<?php

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/**

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* Adds the Bulk Page and Smush Column to NextGen Gallery

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*

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* @package Smush\Core\Integrations\NextGen

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* @version 1.0

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*

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* @author Umesh Kumar <umesh@incsub.com>

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*

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* @copyright (c) 2016, Incsub (http://incsub.com)

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*/

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namespace Smush\Core\Integrations\NextGen;

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use C_Component_Registry;

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use C_Gallery_Storage;

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use nggdb;

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use Smush\App\Media_Library;

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use Smush\Core\Core;

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use Smush\Core\Helper;

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use Smush\Core\Integrations\NextGen;

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use Smush\Core\Settings;

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use stdClass;

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use WP_Smush;

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if ( ! defined( 'WPINC' ) ) {

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die;

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}

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/**

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* Class Admin

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*/

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class Admin extends NextGen {

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/**

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* Total image count.

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*

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* @var int $total_count

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*/

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public $total_count = 0;

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/**

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* Count of images ( Attachments ), Does not includes additional sizes that might have been created.

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*

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* @var int $smushed_count

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*/

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public $smushed_count = 0;

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/**

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* Includes the count of different sizes an image might have

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*

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* @var int $image_count

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*/

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public $image_count = 0;

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/**

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* Remaining count.

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*

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* @var int $remaining_count

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*/

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public $remaining_count = 0;

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/**

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* Super Smushed.

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*

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* @var int $super_smushed

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*/

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public $super_smushed = 0;

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/**

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* Smushed images.

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*

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* @var array $smushed

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*/

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public $smushed = array();

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/**

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* Stores all lossless smushed IDs.

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*

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* @var array $resmush_ids

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*/

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public $resmush_ids = array();

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/**

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* Stats class object.

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*

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* @var Stats

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*/

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public $ng_stats;

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protected $settings;

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/**

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* Admin constructor.

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*

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* @param Stats $stats Class object.

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*/

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public function __construct( Stats $stats ) {

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$this->ng_stats = $stats;

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$this->settings = Settings::get_instance();

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// Update the number of columns.

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add_filter( 'ngg_manage_images_number_of_columns', array( $this, 'wp_smush_manage_images_number_of_columns' ) );

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// Update resmush list, if a NextGen image is deleted.

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add_action( 'ngg_delete_picture', array( $this, 'update_resmush_list' ) );

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// Update Stats, if a NextGen image is deleted.

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add_action( 'ngg_delete_picture', array( $this, 'update_nextgen_stats' ) );

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// Update Stats, Lists - if a NextGen Gallery is deleted.

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add_action( 'ngg_delete_gallery', array( $this->ng_stats, 'update_stats_cache' ) );

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// Update the Super Smush count, after the smushing.

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add_action( 'wp_smush_image_optimised_nextgen', array( $this, 'update_lists_after_optimizing' ), '', 2 );

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// Reset smush data after restoring the image.

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add_action( 'ngg_recovered_image', array( $this, 'reset_smushdata' ) );

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add_action( 'wp_ajax_nextgen_get_stats', array( $this, 'ajax_get_stats' ) );

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add_filter( 'wp_smush_nextgen_scan_stats', array( $this, 'scan_images' ) );

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}

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/**

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* Returns a column name for WP Smush.

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*

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* @param array $columns Current columns.

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*

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* @return array|string

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*/

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public function wp_smush_image_column_name( $columns ) {

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// Latest next gen takes string, while the earlier WP Smush plugin shows there use to be a array.

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if ( is_array( $columns ) ) {

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$columns['wp_smush_image'] = esc_html__( 'Smush', 'wp-smushit' );

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} else {

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$columns = esc_html__( 'Smush', 'wp-smushit' );

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}

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return $columns;

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}

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/**

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* Returns Smush option / Stats, depending if image is already smushed or not.

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*

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* @param string $column_name Column name.

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* @param object|int $id Image object or ID.

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*

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* @return array|bool|string|void

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*/

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public function wp_smush_column_options( $column_name, $id ) {

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// NExtGen Doesn't returns Column name, weird? yeah, right, it is proper because hook is called for the particular column.

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if ( 'wp_smush_image' === $column_name || '' === $column_name ) {

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// We're not using our in-house function Smush\Core\Integrations\Nextgen::get_nextgen_image_from_id()

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// as we're already instializing the nextgen gallery object, we need $storage instance later.

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// Registry Object for NextGen Gallery.

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$registry = C_Component_Registry::get_instance();

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/**

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* Gallery Storage Object.

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*

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* @var C_Gallery_Storage $storage

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*/

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$storage = $registry->get_utility( 'I_Gallery_Storage' );

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// We'll get the image object in $id itself, else fetch it using Gallery Storage.

