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<?php

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/**

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* Created by PhpStorm.

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* User: Andrew

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* Date: 05.06.2018

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* Time: 8:41

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namespace NetworkPosts\Components\resizer;

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require_once plugin_dir_path(NETSPOSTS_MAIN_PLUGIN_FILE) . 'components/NetsPostsApiController.php';

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require_once 'NetsPostsThumbnailResizerClient.php';

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require_once 'NetsPostsThumbnailSizeSettings.php';

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require_once 'NetsPostsThumbnailResizerClient.php';

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require_once 'NetsPostsThumbnailsResizer.php';

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use NetworkPosts\Components\NetsPostsApiController;

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class NetsPostsImageResizerFacade extends NetsPostsApiController {

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protected static $instance;

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protected $blog_sizes = array();

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protected $global_sizes = array();

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protected $resizer_client;

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protected $image_resizer;

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protected $keys = array();

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private $initialized = false;

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private $is_resizing_allowed = false;

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private $is_global_resizing = false;

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protected function init( $is_allowed, $is_global ) {

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$this->image_resizer = self::create_resizer();

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$this->resizer_client = new NetsPostsThumbnailResizerClient();

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$this->initialized = true;

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$this->is_resizing_allowed = $is_allowed;

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$this->is_global_resizing = $is_global;

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$this->register_hooks();

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}

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private static function create_resizer() {

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$inst = new NetsPostsThumbnailsResizer();

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//Migrate previous plugin settings

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$sizes = null;

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if ( NetsPostsThumbnailSizeSettings::has_old_options() ) {

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$sizes = NetsPostsThumbnailSizeSettings::get_old_image_sizes();

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NetsPostsThumbnailSizeSettings::delete_old_options();

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} else {

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$sizes = NetsPostsThumbnailSizeSettings::get_blog_image_sizes();

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}

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if( is_array( $sizes ) ){

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$inst->set_local_sizes( $sizes );

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}

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return $inst;

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}

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public function register_hooks() {

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add_action( 'init', array( $this, 'init_sizes' ) );

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$this->resizer_client->register_hooks();

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add_filter( 'image_size_names_choose', array( $this, 'add_size_name' ) );

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add_action( 'admin_post_netsposts_add_size', array( $this, 'receive_post' ) );

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add_action( 'admin_post_netsposts_remove_size', array( $this, 'delete_size' ) );

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add_action( 'admin_post_generate_images', array( $this, 'generate_images' ) );

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add_action( 'wp_ajax_netsposts_get_sizes', array( $this, 'get_thumbnail_sizes' ) );

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add_action( 'wp_ajax_netsposts_get_size', array( $this, 'get_by_id' ) );

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add_action( 'admin_post_get_dummy_thumbnails', array( $this, 'get_dummy_thumbnails' ) );

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}

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public function is_initialized() {

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return $this->initialized;

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}

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public function register_scripts() {

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if ( $this->is_resizing_allowed ) {

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$this->resizer_client->register_scripts();

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}

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}

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public function get_table_html() {

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if ( $this->is_resizing_allowed ) {

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return $this->resizer_client->get_table_html();

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}

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return '';

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}

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public function get_blog_options_form() {

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return $this->resizer_client->get_blog_options_form_html( $this->is_resizing_allowed, $this->is_global_resizing );

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}

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public function get_dummy_thumbnails() {

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ob_start( null, 0, PHP_OUTPUT_HANDLER_CLEAN );

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for ( $i = 0; $i < 100; $i ++ ) {

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$string = '{file:' . '"file"' . $i . '.png' . ', progress:' . $i . '}';

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echo $string . PHP_EOL . PHP_EOL;

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sleep( 500 );

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ob_flush();

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flush();

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}

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}

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public function init_sizes() {

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if ( $this->is_initialized() ) {

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if ( function_exists( 'add_image_size' ) ) {

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$sizes = $this->image_resizer->get_sizes();

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$this->add_new_sizes( $sizes );

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}

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}

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}

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public function add_size_name( $sizes ) {

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$created = $this->image_resizer->get_sizes();

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foreach ( $created as $size ) {

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$sizes[ $size['data']['alias'] ] = @$size['name'];

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}

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return $sizes;

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}

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public function add_new_sizes( $sizes ) {

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foreach ( $sizes as $size ) {

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$size_data = $size['data'];

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if ( isset( $size_data['height'] ) && is_numeric( $size_data['height'] ) ) {

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$height = $size_data['height'];

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} else {

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$height = 9999;

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}

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if ( $size_data['crop'] == "true" ) {

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add_image_size( $size_data['alias'], $size_data['width'], $height, true, array(

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$size_data['crop_x'],

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$size_data['crop_y']

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) );

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} else {

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add_image_size( $size_data['alias'], $size_data['width'], $height, false );

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}

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}

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}

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protected function is_model_valid( $model ) {

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if ( ! empty( $model ) ) {

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if ( ! isset( $model['name'] ) ) {

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return false;

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}

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if ( ! is_numeric( @$model['width'] ) ) {

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return false;

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}

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return true;

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} else {

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return false;

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}

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}

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public function receive_post() {

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if ( $this->is_resizing_allowed ) {

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if ( $this->is_model_valid( $_POST ) ) {

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if ( @$_POST['id'] ) {

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$size = $this->image_resizer->find_by_id( $_POST['id'] );

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if ( ! $size ) {

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$this->not_found();

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}

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} else {

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$size = array();

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}

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if ( $_POST['crop'] === 'true' ) {

