/**
* Save the test.
*
* @return array Test.
*/
function save($commit = true)
{
$this->test['winner'] = $this->cleaned_data['alt'];
$this->test['active'] = false;
$this->test['stop_dtime'] = gmdate('Y-m-d H:i:s');
$db = Pluf_AB::getDb();
$db->tests->update(array('_id' => $this->cleaned_data['test']), $this->test);
return $this->test;
}
/**
* Get stats for a given funnel.
*
* @param $funnel string Funnel
* @param $period string Time period 'yesterday', ('today'), '7days', 'all'
* @param $prop string Property to filter (null)
*/
public static function getStats($funnel, $period = 'today', $prop = null)
{
$db = Pluf_AB::getDb();
$steps = array();
for ($i = 1; $i <= 20; $i++) {
$steps[$i] = array();
}
switch ($period) {
case 'yesterday':
$q = array('t' => (int) gmdate('Ymd', time() - 86400));
break;
case 'today':
$q = array('t' => (int) gmdate('Ymd'));
break;
case '7days':
$q = array('t' => array('$gte' => (int) gmdate('Ymd', time() - 604800)));
break;
case 'all':
default:
$q = array();
break;
}
$q['f'] = $funnel;
if ($prop) {
$q['p.' . $prop] = array('$exists' => true);
}
$uids = array();
// With very big logs, we will need to find by schunks, this
// will be very easy to adapt.
foreach ($db->funnellogs->find($q) as $log) {
if (!isset($uids[$log['u'] . '##' . $log['s']])) {
if ($prop and !isset($log['p'][$prop])) {
continue;
}
$uids[$log['u'] . '##' . $log['s']] = true;
$step = $log['s'];
$steps[$step]['name'] = $log['sn'];
$steps[$step]['id'] = $log['s'];
if ($prop and !isset($steps[$step]['props'])) {
$steps[$step]['props'] = array();
}
$steps[$step]['total'] = isset($steps[$step]['total']) ? $steps[$step]['total'] + 1 : 1;
if ($prop) {
$steps[$step]['props'][$log['p'][$prop]] = isset($steps[$step]['props'][$log['p'][$prop]]) ? $steps[$step]['props'][$log['p'][$prop]] + 1 : 1;
}
}
}
// Now, compile the stats for steps 2 to n
// First, we find the "max" for the reference number of
// visitors along this funnel. This is $t1 and $tprops[prop]
$t1 = 0;
foreach ($steps as $step) {
if (isset($step['total']) and $step['total'] > $t1) {
$t1 = $step['total'];
}
if ($prop and isset($step['props'])) {
foreach ($step['props'] as $v => $t) {
if (!isset($tprops[$v])) {
$tprops[$v] = $t;
continue;
}
if ($tprops[$v] < $t) {
$tprops[$v] = $t;
}
}
}
}
if ($t1 == 0) {
return array();
}
$prev_step = null;
for ($i = 1; $i <= 20; $i++) {
if ($prev_step == null) {
}
if ($steps[$i]) {
$tp = $prev_step['total'];
$tn = $steps[$i]['total'];
if ($tp) {
$steps[$i]['conv'] = sprintf('%01.2f%%', 100.0 - (double) ($tp - $tn) / $tp * 100.0);
} else {
$steps[$i]['conv'] = 'N/A';
}
if ($t1) {
$steps[$i]['conv1'] = sprintf('%01.2f%%', 100.0 - (double) ($t1 - $tn) / $t1 * 100.0);
} else {
$steps[$i]['conv1'] = 'N/A';
}
if ($prop) {
$steps[$i]['sprops'] = array();
$steps[$i]['sprops1'] = array();
foreach ($steps[$i]['props'] as $v => $t) {
if (!isset($tprops[$v])) {
$tprops[$v] = $t;
}
$pv = isset($prev_step['props'][$v]) ? $prev_step['props'][$v] : 0;
$steps[$i]['sprops'][$v] = array($t, $pv);
$steps[$i]['sprops1'][$v] = array($t, $tprops[$v]);
if ($pv) {
$steps[$i]['sprops'][$v][] = round(100 * (double) $t / (double) $pv, 2) . '%';
} else {
$steps[$i]['sprops'][$v][] = 0;
}
$steps[$i]['sprops1'][$v][] = round(100 * (double) $t / (double) $tprops[$v], 2) . '%';
}
}
$steps[$i]['bigtotal'] = $t1;
$prev_step = $steps[$i];
}
}
for ($i = 20; $i >= 1; $i--) {
if (!$steps[$i]) {
unset($steps[$i]);
// We remove the inexisting steps
}
}
return $steps;
}
/**
* A simple view to redirect a user and convert it.
*
* To convert the user for the test 'my_test' and redirect it to
* the URL 'http://www.example.com' add the following view in your
* urls.php:
*
* <pre>
* array('regex' => '#^/goto/example/$#',
* 'base' => $base,
* 'model' => 'Pluf_AB_Views',
* 'method' => 'convRedirect',
* 'name' => 'go_to_example',
* 'params' => array('url' => 'http://www.example.com',
* 'test' => 'my_test')
* );
* </pre>
*
* Try to put a url which reflects the final url after redirection
* to minimize the confusion for the user. In this example, in
* your code or template you use the named url 'go_to_example'.
*
*/
public function convRedirect($request, $match, $p)
{
Pluf_AB::convert($p['test'], $request);
return new Pluf_HTTP_Response_Redirect($p['url']);
}
/**
* Get a MongoDB database handle.
*
* It opens only one connection per request and tries to keep a
* persistent connection between the requests.
*
* The configuration keys used are:
*
* `pluf_ab_mongo_server`: 'mongodb://localhost:27017'
* `pluf_ab_mongo_options`: array('connect' => true,
* 'persist' => 'pluf_ab_mongo')
* `pluf_ab_mongo_db`: 'pluf_ab'
*
* If you have a default installation of MongoDB, it should work
* out of the box.
*
*/
public static function getDb()
{
if (self::$db !== null) {
return self::$db;
}
$server = Pluf::f('pluf_ab_mongo_server', 'mongodb://localhost:27017');
$options = Pluf::f('pluf_ab_mongo_options', array('connect' => true, 'persist' => 'pluf_ab_mongo'));
$conn = new Mongo($server, $options);
self::$db = $conn->selectDB(Pluf::f('pluf_ab_mongo_db', 'pluf_ab'));
return self::$db;
}
