mirror of
https://github.com/Icinga/icingaweb2.git
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291 lines
10 KiB
PHP
291 lines
10 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Module\Monitoring\Controllers;
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use DateInterval;
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use DateTime;
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use Icinga\Module\Monitoring\Controller;
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use Icinga\Module\Monitoring\Timeline\TimeLine;
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use Icinga\Module\Monitoring\Timeline\TimeRange;
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use Icinga\Module\Monitoring\Web\Widget\SelectBox;
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use Icinga\Util\Format;
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use Icinga\Web\Url;
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use Icinga\Web\Widget\Tabextension\DashboardAction;
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class TimelineController extends Controller
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{
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public function indexAction()
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{
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$this->getTabs()->add(
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'timeline',
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array(
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'title' => $this->translate('Show the number of historical event records grouped by time and type'),
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'label' => $this->translate('Timeline'),
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'url' => Url::fromRequest()
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)
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)->extend(new DashboardAction())->activate('timeline');
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$this->view->title = $this->translate('Timeline');
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// TODO: filter for hard_states (precedence adjustments necessary!)
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$this->setupIntervalBox();
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list($displayRange, $forecastRange) = $this->buildTimeRanges();
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$detailUrl = Url::fromPath('monitoring/list/eventhistory');
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$timeline = new TimeLine(
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$this->applyRestriction(
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'monitoring/filter/objects',
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$this->backend->select()->from('eventhistory',
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array(
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'name' => 'type',
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'time' => 'timestamp'
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)
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)
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),
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array(
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'notify' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Notifications'),
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'color' => '#3a71ea'
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),
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'hard_state' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Hard state changes'),
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'color' => '#ff7000'
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),
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'comment' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Comments'),
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'color' => '#79bdba'
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),
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'ack' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Acknowledgements'),
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'color' => '#a2721d'
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),
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'dt_start' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Started downtimes'),
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'color' => '#8e8e8e'
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),
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'dt_end' => array(
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'detailUrl' => $detailUrl,
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'label' => mt('monitoring', 'Ended downtimes'),
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'color' => '#d5d6ad'
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)
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)
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);
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$timeline->setMaximumCircleWidth('6em');
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$timeline->setMinimumCircleWidth('0.3em');
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$timeline->setDisplayRange($displayRange);
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$timeline->setForecastRange($forecastRange);
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$beingExtended = $this->getRequest()->getParam('extend') == 1;
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$timeline->setSession($this->Window()->getSessionNamespace('timeline', !$beingExtended));
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$this->view->timeline = $timeline;
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$this->view->nextRange = $forecastRange;
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$this->view->beingExtended = $beingExtended;
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$this->view->intervalFormat = $this->getIntervalFormat();
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$oldBase = $timeline->getCalculationBase(false);
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$this->view->switchedContext = $oldBase !== null && $oldBase !== $timeline->getCalculationBase(true);
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}
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/**
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* Create a select box the user can choose the timeline interval from
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*/
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private function setupIntervalBox()
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{
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$box = new SelectBox(
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'intervalBox',
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array(
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'4h' => mt('monitoring', '4 Hours'),
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'1d' => mt('monitoring', 'One day'),
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'1w' => mt('monitoring', 'One week'),
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'1m' => mt('monitoring', 'One month'),
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'1y' => mt('monitoring', 'One year')
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),
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mt('monitoring', 'TimeLine interval'),
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'interval'
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);
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$box->applyRequest($this->getRequest());
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$this->view->intervalBox = $box;
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}
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/**
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* Return the chosen interval
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*
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* @return DateInterval The chosen interval
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*/
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private function getTimelineInterval()
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{
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switch ($this->view->intervalBox->getInterval())
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{
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case '1d':
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return new DateInterval('P1D');
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case '1w':
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return new DateInterval('P1W');
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case '1m':
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return new DateInterval('P1M');
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case '1y':
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return new DateInterval('P1Y');
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default:
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return new DateInterval('PT4H');
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}
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}
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/**
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* Get an appropriate datetime format string for the chosen interval
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*
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* @return string
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*/
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private function getIntervalFormat()
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{
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switch ($this->view->intervalBox->getInterval())
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{
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case '1d':
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return $this->getDateFormat();
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case '1w':
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return '\W\e\ek W\<b\r\>\of Y';
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case '1m':
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return 'F Y';
