/**
* Displays the number of logins every month for a specific user in a specific course.
* @param $view
* @param int $user_id
* @param int $course_id
* @param int $session_id
* @return array
*/
public function display_login_tracking_info($view, $user_id, $course_id, $session_id = 0)
{
$MonthsLong = $GLOBALS['MonthsLong'];
$track_access_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
// protected data
$user_id = intval($user_id);
$session_id = intval($session_id);
$course_id = intval($course_id);
$tempView = $view;
if (substr($view, 0, 1) == '1') {
$new_view = substr_replace($view, '0', 0, 1);
$title[1] = get_lang('LoginsAndAccessTools') . get_lang('LoginsDetails');
$sql = "SELECT UNIX_TIMESTAMP(access_date), count(access_date)\n FROM {$track_access_table}\n WHERE access_user_id = {$user_id}\n AND c_id = {$course_id}\n AND access_session_id = {$session_id}\n GROUP BY YEAR(access_date),MONTH(access_date)\n ORDER BY YEAR(access_date),MONTH(access_date) ASC";
//$results = getManyResults2Col($sql);
$results = getManyResults3Col($sql);
$title_line = get_lang('LoginsTitleMonthColumn') . ';' . get_lang('LoginsTitleCountColumn') . "\n";
$line = '';
$total = 0;
if (is_array($results)) {
for ($j = 0; $j < count($results); $j++) {
$line .= $results[$j][0] . ';' . $results[$j][1] . "\n";
$total = $total + $results[$j][1];
}
$line .= get_lang('Total') . ";" . $total . "\n";
} else {
$line = get_lang('NoResult') . "</center></td>";
}
} else {
$new_view = substr_replace($view, '1', 0, 1);
}
return array($title_line, $line);
}
$line = '';
$title_line = get_lang('LinksTitleLinkColumn') . ";" . get_lang('LinksTitleUsersColumn') . ";" . get_lang('LinksTitleCountColumn') . "\n";
if (is_array($results)) {
for ($j = 0; $j < count($results); $j++) {
$line .= $results[$j][1] . "'>" . $results[$j][0] . ";" . $results[$j][2] . ";" . $results[$j][3] . "\n";
}
} else {
$line = get_lang('NoResult') . "\n";
}
}
/* Documents */
$tempView = $view;
if ($view[4] == '1') {
$tempView[4] = '0';
$sql = "SELECT down_doc_path, COUNT(DISTINCT down_user_id), COUNT(down_doc_path)\n FROM {$TABLETRACK_DOWNLOADS}\n WHERE c_id = {$courseId}\n GROUP BY down_doc_path";
$results = getManyResults3Col($sql);
$title[1] = $nameTools;
$line = '';
$title_line = get_lang('DocumentsTitleDocumentColumn') . ";" . get_lang('DocumentsTitleUsersColumn') . ";" . get_lang('DocumentsTitleCountColumn') . "\n";
if (is_array($results)) {
for ($j = 0; $j < count($results); $j++) {
$line .= $results[$j][0] . ";" . $results[$j][1] . ";" . $results[$j][2] . "\n";
}
} else {
$line = get_lang('NoResult') . "\n";
}
}
/* Scorm contents and Learning Path */
$tempView = $view;
if ($view[5] == '1') {
$tempView[5] = '0';
} else {
$offset = 0;
}
echo $navLink;
if (!settype($offset, 'integer') || !settype($step, 'integer')) {
die('Offset or step variables are not integers.');
}
//sanity check of integer vars
if ($is_allowedToTrackEverybodyInCourse) {
// list of users in this course
$sql = "SELECT u.user_id, u.firstname,u.lastname\n FROM {$TABLECOURSUSER} cu , {$TABLEUSER} u\n WHERE cu.user_id = u.user_id AND cu.relation_type<>" . COURSE_RELATION_TYPE_RRHH . "\n AND cu.c_id = '{$courseId}'\n LIMIT {$offset},{$step}";
} else {
// list of users of this group
$sql = "SELECT u.user_id, u.firstname,u.lastname\n FROM {$TABLECOURSE_GROUPSUSER} gu , {$TABLEUSER} u\n WHERE gu.user_id = u.user_id\n AND gu.group_id = '{$_gid}'\n LIMIT {$offset},{$step}";
}
$list_users = getManyResults3Col($sql);
for ($i = 0; $i < sizeof($list_users); $i++) {
// just sum $i up
}
} else {
// if uInfo is set
/*
* Informations about student uInfo
*/
// these checks exists for security reasons, neither a prof nor a tutor can see statistics of a user from
// another course, or group
if ($is_allowedToTrackEverybodyInCourse) {
// check if user is in this course
$tracking_is_accepted = $is_course_member;
$tracked_user_info = api_get_user_info($uInfo);
$title[0] = $tracked_user_info[1] . '_' . $tracked_user_info[2];
