public function __construct(array $track)
{
$x = $track['x'];
$y = $track['y'];
$c = $track['c'];
// Ensure real arrays
if (!is_array($x)) {
$x = explode(",", $x);
}
if (!is_array($y)) {
$y = explode(",", $y);
}
if (!is_array($c)) {
$c = explode(",", $c);
}
$f = (int) $track['f'];
$n = count($x);
$distCoords = convert_points($x, $y, true);
// Distance study
$dc_x = array();
$dc_y = array();
foreach ($x as $j => $val) {
if ($j >= $n - 1) {
break;
}
$dx = abs($x[$j] - $x[$j + 1]);
$dy = abs($y[$j] - $y[$j + 1]);
$dc_x[] = $dx;
$dc_y[] = $dy;
$dc_t[] = $dx * $dx + $dy * $dy;
}
// Kinematics study
$stop = 0;
foreach ($distCoords as $dist) {
if ($dist > 0) {
continue;
}
++$stop;
}
$clean_x = array_unique($x);
$clean_y = array_unique($y);
// Horizontal components
$entry_x = $x[0];
$exit_x = $x[$n - 1];
$min_x = min($clean_x);
$max_x = max($clean_x);
$range_x = $max_x - $min_x;
$scroll_x = 100 * round($range_x / $track['w'], 4);
$centroid_x = array_avg($clean_x);
$len_x = array_sum($dc_x);
$dist_x = array_avg($dc_x);
// Vertical components
$entry_y = $y[0];
$exit_y = $y[$n - 1];
$min_y = min($clean_y);
$max_y = max($clean_y);
$range_y = $max_y - $min_y;
$scroll_y = 100 * round($range_y / $track['h'], 4);
$centroid_y = array_avg($clean_y);
$len_y = array_sum($dc_y);
$dist_y = array_avg($dc_y);
// Total components
$dist_t = array_avg($dc_t);
$len_t = array_sum($dc_t);
// save features
$this->time = round($n / $f, 2);
$this->numClicks = count_clicks($c);
$this->activity = 100 * (1 - round($stop / count($distCoords), 4));
$this->entry = array('x' => $entry_x, 'y' => $entry_y);
$this->exit = array('x' => $exit_x, 'y' => $exit_y);
$this->range = array('x' => $range_x, 'y' => $range_y);
$this->scrollReach = array('x' => $scroll_x, 'y' => $scroll_y);
$this->centroid = array('x' => $centroid_x, 'y' => $centroid_y);
$this->trackLen = array('x' => $len_x, 'y' => $len_y, 't' => $len_t);
$this->distance = array('x' => $dist_x, 'y' => $dist_y, 't' => $dist_t);
}
// display a start on first time visitors
$ftu = $r['ftu'] ? ' class="ftu"' : null;
$abbrDate = date('Y/m/d', strtotime($r['sess_date']));
// use pretty date?
$displayDate = $usePrettyDate ? '<abbr title="' . prettyDate::getStringResolved($r['sess_date']) . '">' . $abbrDate . '</abbr>' : $abbrDate;
$browsingTime = $r['sess_time'];
//$locationId = mask_client(md5($r['ip']));
$lang = $browser->getLanguage();
if ($lang != $browser::LANGUAGE_UNKNOWN) {
$locationId = '<img src="styles/blank.gif" class="flag flag-' . $lang . '" alt="' . $lang . '" title="' . $lang . '" />';
} else {
$locationId = "?";
}
$displayId = 'id=' . $r['id'];
$pageId = $r['cache_id'];
$clientId = mask_client($r['client_id']);
$interactionTime = round(count(explode(",", $r['coords_x'])) / $r['fps'], 2);
$numClicks = count_clicks($r['clicks']);
$notes = db_select(TBL_PREFIX . TBL_HYPERNOTES, "count(*) as num", "record_id='" . $r['id'] . "'");
$numNotes = $notes['num'] > 0 ? '<a href="./hypernotes/list.php?id=' . $r['id'] . '">' . $notes['num'] . '</a>' : $notes['num'];
}
$cache = db_select(TBL_PREFIX . TBL_CACHE, "url", "id='" . $pageId . "'");
$domain = url_get_domain($cache['url']);
$replayUrl = TRACKING_SERVER . "admin/ext/logs/track.php?" . $displayId;
$deleteUrl = TRACKING_SERVER . "admin/ext/logs/delete.php?" . $displayId;
$item = ["ftu" => $ftu, "clientId" => $clientId, "locationId" => $locationId, "pageId" => $pageId, "domain" => $domain, "domain_id" => $r['domain_id'], "cache" => $cache, "recordData" => $r, "displayDate" => $displayDate, "interactionTime" => $interactionTime, "numClicks" => $numClicks, "numNotes" => $numNotes, "replayUrl" => $replayUrl, "deleteUrl" => $deleteUrl];
$items[] = $item;
}
}
header('Content-Type: application/json');
echo json_encode(array('rows' => $items));
