questlab/www/analytics/core/ArchiveProcessor/Rules.php
2016-04-10 18:55:57 +02:00

280 lines
9.7 KiB
PHP

<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\ArchiveProcessor;
use Exception;
use Piwik\Config;
use Piwik\DataAccess\ArchiveWriter;
use Piwik\Date;
use Piwik\Log;
use Piwik\Option;
use Piwik\Piwik;
use Piwik\Plugins\CoreAdminHome\Controller;
use Piwik\Segment;
use Piwik\SettingsPiwik;
use Piwik\SettingsServer;
use Piwik\Site;
use Piwik\Tracker\Cache;
/**
* This class contains Archiving rules/logic which are used when creating and processing Archives.
*
*/
class Rules
{
const OPTION_TODAY_ARCHIVE_TTL = 'todayArchiveTimeToLive';
const OPTION_BROWSER_TRIGGER_ARCHIVING = 'enableBrowserTriggerArchiving';
const FLAG_TABLE_PURGED = 'lastPurge_';
/** Flag that will forcefully disable the archiving process (used in tests only) */
public static $archivingDisabledByTests = false;
/**
* Returns the name of the archive field used to tell the status of an archive, (ie,
* whether the archive was created successfully or not).
*
* @param array $idSites
* @param Segment $segment
* @param string $periodLabel
* @param string $plugin
* @return string
*/
public static function getDoneStringFlagFor(array $idSites, $segment, $periodLabel, $plugin)
{
if (!self::shouldProcessReportsAllPlugins($idSites, $segment, $periodLabel)) {
return self::getDoneFlagArchiveContainsOnePlugin($segment, $plugin);
}
return self::getDoneFlagArchiveContainsAllPlugins($segment);
}
public static function shouldProcessReportsAllPlugins(array $idSites, Segment $segment, $periodLabel)
{
if ($segment->isEmpty() && $periodLabel != 'range') {
return true;
}
return self::isSegmentPreProcessed($idSites, $segment);
}
/**
* @param $idSites
* @return array
*/
private static function getSegmentsToProcess($idSites)
{
$knownSegmentsToArchiveAllSites = SettingsPiwik::getKnownSegmentsToArchive();
$segmentsToProcess = $knownSegmentsToArchiveAllSites;
foreach ($idSites as $idSite) {
$segmentForThisWebsite = SettingsPiwik::getKnownSegmentsToArchiveForSite($idSite);
$segmentsToProcess = array_merge($segmentsToProcess, $segmentForThisWebsite);
}
$segmentsToProcess = array_unique($segmentsToProcess);
return $segmentsToProcess;
}
public static function getDoneFlagArchiveContainsOnePlugin(Segment $segment, $plugin)
{
return 'done' . $segment->getHash() . '.' . $plugin ;
}
public static function getDoneFlagArchiveContainsAllPlugins(Segment $segment)
{
return 'done' . $segment->getHash();
}
/**
* Return done flags used to tell how the archiving process for a specific archive was completed,
*
* @param array $plugins
* @param $segment
* @return array
*/
public static function getDoneFlags(array $plugins, Segment $segment)
{
$doneFlags = array();
$doneAllPlugins = self::getDoneFlagArchiveContainsAllPlugins($segment);
$doneFlags[$doneAllPlugins] = $doneAllPlugins;
$plugins = array_unique($plugins);
foreach ($plugins as $plugin) {
$doneOnePlugin = self::getDoneFlagArchiveContainsOnePlugin($segment, $plugin);
$doneFlags[$plugin] = $doneOnePlugin;
}
return $doneFlags;
}
public static function getMinTimeProcessedForTemporaryArchive(
Date $dateStart, \Piwik\Period $period, Segment $segment, Site $site)
{
$now = time();
$minimumArchiveTime = $now - Rules::getTodayArchiveTimeToLive();
$idSites = array($site->getId());
$isArchivingDisabled = Rules::isArchivingDisabledFor($idSites, $segment, $period->getLabel());
if ($isArchivingDisabled) {
if ($period->getNumberOfSubperiods() == 0
&& $dateStart->getTimestamp() <= $now
) {
// Today: accept any recent enough archive
$minimumArchiveTime = false;
} else {
// This week, this month, this year:
// accept any archive that was processed today after 00:00:01 this morning
$timezone = $site->getTimezone();
$minimumArchiveTime = Date::factory(Date::factory('now', $timezone)->getDateStartUTC())->setTimezone($timezone)->getTimestamp();
}
}
return $minimumArchiveTime;
}
public static function setTodayArchiveTimeToLive($timeToLiveSeconds)
{
$timeToLiveSeconds = (int)$timeToLiveSeconds;
if ($timeToLiveSeconds <= 0) {
throw new Exception(Piwik::translate('General_ExceptionInvalidArchiveTimeToLive'));
