<?php

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namespace ImageOptimization\Classes\Image;

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if ( ! defined( 'ABSPATH' ) ) {

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exit; // Exit if accessed directly.

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}

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class Image_Meta {

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public const IMAGE_OPTIMIZER_METADATA_KEY = 'image_optimizer_metadata';

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private const INITIAL_META_VALUE = [

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'status' => Image_Status::NOT_OPTIMIZED,

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'error_type' => null,

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'compression_level' => null,

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'retry_count' => null,

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'sizes_optimized' => [],

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'backups' => [],

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'original_data' => [

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'sizes' => [],

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],

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];

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private int $image_id;

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private array $image_meta;

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public function get_status(): string {

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return $this->image_meta['status'];

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}

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public function set_status( string $status ): Image_Meta {

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$this->image_meta['status'] = $status;

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return $this;

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}

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public function get_error_type(): ?string {

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return $this->image_meta['error_type'];

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}

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public function set_error_type( ?string $type ): Image_Meta {

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$this->image_meta['error_type'] = $type;

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return $this;

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}

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public function get_compression_level(): ?string {

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return $this->image_meta['compression_level'];

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}

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public function set_compression_level( string $compression_level ): Image_Meta {

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$this->image_meta['compression_level'] = $compression_level;

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return $this;

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}

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public function get_retry_count(): ?int {

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return $this->image_meta['retry_count'];

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}

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public function set_retry_count( ?int $retry_count ): Image_Meta {

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$this->image_meta['retry_count'] = $retry_count;

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return $this;

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}

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public function get_optimized_sizes(): array {

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return $this->image_meta['sizes_optimized'];

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}

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public function add_optimized_size( string $optimized_size ): Image_Meta {

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if ( ! in_array( $optimized_size, $this->image_meta['sizes_optimized'], true ) ) {

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$this->image_meta['sizes_optimized'][] = $optimized_size;

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}

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return $this;

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}

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public function clear_optimized_sizes(): Image_Meta {

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$this->image_meta['sizes_optimized'] = [];

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return $this;

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}

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public function set_optimized_size( array $optimized_size ): Image_Meta {

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$this->image_meta['sizes_optimized'] = $optimized_size;

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return $this;

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}

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public function clear_backups(): Image_Meta {

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$this->image_meta['backups'] = [];

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return $this;

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}

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public function get_image_backup_paths(): array {

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return $this->image_meta['backups'];

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}

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public function get_image_backup_path( string $image_size ): ?string {

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return $this->image_meta['backups'][ $image_size ] ?? null;

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}

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public function set_image_backup_path( string $image_size, string $backup_path ): Image_Meta {

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$this->image_meta['backups'][ $image_size ] = $backup_path;

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return $this;

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}

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public function remove_image_backup_path( string $image_size ): Image_Meta {

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unset( $this->image_meta['backups'][ $image_size ] );

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return $this;

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}

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public function get_original_file_size( string $image_size ): ?int {

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if ( ! isset( $this->image_meta['original_data']['sizes'][ $image_size ]['filesize'] ) ) {

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return null;

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}

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return $this->image_meta['original_data']['sizes'][ $image_size ]['filesize'];

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}

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public function get_original_mime_type( string $image_size ): ?string {

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if ( ! isset( $this->image_meta['original_data']['sizes'][ $image_size ] ) ) {

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return null;

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}

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return $this->image_meta['original_data']['sizes'][ $image_size ]['mime-type'];

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}

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public function get_original_width( string $image_size ): ?string {

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if ( ! isset( $this->image_meta['original_data']['sizes'][ $image_size ] ) ) {

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return null;

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}

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return $this->image_meta['original_data']['sizes'][ $image_size ]['width'];

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}

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public function get_original_height( string $image_size ): ?string {

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if ( ! isset( $this->image_meta['original_data']['sizes'][ $image_size ] ) ) {

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return null;

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}

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return $this->image_meta['original_data']['sizes'][ $image_size ]['height'];

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}

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public function add_original_data( string $size, array $data ): Image_Meta {

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$this->image_meta['original_data']['sizes'][ $size ] = $data;

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return $this;

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}

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public function clear_original_data(): Image_Meta {

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$this->image_meta['original_data'] = [ 'sizes' => [] ];

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return $this;

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}

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public function delete(): bool {

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return delete_post_meta( $this->image_id, self::IMAGE_OPTIMIZER_METADATA_KEY );

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}

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public function save(): Image_Meta {

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update_post_meta( $this->image_id, self::IMAGE_OPTIMIZER_METADATA_KEY, $this->image_meta );

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$this->query_meta();

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return $this;

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}

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private function query_meta(): void {

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$meta = get_post_meta( $this->image_id, self::IMAGE_OPTIMIZER_METADATA_KEY, true );

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$this->image_meta = $meta ? array_replace_recursive( self::INITIAL_META_VALUE, $meta ) : self::INITIAL_META_VALUE;

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}

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public function __construct( int $image_id ) {

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$this->image_id = $image_id;

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$this->query_meta();

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}

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}

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