
$info = $extra_field->get($extra['id']);
$extra_fields_info[$extra['id']] = $info;
}
if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
$double_fields[$info['id']] = $info;
}
}
}
}
$options_by_double = array();
foreach ($double_fields as $double) {
$my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
$options_by_double['extra_'.$double['field_variable']] = $my_options;
}
//sc.name as category_name,
$select = "
SELECT * FROM (
SELECT DISTINCT
IF (
(s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
(s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
(s.access_start_date <= '$today' AND '0000-00-00 00:00:00' = s.access_end_date) OR
('$today' < s.access_end_date AND '0000-00-00 00:00:00' = s.access_start_date)
, 1, 0) as session_active,
s.name,
s.nbr_courses,
s.nbr_users,
s.display_start_date,
s.display_end_date,
$coach_name,
access_start_date,
access_end_date,
s.visibility,
u.user_id,
$inject_extra_fields
c.title as course_title,
s.id ";
if (!empty($options['where'])) {
if (!empty($options['extra'])) {
$options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
$options['where'] = str_replace('AND', 'OR', $options['where']);
foreach ($options['extra'] as $extra) {
$options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
}
}
$options['where'] = str_replace('course_title', 'c.title', $options['where']);
$where .= ' AND '.$options['where'];
}
if (!empty($options['limit'])) {
$where .= " LIMIT ".$options['limit'];
}
$query = "$select FROM $tbl_session s
LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
INNER JOIN $tbl_session_field_options fvo ON (fv.field_id = fvo.field_id)
LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
LEFT JOIN $tbl_course c ON (src.c_id = c.id)
LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
INNER JOIN $tbl_user u ON (s.id_coach = u.user_id) ".
$where;
if (api_is_multiple_url_enabled()) {
$table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$where.= " AND ar.access_url_id = $access_url_id ";
$query = "$select
FROM $tbl_session s
LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
LEFT JOIN $tbl_course c ON (src.c_id = c.id)
LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
INNER JOIN $tbl_user u ON (s.id_coach = u.user_id)
INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id)
$where";
}
}
$query .= ") AS session_table";
if (!empty($options['order'])) {
$query .= " ORDER BY ".$options['order'];
}
//error_log($query);
// echo $query;
$result = Database::query($query);
$formatted_sessions = array();
if (Database::num_rows($result)) {
$sessions = Database::store_result($result, 'ASSOC');
foreach ($sessions as $session) {
$session_id = $session['id'];
$session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
$session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
if ($session['session_active'] == 1) {
$session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
} else {
$session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
}
$session = self::convert_dates_to_local($session);
switch ($session['visibility']) {
case SESSION_VISIBLE_READ_ONLY: //1
$session['visibility'] = get_lang('ReadOnly');
break;
case SESSION_VISIBLE: //2
case SESSION_AVAILABLE: //4
$session['visibility'] = get_lang('Visible');
break;
case SESSION_INVISIBLE: //3
$session['visibility'] = api_ucfirst(get_lang('Invisible'));
break;
}
//Cleaning double selects
foreach ($session as $key => &$value) {
if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
$options = explode('::', $value);
}
$original_key = $key;
if (strpos($key, '_second') === false) {
} else {
$key = str_replace('_second', '', $key);
}
if (isset($options_by_double[$key])) {
if (isset($options[0])) {
if (isset($options_by_double[$key][$options[0]])) {
if (strpos($original_key, '_second') === false) {
$value = $options_by_double[$key][$options[0]]['option_display_text'];
} else {
$value = $options_by_double[$key][$options[1]]['option_display_text'];
}
}
}
}
}
//Magic filter
if (isset($formatted_sessions[$session_id])) {
$formatted_sessions[$session_id] = self::compare_arrays_to_merge($formatted_sessions[$session_id], $session);
} else {
$formatted_sessions[$session_id] = $session;
}
}
}
return $formatted_sessions;
}
/**
*
*/
static function compare_arrays_to_merge($array1, $array2)
{
if (empty($array2)) {
return $array1;
}
foreach ($array1 as $key => $item) {
if (!isset($array1[$key])) {
//My string is empty try the other one
if (isset($array2[$key]) && !empty($array2[$key])) {
$array1[$key] = $array2[$key];
}
}
}
return $array1;
}
/**
* Converts all dates sent through the param array (given form) to correct
* dates with timezones
* @param array The dates
* @return array The same array, with times converted
* @assert ('a') === false
*/
static function convert_dates_to_local($params) {
if (!is_array($params)) {
return false;
}
$params['display_start_date'] = api_get_local_time($params['display_start_date'], null, null, true);
$params['display_end_date'] = api_get_local_time($params['display_end_date'], null, null, true);
$params['access_start_date'] = api_get_local_time($params['access_start_date'], null, null, true);
$params['access_end_date'] = api_get_local_time($params['access_end_date'], null, null, true);
$params['coach_access_start_date'] = isset($params['coach_access_start_date']) ? api_get_local_time($params['coach_access_start_date'], null, null, true) : null;
$params['coach_access_end_date'] = isset($params['coach_access_end_date']) ? api_get_local_time($params['coach_access_end_date'], null, null, true) : null;
return $params;
}
/**
* Creates a new course code based in given code
*
* @param string wanted code
*
* $wanted_code = 'sess' if there are names like sess, sess1, sess2 in the
* database already, the function will return: sess3
* if the session name doesn't exist in the DB the same name is returned
*
* @return string wanted unused code
*/
function generate_nice_next_session_name($session_name) {
$session_name_ok = !self::session_name_exists($session_name);
if (!$session_name_ok) {
$table = Database::get_main_table(TABLE_MAIN_SESSION);
$session_name = Database::escape_string($session_name);
$sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
$result = Database::query($sql);
if (Database::num_rows($result) > 0 ) {
$row = Database::fetch_array($result);
$count = $row['count'] + 1;
$session_name = $session_name.'_'.$count;
$result = self::session_name_exists($session_name);
if (!$result) {
return $session_name;
}
}
return false;
}
return $session_name;
}
/**
* Delete session
* @author Carlos Vargas from existing code
* @param array id_checked
* @param boolean optional, true if the function is called by a webservice, false otherwise.
