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<?php |
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namespace Jalle19\StatusManager; |
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/** |
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* Represents a time frame, can be used to limit |
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* @package Jalle19\StatusManager |
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* @copyright Copyright © Sam Stenvall 2016- |
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* @license https://www.gnu.org/licenses/gpl.html The GNU General Public License v2.0 |
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*/ |
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class TimeFrame implements \JsonSerializable |
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{ |
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const TIME_FRAME_ALL_TIME = 'allTime'; |
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const TIME_FRAME_LAST_MONTH = 'lastMonth'; |
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const TIME_FRAME_LAST_WEEK = 'lastWeek'; |
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const TIME_FRAME_LAST_DAY = 'lastDay'; |
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/** |
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* @var array |
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*/ |
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private static $_timeFrames = [ |
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self::TIME_FRAME_ALL_TIME, |
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self::TIME_FRAME_LAST_MONTH, |
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self::TIME_FRAME_LAST_WEEK, |
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self::TIME_FRAME_LAST_DAY, |
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]; |
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/** |
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* @var string |
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*/ |
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private $_timeFrame; |
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/** |
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* TimeFrame constructor. |
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* |
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* @param string $timeFrame |
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* |
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* @throws \InvalidArgumentException when an invalid time frame is specified |
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*/ |
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public function __construct($timeFrame) |
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{ |
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if (!in_array($timeFrame, self::$_timeFrames)) |
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throw new \InvalidArgumentException('Invalid time frame specified'); |
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$this->_timeFrame = $timeFrame; |
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} |
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/** |
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* @return string |
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*/ |
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public function getType() |
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{ |
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return $this->_timeFrame; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTimestamp() |
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{ |
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$dateTime = new \DateTime(); |
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switch ($this->_timeFrame) |
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{ |
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case self::TIME_FRAME_LAST_MONTH: |
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$dateTime = $dateTime->modify('-1 month'); |
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break; |
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case self::TIME_FRAME_LAST_WEEK: |
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$dateTime = $dateTime->modify('-1 week'); |
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break; |
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case self::TIME_FRAME_LAST_DAY: |
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$dateTime = $dateTime->modify('-1 day'); |
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break; |
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} |
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return $dateTime->getTimestamp(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->_timeFrame; |
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} |
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} |
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