557 lines
18 KiB
PHP
557 lines
18 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\Period;
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use Exception;
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use Piwik\Cache;
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use Piwik\Common;
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use Piwik\Container\StaticContainer;
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use Piwik\Date;
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use Piwik\Period;
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/**
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* Arbitrary date range representation.
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*
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* This class represents a period that contains a list of consecutive days as subperiods
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* It is created when the **period** query parameter is set to **range** and is used
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* to calculate the subperiods of multiple period requests (eg, when period=day and
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* date=2007-07-24,2013-11-15).
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*
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* The range period differs from other periods mainly in that since it is arbitrary,
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* range periods are not pre-archived by the cron core:archive command.
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*
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* @api
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*/
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class Range extends Period
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{
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const PERIOD_ID = 5;
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protected $label = 'range';
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protected $today;
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/**
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* @var null|Date
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*/
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protected $defaultEndDate;
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protected $strPeriod;
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protected $strDate;
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protected $timezone;
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/**
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* Constructor.
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*
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* @param string $strPeriod The type of period each subperiod is. Either `'day'`, `'week'`,
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* `'month'` or `'year'`.
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* @param string $strDate The date range, eg, `'2007-07-24,2013-11-15'`.
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* @param string $timezone The timezone to use, eg, `'UTC'`.
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* @param bool|Date $today The date to use as _today_. Defaults to `Date::factory('today', $timzeone)`.
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* @api
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*/
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public function __construct($strPeriod, $strDate, $timezone = 'UTC', $today = false)
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{
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$this->strPeriod = $strPeriod;
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$this->strDate = $strDate;
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$this->timezone = $timezone;
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$this->defaultEndDate = null;
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if ($today === false) {
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$today = Date::factory('now', $this->timezone);
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}
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$this->today = $today;
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$this->translator = StaticContainer::get('Piwik\Translation\Translator');
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}
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public function __sleep()
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{
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return [
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'strPeriod',
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'strDate',
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'timezone',
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'defaultEndDate',
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'today',
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];
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}
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public function __wakeup()
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{
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$this->translator = StaticContainer::get('Piwik\Translation\Translator');
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}
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private function getCache()
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{
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return Cache::getTransientCache();
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}
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private function getCacheId()
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{
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$end = '';
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if ($this->defaultEndDate) {
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$end = $this->defaultEndDate->getTimestamp();
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}
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$today = $this->today->getTimestamp();
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return 'range' . $this->strPeriod . $this->strDate . $this->timezone . $end . $today;
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}
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private function loadAllFromCache()
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{
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$range = $this->getCache()->fetch($this->getCacheId());
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if (!empty($range)) {
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foreach ($range as $key => $val) {
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$this->$key = $val;
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}
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}
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}
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private function cacheAll()
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{
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$props = get_object_vars($this);
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$this->getCache()->save($this->getCacheId(), $props);
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}
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/**
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* Returns the current period as a localized short string.
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*
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* @return string
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*/
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public function getLocalizedShortString()
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{
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return $this->getTranslatedRange($this->getRangeFormat(true));
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}
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/**
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* Returns the current period as a localized long string.
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*
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* @return string
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*/
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public function getLocalizedLongString()
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{
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return $this->getTranslatedRange($this->getRangeFormat());
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}
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/**
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* Returns the start date of the period.
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*
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* @return Date
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* @throws Exception
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*/
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public function getDateStart()
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{
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$dateStart = parent::getDateStart();
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if (empty($dateStart)) {
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throw new Exception("Specified date range is invalid.");
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}
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return $dateStart;
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}
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/**
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* Returns the current period as a string.
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*
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* @return string
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*/
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public function getPrettyString()
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{
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$out = $this->translator->translate('General_DateRangeFromTo', array($this->getDateStart()->toString(), $this->getDateEnd()->toString()));
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return $out;
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}
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protected function getMaxN($lastN)
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{
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switch ($this->strPeriod) {
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case 'day':
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$lastN = min($lastN, 5 * 365);
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break;
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case 'week':
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$lastN = min($lastN, 10 * 52);
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break;
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case 'month':
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$lastN = min($lastN, 10 * 12);
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break;
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case 'year':
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$lastN = min($lastN, 10);
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break;
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}
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return $lastN;
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}
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/**
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* Sets the default end date of the period.