* @return void Nothing, or false on error
* The parameters is a array to delete sessions
**/
public static function delete_session ($id_checked, $from_ws = false) {
$tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
global $_user;
if(is_array($id_checked)) {
$id_checked = Database::escape_string(implode(',',$id_checked));
} else {
$id_checked = intval($id_checked);
}
if (!api_is_platform_admin() && !$from_ws) {
$sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
$rs = Database::query($sql);
if (Database::result($rs,0,0)!=$_user['user_id']) {
api_not_allowed(true);
}
}
Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
// delete extra session fields
$t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
$t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
// Delete extra fields from session where field variable is "SECCION"
$sql = "SELECT t_sfv.field_id FROM $t_sfv t_sfv, $t_sf t_sf WHERE t_sfv.session_id = '$id_checked' AND t_sf.field_variable = 'SECCION' ";
$rs_field = Database::query($sql);
$field_id = 0;
if (Database::num_rows($rs_field) == 1) {
$row_field = Database::fetch_row($rs_field);
$field_id = $row_field[0];
$sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
$rs_delete_sfv = Database::query($sql_delete_sfv);
}
$sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
$rs_field_id = Database::query($sql);
if (Database::num_rows($rs_field_id) == 0) {
$sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
$rs_delete_sf = Database::query($sql_delete_sf);
}
/*
$sql = "SELECT distinct field_id FROM $t_sfv WHERE session_id = '$id_checked'";
$res_field_ids = @Database::query($sql);
if (Database::num_rows($res_field_ids) > 0) {
while($row_field_id = Database::fetch_row($res_field_ids)){
$field_ids[] = $row_field_id[0];
}
}
//delete from table_session_field_value from a given session id
$sql_session_field_value = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
@Database::query($sql_session_field_value);
$sql = "SELECT distinct field_id FROM $t_sfv";
$res_field_all_ids = @Database::query($sql);
if (Database::num_rows($res_field_all_ids) > 0) {
while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
$field_all_ids[] = $row_field_all_id[0];
}
}
if (count($field_ids) > 0 && count($field_all_ids) > 0) {
foreach($field_ids as $field_id) {
// check if field id is used into table field value
if (in_array($field_id,$field_all_ids)) {
continue;
} else {
$sql_session_field = "DELETE FROM $t_sf WHERE id = '$field_id'";
Database::query($sql_session_field);
}
}
}
*/
// Add event to system log
$user_id = api_get_user_id();
event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $user_id);
}
/**
* Subscribes users (students) to the given session and optionally (default) unsubscribes previous users
* @author Carlos Vargas from existing code
* @param integer Session ID
* @param array List of user IDs
* @param bool Whether to unsubscribe existing users (true, default) or not (false)
* @return void Nothing, or false on error
**/
public static function suscribe_users_to_session($id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false) {
if ($id_session!= strval(intval($id_session))) return false;
foreach ($user_list as $intUser){
if ($intUser!= strval(intval($intUser))) return false;
}
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$session_info = api_get_session_info($id_session);
if ($session_info) {
$session_name = $session_info['name'];
} else {
return false;
}
//from function parameter
if (empty($session_visibility)) {
$session_visibility = $session_info['visibility']; //loaded from DB
//default status loaded if empty
if (empty($session_visibility))
$session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
} else {
if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
$session_visibility = SESSION_VISIBLE_READ_ONLY;
}
}
$sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
$result = Database::query($sql);
$existingUsers = array();
while ($row = Database::fetch_array($result)) {
$existingUsers[] = $row['id_user'];
}
$sql = "SELECT c_id FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
$result = Database::query($sql);
$course_list = array();
while ($row = Database::fetch_array($result)) {
$course_list[] = $row['c_id'];
}
if ($send_email) {
//sending emails only
if (is_array($user_list) && count($user_list)>0) {
foreach ($user_list as $user_id) {
if (!in_array($user_id, $existingUsers)) {
$subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
$user_info = api_get_user_info($user_id);
$content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". api_get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
}
}
}
}
foreach ($course_list as $courseId) {
// for each course in the session
$nbr_users = 0;
$courseId = Database::escape_string($courseId);
// delete existing users
if ($empty_users) {
foreach ($existingUsers as $existing_user) {
if (!in_array($existing_user, $user_list)) {
$sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id ='$courseId' AND id_user='$existing_user' AND status = 0";
$result = Database::query($sql);
if (Database::affected_rows($result)) {
$nbr_users--;
}
}
}
}
//Replace with this new function
//
// insert new users into session_rel_course_rel_user and ignore if they already exist
foreach ($user_list as $enreg_user) {
if(!in_array($enreg_user, $existingUsers)) {
$enreg_user = Database::escape_string($enreg_user);
$insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, visibility, status) VALUES('$id_session','$courseId','$enreg_user','$session_visibility', '0')";
$result = Database::query($insert_sql);
if (Database::affected_rows($result)) {
$nbr_users++;
}
}
}
// count users in this session-course relation
$sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id ='$courseId' AND status<>2";
$rs = Database::query($sql);
list($nbr_users) = Database::fetch_array($rs);
// update the session-course relation to add the users total
$update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$id_session' AND c_id ='$courseId'";
Database::query($update_sql);
}
// Delete users from the session
if ($empty_users === true) {
Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
}
// Insert missing users into session
$nbr_users = 0;
foreach ($user_list as $enreg_user) {
$enreg_user = Database::escape_string($enreg_user);
$insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
Database::query($insert_sql);
//Reset moved_to just in case
$update_sql = "UPDATE $tbl_session_rel_user SET moved_to = 0, moved_status = 0, moved_at ='0000-00-00 00:00:00'
WHERE id_session = $id_session AND id_user = $enreg_user";
Database::query($update_sql);
$nbr_users++;
}
// update number of users in the session
$nbr_users = count($user_list);
if ($empty_users) {
// update number of users in the session
$update_sql = "UPDATE $tbl_session SET nbr_users = $nbr_users WHERE id='$id_session' ";
Database::query($update_sql);
} else {
$update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users + $nbr_users WHERE id='$id_session' ";
Database::query($update_sql);
}
}
/**
* @param $user_list
* @param $session_id
* @param $courseId
* @param int $session_visibility
* @return bool
*/
static function subscribe_users_to_session_course($user_list, $session_id, $courseId, $session_visibility = SESSION_VISIBLE_READ_ONLY ) {
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
if (empty($user_list) || empty($session_id) || empty($course_code)) {
return false;
}
$session_id = intval($session_id);
$courseId = Database::escape_string($courseId);
$session_visibility = intval($session_visibility);
$nbr_users = 0;
foreach ($user_list as $enreg_user) {
//if (!in_array($enreg_user, $existingUsers)) {
$enreg_user = intval($enreg_user);
$insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, visibility)
VALUES ('$session_id','$courseId','$enreg_user','$session_visibility')";
$result = Database::query($insert_sql);
if (Database::affected_rows($result)) {
$nbr_users++;
}
//}
}
// count users in this session-course relation
$sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id = '$courseId' AND status<>2";
$rs = Database::query($sql);
list($nbr_users) = Database::fetch_array($rs);
// update the session-course relation to add the users total
$update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$session_id' AND c_id = '$courseId'";
Database::query($update_sql);
}
/**
* Unsubscribe user from session
*
* @param int session id
* @param int user id
* @param int reason of unsubscription see function get_session_change_user_reasons()
* @return bool true in case of success, false in case of error
*/
public static function unsubscribe_user_from_session($session_id, $user_id) {
$session_id = intval($session_id);
$user_id = intval($user_id);
$reason_id = intval($reason_id);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$user_status = SessionManager::get_user_status_in_session($session_id, $user_id);
if ($user_status['moved_to'] != 0) {
//You can't subscribe a user that was moved
return false;
}
$delete_sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user ='$user_id' AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
$result = Database::query($delete_sql);
$return = Database::affected_rows($result);
// Update number of users
$update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
Database::query($update_sql);
// Get the list of courses related to this session
$course_list = SessionManager::get_course_list_by_session_id($session_id);
if (!empty($course_list)) {
foreach($course_list as $course) {
$courseId = $course['id'];
// Delete user from course
$result = Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id='$courseId' AND id_user='$user_id'");
if (Database::affected_rows($result)) {
// Update number of users in this relation
Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1 WHERE id_session='$session_id' AND c_id ='$courseId'");
}
}
}
return true;
}
/**
*
* @param int $session_id
* @param array user id list
* @param int $courseId
*/
static function unsubscribe_user_from_course_session($session_id, $user_list, $courseId) {
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
if (is_array($user_list) && count($user_list)>0 ) {
array_map('intval', $user_list);
$user_list = implode(',', $user_list);
}
$session_id = intval($session_id);
$courseId = Database::escape_string($courseId);
if (!empty($user_list)) {
$result = Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id='".$courseId."' AND id_user IN($user_list)");
$nbr_affected_rows = Database::affected_rows($result);
Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users-$nbr_affected_rows WHERE id_session='$session_id' AND c_id='".$courseId."'");
}
}
/** Subscribes courses to the given session and optionally (default) unsubscribes previous users
* @author Carlos Vargas from existing code
* @param int Session ID
* @param array List of courses IDs
