wp-fedistream/includes/Frontend/Widgets/FeaturedArtistWidget.php

<?php
/**
 * Featured Artist Widget.
 *
 * @package WP_FediStream
 */

namespace WP_FediStream\Frontend\Widgets;

use WP_FediStream\Frontend\TemplateLoader;
use WP_FediStream\Plugin;

// Prevent direct file access.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * Displays a featured artist.
 */
class FeaturedArtistWidget extends \WP_Widget {

    /**
     * Constructor.
     */
    public function __construct() {
        parent::__construct(
            'fedistream_featured_artist',
            __( 'FediStream: Featured Artist', 'wp-fedistream' ),
            array(
                'description' => __( 'Display a featured artist.', 'wp-fedistream' ),
                'classname'   => 'fedistream-widget fedistream-widget--featured-artist',
            )
        );
    }

    /**
     * Front-end display.
     *
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     * @return void
     */
    public function widget( $args, $instance ): void {
        $title     = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Featured Artist', 'wp-fedistream' );
        $title     = apply_filters( 'widget_title', $title, $instance, $this->id_base );
        $artist_id = ! empty( $instance['artist_id'] ) ? absint( $instance['artist_id'] ) : 0;
        $random    = ! empty( $instance['random'] ) && $instance['random'];

        $post = null;

        if ( $random ) {
            // Get a random artist.
            $posts = get_posts(
                array(
                    'post_type'      => 'fedistream_artist',
                    'posts_per_page' => 1,
                    'orderby'        => 'rand',
                    'post_status'    => 'publish',
                )
            );
            if ( ! empty( $posts ) ) {
                $post = $posts[0];
            }
        } elseif ( $artist_id ) {
            $post = get_post( $artist_id );
            if ( $post && 'fedistream_artist' !== $post->post_type ) {
                $post = null;
            }
        }

        if ( ! $post ) {
            return;
        }

        $artist_data = TemplateLoader::get_artist_data( $post );

        echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

        if ( $title ) {
            echo $args['before_title'] . esc_html( $title ) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
        }

        try {
            $plugin = Plugin::get_instance();
            // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
            echo $plugin->render(
                'widgets/featured-artist',
                array(
                    'post' => $artist_data,
                )
            );
        } catch ( \Exception $e ) {
            if ( WP_DEBUG ) {
                echo '<p class="fedistream-error">' . esc_html( $e->getMessage() ) . '</p>';
            }
        }

        echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
    }

    /**
     * Back-end widget form.
     *
     * @param array $instance Previously saved values from database.
     * @return void
     */
    public function form( $instance ): void {
        $title     = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Featured Artist', 'wp-fedistream' );
        $artist_id = ! empty( $instance['artist_id'] ) ? absint( $instance['artist_id'] ) : 0;
        $random    = ! empty( $instance['random'] ) && $instance['random'];

        // Get all artists for dropdown.
        $artists = get_posts(
            array(
                'post_type'      => 'fedistream_artist',
                'posts_per_page' => -1,
                'orderby'        => 'title',
                'order'          => 'ASC',
                'post_status'    => 'publish',
            )
        );
        ?>
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'wp-fedistream' ); ?></label>
            <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
        </p>
        <p>
            <label>
                <input type="checkbox" id="<?php echo esc_attr( $this->get_field_id( 'random' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'random' ) ); ?>" value="1" <?php checked( $random ); ?>>
                <?php esc_html_e( 'Show random artist', 'wp-fedistream' ); ?>
            </label>
        </p>
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'artist_id' ) ); ?>"><?php esc_html_e( 'Or select specific artist:', 'wp-fedistream' ); ?></label>
            <select class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'artist_id' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'artist_id' ) ); ?>">
                <option value=""><?php esc_html_e( '-- Select Artist --', 'wp-fedistream' ); ?></option>
                <?php foreach ( $artists as $artist ) : ?>
                    <option value="<?php echo esc_attr( $artist->ID ); ?>" <?php selected( $artist_id, $artist->ID ); ?>>
                        <?php echo esc_html( $artist->post_title ); ?>
                    </option>
                <?php endforeach; ?>
            </select>
        </p>
        <?php
    }

    /**
     * Sanitize widget form values as they are saved.
     *
     * @param array $new_instance Values just sent to be saved.
     * @param array $old_instance Previously saved values from database.
     * @return array Updated safe values to be saved.
     */
    public function update( $new_instance, $old_instance ): array {
        $instance              = array();
        $instance['title']     = ! empty( $new_instance['title'] ) ? sanitize_text_field( $new_instance['title'] ) : '';
        $instance['artist_id'] = ! empty( $new_instance['artist_id'] ) ? absint( $new_instance['artist_id'] ) : 0;
        $instance['random']    = ! empty( $new_instance['random'] );
        return $instance;
    }
}