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<?php
/*
* Tiny Compress Images - WordPress plugin.
* Copyright (C) 2015-2018 Tinify B.V.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

class Tiny_Image_Size {
	public $filename;
	public $meta = array();

/* Used more than once and not trivial, so we are memoizing these */
	private $_exists;
	private $_file_size;
	private $_duplicate = false;
	private $_duplicate_of_size = '';

public function __construct( $filename = null ) {
		$this->filename = $filename;
	}

public function end_time() {
		if ( isset( $this->meta['end'] ) ) {
			return $this->meta['end'];
		} elseif ( isset( $this->meta['timestamp'] ) ) {
			return $this->meta['timestamp'];
		} else {
			return null;
		}
	}

public function add_tiny_meta_start() {
		$this->meta = array(
			'start' => time(),
		);
	}

public function add_tiny_meta( $response ) {
		if ( isset( $this->meta['start'] ) ) {
			$this->meta = $response;
			$this->meta['end'] = time();
		}
	}

public function add_tiny_meta_error( $exception ) {
		if ( isset( $this->meta['start'] ) ) {
			$this->meta = array(
				'error'   => $exception->get_type(),
				'message' => $exception->get_message(),
				'timestamp' => time(),
			);
		}
	}

public function has_been_compressed() {
		return isset( $this->meta['output'] );
	}

public function never_compressed() {
		return ! $this->has_been_compressed();
	}

public function filesize() {
		if ( is_null( $this->_file_size ) ) {
			if ( $this->exists() ) {
				$this->_file_size = filesize( $this->filename );
			} else {
				$this->_file_size = 0;
			}
		}
		return $this->_file_size;
	}

public function exists() {
		if ( is_null( $this->_exists ) ) {
			$this->_exists = $this->filename && file_exists( $this->filename );
		}
		return $this->_exists;
	}

private function same_size() {
		return ( $this->filesize() == $this->meta['output']['size'] );
	}

public function still_exists() {
		return $this->has_been_compressed() && $this->exists();
	}

public function missing() {
		return $this->has_been_compressed() && ! $this->exists();
	}

public function compressed() {
		return $this->still_exists() && $this->same_size();
	}

public function modified() {
		return $this->still_exists() && ! $this->same_size();
	}

public function uncompressed() {
		return $this->exists() &&
			! $this->is_duplicate() &&
			! ( isset( $this->meta['output'] ) && $this->same_size() );
	}

public function in_progress() {
		return $this->recently_started() && ! isset( $this->meta['output'] );
	}

public function resized() {
		return (
			isset( $this->meta['output'] ) &&
			isset( $this->meta['output']['resized'] ) &&
			$this->meta['output']['resized']
		);
	}

public function mark_duplicate( $duplicate_size_name ) {
		$this->_duplicate = true;
		$this->_duplicate_of_size = $duplicate_size_name;
	}

public function is_duplicate() {
		return $this->_duplicate;
	}

public function duplicate_of_size() {
		return $this->_duplicate_of_size;
	}

private function recently_started() {
		$thirty_minutes_ago = date( 'U' ) - ( 60 * 30 );
		return (
			isset( $this->meta['start'] ) &&
			$this->meta['start'] > $thirty_minutes_ago
		);
	}
}

[+] ..
[-] class-tiny-compress-client.php [edit]
[-] class-tiny-image.php [edit]
[-] class-tiny-compress.php [edit]
[-] class-tiny-exception.php [edit]
[+] js
[-] class-tiny-wp-base.php [edit]
[-] class-tiny-compress-fopen.php [edit]
[-] class-tiny-bulk-optimization.php [edit]
[+] config
[+] images
[-] class-tiny-image-size.php [edit]
[+] views
[-] class-tiny-php.php [edit]
[-] class-tiny-plugin.php [edit]
[-] class-tiny-settings.php [edit]
[+] data
[+] compatibility
[-] class-tiny-notices.php [edit]
[+] css
[+] vendor