* @param bool Whether to unsubscribe existing users (true, default) or not (false)
* @return void Nothing, or false on error
**/
public static function add_courses_to_session($id_session, $course_list, $empty_courses = true) {
// security checks
if ($id_session!= strval(intval($id_session))) { return false; }
// initialisation
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
// get general coach ID
$id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
$id_coach = Database::fetch_array($id_coach);
$id_coach = $id_coach[0];
// get list of courses subscribed to this session
$rs = Database::query("SELECT c_id FROM $tbl_session_rel_course WHERE id_session=$id_session");
$existingCourses = Database::store_result($rs, 'ASSOC');
$nbr_courses=count($existingCourses);
// get list of users subscribed to this session
$sql="SELECT id_user
FROM $tbl_session_rel_user
WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
$result=Database::query($sql);
$user_list=Database::store_result($result, 'ASSOC');
// Remove existing courses from the session
if ($empty_courses === true) {
foreach ($existingCourses as $existingCourse) {
if (!in_array($existingCourse['c_id'], $course_list)){
Database::query("DELETE FROM $tbl_session_rel_course WHERE c_id='".$existingCourse['c_id']."' AND id_session=$id_session");
Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE c_id='".$existingCourse['c_id']."' AND id_session=$id_session");
}
}
$nbr_courses=0;
}
// Pass through the courses list we want to add to the session
foreach ($course_list as $courseId) {
$courseId = Database::escape_string($courseId);
$exists = false;
// check if the course we want to add is already subscribed
foreach ($existingCourses as $existingCourse) {
if ($courseId == $existingCourse['c_id']) {
$exists=true;
}
}
if ($exists == false) {
CourseManager::update_course_ranking($courseId, $id_session);
//if the course isn't subscribed yet
$sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session, c_id) VALUES ('$id_session','$courseId')";
Database::query($sql_insert_rel_course);
//We add the current course in the existing courses array, to avoid adding another time the current course
$existingCourses[]=array('c_id' => $courseId);
$nbr_courses++;
// subscribe all the users from the session to this course inside the session
$nbr_users=0;
foreach ($user_list as $enreg_user) {
$enreg_user_id = Database::escape_string($enreg_user['id_user']);
$sql_insert = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, c_id, id_user) VALUES ('$id_session','$courseId','$enreg_user_id')";
$result = Database::query($sql_insert);
if (Database::affected_rows($result)) {
$nbr_users++;
}
}
SessionManager::subscribe_users_to_session_course($user_list, $id_session, $courseId);
Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND c_id = '$courseId'");
}
}
Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
}
/**
* Unsubscribe course from a session
*
* @param int Session id
* @param int Course id
* @return bool True in case of success, false otherwise
*/
public static function unsubscribe_course_from_session($session_id, $course_id) {
$session_id = (int)$session_id;
$course_id = (int)$course_id;
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
// Unsubscribe course
$result = Database::query("DELETE FROM $tbl_session_rel_course WHERE c_id ='$course_id' AND id_session='$session_id'");
$nb_affected = Database::affected_rows($result);
Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE c_id ='$course_id' AND id_session='$session_id'");
if ($nb_affected > 0) {
// Update number of courses in the session
Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
return true;
} else {
return false;
}
}
/**
* Creates a new extra field for a given session
* @param string Field's internal variable name
* @param int Field's type
* @param string Field's language var name
* @return int new extra field id
*/
public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle) {
// database table definition
$params = array('field_variable' => $fieldvarname,
'field_type' => $fieldtype,
'field_display_text' => $fieldtitle
);
$session_field = new SessionField();
$field_id = $session_field->save($params);
return $field_id;
}
/**
* Update an extra field value for a given session
* @param integer Course ID
* @param string Field variable name
* @param string Field value
* @return boolean true if field updated, false otherwise
*/
public static function update_session_extra_field_value ($session_id, $fname, $fvalue = null) {
$session_field_value = new SessionFieldValue();
$session_field_value->update($params);
$t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
$t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
$fname = Database::escape_string($fname);
$session_id = (int)$session_id;
$tms = api_get_utc_datetime();
$fvalues = '';
if (is_array($fvalue)) {
foreach($fvalue as $val) {
$fvalues .= Database::escape_string($val).';';
}
if(!empty($fvalues)) {
$fvalues = substr($fvalues,0,-1);
}
} else {
$fvalues = Database::escape_string($fvalue);
}
$sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
$ressf = Database::query($sqlsf);
if (Database::num_rows($ressf)==1) {
// ok, the field exists
// Check if enumerated field, if the option is available
$rowsf = Database::fetch_array($ressf);
$sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
$ressfv = Database::query($sqlsfv);
$n = Database::num_rows($ressfv);
if ($n>1) {
//problem, we already have to values for this field and user combination - keep last one
while($rowsfv = Database::fetch_array($ressfv)) {
if($n > 1) {
$sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
$resd = Database::query($sqld);
$n--;
}
$rowsfv = Database::fetch_array($ressfv);
if ($rowsfv['field_value'] != $fvalues) {
$sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
$resu = Database::query($sqlu);
return($resu?true:false);
}
return true;
}
} else if ($n==1) {
//we need to update the current record
$rowsfv = Database::fetch_array($ressfv);
if($rowsfv['field_value'] != $fvalues) {
$sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
//error_log('UM::update_extra_field_value: '.$sqlu);
$resu = Database::query($sqlu);
return($resu?true:false);
}
return true;
} else {
$sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
"VALUES ('$session_id',".$rowsf['id'].",'$fvalues', '$tms')";
//error_log('UM::update_extra_field_value: '.$sqli);
$resi = Database::query($sqli);
return($resi?true:false);
}
} else {
return false; //field not found
}
}
/**
* Checks the relationship between a session and a course.
* @param int $session_id
* @param int $course_id
* @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
* */
public static function relation_session_course_exist ($session_id, $courseId) {
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$return_value = false;
$sql= "SELECT c_id FROM $tbl_session_course
WHERE id_session = ".Database::escape_string($session_id)." AND c_id = '".Database::escape_string($courseId)."'";
$result = Database::query($sql);
$num = Database::num_rows($result);
if ($num>0) {
$return_value = true;
}
return $return_value;
}
/**
* Get the session information by name
* @param string session name
* @return mixed false if the session does not exist, array if the session exist
* */
public static function get_session_by_name ($session_name) {
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$sql = 'SELECT * FROM '.$tbl_session.' WHERE name="'.Database::escape_string($session_name).'"';
$result = Database::query($sql);
$num = Database::num_rows($result);
if ($num) {
return Database::fetch_array($result, 'ASSOC');
} else {
return false;
}
}
/**
* Create a session category
* @author Jhon Hinojosa , from existing code
* @param string name
* @param integer year_start
* @param integer month_start
* @param integer day_start
* @param integer year_end
* @param integer month_end
* @param integer day_end
* @return $id_session;
**/
public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$name= trim($sname);
$year_start= intval($syear_start);
$month_start=intval($smonth_start);
$day_start=intval($sday_start);
$year_end=intval($syear_end);
$month_end=intval($smonth_end);
$day_end=intval($sday_end);
$date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
$date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
if (empty($name)) {
$msg=get_lang('SessionCategoryNameIsRequired');
return $msg;
} elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
$msg=get_lang('InvalidStartDate');
return $msg;
} elseif (!$month_end && !$day_end && !$year_end) {
$date_end = "null";
} elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
$msg=get_lang('InvalidEndDate');
return $msg;
} elseif($date_start >= $date_end) {
$msg=get_lang('StartDateShouldBeBeforeEndDate');
return $msg;
}
$access_url_id = api_get_current_access_url_id();
$sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
Database::query($sql);
$id_session = Database::insert_id();
// Add event to system log
$user_id = api_get_user_id();
event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
return $id_session;
}
/**
* Edit a sessions categories
* @author Jhon Hinojosa ,from existing code
* @param integer id
* @param string name
* @param integer year_start
* @param integer month_start
* @param integer day_start
* @param integer year_end
* @param integer month_end
* @param integer day_end
* @return $id;
* The parameter id is a primary key
**/
public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$name= trim($sname);
$year_start= intval($syear_start);
$month_start=intval($smonth_start);
$day_start=intval($sday_start);
$year_end=intval($syear_end);
$month_end=intval($smonth_end);
$day_end=intval($sday_end);
$id=intval($id);
$date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
$date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
if (empty($name)) {
$msg=get_lang('SessionCategoryNameIsRequired');
return $msg;
} elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
$msg=get_lang('InvalidStartDate');
return $msg;
} elseif (!$month_end && !$day_end && !$year_end) {
$date_end = null;
} elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
$msg=get_lang('InvalidEndDate');
return $msg;
} elseif($date_start >= $date_end) {
$msg=get_lang('StartDateShouldBeBeforeEndDate');
return $msg;
}
if ( $date_end <> null ) {
$sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
", date_end = '$date_end' WHERE id= '".$id."' ";
} else {
$sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
", date_end = NULL WHERE id= '".$id."' ";
}
$result = Database::query($sql);
return ($result? true:false);
}
/**
* Delete sessions categories
* @author Jhon Hinojosa , from existing code
* @param array id_checked
* @param bool include delete session
* @param bool optional, true if the function is called by a webservice, false otherwise.