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$size['crop_x'] = @$_POST['crop_x'];

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$size['crop_y'] = @$_POST['crop_y'];

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} else {

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if ( ! empty( $size ) ) {

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unset( $_POST['crop_x'] );

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unset( $_POST['crop_y'] );

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}

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}

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$size['crop'] = $_POST['crop'] === 'true';

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if ( ! isset( $size['data'] ) ) {

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$size['data'] = array();

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}

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if ( isset( $_POST['alias'] ) ) {

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$size['data']['alias'] = $_POST['alias'];

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}

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$size['name'] = $_POST['name'];

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$size['data']['width'] = $_POST['width'];

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$size['data']['height'] = @$_POST['height'];

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if ( isset( $size['id'] ) ) {

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$result = $this->image_resizer->update_size( $size['id'], $size );

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} else {

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$result = $this->image_resizer->create_size( $size['name'], $size );

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}

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if ( $result ) {

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$this->send_json( 200, $result );

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} else {

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$this->internal_exception();

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}

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} else {

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$this->bad_request();

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}

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} else {

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$this->restricted();

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}

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}

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public function delete_size() {

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if ( isset( $_GET['id'] ) ) {

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$size = $this->image_resizer->find_by_id( $_GET['id'] );

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if ( $size ) {

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$this->image_resizer->delete( $size['id'], isset( $size['global'] ) );

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$this->send_response( 200 );

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} else {

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$this->not_found();

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}

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} else {

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$this->bad_request();

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}

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}

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public function get_thumbnail_sizes() {

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$this->send_json( 200, $this->image_resizer->get_sizes() );

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}

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public function get_by_id() {

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if ( isset( $_GET['id'] ) ) {

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$item = $this->image_resizer->find_by_id( $_GET['id'] );

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if ( $item ) {

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$this->send_json( 200, $item );

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} else {

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$this->not_found();

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}

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} else {

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$this->bad_request();

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}

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}

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public function generate_images() {

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if ( isset( $_POST['sizes'] ) ) {

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$size = $this->image_resizer->find_by_id( $_POST['sizes'] );

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if ( $size ) {

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if ( @$_POST['select_images'] == 'selected_number' && is_numeric( @$_POST['images_count'] ) ) {

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$attachments = $this->get_attachments( (int) $_POST['images_count'] );

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} else {

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$attachments = $this->get_attachments();

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}

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if ( $attachments ) {

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$count = 1;

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foreach ( $attachments as $blog_id => $blog_attachments ) {

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if ( $blog_id === 'count' ) {

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continue;

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}

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if ( count( $blog_attachments ) > 0 ) {

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switch_to_blog( $blog_id );

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$upload_dir = wp_upload_dir();

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foreach ( $blog_attachments as $attachment ) {

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$image = wp_get_attachment_metadata( $attachment );

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$file = $image['file'];

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if(!realpath($file)){

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$file = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . $file;

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}

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if ( $image && file_exists($file) ) {

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$result = $this->image_resizer->generate_image( $size['id'], $file );

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if ( $result ) {

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$image['sizes'][ $size['data']['alias'] ] = $result;

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wp_update_attachment_metadata( $attachment, $image );

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}

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$response = '{"progress":' . $count / $attachments['count'] * 100 . ', "data":"' . $file . '"}';

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if( isset( $_POST['submit'] ) ){

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$this->ob_ignore( $response, true );

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}

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else{

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echo $response;

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}

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$count++;

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usleep( 1000 );

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}

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}

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restore_current_blog();

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}

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}

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$this->send_response( 200 );

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}

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}

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} else {

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$this->bad_request();

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}

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}

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protected function get_attachments( $limit = 0 ) {

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$attachments = array();

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$count = 0;

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if ( $this->is_global_resizing ) {

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$blogs = get_sites( array( 'fields' => 'ids' ) );

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} else {

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$blogs = array( get_current_blog_id() );

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}

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foreach ( $blogs as $blog ) {

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switch_to_blog( $blog );

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$tmp = get_posts(

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array(

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'post_type' => 'attachment',

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'posts_per_page' => -1,

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'post_status' => 'any',

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'post_parent' => null,

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'fields' => 'ids'

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) );

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$tmp_count = count( $tmp );

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if ( $limit ) {

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if ( $limit < $tmp_count ) {

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$attachments[ $blog ] = array_slice( $tmp, 0, $limit );

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$limit = 0;

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} else {

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$attachments[ $blog ] = $tmp;

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$limit -= $tmp_count;

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}

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if ( $limit <= 0 ) {

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$count += count( $attachments[ $blog ] );

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restore_current_blog();

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break;

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}

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} else {

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$attachments[ $blog ] = $tmp;

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}

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$count += count( $attachments[ $blog ] );

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restore_current_blog();

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}

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if ( $count ) {

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$attachments['count'] = $count;

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return $attachments;

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} else {

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return false;

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}

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}

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private function ob_ignore($data, $flush = false)

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{

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$ob = array();

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while (ob_get_level())

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{

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array_unshift($ob, ob_get_contents());

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ob_end_clean();

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}

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echo $data;

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if ($flush)

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flush();

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foreach ($ob as $ob_data)

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{

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ob_start();

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echo $ob_data;

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}

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return count($ob);

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}

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public static function getInstance( $is_resizing_allowed = false, $is_global = false ) {

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if ( self::$instance ) {

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return self::$instance;

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}

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self::$instance = new NetsPostsImageResizerFacade();

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self::$instance->init( $is_resizing_allowed, $is_global );

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return self::$instance;

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}

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}

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