}
Option::set(self::OPTION_TODAY_ARCHIVE_TTL, $timeToLiveSeconds, $autoLoad = true);
}
public static function getTodayArchiveTimeToLive()
{
$uiSettingIsEnabled = Controller::isGeneralSettingsAdminEnabled();
if ($uiSettingIsEnabled) {
$timeToLive = Option::get(self::OPTION_TODAY_ARCHIVE_TTL);
if ($timeToLive !== false) {
return $timeToLive;
}
}
return self::getTodayArchiveTimeToLiveDefault();
}
public static function getTodayArchiveTimeToLiveDefault()
{
return Config::getInstance()->General['time_before_today_archive_considered_outdated'];
}
public static function isArchivingDisabledFor(array $idSites, Segment $segment, $periodLabel)
{
$generalConfig = Config::getInstance()->General;
if ($periodLabel == 'range') {
if (!isset($generalConfig['archiving_range_force_on_browser_request'])
|| $generalConfig['archiving_range_force_on_browser_request'] != false
) {
return false;
} else {
Log::debug("Not forcing archiving for range period.");
}
}
$processOneReportOnly = !self::shouldProcessReportsAllPlugins($idSites, $segment, $periodLabel);
$isArchivingDisabled = !self::isRequestAuthorizedToArchive() || self::$archivingDisabledByTests;
if ($processOneReportOnly
&& $periodLabel != 'range'
) {
// When there is a segment, we disable archiving when browser_archiving_disabled_enforce applies
if (!$segment->isEmpty()
&& $isArchivingDisabled
&& $generalConfig['browser_archiving_disabled_enforce']
&& !SettingsServer::isArchivePhpTriggered() // Only applies when we are not running core:archive command
) {
Log::debug("Archiving is disabled because of config setting browser_archiving_disabled_enforce=1");
return true;
}
// Always allow processing one report
return false;
}
return $isArchivingDisabled;
}
public static function isRequestAuthorizedToArchive()
{
return Rules::isBrowserTriggerEnabled() || SettingsServer::isArchivePhpTriggered();
}
public static function isBrowserTriggerEnabled()
{
$uiSettingIsEnabled = Controller::isGeneralSettingsAdminEnabled();
if ($uiSettingIsEnabled) {
$browserArchivingEnabled = Option::get(self::OPTION_BROWSER_TRIGGER_ARCHIVING);
if ($browserArchivingEnabled !== false) {
return (bool)$browserArchivingEnabled;
}
}
return (bool)Config::getInstance()->General['enable_browser_archiving_triggering'];
}
public static function setBrowserTriggerArchiving($enabled)
{
if (!is_bool($enabled)) {
throw new Exception('Browser trigger archiving must be set to true or false.');
}
Option::set(self::OPTION_BROWSER_TRIGGER_ARCHIVING, (int)$enabled, $autoLoad = true);
Cache::clearCacheGeneral();
}
/**
* Returns true if the archiving process should skip the calculation of unique visitors
* across several sites. The `[General] enable_processing_unique_visitors_multiple_sites`
* INI config option controls the value of this variable.
*
* @return bool
*/
public static function shouldSkipUniqueVisitorsCalculationForMultipleSites()
{
return Config::getInstance()->General['enable_processing_unique_visitors_multiple_sites'] != 1;
}
/**
* @param array $idSites
* @param Segment $segment
* @return bool
*/
protected static function isSegmentPreProcessed(array $idSites, Segment $segment)
{
$segmentsToProcess = self::getSegmentsToProcess($idSites);
if (empty($segmentsToProcess)) {
return false;
}
// If the requested segment is one of the segments to pre-process
// we ensure that any call to the API will trigger archiving of all reports for this segment
$segment = $segment->getString();
// Turns out the getString() above returns the URL decoded segment string
$segmentsToProcessUrlDecoded = array_map('urldecode', $segmentsToProcess);
return in_array($segment, $segmentsToProcess)
|| in_array($segment, $segmentsToProcessUrlDecoded);
}
/**
* Returns done flag values allowed to be selected
*
* @return string
*/
public static function getSelectableDoneFlagValues()
{
$possibleValues = array(ArchiveWriter::DONE_OK, ArchiveWriter::DONE_OK_TEMPORARY);
if (!Rules::isRequestAuthorizedToArchive()) {
//If request is not authorized to archive then fetch also invalidated archives
$possibleValues[] = ArchiveWriter::DONE_INVALIDATED;
}
return $possibleValues;
}
}