* @return void Nothing, or false on error
* The parameters is a array to delete sessions
**/
public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false){
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
if (is_array($id_checked)) {
$id_checked = Database::escape_string(implode(',',$id_checked));
} else {
$id_checked = intval($id_checked);
}
//Setting session_category_id to 0
$sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
Database::query($sql);
$sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
$result = @Database::query($sql);
while ($rows = Database::fetch_array($result)) {
$session_id = $rows['id'];
if ($delete_session) {
if ($from_ws) {
SessionManager::delete_session($session_id,true);
} else {
SessionManager::delete_session($session_id);
}
}
}
$sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
$rs = Database::query($sql);
$result = Database::affected_rows($rs);
// Add event to system log
$user_id = api_get_user_id();
event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
// delete extra session fields where field variable is "PERIODO"
$t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
$t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
$sql = "SELECT t_sfv.field_id FROM $t_sfv t_sfv, $t_sf t_sf WHERE t_sfv.session_id = '$id_checked' AND t_sf.field_variable = 'PERIODO' ";
$rs_field = Database::query($sql);
$field_id = 0;
if (Database::num_rows($rs_field) > 0) {
$row_field = Database::fetch_row($rs_field);
$field_id = $row_field[0];
$sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
$rs_delete_sfv = Database::query($sql_delete_sfv);
}
$sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
$rs_field_id = Database::query($sql);
if (Database::num_rows($rs_field_id) == 0) {
$sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
$rs_delete_sf = Database::query($sql_delete_sf);
}
return true;
}
/**
* Get a list of sessions of which the given conditions match with an = 'cond'
* @param array $conditions a list of condition (exemple : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
* @param array $order_by a list of fields on which sort
* @return array An array with all sessions of the platform.
* @todo optional course code parameter, optional sorting parameters...
*/
public static function get_sessions_list($conditions = array(), $order_by = array()) {
$session_table = Database::get_main_table(TABLE_MAIN_SESSION);
$session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
$return_array = array();
$sql_query = " SELECT s.id, s.name, s.nbr_courses, s.access_start_date, s.access_end_date, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
FROM $session_table s
INNER JOIN $user_table u ON s.id_coach = u.user_id
INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
WHERE ar.access_url_id = $access_url_id ";
if (count($conditions) > 0) {
$sql_query .= ' AND ';
foreach ($conditions as $field=>$value) {
$field = Database::escape_string($field);
$value = Database::escape_string($value);
$sql_query .= $field." '".$value."'";
}
}
if (count($order_by)>0) {
$sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
}
//echo $sql_query;
$sql_result = Database::query($sql_query);
if (Database::num_rows($sql_result)>0) {
while ($result = Database::fetch_array($sql_result)) {
$return_array[$result['id']] = $result;
}
}
return $return_array;
}
/**
* Get the session category information by id
* @param string session category ID
* @return mixed false if the session category does not exist, array if the session category exists
*/
public static function get_session_category ($id) {
$id = intval($id);
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
$result = Database::query($sql);
$num = Database::num_rows($result);
if ($num>0){
return Database::fetch_array($result);
} else {
return false;
}
}
/**
* Get all session categories (filter by access_url_id)
* @return mixed false if the session category does not exist, array if the session category exists
*/
public static function get_all_session_category() {
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$id = api_get_current_access_url_id();
$sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
$result = Database::query($sql);
if (Database::num_rows($result) > 0 ){
$data = Database::store_result($result,'ASSOC');
return $data;
} else {
return false;
}
}
/**
* Assign a coach to course in session with status = 2
* @param int - user id
* @param int - session id
* @param int - course id
* @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
* @return bool true if there are affected rows, otherwise false
*/
public static function set_coach_to_course_session($user_id, $session_id = 0, $courseId = '',$nocoach = false) {
// Definition of variables
$user_id = intval($user_id);
if (!empty($session_id)) {
$session_id = intval($session_id);
} else {
$session_id = api_get_session_id();
}
if (!empty($courseId)) {
$courseId = Database::escape_string($courseId);
} else {
$courseId = api_get_course_int_id();
}
// definitios of tables
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
// check if user is a teacher
$sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
$rs_check_user = Database::query($sql);
if (Database::num_rows($rs_check_user) > 0) {
if ($nocoach) {
// check if user_id exits int session_rel_user
$sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
// The user don't be a coach now
$sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0 WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
$rs_update = Database::query($sql);
if (Database::affected_rows($rs_update) > 0) return true;
else return false;
} else {
// The user don't be a coach now
$sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
$rs_delete = Database::query($sql);
if (Database::affected_rows($rs_delete) > 0) return true;
else return false;
}
} else {
// Assign user like a coach to course
// First check if the user is registered in the course
$sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id'";
$rs_check = Database::query($sql);
//Then update or insert
if (Database::num_rows($rs_check) > 0) {
$sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2 WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
$rs_update = Database::query($sql);
if (Database::affected_rows($rs_update) > 0) return true;
else return false;
} else {
$sql = " INSERT INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, status) VALUES('$session_id', '$courseId', '$user_id', 2)";
$rs_insert = Database::query($sql);
if (Database::affected_rows($rs_insert) > 0) return true;
else return false;
}
}
} else {
return false;
}
}
/**
* Subscribes sessions to human resource manager (Dashboard feature)
* @param int Human Resource Manager id
* @param array Sessions id
* @param int Relation type
**/
public static function suscribe_sessions_to_hr_manager($hr_manager_id,$sessions_list) {
global $_configuration;
// Database Table Definitions
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$hr_manager_id = intval($hr_manager_id);
$affected_rows = 0;
//Deleting assigned sessions to hrm_id
if (api_is_multiple_url_enabled()) {
$sql = "SELECT id_session FROM $tbl_session_rel_user s INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." AND access_url_id = ".api_get_current_access_url_id()."";
} else {
$sql = "SELECT id_session FROM $tbl_session_rel_user s WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
}
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
while ($row = Database::fetch_array($result)) {
$sql = "DELETE FROM $tbl_session_rel_user
WHERE id_session = {$row['id_session']} AND id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." ";
Database::query($sql);
}
}
// inserting new sessions list
if (is_array($sessions_list)) {
foreach ($sessions_list as $session_id) {
$session_id = intval($session_id);
$insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user, relation_type) VALUES($session_id, $hr_manager_id, '".SESSION_RELATION_TYPE_RRHH."')";
$result = Database::query($insert_sql);
$affected_rows = Database::affected_rows($result);
}
}
return $affected_rows;
}
/**
* Get sessions followed by human resources manager
* @param int Human resources manager or Session admin id
* @return array sessions
*/
public static function get_sessions_followed_by_drh($hr_manager_id) {
global $_configuration;
// Database Table Definitions
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$hr_manager_id = intval($hr_manager_id);
$assigned_sessions_to_hrm = array();
if ($_configuration['multiple_access_urls']) {
$sql = "SELECT * FROM $tbl_session s INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id) LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
WHERE sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND access_url_id = ".api_get_current_access_url_id()."";
} else {
$sql = "SELECT * FROM $tbl_session s
INNER JOIN $tbl_session_rel_user sru ON sru.id_session = s.id AND sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' ";
}
$rs_assigned_sessions = Database::query($sql);
if (Database::num_rows($rs_assigned_sessions) > 0) {
while ($row_assigned_sessions = Database::fetch_array($rs_assigned_sessions)) {
$assigned_sessions_to_hrm[$row_assigned_sessions['id']] = $row_assigned_sessions;
}
}
return $assigned_sessions_to_hrm;
}
/**
* Gets the list of courses by session filtered by access_url
* @param int session id
* @return array list of courses
*/
public static function get_course_list_by_session_id ($session_id) {
$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
// select the courses
$sql = "SELECT c.*, c.id as real_id FROM $tbl_course c INNER JOIN $tbl_session_rel_course src ON c.id = src.c_id
WHERE src.id_session = '$session_id'
ORDER BY title;";
$result = Database::query($sql);
$num_rows = Database::num_rows($result);
$courses = array();
if ($num_rows > 0) {
while ($row = Database::fetch_array($result,'ASSOC')) {
$row['real_id'] = $row['id'];
$courses[$row['id']] = $row;
}
}
return $courses;
}
/**
* Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
*
* @param string Original session id
* @param string Original field name
* @return int Session id
*/
public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name) {
$t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
$table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