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if ( is_object( $id ) ) {

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$image = $id;

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} else {

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// get an image object.

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$image = $storage->object->_image_mapper->find( $id );

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}

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// Check if it is supported image format, get image type to do that get the absolute path.

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$file_path = $storage->get_image_abspath( $image, 'full' );

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// Get image type from file path.

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$image_type = $this->get_file_type( $file_path );

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// If image type not supported.

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if ( ! $image_type || ! in_array( $image_type, Core::$mime_types, true ) ) {

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return;

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}

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$image->meta_data = $this->get_combined_stats( $image->meta_data );

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// Check Image metadata, if smushed, print the stats or super smush button.

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if ( ! empty( $image->meta_data['wp_smush'] ) ) {

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// Echo the smush stats.

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return $this->show_stats( $image->pid, $image->meta_data['wp_smush'], $image_type );

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}

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// Print the status of image, if Not smushed.

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return $this->set_status( $image->pid );

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}

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}

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/**

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* Localize Translations And Stats

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*/

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public function localize() {

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$handle = 'smush-admin';

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$upgrade_url = add_query_arg(

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array(

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'utm_source' => 'smush',

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'utm_medium' => 'plugin',

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'utm_campaign' => 'smush_bulksmush_issues_filesizelimit_notice',

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),

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'https://wpmudev.com/project/wp-smush-pro/'

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);

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if ( WP_Smush::is_pro() ) {

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$error_in_bulk = esc_html__( '{{smushed}}/{{total}} images were successfully compressed, {{errors}} encountered issues.', 'wp-smushit' );

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} else {

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$error_in_bulk = sprintf(

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/* translators: %1$s - opening link tag, %2$s - Close the link </a> */

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esc_html__( '{{smushed}}/{{total}} images were successfully compressed, {{errors}} encountered issues. Are you hitting the 5MB "size limit exceeded" warning? %1$sUpgrade to Smush Pro%2$s to optimize unlimited image files.', 'wp-smushit' ),

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'<a href="' . esc_url( $upgrade_url ) . '" target="_blank">',

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'</a>'

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);

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}

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$wp_smush_msgs = array(

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'nonce' => wp_create_nonce( 'wp-smush-ajax' ),

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'resmush' => esc_html__( 'Super-Smush', 'wp-smushit' ),

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'smush_now' => esc_html__( 'Smush Now', 'wp-smushit' ),

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'error_in_bulk' => $error_in_bulk,

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'all_resmushed' => esc_html__( 'All images are fully optimized.', 'wp-smushit' ),

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'restore' => esc_html__( 'Restoring image...', 'wp-smushit' ),

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'smushing' => esc_html__( 'Smushing image...', 'wp-smushit' ),

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);

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wp_localize_script( $handle, 'wp_smush_msgs', $wp_smush_msgs );

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$data = $this->ng_stats->get_global_stats();

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wp_localize_script( $handle, 'wp_smushit_data', $data );

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}

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/**

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* Increase the count of columns for Nextgen Gallery Manage page.

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*

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* @param int $count Current columns count.

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*

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* @return int

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*/

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public function wp_smush_manage_images_number_of_columns( $count ) {

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$count ++;

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// Add column Heading.

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add_filter( "ngg_manage_images_column_{$count}_header", array( $this, 'wp_smush_image_column_name' ) );

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// Add Column data.

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add_filter( "ngg_manage_images_column_{$count}_content", array( $this, 'wp_smush_column_options' ), 10, 2 );

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return $count;

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}

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/**

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* Set send button status

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*

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* @param int $pid ID.

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*

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* @return string

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*/

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private function set_status( $pid ) {

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// the status.

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$status_txt = __( 'Not processed', 'wp-smushit' );

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// we need to show the smush button.

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$show_button = true;

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// the button text.

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$button_txt = __( 'Smush', 'wp-smushit' );

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// If we are not showing smush button, append progress bar, else it is already there.

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if ( ! $show_button ) {

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$status_txt .= Media_Library::progress_bar();

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}

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return $this->column_html( $pid, $status_txt, $button_txt, $show_button );

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}

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/**

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* Print the column html

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*

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* @param string $pid Media id.

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* @param string $status_txt Status text.

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* @param string $button_txt Button label.

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* @param boolean $show_button Whether to shoe the button.

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* @param bool $smushed Image compressed or not.

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*

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* @return string|void

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*/

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public function column_html( $pid, $status_txt = '', $button_txt = '', $show_button = true, $smushed = false ) {

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$class = $smushed ? '' : ' sui-hidden';

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$html = '<p class="smush-status' . $class . '">' . $status_txt . '</p>';

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// if we aren't showing the button.

