stats.php

<?php

// Set options
c::set('stats.roles.ignore','admin');
c::set('stats.days',14);
c::set('stats.session',true);
c::set('stats.date.format','D M d');
c::set('stats.format','absolute');

// Register extensions
$kirby->set('widget',    'stats', __DIR__ . DS . 'widgets' . DS . 'stats');


// Set $page and $site variables

function getCurrentPage() {
	// Get the full request path
	$path = kirby()->request()->path();

	// Strip language prefix from path
	foreach (c::get('languages', []) as $l) {
		$prefix = substr($l['url'], 1);
		if ($prefix and strpos($path, $prefix) === 0) {
			$path = substr($path, str::length($prefix));
			continue;
		}
	}

	// Add homepage slug to path if it's blank
	if ($path == '') $path = c::get('home', '/');

	// Build page object
	$page = page($path);

	// If page doesn't exist, use error page
	if (!$page) $page = page('error');

	// Return the page object
	return $page;
}
$site = site();
$page = getCurrentPage();
$uri = $page->uri();

/* Check if data should be logged for the current user */

// Roles for which nothing is logged 
$ignore = c::get('stats.roles.ignore', "");
// Number of days to keep per-day totals for. Ensure that this is positive...
$days = c::get('stats.days', 5);
$days = ($days < 0) ? 5 : $days;
// Date format
$date_format = c::get('stats.date.format', 'd.m.y');

// Check whether to ignore the current user
if ($user = $site->user()) {
	// Ignore everybody
	if ($ignore == "_all") {
		return;
	}

	// Multiple rules to be ignored, test each of them
	if (is_array($ignore)) {
		foreach ($ignore as $role) {
			if($user->hasRole($role)) {
				return;
			}
		}
	}

	// Only one rule or empty string if ignoring nobody
	if ($user->hasRole($ignore)) {
		return;
	}
}

/* Session mode */

if (c::get('stats.session', false)) {
	s::start();
	// Get the already visited pages
	$urls = s::get('stats', array());
	// User has visited this page already in this session. Do nothing.
	if (in_array($uri, $urls)) {
		return;
	}
	// User has never been here. Add the url and put back in the session storage
	$urls[] = $uri;
	s::set('stats', $urls);
}

// Get or create the kirbystats page
$stats = page('kirbystats');
if (!$stats) {
	try {
		$stats = $site->pages()->create('kirbystats', 'stats');
	} catch (Exception $e) {
		echo $e->getMessage();
		exit;
	}
}

// Get data
$data = $stats->pages()->yaml();
$dates = $stats->dates()->yaml();
$date = date($date_format);

if ($data == null) $data = array();
if ($dates == null) $dates = array();

// calculate new values
$val = (array_key_exists($uri, $data)) ? (int) $data[$uri]['count'] + 1 : 1;
$today = (array_key_exists($date, $dates)) ? (int) $dates[$date]['count'] + 1 : 1;
$total = (!$stats->total_stats_count()->isEmpty()) ? $stats->total_stats_count()->int() + 1 : 1;

// update arrays
$data[$uri] = array('count' => $val);
$dates[$date] = array('count' => $today);

// keep only the last $days days
$dates = array_slice($dates, $days * -1, $days, true);

try {
	$stats->update(array('pages' => yaml::encode($data), 'dates' => yaml::encode($dates), 'total_stats_count' => $total, ));
} catch (Exception $e) {
	echo $e->getMessage();
	exit;
}