$sql_session = "SELECT session_id FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id WHERE field_variable='$original_session_id_name' AND field_value='$original_session_id_value'";
$res_session = Database::query($sql_session);
$row = Database::fetch_object($res_session);
if ($row) {
return $row->session_id;
} else {
return 0;
}
}
/**
* Get users by session
* @param int session id
* @param int filter by status
* @return array a list with an user list
*/
public static function get_users_by_session($id, $with_status = null) {
if (empty($id)) {
return array();
}
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$id = intval($id);
/*
* sessions are not shared between urls
if (api_is_multiple_url_enabled()) {
$tbl_session_rel_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$url_id = api_get_current_access_url_id();
$sql = "SELECT u.user_id, lastname, firstname, username, access_url_id, moved_to, moved_status, moved_at
FROM $tbl_user u
INNER JOIN $tbl_session_rel_user su
ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
INNER JOIN $tbl_session_rel_url s ON (s.session_id = su.id_session)
LEFT OUTER JOIN $tbl_session_rel_user uu ON (uu.user_id = u.user_id AND s.session_id = uu.id_session)
WHERE su.id_session = $id AND (access_url_id = $url_id OR access_url_id is null )";
} else {
$sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
ON u.user_id = su.id_user AND
su.id_session = $id
WHERE 1 = 1
";
}*/
$sql = "SELECT u.user_id,
lastname,
firstname,
username,
moved_to,
moved_status,
moved_at
FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
ON u.user_id = su.id_user AND
su.id_session = $id
WHERE 1 = 1
";
if (isset($with_status) && $with_status != '') {
$with_status = intval($with_status);
$sql .= " AND relation_type = $with_status ";
}
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
$sql .= $order_clause;
$return_array = array();
$result = Database::query($sql);
while ($row = Database::fetch_array($result,'ASSOC')) {
$return_array[] = $row;
}
return $return_array;
}
/**
* The general coach (field: session.id_coach)
* @param int user id
*/
public static function get_sessions_by_general_coach($user_id) {
$session_table = Database::get_main_table(TABLE_MAIN_SESSION);
$user_id = intval($user_id);
// session where we are general coach
$sql = "SELECT DISTINCT *
FROM $session_table
WHERE id_coach = $user_id";
if (api_is_multiple_url_enabled()) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$sql = 'SELECT DISTINCT session.*
FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON (session.id = session_rel_url.session_id)
WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
}
}
$sql .= ' ORDER by name';
$result = Database::query($sql);
return Database::store_result($result, 'ASSOC');
}
/**
* Get all sessions if the user is a sesion course coach of any session
* @param int user id
*/
static function get_sessions_by_coach($user_id) {
// table definition
$tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
$tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sql = 'SELECT DISTINCT session.*
FROM ' . $tbl_session . ' as session
INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
ON session.id = session_course_user.id_session
AND session_course_user.id_user=' . $user_id.' AND session_course_user.status=2';
if (api_is_multiple_url_enabled()) {
$tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = 'SELECT DISTINCT session.*
FROM '.$tbl_session.' as session
INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
ON session.id = session_course_user.id_session AND session_course_user.id_user = '.$user_id.' AND session_course_user.status=2
INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
ON (session.id = session_rel_url.session_id)
WHERE access_url_id = '.$access_url_id;
}
}
//$sql .= " ORDER BY session.name";
$result = Database::query($sql);
return Database::store_result($result, 'ASSOC');
}
public static function get_sessions_coached_by_user($coach_id, $check_session_rel_user_visibility = false) {
$sessions = self::get_sessions_by_general_coach($coach_id);
$sessions_by_coach = self::get_sessions_by_coach($coach_id);
if (!empty($sessions_by_coach)) {
$sessions = array_merge($sessions, $sessions_by_coach);
}
//Remove repeated sessions
if (!empty($sessions)) {
$clean_sessions = array();
foreach ($sessions as $session) {
$clean_sessions[$session['id']] = $session;
}
$sessions = $clean_sessions;
}
if ($check_session_rel_user_visibility) {
if (!empty($sessions)) {
$new_session = array();
foreach ($sessions as $session) {
$visibility = api_get_session_visibility($session['id']);
if ($visibility == SESSION_INVISIBLE) {
continue;
}
$new_session[] = $session;
}
$sessions = $new_session;
}
}
return $sessions;
}
/**
* Gets user status within a session
* @param $user_id
* @param $course_code
* @param $session_id
* @return unknown_type
*/
public static function get_user_status_in_course_session($user_id, $courseId, $session_id) {
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$sql = "SELECT session_rcru.status
FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
WHERE session_rcru.id_user = user.user_id AND
session_rcru.id_session = '".intval($session_id)."' AND
session_rcru.c_id ='".Database::escape_string($courseId)."' AND
user.user_id = ".intval($user_id);
$result = Database::query($sql);
$status = false;
if (Database::num_rows($result)) {
$status = Database::fetch_row($result);
$status = $status['0'];
}
return $status;
}
static function get_user_status_in_session($session_id, $user_id) {
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$session_id = intval($session_id);
$user_id = intval($user_id);
$sql = "SELECT * FROM $tbl_session_rel_user WHERE id_user = $user_id AND id_session = $session_id";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$result = Database::store_result($result, 'ASSOC');
return $result[0];
}
return array();
}
function get_all_sessions_by_promotion($id) {
$t = Database::get_main_table(TABLE_MAIN_SESSION);
return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
}
function suscribe_sessions_to_promotion($promotion_id, $list) {
$t = Database::get_main_table(TABLE_MAIN_SESSION);
$params = array();
$params['promotion_id'] = 0;
Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
$params['promotion_id'] = $promotion_id;
if (!empty($list)) {
foreach ($list as $session_id) {
$session_id= intval($session_id);
Database::update($t, $params, array('id = ?'=>$session_id));
}
}
}
/**
* Updates a session status
* @param int session id
* @param int status
*/
public function set_session_status($session_id, $status) {
$t = Database::get_main_table(TABLE_MAIN_SESSION);
$params['visibility'] = $status;
Database::update($t, $params, array('id = ?'=>$session_id));
}
/**
* Copies a session with the same data to a new session.
* The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
* @param int Session ID
* @param bool Whether to copy the relationship with courses
* @param bool Whether to copy the relationship with users
* @param bool New courses will be created
* @return int The new session ID on success, 0 otherwise
* @todo make sure the extra session fields are copied too
*/
/**
* @param $id
* @param $copy_courses
* @param $copy_users
* @param $create_new_courses
* @param $set_exercises_lp_invisible
* @return int
*/
public function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false) {
$id = intval($id);
$params = self::fetch($id);
$params['name'] = $params['name'].' '.get_lang('CopyLabelSuffix');
$sid = self::add($params);
if (!is_numeric($sid) || empty($sid)) {
return false;
}
if ($copy_courses) {
// Register courses from the original session to the new session
$courses = self::get_course_list_by_session_id($id);
$short_courses = $new_short_courses = array();
if (is_array($courses) && count($courses)>0) {
foreach ($courses as $course) {
$short_courses[] = $course;
}
}
$courses = null;
//We will copy the current courses of the session to new courses
if (!empty($short_courses)) {
if ($create_new_courses) {
//Just in case
if (function_exists('ini_set')) {
api_set_memory_limit('256M');
ini_set('max_execution_time',0);
}
$params = array();
$params['skip_lp_dates'] = true;
foreach ($short_courses as $course_data) {
$course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
if ($course_info) {
//By default new elements are invisible
if ($set_exercises_lp_invisible) {
$list = new LearnpathList('', $course_info['code'], $sid);
$flat_list = $list->get_flat_list();
if (!empty($flat_list)) {
foreach ($flat_list as $lp_id => $data) {
api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
}
}
$quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
$course_id = $course_info['real_id'];
//@todo check this query
//Disabling quiz items
$sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
Database::query($sql);
}
$new_short_courses[] = $course_info['code'];
}
}
} else {
foreach($short_courses as $course_data) {
$new_short_courses[] = $course_data['id'];
}
}
$short_courses = $new_short_courses;
$res = self::add_courses_to_session($sid, $short_courses, true);
$short_courses = null;
}
}
if ($copy_users) {
// Register users from the original session to the new session
$users = self::get_users_by_session($id);
$short_users = array();
if (is_array($users) && count($users)>0) {
foreach ($users as $user) {
$short_users[] = $user['user_id'];
}
}
$users = null;
//Subscribing in read only mode
$res = self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
$short_users = null;
}
return $sid;
}
static function user_is_general_coach($user_id, $session_id) {
$session_id = intval($session_id);
$user_id = intval($user_id);
$session_table = Database::get_main_table(TABLE_MAIN_SESSION);
$sql = "SELECT DISTINCT id
FROM $session_table
WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
$result = Database::query($sql);
if ($result && Database::num_rows($result)) {
return true;
}
return false;
}
/**
* Get the number of sessions
* @param int ID of the URL we want to filter on (optional)
* @return int Number of sessions
*/
public static function count_sessions($access_url_id=null) {
$session_table = Database::get_main_table(TABLE_MAIN_SESSION);
$access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$sql = "SELECT count(id) FROM $session_table s";
if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
$sql .= ", $access_url_rel_session_table u ".
" WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
}
$res = Database::query($sql);
$row = Database::fetch_row($res);
return $row[0];
}
/**
* @param int $id
* @return bool
*/
static function protect_session_edit($id = null)
{
if (api_is_platform_admin()) {
return false;
}
if (api_is_session_admin()) {
return false;
}
$blockTeachers = !api_is_teacher() || (api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'false');
if ($blockTeachers) {
api_not_allowed(true);
}
if (!empty($id)) {
$session_info = self::fetch($id);
if (empty($session_info)) {
api_not_allowed(true);
}
if ($blockTeachers && !api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
if ($session_info['session_admin_id'] != api_get_user_id()) {
api_not_allowed(true);
}
}
//Blocking teachers that want to edit another session
if ($blockTeachers == false && $session_info['id_coach'] != api_get_user_id()) {
api_not_allowed(true);
}
}
}
/**
* @param $courseId
* @return array
*/
static function get_session_by_course($courseId)
{
$table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$table_session = Database::get_main_table(TABLE_MAIN_SESSION);
$courseId = Database::escape_string($courseId);
$sql = "SELECT name, s.id FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
WHERE sc.c_id = '$courseId' ";
$result = Database::query($sql);
return Database::store_result($result);
}
public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
{
$session_categories = UserManager::get_sessions_by_category($user_id, false, false, false, 0, null, null, $ignore_visibility_for_admins);
$session_array = array();
if (!empty($session_categories)) {
foreach ($session_categories as $category) {
if (isset($category['sessions'])) {
foreach ($category['sessions'] as $session) {
$session_array[] = $session;
}
}
}
}
return $session_array;
}
/**
* @param string $file
* @param bool $updatesession options:
* true: if the session exists it will be updated
* false: if session exists a new session will be created adding a counter session1, session2, etc
* @param int $user_id
* @param $logger
* @param array convert a file row to an extra field. Example in CSV file there's a SessionID then it will
* converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
* @param array extra fields
* @param string extra field id
* @param int $daysCoachAccessBeforeBeginning
* @param int $daysCoachAccessAfterBeginning
* @param int $sessionVisibility
* @return array
*/
static function importCSV(
$file,
$updatesession,
$defaultUserId = null,
$logger = null,
$extraFields = array(),
$extraFieldId = null,
$daysCoachAccessBeforeBeginning = null,
$daysCoachAccessAfterBeginning = null,
$sessionVisibility = 1,
$fieldsToAvoidUpdate = array()
)
{
$content = file($file);
$error_message = null;
$session_counter = 0;
if (empty($defaultUserId)) {
$defaultUserId = api_get_user_id();
}
$eol = PHP_EOL;
if (PHP_SAPI !='cli') {
$eol = '
';
}
$debug = false;
if (isset($logger)) {
$debug = true;
}
$extraParameters = null;
if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
$extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
$extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
}
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$sessions = array();
if (!api_strstr($content[0], ';')) {
$error_message = get_lang('NotCSV');
} else {
$tag_names = array();
foreach ($content as $key => $enreg) {
$enreg = explode(';', trim($enreg));
if ($key) {
foreach ($tag_names as $tag_key => $tag_name) {
$sessions[$key - 1][$tag_name] = $enreg[$tag_key];
}
} else {
foreach ($enreg as $tag_name) {
$tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
}
if (!in_array('SessionName', $tag_names) || !in_array('DateStart', $tag_names) || !in_array('DateEnd', $tag_names)) {
$error_message = get_lang('NoNeededData');
break;
}
}
}
// Looping the sessions.
foreach ($sessions as $enreg) {
$user_counter = 0;
$course_counter = 0;
if (isset($extraFields) && !empty($extraFields)) {
foreach ($extraFields as $original => $to) {
$enreg[$to] = $enreg[$original];
}
}
$session_name = Database::escape_string($enreg['SessionName']);
$date_start = $enreg['DateStart'];
$date_end = $enreg['DateEnd'];
$visibility = isset($enreg['Visibility']) ? $enreg['Visibility'] : $sessionVisibility;
$session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
// Searching a general coach.
if (!empty($enreg['Coach'])) {
$coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
if ($coach_id === false) {
// If the coach-user does not exist - I'm the coach.
$coach_id = $defaultUserId;
}
} else {
$coach_id = $defaultUserId;
}
if (!$updatesession) {
// Always create a session.
$unique_name = false; // This MUST be initializead.
$i = 0;
// Change session name, verify that session doesn't exist.
$suffix = null;
while (!$unique_name) {
if ($i > 1) {
$suffix = ' - '.$i;
}
$sql = 'SELECT 1 FROM '.$tbl_session.' WHERE name="'.$session_name.$suffix.'"';
$rs = Database::query($sql);
if (Database::result($rs, 0, 0)) {
$i++;
} else {
$unique_name = true;
$session_name .= $suffix;
}
}
// Creating the session.
/*$sql_session = "INSERT IGNORE INTO $tbl_session SET
name = '".$session_name."',
id_coach = '$coach_id',
date_start = '$date_start',
date_end = '$date_end',
visibility = '$visibility',
session_category_id = '$session_category_id',
session_admin_id=".intval($defaultUserId).$extraParameters;
Database::query($sql_session);*/
$params = array (
'id_coach' => $coach_id,
'visibility' => $visibility,
'name' => $session_name,
'access_start_date' => $date_start,
'access_end_date' => $date_end,
'session_category_id' => $session_category_id,
'session_admin_id' => $defaultUserId,
);
$session_id = SessionManager::add($params);
if ($debug) {
if ($session_id) {
foreach ($enreg as $key => $value) {
if (substr($key, 0, 6) == 'extra_') { //an extra field
self::update_session_extra_field_value($session_id, substr($key, 6), $value);
}
}
$logger->addInfo("Sessions - Session created: #$session_id - $session_name");
} else {
$logger->addError("Sessions - Session NOT created: $session_name");
}
}
$session_counter++;
} else {
$sessionId = null;
if (isset($extraFields) && !empty($extraFields)) {
$sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
if (empty($sessionId)) {
$my_session_result = false;
} else {
$my_session_result = true;
}
} else {
$my_session_result = self::get_session_by_name($enreg['SessionName']);
}
if ($my_session_result === false) {
// Creating a session.
/*$sql_session = "INSERT IGNORE INTO $tbl_session SET
name = '$session_name',
id_coach = '$coach_id',
date_start = '$date_start',
date_end = '$date_end',
visibility = '$visibility',
session_category_id = '$session_category_id' ".$extraParameters;*/
$params = array (
'id_coach' => $coach_id,
'visibility' => $visibility,
'name' => $session_name,
'access_start_date' => $date_start,
'access_end_date' => $date_end,
'session_category_id' => $session_category_id,
'session_admin_id' => $defaultUserId,
);
$session_id = SessionManager::add($params);
// We get the last insert id.