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if ( ! $show_button ) {

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return $html;

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}

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$html .= '<div class="sui-smush-media smush-status-links">';

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$html .= wp_nonce_field( 'wp_smush_nextgen', '_wp_smush_nonce', '', false );

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$html .= '<button class="button button-primary wp-smush-nextgen-send" data-id="' . $pid . '">

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<span>' . $button_txt . '</span>

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</button>';

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$html .= '</div>';

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return $html;

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}

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/**

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* Updates the resmush list for NextGen gallery, remove the given id

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*

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* @param int $attachment_id Attachment ID.

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*/

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public function update_resmush_list( $attachment_id ) {

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if ( $this->ng_stats->get_reoptimize_list()->has_id( $attachment_id ) ) {

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return $this->ng_stats->get_reoptimize_list()->remove_id( $attachment_id );

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}

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return $this->ng_stats->get_reoptimize_list()->add_id( $attachment_id );

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}

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/**

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* Fetch the stats for the given attachment id, and subtract them from Global stats

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*

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* @param int $attachment_id Attachment ID.

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*

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* @return bool

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*/

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public function update_nextgen_stats( $attachment_id ) {

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if ( empty( $attachment_id ) ) {

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return false;

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}

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$image_id = absint( (int) $attachment_id );

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// Get the absolute path for original image.

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$image = $this->get_nextgen_image_from_id( $image_id );

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// Image Metadata.

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$metadata = ! empty( $image ) ? $image->meta_data : '';

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$smush_stats = ! empty( $metadata['wp_smush'] ) ? $metadata['wp_smush'] : '';

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if ( empty( $smush_stats ) ) {

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return false;

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}

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$nextgen_stats = get_option( 'wp_smush_stats_nextgen', false );

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if ( ! $nextgen_stats ) {

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return false;

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}

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if ( ! empty( $nextgen_stats['size_before'] ) && ! empty( $nextgen_stats['size_after'] ) && $nextgen_stats['size_before'] > 0 && $nextgen_stats['size_after'] > 0 && $nextgen_stats['size_before'] >= $smush_stats['stats']['size_before'] ) {

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$nextgen_stats['size_before'] = $nextgen_stats['size_before'] - $smush_stats['stats']['size_before'];

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$nextgen_stats['size_after'] = $nextgen_stats['size_after'] - $smush_stats['stats']['size_after'];

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$nextgen_stats['bytes'] = $nextgen_stats['size_before'] - $nextgen_stats['size_after'];

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if ( 0 === $nextgen_stats['bytes'] && 0 === $nextgen_stats['size_before'] ) {

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$nextgen_stats['percent'] = 0;

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} else {

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$nextgen_stats['percent'] = ( $nextgen_stats['bytes'] / $nextgen_stats['size_before'] ) * 100;

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}

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$nextgen_stats['human'] = size_format( $nextgen_stats['bytes'], 1 );

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}

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// Update Stats.

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update_option( 'wp_smush_stats_nextgen', $nextgen_stats, false );

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// Remove from Super Smush list.

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$this->ng_stats->get_supper_smushed_list()->remove_id( $image_id );

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}

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/**

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* Update the Super Smush count for NextGen Gallery

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*

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* @param int $image_id Image ID.

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* @param array $stats Stats.

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*/

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public function update_lists_after_optimizing( $image_id, $stats ) {

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if ( isset( $stats['stats']['lossy'] ) && 1 === (int) $stats['stats']['lossy'] ) {

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$this->ng_stats->get_supper_smushed_list()->add_id( $image_id );

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}

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$this->update_resmush_list( $image_id );

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}

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/**

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* Initialize NextGen Gallery Stats

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*/

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public function setup_image_counts() {

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$this->total_count = $this->ng_stats->total_count();

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$this->smushed_count = $this->ng_stats->get_smushed_count();

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$this->image_count = $this->ng_stats->get_smushed_image_count();

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$this->resmush_ids = $this->ng_stats->get_reoptimize_list()->get_ids();

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$this->super_smushed = $this->ng_stats->get_supper_smushed_count();

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$this->remaining_count = $this->ng_stats->get_remaining_count();

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}

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/**

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* Get the image count for nextgen images

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*

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* @param array $images Array of attachments to get the image count for.

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* @param bool $exclude_resmush_ids Whether to exclude resmush ids or not.

