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127 lines
4.0 KiB
127 lines
4.0 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @package chamilo.chat
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*/
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/**
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* @author isaac flores paz
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* @param integer the user id
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* @param string the database name
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* @return boolean
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*/
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function user_connected_in_chat ($user_id) {
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$tbl_chat_connected = Database::get_course_table(CHAT_CONNECTED_TABLE);
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$session_id = api_get_session_id();
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$group_id = api_get_group_id();
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$user_id = intval($user_id);
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$course_id = api_get_course_int_id();
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$extra_condition = '';
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if (!empty($group_id)) {
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$extra_condition = " AND to_group_id = '$group_id'";
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} else {
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$extra_condition = api_get_session_condition($session_id);
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}
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$sql = 'SELECT COUNT(*) AS count FROM '.$tbl_chat_connected .' c WHERE c_id = '.$course_id.' AND user_id='.$user_id.$extra_condition;
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$result = Database::query($sql);
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$count = Database::fetch_array($result,'ASSOC');
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return $count['count'] == 1;
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}
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/**
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* @param integer
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* @return void
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*/
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function exit_of_chat($user_id) {
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$user_id = intval($user_id);
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$course_id = api_get_course_int_id();
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$list_course = array();
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$list_course = CourseManager::get_courses_list_by_user_id($user_id);
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$session_id = api_get_session_id();
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$group_id = api_get_group_id();
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$extra_condition = '';
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if (!empty($group_id)) {
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$extra_condition = " AND to_group_id = '$group_id'";
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} else {
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$extra_condition = api_get_session_condition($session_id);
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}
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$extra_condition.= " AND course_id = $course_id";
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$tbl_chat_connected = Database::get_course_table(CHAT_CONNECTED_TABLE);
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foreach ($list_course as $course) {
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$response = user_connected_in_chat($user_id);
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if ($response === true) {
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$sql = 'DELETE FROM '.$tbl_chat_connected.' WHERE c_id = '.$course['real_id'].' AND user_id='.$user_id.$extra_condition;
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Database::query($sql);
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}
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}
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}
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/**
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* @param string $database_name (optional)
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* @return void
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*/
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function disconnect_user_of_chat() {
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$list_info_user_in_chat = array();
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$course_id = api_get_course_int_id();
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$list_info_user_in_chat = users_list_in_chat();
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$course_id = api_get_course_int_id();
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$cd_date = date('Y-m-d',time());
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$cdate_h = date('H',time());
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$cdate_m = date('i',time());
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$cdate_s = date('s',time());
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$cd_count_time_seconds = $cdate_h*3600 + $cdate_m*60 + $cdate_s;
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if (is_array($list_info_user_in_chat) && count($list_info_user_in_chat) > 0 ) {
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foreach ($list_info_user_in_chat as $list_info_user) {
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$date_db_date = date('Y-m-d', strtotime($list_info_user['last_connection']));
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$date_db_h = date('H', strtotime($list_info_user['last_connection']));
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$date_db_m = date('i', strtotime($list_info_user['last_connection']));
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$date_db_s = date('s', strtotime($list_info_user['last_connection']));
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$date_count_time_seconds=$date_db_h*3600 + $date_db_m*60 + $date_db_s;
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if ($cd_date == $date_db_date) {
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if (($cd_count_time_seconds - $date_count_time_seconds) > 5) {
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$tbl_chat_connected = Database::get_course_table(CHAT_CONNECTED_TABLE);
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$sql = 'DELETE FROM '.$tbl_chat_connected.' WHERE c_id = '.$course_id.' AND user_id ='.$list_info_user['user_id'];
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Database::query($sql);
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}
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}
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}
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}
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}
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/**
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* @param string $database_name (optional)
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* @return array user list in chat
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*/
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function users_list_in_chat() {
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$list_users_in_chat = array();
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$tbl_chat_connected = Database::get_course_table(CHAT_CONNECTED_TABLE);
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$course_id = api_get_course_int_id();
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$session_id = api_get_session_id();
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$group_id = api_get_group_id();
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$extra_condition = '';
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if (!empty($group_id)) {
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$extra_condition = " WHERE to_group_id = '$group_id'";
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} else{
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$extra_condition = api_get_session_condition($session_id, false);
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}
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$extra_condition.= " AND c_id = $course_id ";
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$sql = 'SELECT user_id,last_connection FROM '.$tbl_chat_connected.$extra_condition;
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result, 'ASSOC')) {
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$list_users_in_chat[] = $row;
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}
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return $list_users_in_chat;
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} |