/*$my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
$session_id = $my_session_result['id'];*/
if ($debug) {
if ($session_id) {
foreach ($enreg as $key => $value) {
if (substr($key, 0, 6) == 'extra_') { //an extra field
self::update_session_extra_field_value($session_id, substr($key, 6), $value);
}
}
$logger->addInfo("Sessions - #$session_id created: $session_name");
} else {
$logger->addError("Sessions - Session NOT created: $session_name");
}
}
} else {
$params = array(
'id_coach' => $coach_id,
'date_start' => $date_start,
'date_end' => $date_end,
'visibility' => $visibility,
'session_category_id' => $session_category_id
);
if (!empty($fieldsToAvoidUpdate)) {
foreach ($fieldsToAvoidUpdate as $field) {
unset($params[$field]);
}
}
if (isset($sessionId) && !empty($sessionId)) {
// The session already exists, update it then.
Database::update($tbl_session, $params, array('id = ?' => $sessionId));
$session_id = $sessionId;
} else {
Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
$row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
list($session_id) = Database::fetch_array($row);
}
foreach ($enreg as $key => $value) {
if (substr($key, 0, 6) == 'extra_') { //an extra field
self::update_session_extra_field_value($session_id, substr($key, 6), $value);
}
}
Database::query("DELETE FROM $tbl_session_user WHERE id_session='$session_id'");
Database::query("DELETE FROM $tbl_session_course WHERE id_session='$session_id'");
Database::query("DELETE FROM $tbl_session_course_user WHERE id_session='$session_id'");
}
$session_counter++;
}
$users = explode('|', $enreg['Users']);
// Adding the relationship "Session - User".
if (is_array($users)) {
foreach ($users as $user) {
$user_id = UserManager::get_user_id_from_username($user);
if ($user_id !== false) {
// Insert new users.
$sql = "INSERT IGNORE INTO $tbl_session_user SET
id_user = '$user_id',
id_session = '$session_id'";
Database::query($sql);
if ($debug) {
$logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
}
$user_counter++;
}
}
}
$courses = explode('|', $enreg['Courses']);
foreach ($courses as $course) {
$course_code = api_strtoupper(api_substr($course, 0, api_strpos($course, '[')));
if (CourseManager::course_exists($course_code)) {
$courseInfo = api_get_course_info($course_code);
$courseId = $courseInfo['real_id'];
// Adding the course to a session.
$sql_course = "INSERT IGNORE INTO $tbl_session_course
SET c_id = '".$courseId."', id_session = '$session_id'";
Database::query($sql_course);
if ($debug) {
$logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
}
$course_counter++;
$pattern = "/\[(.*?)\]/";
preg_match_all($pattern, $course, $matches);
if (isset($matches[1])) {
$course_coaches = $matches[1][0];
$course_users = $matches[1][1];
}
$course_users = explode(',', $course_users);
$course_coaches = explode(',', $course_coaches);
// Adding coaches to session course user
if (!empty($course_coaches)) {
foreach ($course_coaches as $course_coach) {
$coach_id = UserManager::get_user_id_from_username($course_coach);
if ($coach_id !== false) {
$sql = "INSERT IGNORE INTO $tbl_session_course_user SET
id_user='$coach_id',
c_id ='$courseId',
id_session = '$session_id',
status = 2 ";
Database::query($sql);
if ($debug) {
$logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
}
} else {
$error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
}
}
}
$users_in_course_counter = 0;
// Adding the relationship "Session - Course - User".
foreach ($course_users as $user) {
$user_id = UserManager::get_user_id_from_username($user);
if ($user_id !== false) {
$sql = "INSERT IGNORE INTO $tbl_session_course_user SET
id_user='$user_id',
c_id = '$courseId',
id_session = '$session_id'";
Database::query($sql);
if ($debug) {
$logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
}
$users_in_course_counter++;
} else {
$error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
}
}
$sql = "UPDATE $tbl_session_course SET nbr_users='$users_in_course_counter' WHERE c_id ='$courseId'";
Database::query($sql);
$course_info = CourseManager::get_course_information($course_code);
$inserted_in_course[$course_code] = $course_info['title'];
}
}
$access_url_id = api_get_current_access_url_id();
UrlManager::add_session_to_url($session_id, $access_url_id);
$sql_update_users = "UPDATE $tbl_session SET nbr_users ='$user_counter', nbr_courses='$course_counter' WHERE id='$session_id'";
Database::query($sql_update_users);
}
}
return array(
'error_message' => $error_message,
'session_counter' => $session_counter
);
}
/**
* @todo Add constatns in a DB table
*/
static function get_session_change_user_reasons() {
return array (
self::SESSION_CHANGE_USER_REASON_SCHEDULE => get_lang('ScheduleChanged'),
self::SESSION_CHANGE_USER_REASON_CLASSROOM => get_lang('ClassRoomChanged'),
self::SESSION_CHANGE_USER_REASON_LOCATION => get_lang('LocationChanged'),
//self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION => get_lang('EnrollmentAnnulation'),
);
}
static function get_session_change_user_reasons_variations() {
return array (
self::SESSION_CHANGE_USER_REASON_SCHEDULE => array(
'default' => get_lang('ScheduleChanged'),
'from' => get_lang('ScheduleChangedFrom'),
'to' => get_lang('ScheduleChangedTo'),
),
self::SESSION_CHANGE_USER_REASON_CLASSROOM => array(
'default' => get_lang('ClassRoomChanged'),
'from' => get_lang('ClassRoomChangedFrom'),
'to' => get_lang('ClassRoomChangedTo'),
),
self::SESSION_CHANGE_USER_REASON_LOCATION => array(
'default' => get_lang('LocationChanged'),
'from' => get_lang('LocationChangedFrom'),
'to' => get_lang('LocationChangedTo'),
)
);
}
static function get_session_change_user_reasons_variations_by_id($id, $type) {
$reasons = self::get_session_change_user_reasons_variations();
$my_reason = isset($reasons[$id]) ? $reasons[$id] : null;
return isset($my_reason[$type]) ? $my_reason[$type] : null;
}
static function get_session_changed_reason_label($id, $type) {
switch ($type) {
case 'origin':
break;
case 'destination':
break;
}
}
/**
* Gets the reason name
* @param int reason id
*/
static function get_session_change_user_reason($id) {
$reasons = self::get_session_change_user_reasons();
return isset($reasons[$id]) ? $reasons[$id] : null;
}
/**
* Changes the user from one session to another due a reason
* @params int user_id
* @params int old session id
* @params int new session id
* @params int see SessionManager::get_session_change_user_reasons()
*/
static function change_user_session($user_id, $old_session_id, $new_session_id, $reason_id) {
if (!empty($user_id) && !empty($old_session_id) && !empty($new_session_id)) {
$user_id = intval($user_id);
$old_session_id = intval($old_session_id);
$new_session_id = intval($new_session_id);
$reason_id = intval($reason_id);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
// Update number of users
$update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - 1 WHERE id = '$old_session_id' ";
Database::query($update_sql);
// Get the list of courses related to this session
$course_list = SessionManager::get_course_list_by_session_id($old_session_id);
if (!empty($course_list)) {
foreach ($course_list as $course) {
$courseId = $course['id'];
// Delete user from course
//Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'");
//if (Database::affected_rows()) {
// Update number of users in this relation
$sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1 WHERE id_session = '$old_session_id' AND c_id='$courseId'";
Database::query($sql);
//}
}
}
//Deal with reasons
switch ($reason_id) {
case self::SESSION_CHANGE_USER_REASON_SCHEDULE:
case self::SESSION_CHANGE_USER_REASON_CLASSROOM:
case self::SESSION_CHANGE_USER_REASON_LOCATION:
//Adding to the new session
self::suscribe_users_to_session($new_session_id, array($user_id), null, false);
//Setting move_to if session was provided
$sql = "UPDATE $tbl_session_rel_user SET moved_to = '$new_session_id'
WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
Database::query($sql);
break;
case self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION:
UserManager::deactivate_users(array($user_id));
break;
}
$now = api_get_utc_datetime();
//Setting the moved_status
$sql = "UPDATE $tbl_session_rel_user SET moved_status = $reason_id, moved_at = '$now'
WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
Database::query($sql);
return true;
}
return;
}
/**
* Get users inside a course session
*/
static function get_users_in_course_session($courseId, $id_session, $sort, $direction, $from = null, $limit = null) {
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$courseId = Database::escape_string($courseId);
$id_session = Database::escape_string($id_session);
$from = intval($from);
$limit = intval($limit);
$is_western_name_order = api_is_western_name_order();
//Select the number of users
$sql = " SELECT DISTINCT u.user_id,".($is_western_name_order ? 'u.firstname, u.lastname' : 'u.lastname, u.firstname').", u.username, scru.id_user as is_subscribed
FROM $tbl_session_rel_user sru INNER JOIN $tbl_user u ON (u.user_id=sru.id_user)