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*

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* @return int

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*/

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public function get_image_count( $images = array(), $exclude_resmush_ids = true ) {

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if ( empty( $images ) || ! is_array( $images ) ) {

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return 0;

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}

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$image_count = 0;

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// $image in here is expected to be metadata array

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foreach ( $images as $image_k => $image ) {

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// Get image object if not there already.

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if ( ! is_array( $image ) ) {

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$image = $this->get_nextgen_image_from_id( $image );

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// Get the meta.

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$image = ! empty( $image->meta_data ) ? $image->meta_data : '';

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}

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// If there are no smush stats, skip.

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if ( empty( $image['wp_smush'] ) ) {

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continue;

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}

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// If resmush ids needs to be excluded.

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if ( $exclude_resmush_ids && ( ! empty( $this->resmush_ids ) && in_array( $image_k, $this->resmush_ids ) ) ) {

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continue;

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}

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// Get the image count.

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if ( ! empty( $image['wp_smush']['sizes'] ) ) {

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$image_count += count( $image['wp_smush']['sizes'] );

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}

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}

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return $image_count;

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}

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/**

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* Combine the resizing stats and smush stats , One time operation - performed during the image optimization

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*

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* @param array $metadata Image metadata.

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*

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* @return mixed

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*/

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private function get_combined_stats( $metadata ) {

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if ( empty( $metadata ) ) {

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return $metadata;

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}

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$smush_stats = ! empty( $metadata['wp_smush'] ) ? $metadata['wp_smush'] : '';

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$resize_savings = ! empty( $metadata['wp_smush_resize_savings'] ) ? $metadata['wp_smush_resize_savings'] : '';

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if ( empty( $resize_savings ) || empty( $smush_stats ) ) {

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return $metadata;

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}

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$smush_stats['stats']['bytes'] = ! empty( $resize_savings['bytes'] ) ? $smush_stats['stats']['bytes'] + $resize_savings['bytes'] : $smush_stats['stats']['bytes'];

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$smush_stats['stats']['size_before'] = ! empty( $resize_savings['size_before'] ) ? $smush_stats['stats']['size_before'] + $resize_savings['size_before'] : $smush_stats['stats']['size_before'];

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$smush_stats['stats']['size_after'] = ! empty( $resize_savings['size_after'] ) ? $smush_stats['stats']['size_after'] + $resize_savings['size_after'] : $smush_stats['stats']['size_after'];

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$smush_stats['stats']['percent'] = ! empty( $resize_savings['size_before'] ) ? ( $smush_stats['stats']['bytes'] / $smush_stats['stats']['size_before'] ) * 100 : $smush_stats['stats']['percent'];

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// Round off.

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$smush_stats['stats']['percent'] = round( $smush_stats['stats']['percent'], 2 );

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if ( ! empty( $smush_stats['sizes']['full'] ) ) {

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// Full Image.

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$smush_stats['sizes']['full']['bytes'] = ! empty( $resize_savings['bytes'] ) ? $smush_stats['sizes']['full']['bytes'] + $resize_savings['bytes'] : $smush_stats['sizes']['full']['bytes'];

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$smush_stats['sizes']['full']['size_before'] = ! empty( $resize_savings['size_before'] ) ? $smush_stats['sizes']['full']['size_before'] + $resize_savings['size_before'] : $smush_stats['sizes']['full']['size_before'];

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$smush_stats['sizes']['full']['size_after'] = ! empty( $resize_savings['size_after'] ) ? $smush_stats['sizes']['full']['size_after'] + $resize_savings['size_after'] : $smush_stats['sizes']['full']['size_after'];

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$smush_stats['sizes']['full']['percent'] = ! empty( $smush_stats['sizes']['full']['bytes'] ) && $smush_stats['sizes']['full']['size_before'] > 0 ? ( $smush_stats['sizes']['full']['bytes'] / $smush_stats['sizes']['full']['size_before'] ) * 100 : $smush_stats['sizes']['full']['percent'];

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$smush_stats['sizes']['full']['percent'] = round( $smush_stats['sizes']['full']['percent'], 2 );

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} else {

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$smush_stats['sizes']['full'] = $resize_savings;

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}

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$metadata['wp_smush'] = $smush_stats;

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return $metadata;

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}

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/**

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* Reset smush data after restoring the image.

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*

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* @since 3.10.0

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*

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* @param stdClass $image Image object for NextGen gallery.

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* @param false|string $attachment_file_path The full file path, if it's provided we will reset the dimension.

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*/

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public function reset_smushdata( $image, $attachment_file_path = false ) {

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if ( empty( $image->meta_data['wp_smush'] ) && empty( $image->meta_data['wp_smush_resize_savings'] ) ) {

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return;

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}

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$this->ng_stats->subtract_image_stats( $image );

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