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*
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* @param Date $oDate
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*/
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public function setDefaultEndDate(Date $oDate)
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{
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$this->defaultEndDate = $oDate;
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}
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/**
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* Generates the subperiods
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*
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* @throws Exception
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*/
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protected function generate()
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{
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if ($this->subperiodsProcessed) {
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return;
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}
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$this->loadAllFromCache();
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if ($this->subperiodsProcessed) {
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return;
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}
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parent::generate();
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if (preg_match('/(last|previous)([0-9]*)/', $this->strDate, $regs)) {
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$lastN = $regs[2];
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$lastOrPrevious = $regs[1];
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if (!is_null($this->defaultEndDate)) {
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$defaultEndDate = $this->defaultEndDate;
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} else {
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$defaultEndDate = $this->today;
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}
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$period = $this->strPeriod;
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if ($period == 'range') {
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$period = 'day';
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}
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if ($lastOrPrevious == 'last') {
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$endDate = $defaultEndDate;
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} elseif ($lastOrPrevious == 'previous') {
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if ('month' == $period) {
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$endDate = $defaultEndDate->subMonth(1);
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} else {
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$endDate = $defaultEndDate->subPeriod(1, $period);
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}
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}
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$lastN = $this->getMaxN($lastN);
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// last1 means only one result ; last2 means 2 results so we remove only 1 to the days/weeks/etc
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$lastN--;
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if ($lastN < 0) {
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$lastN = 0;
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}
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$startDate = $endDate->addPeriod(-1 * $lastN, $period);
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} elseif ($dateRange = Range::parseDateRange($this->strDate)) {
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$strDateStart = $dateRange[1];
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$strDateEnd = $dateRange[2];
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$startDate = Date::factory($strDateStart);
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// we set the timezone in the Date object only if the date is relative eg. 'today', 'yesterday', 'now'
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$timezone = null;
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if (strpos($strDateEnd, '-') === false) {
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$timezone = $this->timezone;
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}
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$endDate = Date::factory($strDateEnd, $timezone);
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} else {
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throw new Exception($this->translator->translate('General_ExceptionInvalidDateRange', array($this->strDate, ' \'lastN\', \'previousN\', \'YYYY-MM-DD,YYYY-MM-DD\'')));
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}
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if ($this->strPeriod != 'range') {
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$this->fillArraySubPeriods($startDate, $endDate, $this->strPeriod);
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$this->cacheAll();
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return;
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}
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$this->processOptimalSubperiods($startDate, $endDate);
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// When period=range, we want End Date to be the actual specified end date,
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// rather than the end of the month / week / whatever is used for processing this range
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$this->endDate = $endDate;
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$this->cacheAll();
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}
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/**
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* Given a date string, returns `false` if not a date range,
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* or returns the array containing start and end dates.
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*
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* @param string $dateString
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* @return mixed array(1 => dateStartString, 2 => dateEndString) or `false` if the input was not a date range.
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*/
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public static function parseDateRange($dateString)
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{
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$matched = preg_match('/^([0-9]{4}-[0-9]{1,2}-[0-9]{1,2}),(([0-9]{4}-[0-9]{1,2}-[0-9]{1,2})|today|now|yesterday)$/D', trim($dateString), $regs);
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if (empty($matched)) {
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return false;
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}
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return $regs;
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}
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protected $endDate = null;
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/**
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* Returns the end date of the period.
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*
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* @return null|Date
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*/
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public function getDateEnd()
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{
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if (!is_null($this->endDate)) {
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return $this->endDate;
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}
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return parent::getDateEnd();
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}
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/**
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* Determine which kind of period is best to use.