LEFT JOIN $tbl_session_rel_course_rel_user scru ON (u.user_id = scru.id_user AND scru.c_id = '".$courseId."' )
WHERE sru.id_session = '$id_session' AND
sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION." AND
sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
$sql .= " ORDER BY $sort $direction ";
if (!empty($from) && !empty($limit)) {
$sql .= " LIMIT $from, $limit";
}
$result = Database::query($sql);
if (Database::num_rows($result)) {
return Database::store_result($result);
}
return false;
}
/**
* @param $courseId
* @param $id_session
* @return int|mixed
*/
static function get_count_users_in_course_session($courseId, $id_session) {
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
//Select the number of users
$sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
WHERE srcru.id_user = sru.id_user AND
srcru.id_session = sru.id_session AND
srcru.c_id = '".Database::escape_string($courseId)."' AND
srcru.id_session = '".intval($id_session)."' AND
(sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.") AND
sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
$result = Database::query($sql);
if (Database::num_rows($result)) {
return Database::result($result,0,0);
}
return 0;
}
/**
* Get the list of coaches (only user ids)
* @param string course_code
* @param in session_id
* @return array
*/
static function get_session_course_coaches($courseId, $session_id)
{
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
// Get coachs of the courses in session
$sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
WHERE session_rcru.id_user = user.user_id AND
session_rcru.id_session = '".intval($session_id)."' AND
session_rcru.c_id ='".Database::escape_string($courseId)."' AND
session_rcru.status=2";
$result = Database::query($sql);
return Database::store_result($result);
}
static function get_session_course_coaches_by_user($courseId, $session_id, $user_id)
{
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
// Get coachs of the courses in session
$sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
WHERE session_rcru.id_user = user.user_id AND
session_rcru.id_session = '".intval($session_id)."' AND
session_rcru.c_id ='".Database::escape_string($courseId)."' AND
session_rcru.status=2";
$result = Database::query($sql);
return Database::store_result($result);
}
static function get_session_course_coaches_to_string($courseId, $session_id)
{
$coaches = self::get_session_course_coaches($courseId, $session_id);
if (!empty($coaches)) {
$coach_list = array();
foreach ($coaches as $coach_info) {
$user_info = api_get_user_info($coach_info['user_id']);
$coach_list[] = $user_info['complete_name'];
}
if (!empty($coach_list)) {
return implode(', ', $coach_list);
}
}
return get_lang('None');
}
/**
* @param $id_session
* @param $courseId
*/
static function delete_course_in_session($id_session, $courseId)
{
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$id_session = intval($id_session);
$courseId = Database::escape_string($courseId);
if (!empty($id_session) && !empty($courseId)) {
$result = Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND c_id = '$courseId'");
$nbr_affected_rows = Database::affected_rows($result);
Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id = '$courseId'");
Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
}
}
static function get_session_rel_user_by_moved_to($session_id, $user_id) {
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$sql = "SELECT id_session, moved_status, moved_at FROM $tbl_session_rel_user WHERE id_user = $user_id AND moved_to = $session_id LIMIT 1";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$result = Database::store_result($result,'ASSOC');
return $result[0];
}
return false;
}
static function get_coaches_by_keyword($tag) {
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$roleRelUser = Database::get_main_table(TABLE_ROLE_USER);
$role = Database::get_main_table(TABLE_ROLE);
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
$select = "SELECT user.user_id, lastname, firstname, username ";
$sql = " $select FROM $tbl_user user INNER JOIN $roleRelUser ru on (user.user_id = ru.user_id) INNER JOIN $role r on (r.id = ru.role_id)
WHERE r.role in ('ROLE_ADMIN', 'ROLE_TEACHER') ";
$tag = Database::escape_string($tag);
$where_condition = array();
if (!empty($tag)) {
$condition = ' LIKE "%'.$tag.'%"';
$where_condition = array(
"firstname $condition",
"lastname $condition",
"username $condition"
);
$where_condition = ' AND ('.implode(' OR ', $where_condition).') ';
}
if (api_is_multiple_url_enabled()) {
$tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1){
$sql = $select.' FROM '.$tbl_user.' user
INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
WHERE access_url_id = '.$access_url_id.' AND status = 1';
}
}
$sql .= $where_condition.$order_clause;
$result = Database::query($sql);
return Database::store_result($result, 'ASSOC');
}
/**
* Returns a human readable string
* @params array An array with all the session dates
* @return string
*/
static function parse_session_dates($session_info)
{
//This will clean the variables if 0000-00-00 00:00:00 the variable will be empty
$start_date = null;
$end_date = null;
if (isset($session_info['display_start_date'])) {
$start_date = api_get_local_time($session_info['display_start_date'], null, null, true);
}
if (isset($session_info['display_end_date'])) {
$end_date = api_get_local_time($session_info['display_end_date'], null, null, true);
}
$msg_date = null;
if (!empty($start_date) && !empty($end_date)) {
//$msg_date = get_lang('From').' '.$start_date.' '.get_lang('To').' '.$end_date;
$msg_date = sprintf(get_lang('FromDateXToDateY'), $start_date, $end_date);
} else {
if (!empty($start_date)) {
$msg_date = get_lang('From').' '.$start_date;
}
if (!empty($end_date)) {
$msg_date = get_lang('Until').' '.$end_date;
}
}
return $msg_date;
}
public static function get_session_columns($list_type = 'simple') {
//Column config
$operators = array('cn', 'nc');
$date_operators = array('gt', 'ge', 'lt', 'le');
switch ($list_type) {
case 'simple':
$columns = array(
get_lang('Name'),
get_lang('SessionDisplayStartDate'),
get_lang('SessionDisplayEndDate'),
//get_lang('SessionCategoryName'),
//get_lang('Coach'),
//get_lang('Status'),
get_lang('Visibility'),
//get_lang('CourseTitle'),
);
$column_model = array (
array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
array('name'=>'display_end_date', 'index'=>'display_end_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_one_month', 'sopt' => $date_operators)),
// array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
//array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
//array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
//array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
//array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
//for the bottom bar
// 'searchoptions' => array(
// 'defaultValue' => '1',
// 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
//for the top bar
//'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
//),
//array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
//array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
);
break;
case 'complete':
$columns = array(
get_lang('Name'),
get_lang('SessionDisplayStartDate'),
get_lang('SessionDisplayEndDate'),
//get_lang('SessionCategoryName'),
get_lang('Coach'),
get_lang('Status'),
get_lang('Visibility'),
get_lang('CourseTitle'),
);
$column_model = array (
array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
array('name'=>'display_end_date', 'index'=>'display_end_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_one_month', 'sopt' => $date_operators)),
// array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
//array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
//array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
//for the bottom bar
'searchoptions' => array(
'defaultValue' => '1',
'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
//for the top bar
'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
),
//array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
);
break;
}
// Inject extra session fields
$session_field = new SessionField();
$rules = $session_field->getRules($columns, $column_model);
$column_model[] = array('name'=>'actions', 'index'=>'actions', 'width'=>'80', 'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false');
$columns[] = get_lang('Actions');
foreach ($column_model as $col_model) {
$simple_column_name[] = $col_model['name'];
}
$return_array = array(
'columns' => $columns,
'column_model' => $column_model,
'rules' => $rules,
'simple_column_name' => $simple_column_name
);
return $return_array;
}
static function getSessionsByCategory($categoryId)
{
$categoryId = intval($categoryId);
$tableSession = Database::get_main_table(TABLE_MAIN_SESSION);
$sql = "select * FROM $tableSession WHERE session_category_id = $categoryId";
$result = Database::query($sql);
return Database::store_result($result);
}
}