Add Multisite Global Media integration

wp-content/themes/humanity-theme/functions.php

@@ -292,4 +292,8 @@
 }
 #endregion multilingualpress
 
+/**
+ * Theme Multisite Global Media includes
+ */
+require_once realpath( __DIR__ . '/includes/mgm/class-mgm-filters.php' );
 // phpcs:enable Squiz.Commenting.InlineComment.WrongStyle,PEAR.Commenting.InlineComment.WrongStyle

wp-content/themes/humanity-theme/includes/mgm/class-mgm-filters.php

@@ -0,0 +1,174 @@
+<?php
+
+declare( strict_types = 1 );
+
+namespace Amnesty;
+
+use MultisiteGlobalMedia\Site;
+
+new MGM_Filters();
+
+/**
+ * Filters for Multisite Global Media block transformations
+ */
+class MGM_Filters {
+
+	/**
+	 * MGM site helper object
+	 *
+	 * @var Site
+	 */
+	protected Site $site;
+
+	/**
+	 * Bind hooks
+	 */
+	public function __construct() {
+		if ( class_exists( Site::class, false ) ) {
+			$this->site = new Site();
+		}
+
+		add_filter( 'global_media.process_post.block_amnesty_core_block_section', [ $this, 'section' ], 10, 3 );
+		add_filter( 'global_media.process_post.block_amnesty_core_hero', [ $this, 'hero' ], 10, 3 );
+		add_filter( 'global_media.process_post.block_amnesty_core_block_slider', [ $this, 'slider' ], 10, 3 );
+		add_filter( 'global_media.process_post.block_amnesty_core_action_block', [ $this, 'action' ], 10, 3 );
+		add_filter( 'global_media.process_post.block_amnesty_core_background_media_column', [ $this, 'background_media_column' ], 10, 3 );
+		add_filter( 'global_media.process_post.block_amnesty_core_custom_card', [ $this, 'custom_card' ], 10, 3 );
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function section( array $block ): array {
+		$image_id = absint( $block['attrs']['backgroundImageId'] ?? '0' );
+
+		if ( $image_id ) {
+			$block['attrs']['backgroundImageId'] = $this->process( $image_id );
+		}
+
+		return $block;
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function hero( array $block ): array {
+		$image_id = absint( $block['attrs']['imageID'] ?? '0' );
+		$video_id = absint( $block['attrs']['featuredVideoId'] ?? '0' );
+
+		if ( $image_id ) {
+			$block['attrs']['imageID'] = $this->process( $image_id );
+		}
+
+		if ( $video_id ) {
+			$block['attrs']['featuredVideoId'] = $this->process( $video_id );
+		}
+
+		return $block;
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function slider( array $block ): array {
+		foreach ( (array) $block['attrs']['slides'] as $index => $slide ) {
+			$image_id = absint( $slide['imageId'] ?? '0' );
+
+			if ( $image_id ) {
+				$block['attrs']['slides'][ $index ]['imageId'] = $this->process( $image_id );
+			}
+		}
+
+		return $block;
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function action( array $block ): array {
+		$image_id = absint( $block['attrs']['imageID'] ?? '0' );
+
+		if ( $image_id ) {
+			$block['attrs']['imageID'] = $this->process( $image_id );
+		}
+
+		return $block;
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function background_media_column( array $block ): array {
+		$image_id = absint( $block['attrs']['image'] ?? '0' );
+
+		if ( $image_id ) {
+			$block['attrs']['image'] = $this->process( $image_id );
+		}
+
+		return $block;
+	}
+
+	/**
+	 * For when the origin is the global media site, add the prefix to the image ID
+	 *
+	 * @param array<string,mixed> $block the parsed block data
+	 *
+	 * @return array<string,mixed>
+	 */
+	public function custom_card( array $block ): array {
+		$image_id = absint( $block['attrs']['imageID'] ?? '0' );
+
+		if ( $image_id ) {
+			$block['attrs']['imageID'] = $this->process( $image_id );
+		}
+
+		return $block;
+	}
+
+	/**
+	 * Check if the given site Id prefix exists into the give attachment id
+	 *
+	 * @param int|string $id the attachment ID
+	 *
+	 * @return bool
+	 */
+	protected function media_has_prefix( int|string $id ): bool {
+		return false !== strpos( (string) $id, $this->site->idSitePrefix() );
+	}
+
+	/**
+	 * Process an attribute value
+	 *
+	 * @param int|string $id the attribute value
+	 *
+	 * @return int
+	 */
+	protected function process( int|string $id ): int {
+		if ( $this->media_has_prefix( $id ) ) {
+			return absint( $id );
+		}
+
+		return absint( $this->site->idSitePrefix() . $id );
+	}
+
+}