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* See Range.test.php
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*
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* @param Date $startDate
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* @param Date $endDate
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*/
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protected function processOptimalSubperiods($startDate, $endDate)
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{
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while ($startDate->isEarlier($endDate)
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|| $startDate == $endDate) {
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$endOfPeriod = null;
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$month = new Month($startDate);
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$endOfMonth = $month->getDateEnd();
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$startOfMonth = $month->getDateStart();
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$year = new Year($startDate);
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$endOfYear = $year->getDateEnd();
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$startOfYear = $year->getDateStart();
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if ($startDate == $startOfYear
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&& ($endOfYear->isEarlier($endDate)
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|| $endOfYear == $endDate
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|| $endOfYear->isLater($this->today)
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)
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// We don't use the year if
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// the end day is in this year, is before today, and year not finished
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&& !($endDate->isEarlier($this->today)
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&& $this->today->toString('Y') == $endOfYear->toString('Y')
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&& $this->today->compareYear($endOfYear) == 0)
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) {
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$this->addSubperiod($year);
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$endOfPeriod = $endOfYear;
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} elseif ($startDate == $startOfMonth
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&& ($endOfMonth->isEarlier($endDate)
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|| $endOfMonth == $endDate
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|| $endOfMonth->isLater($this->today)
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)
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// We don't use the month if
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// the end day is in this month, is before today, and month not finished
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&& !($endDate->isEarlier($this->today)
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&& $this->today->toString('Y') == $endOfMonth->toString('Y')
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&& $this->today->compareMonth($endOfMonth) == 0)
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) {
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$this->addSubperiod($month);
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$endOfPeriod = $endOfMonth;
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} else {
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// From start date,
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// Process end of week
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$week = new Week($startDate);
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$startOfWeek = $week->getDateStart();
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$endOfWeek = $week->getDateEnd();
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$firstDayNextMonth = $startDate->addPeriod(2, 'month')->setDay(1);
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$useMonthsNextIteration = $firstDayNextMonth->isEarlier($endDate);
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if ($useMonthsNextIteration
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&& $endOfWeek->isLater($endOfMonth)
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) {
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$this->fillArraySubPeriods($startDate, $endOfMonth, 'day');
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$endOfPeriod = $endOfMonth;
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} // If end of this week is later than end date, we use days
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elseif ($this->isEndOfWeekLaterThanEndDate($endDate, $endOfWeek) &&
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($endOfWeek->isEarlier($this->today)
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|| $startOfWeek->toString() != $startDate->toString()
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|| $endDate->isEarlier($this->today))
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) {
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$this->fillArraySubPeriods($startDate, $endDate, 'day');
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break 1;
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} elseif ($startOfWeek->isEarlier($startDate)
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&& $endOfWeek->isEarlier($this->today)
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) {
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$this->fillArraySubPeriods($startDate, $endOfWeek, 'day');
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$endOfPeriod = $endOfWeek;
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} else {
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$this->addSubperiod($week);
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$endOfPeriod = $endOfWeek;
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}
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}
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$startDate = $endOfPeriod->addDay(1);
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}
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}
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/**
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* Adds new subperiods
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*
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* @param Date $startDate
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* @param Date $endDate
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* @param string $period
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*/
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protected function fillArraySubPeriods($startDate, $endDate, $period)
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{
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$arrayPeriods = array();
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$endSubperiod = Period\Factory::build($period, $endDate);
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$arrayPeriods[] = $endSubperiod;
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// set end date to start of end period since we're comparing against start date.
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$endDate = $endSubperiod->getDateStart();
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while ($endDate->isLater($startDate)) {
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$endDate = $endDate->addPeriod(-1, $period);
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$subPeriod = Period\Factory::build($period, $endDate);
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$arrayPeriods[] = $subPeriod;
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}
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$arrayPeriods = array_reverse($arrayPeriods);
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foreach ($arrayPeriods as $period) {
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$this->addSubperiod($period);
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}
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}
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/**
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* Returns the date that is one period before the supplied date.
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*
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* @param bool|string $date The date to get the last date of.
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* @param bool|string $period The period to use (either 'day', 'week', 'month', 'year');
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*
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* @return array An array with two elements, a string for the date before $date and
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* a Period instance for the period before $date.
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* @api
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*/
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public static function getLastDate($date = false, $period = false)
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{
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return self::getDateXPeriodsAgo(1, $date, $period);
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}
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/**
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* Returns the date that is X periods before the supplied date.
