File Source for coaches.php

<?php
/*
* Created on 18 October 2006 by Elixir Interactive http://www.elixir-interactive.com
*/
ob_start();
// name of the language file that needs to be included
$language_file = array ('registration', 'index', 'tracking', 'admin');
$cidReset=true;
require ('../inc/global.inc.php');
$this_section = "session_my_space";
$nameTools= get_lang('Tutors');
api_block_anonymous_users();
$interbreadcrumb[] = array ("url" => "index.php", "name" => get_lang('MySpace'));
if(isset($_GET["id_student"])){
$interbreadcrumb[] = array ("url" => "student.php", "name" => get_lang('Students'));
}
Display :: display_header($nameTools);
api_display_tool_title($nameTools);
// Database Table Definitions
$tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
$tbl_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
$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);
$tbl_track_login = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
/*
===============================================================================
FUNCTION
===============================================================================
*/
function exportCsv($a_header,$a_data)
{
global $archiveDirName;
$fileName = 'coaches.csv';
$archivePath = api_get_path(SYS_PATH).$archiveDirName.'/';
$archiveURL = api_get_path(WEB_CODE_PATH).'course_info/download.php?archive=';
if(!$open = fopen($archivePath.$fileName,'w+'))
{
$message = get_lang('noOpen');
}
else
{
$info = '';
foreach($a_header as $header)
{
$info .= $header.';';
}
$info .= "\r\n";
foreach($a_data as $data)
{
foreach($data as $infos)
{
$info .= $infos.';';
}
$info .= "\r\n";
}
fwrite($open,$info);
fclose($open);
$perm = api_get_setting('permissions_for_new_files');
$perm = octdec(!empty($perm)?$perm:'0660');
chmod($fileName,$perm);
header("Location:".$archiveURL.$fileName);
}
return $message;
}
function calculHours($seconds)
{
//combien d'heures ?
$hours = floor($seconds / 3600);
//combien de minutes ?
$min = floor(($seconds - ($hours * 3600)) / 60);
if ($min < 10)
$min = "0".$min;
//combien de secondes
$sec = $seconds - ($hours * 3600) - ($min * 60);
if ($sec < 10)
$sec = "0".$sec;
//echo $hours."h".$min."m".$sec."s";
return $hours."h".$min."m".$sec."s" ;
}
function is_coach(){
global $tbl_session_course;
$sql="SELECT course_code FROM $tbl_session_course WHERE id_coach='".$_SESSION["_uid"]."'";
$result=api_sql_query($sql);
if(mysql_num_rows($result)>0){
return true;
}
else{
return false;
}
}
/**
* MAIN PART
*/
if(isset($_GET["id_student"])){
$i_id_student=$_GET["id_student"];
$sqlCoachs = "SELECT DISTINCT src.id_coach " .
"FROM $tbl_session_rel_course as src, $tbl_session_rel_course_rel_user as srcru " .
"WHERE src.id_coach<>'0' AND src.course_code=srcru.course_code AND srcru.id_user='$i_id_student' AND srcru.id_session=src.id_session
";
}
else{
if(api_is_platform_admin()){
$sqlCoachs = " SELECT DISTINCT id_coach, user_id, lastname, firstname
FROM $tbl_user, $tbl_session_rel_course
WHERE id_coach=user_id
ORDER BY lastname ASC
";
}
else{
$sqlCoachs = " SELECT DISTINCT id_coach, $tbl_user.user_id, lastname, firstname
FROM $tbl_user as user, $tbl_session_rel_course as session_rel_course, $tbl_course_user as course_rel_user
WHERE course_rel_user.course_code=session_rel_course.course_code AND course_rel_user.status='1' AND course_rel_user.user_id='".$_SESSION["_uid"]."'
AND session_rel_course.id_coach=user.user_id
ORDER BY lastname ASC
";
}
}
$resultCoachs = api_sql_query($sqlCoachs);
echo '<table class="data_table">
<tr>
<th>
'.get_lang('FirstName').'
</th>
<th>
'.get_lang('LastName').'
</th>
<th>
'.get_lang('ConnectionTime').'
</th>
<th>
'.get_lang('AdminCourses').'
</th>
<th>
'.get_lang('Students').'
</th>
</tr>
';
$a_header[]=get_lang('FirstName');
$a_header[]=get_lang('LastName');
$a_header[]=get_lang('ConnectionTime');
if(mysql_num_rows($resultCoachs)>0){
while($a_coachs=mysql_fetch_array($resultCoachs)){
$i_id_coach=$a_coachs["id_coach"];
if(isset($_GET["id_student"])){
$sql_infos_coach="SELECT lastname, firstname FROM $tbl_user WHERE user_id='$i_id_coach'";
$resultCoachsInfos = api_sql_query($sql_infos_coach);
$s_lastname=mysql_result($resultCoachsInfos,0,"lastname");
$s_firstname=mysql_result($resultCoachsInfos,0,"firstname");
}
else{
$s_lastname=$a_coachs["lastname"];
$s_firstname=$a_coachs["firstname"];
}
$s_sql_connection_time="SELECT login_date, logout_date FROM $tbl_track_login WHERE login_user_id ='$i_id_coach' AND logout_date <> 'null'";
$q_result_connection_time=api_sql_query($s_sql_connection_time);
$i_nb_seconds=0;
while($a_connections=mysql_fetch_array($q_result_connection_time)){
$s_login_date=$a_connections["login_date"];
$s_logout_date=$a_connections["logout_date"];
$i_timestamp_login_date=strtotime($s_login_date);
$i_timestamp_logout_date=strtotime($s_logout_date);
$i_nb_seconds+=($i_timestamp_logout_date-$i_timestamp_login_date);
}
$s_connection_time=calculHours($i_nb_seconds);
if($s_connection_time=="0h00m00s"){
$s_connection_time="";
}
if($i%2==0){
$s_css_class="row_odd";
if($i%20==0 && $i!=0){
echo '<tr>
<th>
'.get_lang('LastName').'
</th>
<th>
'.get_lang('FirstName').'
</th>
<th>
'.get_lang('ConnectionTime').'
</th>
<th>
'.get_lang('AdminCourses').'
</th>
<th>
'.get_lang('Students').'
</th>
</tr>';
}
}
else{
$s_css_class="row_even";
}
$i++;
$a_data[$i_id_coach]["firstname"]=$s_firstname;
$a_data[$i_id_coach]["lastname"]=$s_lastname;
$a_data[$i_id_coach]["connection_time"]=$s_connection_time;
echo '<tr class="'.$s_css_class.'"><td>'.$s_firstname.'</td><td>'.$s_lastname.'</td><td>'.$s_connection_time.'</td><td><a href="course.php?type=coach&user_id='.$i_id_coach.'">-></a></td><td><a href="student.php?type=coach&user_id='.$i_id_coach.'">-></a></td></tr>';
}
}
//No results
else{
echo '<tr><td colspan="5" "align=center">'.get_lang("NoResult").'</td></tr>';
}
echo '</table>';
if(isset($_POST['export'])){
exportCsv($a_header,$a_data);
}
echo "<br /><br />";
echo "<form method='post' action='coaches.php'>
<input type='submit' name='export' value='".get_lang('exportExcel')."'/>
<form>";
/*
==============================================================================
FOOTER
==============================================================================
*/
Display::display_footer();
?>

Source for file coaches.php