updated plugin ActivityPub version 2.0.1

wp-content/plugins/activitypub/includes/transformer/class-attachment.php

@@ -0,0 +1,49 @@
+<?php
+namespace Activitypub\Transformer;
+
+use Activitypub\Transformer\Post;
+
+/**
+ * WordPress Attachment Transformer
+ *
+ * The Attachment Transformer is responsible for transforming a WP_Post object into different other
+ * Object-Types.
+ *
+ * Currently supported are:
+ *
+ * - Activitypub\Activity\Base_Object
+ */
+class Attachment extends Post {
+	/**
+	 * Generates all Media Attachments for a Post.
+	 *
+	 * @return array The Attachments.
+	 */
+	protected function get_attachment() {
+		$mime_type  = get_post_mime_type( $this->wp_object->ID );
+		$media_type = preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type );
+
+		switch ( $media_type ) {
+			case 'audio':
+			case 'video':
+				$type = 'Document';
+				break;
+			case 'image':
+				$type = 'Image';
+				break;
+		}
+
+		$attachment = array(
+			'type'      => $type,
+			'url'       => wp_get_attachment_url( $this->wp_object->ID ),
+			'mediaType' => $mime_type,
+		);
+
+		$alt = \get_post_meta( $this->wp_object->ID, '_wp_attachment_image_alt', true );
+		if ( $alt ) {
+			$attachment['name'] = $alt;
+		}
+
+		return $attachment;
+	}
+}