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*
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* @param bool|string $date The date to get the last date of.
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* @param bool|string $period The period to use (either 'day', 'week', 'month', 'year');
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* @param int $subXPeriods How many periods in the past the date should be, for instance 1 or 7.
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* If sub period is 365 days and the current year is a leap year we assume you want to get the
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* day one year ago and change the value to 366 days therefore.
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*
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* @return array An array with two elements, a string for the date before $date and
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* a Period instance for the period before $date.
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* @api
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*/
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public static function getDateXPeriodsAgo($subXPeriods, $date = false, $period = false)
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{
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if ($date === false) {
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$date = Common::getRequestVar('date');
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}
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if ($period === false) {
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$period = Common::getRequestVar('period');
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}
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if (365 == $subXPeriods && 'day' == $period && Date::today()->isLeapYear()) {
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$subXPeriods = 366;
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}
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// can't get the last date for range periods & dates that use lastN/previousN
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$strLastDate = false;
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$lastPeriod = false;
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if ($period != 'range' && !preg_match('/(last|previous)([0-9]*)/', $date, $regs)) {
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if (strpos($date, ',')) {
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// date in the form of 2011-01-01,2011-02-02
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$rangePeriod = new Range($period, $date);
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$lastStartDate = $rangePeriod->getDateStart()->subPeriod($subXPeriods, $period);
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$lastEndDate = $rangePeriod->getDateEnd()->subPeriod($subXPeriods, $period);
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$strLastDate = "$lastStartDate,$lastEndDate";
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} else {
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$lastPeriod = Date::factory($date)->subPeriod($subXPeriods, $period);
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$strLastDate = $lastPeriod->toString();
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}
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}
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return array($strLastDate, $lastPeriod);
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}
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/**
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* Returns a date range string given a period type, end date and number of periods
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* the range spans over.
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*
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* @param string $period The sub period type, `'day'`, `'week'`, `'month'` and `'year'`.
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* @param int $lastN The number of periods of type `$period` that the result range should
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* span.
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* @param string $endDate The desired end date of the range.
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* @param \Piwik\Site $site The site whose timezone should be used.
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* @return string The date range string, eg, `'2012-01-02,2013-01-02'`.
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* @api
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*/
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public static function getRelativeToEndDate($period, $lastN, $endDate, $site)
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{
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$timezone = $site->getTimezone();
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$last30Relative = new Range($period, $lastN, $timezone);
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if (strpos($endDate, '-') === false) {
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// eg today, yesterday, ... needs the timezone
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$endDate = Date::factoryInTimezone($endDate, $timezone);
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} else {
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$endDate = Date::factory($endDate);
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}
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$last30Relative->setDefaultEndDate($endDate);
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$date = $last30Relative->getDateStart()->toString() . "," . $last30Relative->getDateEnd()->toString();
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return $date;
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}
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private function isEndOfWeekLaterThanEndDate($endDate, $endOfWeek)
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{
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$isEndOfWeekLaterThanEndDate = $endOfWeek->isLater($endDate);
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$isEndDateAlsoEndOfWeek = ($endOfWeek->toString() == $endDate->toString());
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$isEndOfWeekLaterThanEndDate = ($isEndOfWeekLaterThanEndDate
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|| ($isEndDateAlsoEndOfWeek
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&& $endDate->isLater($this->today)));
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return $isEndOfWeekLaterThanEndDate;
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}
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/**
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* Returns the date range string comprising two dates
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*
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* @return string eg, `'2012-01-01,2012-01-31'`.
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*/
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public function getRangeString()
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{
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$dateStart = $this->getDateStart();
|
|
$dateEnd = $this->getDateEnd();
|
|
|
|
return $dateStart->toString("Y-m-d") . "," . $dateEnd->toString("Y-m-d");
|
|
}
|
|
|
|
public function getImmediateChildPeriodLabel()
|
|
{
|
|
$subperiods = $this->getSubperiods();
|
|
return reset($subperiods)->getImmediateChildPeriodLabel();
|
|
}
|
|
|
|
public function getParentPeriodLabel()
|
|
{
|
|
return null;
|
|
}
|
|
}
|