function MAX_trackerCheckForValidAction($trackerid)
{
$aTrackerLinkedAds = MAX_cacheGetTrackerLinkedCreatives($trackerid);
if (empty($aTrackerLinkedAds)) {
return false;
}
$aPossibleActions = _getActionTypes();
$now = MAX_commonGetTimeNow();
$aConf = $GLOBALS['_MAX']['CONF'];
$aMatchingActions = array();
foreach ($aTrackerLinkedAds as $creativeId => $aLinkedInfo) {
foreach ($aPossibleActions as $actionId => $action) {
if (!empty($aLinkedInfo[$action . '_window']) && !empty($_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId])) {
if (stristr($_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId], ' ')) {
list($value, $extra) = explode(' ', $_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId], 2);
$_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId] = $value;
} else {
$extra = '';
}
list($lastAction, $zoneId) = explode('-', $_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId]);
$lastAction = MAX_commonUnCompressInt($lastAction);
$lastSeenSecondsAgo = $now - $lastAction;
if ($lastSeenSecondsAgo <= $aLinkedInfo[$action . '_window'] && $lastSeenSecondsAgo > 0) {
$aMatchingActions[$lastSeenSecondsAgo] = array('action_type' => $actionId, 'tracker_type' => $aLinkedInfo['tracker_type'], 'status' => $aLinkedInfo['status'], 'cid' => $creativeId, 'zid' => $zoneId, 'dt' => $lastAction, 'window' => $aLinkedInfo[$action . '_window'], 'extra' => $extra);
}
}
}
}
if (empty($aMatchingActions)) {
return false;
}
ksort($aMatchingActions);
return array_shift($aMatchingActions);
}
/**
* This function checks if the specified tracker connects back to a valid action
*
* @param integer $trackerid The ID of the tracker to look up in the database
* @return mixed If action occurred: array indexed on [#s since action] => array('type' => <connection type>, 'id' => <creative ID>
* else false
*/
function MAX_trackerCheckForValidAction($trackerid)
{
// Get all creatives that are linked to this tracker
$aTrackerLinkedAds = MAX_cacheGetTrackerLinkedCreatives($trackerid);
// This tracker is not linked to any creatives
if (empty($aTrackerLinkedAds)) {
return false;
}
// Note: Constants are not included n the delivery engine, the values below map to the values defined in constants.php
$aPossibleActions = _getActionTypes();
$now = MAX_commonGetTimeNow();
$aConf = $GLOBALS['_MAX']['CONF'];
$aMatchingActions = array();
// Iterate over all creatives linked to this tracker...
foreach ($aTrackerLinkedAds as $creativeId => $aLinkedInfo) {
// Iterate over all possible actions (currently only "view" and "click")
foreach ($aPossibleActions as $actionId => $action) {
// If there is both a connection window set, and this creative has been actioned
if (!empty($aLinkedInfo[$action . '_window']) && !empty($_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId])) {
// Check for any custom data which a plugin may have stored in the cookie
if (stristr($_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId], ' ')) {
list($value, $extra) = explode(' ', $_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId], 2);
$_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId] = $value;
} else {
$extra = '';
}
list($lastAction, $zoneId) = explode('-', $_COOKIE[$aConf['var']['last' . ucfirst($action)]][$creativeId]);
// Decode the base32 timestamp
$lastAction = MAX_commonUnCompressInt($lastAction);
// Calculate how long ago this action occurred
$lastSeenSecondsAgo = $now - $lastAction;
// If the action occurred within the window (and sanity check that it's > 0), record this as a matching action
if ($lastSeenSecondsAgo <= $aLinkedInfo[$action . '_window'] && $lastSeenSecondsAgo > 0) {
// Index the matching array against the # seconds ago that the action occurred
$aMatchingActions[$lastSeenSecondsAgo] = array('action_type' => $actionId, 'tracker_type' => $aLinkedInfo['tracker_type'], 'status' => $aLinkedInfo['status'], 'cid' => $creativeId, 'zid' => $zoneId, 'dt' => $lastAction, 'window' => $aLinkedInfo[$action . '_window'], 'extra' => $extra);
}
}
}
}
// If no actions matched, return false
if (empty($aMatchingActions)) {
return false;
}
// Sort by ascending #seconds since action
ksort($aMatchingActions);
// Return the first matching action
return array_shift($aMatchingActions);
}