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case '1y':
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return 'Y';
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default:
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return $this->getDateFormat() . '\<b\r\>' . $this->getTimeFormat();
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}
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}
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/**
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* Return a preload interval based on the chosen timeline interval and the given date and time
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*
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* @param DateTime $dateTime The date and time to use
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*
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* @return DateInterval The interval to pre-load
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*/
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private function getPreloadInterval(DateTime $dateTime)
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{
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switch ($this->view->intervalBox->getInterval())
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{
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case '1d':
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return DateInterval::createFromDateString('1 week -1 second');
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case '1w':
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return DateInterval::createFromDateString('8 weeks -1 second');
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case '1m':
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$dateCopy = clone $dateTime;
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for ($i = 0; $i < 6; $i++) {
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$dateCopy->sub(new DateInterval('PT' . Format::secondsByMonth($dateCopy) . 'S'));
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}
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return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
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case '1y':
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$dateCopy = clone $dateTime;
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for ($i = 0; $i < 4; $i++) {
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$dateCopy->sub(new DateInterval('PT' . Format::secondsByYear($dateCopy) . 'S'));
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}
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return $dateCopy->add(new DateInterval('PT1S'))->diff($dateTime);
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default:
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return DateInterval::createFromDateString('1 day -1 second');
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}
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}
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/**
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* Extrapolate the given datetime based on the chosen timeline interval
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*
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* @param DateTime $dateTime The datetime to extrapolate
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*/
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private function extrapolateDateTime(DateTime &$dateTime)
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{
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switch ($this->view->intervalBox->getInterval())
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{
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case '1d':
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$dateTime->setTimestamp(strtotime('tomorrow', $dateTime->getTimestamp()) - 1);
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break;
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case '1w':
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$dateTime->setTimestamp(strtotime('next monday', $dateTime->getTimestamp()) - 1);
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break;
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case '1m':
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$dateTime->setTimestamp(
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strtotime(
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'last day of this month',
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strtotime(
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'tomorrow',
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$dateTime->getTimestamp()
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) - 1
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)
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);
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break;
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case '1y':
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$dateTime->setTimestamp(strtotime('1 january next year', $dateTime->getTimestamp()) - 1);
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break;
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default:
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$hour = $dateTime->format('G');
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$end = $hour < 4 ? 4 : ($hour < 8 ? 8 : ($hour < 12 ? 12 : ($hour < 16 ? 16 : ($hour < 20 ? 20 : 24))));
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$dateTime = DateTime::createFromFormat(
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'd/m/y G:i:s',
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$dateTime->format('d/m/y') . ($end - 1) . ':59:59'
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);
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}
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}
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/**
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* Return a display- and forecast time range
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*
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* Assembles a time range each for display and forecast purposes based on the start- and
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* end time if given in the current request otherwise based on the current time and a
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* end time that is calculated based on the chosen timeline interval.
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*
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* @return array The resulting time ranges
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*/
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private function buildTimeRanges()
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{
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$startTime = new DateTime();
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$startParam = $this->_request->getParam('start');
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$startTimestamp = is_numeric($startParam) ? intval($startParam) : strtotime($startParam);
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if ($startTimestamp !== false) {
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$startTime->setTimestamp($startTimestamp);
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} else {
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$this->extrapolateDateTime($startTime);
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}
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$endTime = clone $startTime;
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$endParam = $this->_request->getParam('end');
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$endTimestamp = is_numeric($endParam) ? intval($endParam) : strtotime($endParam);
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if ($endTimestamp !== false) {
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$endTime->setTimestamp($endTimestamp);
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} else {
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$endTime->sub($this->getPreloadInterval($startTime));
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}
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$forecastStart = clone $endTime;
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$forecastStart->sub(new DateInterval('PT1S'));
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$forecastEnd = clone $forecastStart;
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$forecastEnd->sub($this->getPreloadInterval($forecastStart));
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$timelineInterval = $this->getTimelineInterval();
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return array(
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new TimeRange($startTime, $endTime, $timelineInterval),
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new TimeRange($forecastStart, $forecastEnd, $timelineInterval)
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);
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}
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/**
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* Get the user's preferred time format or the application's default
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*
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* @return string
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*/
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private function getTimeFormat()
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{
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return 'H:i';
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}
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/**
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* Get the user's preferred date format or the application's default
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*
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* @return string
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*/
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private function getDateFormat()
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{
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return 'Y-m-d';
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}
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}
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