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1<?php
2
3namespace NewfoldLabs\WP\Module\Performance\Images\RestApi;
4
5use NewfoldLabs\WP\Module\Performance\Images\ImageService;
6use NewfoldLabs\WP\Module\Performance\Images\ImageSettings;
7
8/**
9 * Class ImagesController
10 * Provides REST API for single media item optimization.
11 */
12class ImagesController {
13    /**
14     * Dependency injection container.
15     *
16     * @var \NewfoldLabs\WP\Container\Container
17     */
18    protected $container;
19
20    /**
21     * The REST route namespace.
22     *
23     * @var string
24     */
25    protected $namespace = 'newfold-performance/v1';
26
27    /**
28     * The REST route base.
29     *
30     * @var string
31     */
32    protected $rest_base = '/images';
33
34    /**
35     * Constructor.
36     *
37     * @param \NewfoldLabs\WP\Container\Container $container Dependency injection container.
38     */
39    public function __construct( $container ) {
40        $this->container = $container;
41    }
42
43    /**
44     * Registers API routes.
45     */
46    public function register_routes() {
47        register_rest_route(
48            $this->namespace,
49            $this->rest_base . '/optimize',
50            array(
51                'methods'             => \WP_REST_Server::CREATABLE,
52                'callback'            => array( $this, 'optimize_image' ),
53                'permission_callback' => function () {
54                    return current_user_can( 'upload_files' );
55                },
56                'args'                => array(
57                    'media_id' => array(
58                        'required'          => true,
59                        'type'              => 'integer',
60                        'description'       => __( 'The ID of the media item to optimize.', 'wp-module-performance' ),
61                        'validate_callback' => function ( $param ) {
62                            return is_numeric( $param ) && $param > 0;
63                        },
64                    ),
65                ),
66            )
67        );
68    }
69
70    /**
71     * Optimizes a single media item.
72     *
73     * @param \WP_REST_Request $request The REST API request.
74     * @return \WP_REST_Response
75     */
76    public function optimize_image( \WP_REST_Request $request ) {
77        $media_id = $request->get_param( 'media_id' );
78
79        $file_path = get_attached_file( $media_id );
80        $image_url = wp_get_attachment_url( $media_id );
81
82        if ( empty( $file_path ) || empty( $image_url ) ) {
83            return new \WP_REST_Response(
84                array(
85                    'success' => false,
86                    'error'   => __( 'Invalid media ID or media item not found.', 'wp-module-performance' ),
87                ),
88                400
89            );
90        }
91
92        $image_service    = new ImageService( $this->container );
93        $delete_original  = ImageSettings::is_auto_delete_enabled();
94        $optimized_result = $image_service->optimize_image( $image_url, $file_path );
95
96        if ( is_wp_error( $optimized_result ) ) {
97            return new \WP_REST_Response(
98                array(
99                    'success' => false,
100                    'error'   => $optimized_result->get_error_message(),
101                ),
102                500
103            );
104        }
105
106        if ( $delete_original ) {
107            $response = $image_service->replace_original_with_webp( $media_id, $optimized_result );
108        } else {
109            $response = $image_service->register_webp_as_new_media( $optimized_result );
110        }
111
112        if ( is_wp_error( $response ) ) {
113            return new \WP_REST_Response(
114                array(
115                    'success' => false,
116                    'error'   => $response->get_error_message(),
117                ),
118                500
119            );
120        }
121
122        return new \WP_REST_Response(
123            array(
124                'success' => true,
125                'message' => __( 'Image successfully optimized.', 'wp-module-performance' ),
126            ),
127            200
128        );
129    }
130}