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<?php |
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namespace Activitypub\Model; |
| 3 |
|
| 4 |
/** |
| 5 |
* ActivityPub Post Class |
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* |
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* @author Matthias Pfefferle |
| 8 |
*/ |
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class Post { |
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private $post; |
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private $post_author; |
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private $id; |
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private $summary; |
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private $content; |
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private $attachments; |
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private $tags; |
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private $object_type; |
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|
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public function __construct( $post = null ) { |
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$this->post = \get_post( $post ); |
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|
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$this->post_author = $this->post->post_author; |
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$this->id = $this->generate_id(); |
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$this->summary = $this->generate_the_title(); |
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$this->content = $this->generate_the_content(); |
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$this->attachments = $this->generate_attachments(); |
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$this->tags = $this->generate_tags(); |
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$this->object_type = $this->generate_object_type(); |
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} |
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|
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public function __call( $method, $params ) { |
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$var = \strtolower( \substr( $method, 4 ) ); |
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|
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if ( \strncasecmp( $method, 'get', 3 ) === 0 ) { |
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return $this->$var; |
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} |
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|
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if ( \strncasecmp( $method, 'set', 3 ) === 0 ) { |
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$this->$var = $params[0]; |
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} |
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} |
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|
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public function to_array() { |
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$post = $this->post; |
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|
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$array = array( |
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'id' => $this->id, |
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'type' => $this->object_type, |
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'published' => \gmdate( 'Y-m-d\TH:i:s\Z', \strtotime( $post->post_date_gmt ) ), |
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'attributedTo' => \get_author_posts_url( $post->post_author ), |
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'summary' => $this->summary, |
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'inReplyTo' => null, |
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'content' => $this->content, |
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'contentMap' => array( |
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\strstr( \get_locale(), '_', true ) => $this->content, |
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), |
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'to' => array( 'https://www.w3.org/ns/activitystreams#Public' ), |
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'cc' => array( 'https://www.w3.org/ns/activitystreams#Public' ), |
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'attachment' => $this->attachments, |
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'tag' => $this->tags, |
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); |
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|
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return \apply_filters( 'activitypub_post', $array ); |
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} |
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|
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public function to_json() { |
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return \wp_json_encode( $this->to_array(), \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_QUOT ); |
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} |
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|
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public function generate_id() { |
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$post = $this->post; |
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$permalink = \get_permalink( $post ); |
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|
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// replace 'trashed' for delete activity |
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return \str_replace( '__trashed', '', $permalink ); |
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} |
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|
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public function generate_attachments() { |
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$max_images = \apply_filters( 'activitypub_max_images', 3 ); |
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|
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$images = array(); |
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|
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// max images can't be negative or zero |
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if ( $max_images <= 0 ) { |
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$max_images = 1; |
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} |
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|
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$id = $this->post->ID; |
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|
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$image_ids = array(); |
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// list post thumbnail first if this post has one |
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if ( \function_exists( 'has_post_thumbnail' ) && \has_post_thumbnail( $id ) ) { |
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$image_ids[] = \get_post_thumbnail_id( $id ); |
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$max_images--; |
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} |
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// then list any image attachments |
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$query = new \WP_Query( |
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array( |
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'post_parent' => $id, |
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'post_status' => 'inherit', |
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'post_type' => 'attachment', |
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'post_mime_type' => 'image', |
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'order' => 'ASC', |
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'orderby' => 'menu_order ID', |
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'posts_per_page' => $max_images, |
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) |
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); |
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foreach ( $query->get_posts() as $attachment ) { |
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if ( ! \in_array( $attachment->ID, $image_ids, true ) ) { |
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$image_ids[] = $attachment->ID; |
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} |
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} |
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|
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$image_ids = \array_unique( $image_ids ); |
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|
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// get URLs for each image |
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foreach ( $image_ids as $id ) { |
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$alt = \get_post_meta( $id, '_wp_attachment_image_alt', true ); |
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$thumbnail = \wp_get_attachment_image_src( $id, 'full' ); |
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$mimetype = \get_post_mime_type( $id ); |
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|
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if ( $thumbnail ) { |
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$image = array( |
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'type' => 'Image', |
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'url' => $thumbnail[0], |
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'mediaType' => $mimetype, |
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); |
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if ( $alt ) { |
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$image['name'] = $alt; |
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} |
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$images[] = $image; |
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} |
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} |
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|
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return $images; |
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} |
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|
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public function generate_tags() { |
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$tags = array(); |
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|
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$post_tags = \get_the_tags( $this->post->ID ); |
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if ( $post_tags ) { |
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foreach ( $post_tags as $post_tag ) { |
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$tag = array( |
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'type' => 'Hashtag', |
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'href' => \get_tag_link( $post_tag->term_id ), |
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'name' => '#' . $post_tag->slug, |
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); |
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$tags[] = $tag; |
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} |
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} |
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|
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return $tags; |
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} |
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|
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/** |
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* Returns the as2 object-type for a given post |
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* |
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* @param string $type the object-type |
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* @param Object $post the post-object |
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* |
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* @return string the object-type |
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*/ |
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public function generate_object_type() { |
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if ( 'wordpress-post-format' !== \get_option( 'activitypub_object_type', 'note' ) ) { |
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return \ucfirst( \get_option( 'activitypub_object_type', 'note' ) ); |
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} |
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|
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$post_type = \get_post_type( $this->post ); |
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switch ( $post_type ) { |
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case 'post': |
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$post_format = \get_post_format( $this->post ); |
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switch ( $post_format ) { |
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case 'aside': |
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case 'status': |
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case 'quote': |
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case 'note': |
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$object_type = 'Note'; |
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break; |
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case 'gallery': |
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case 'image': |
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$object_type = 'Image'; |
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break; |
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case 'video': |
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$object_type = 'Video'; |
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break; |
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case 'audio': |
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$object_type = 'Audio'; |
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break; |
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default: |
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$object_type = 'Article'; |
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break; |
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} |
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break; |
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case 'page': |
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$object_type = 'Page'; |
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break; |
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case 'attachment': |
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$mime_type = \get_post_mime_type(); |
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$media_type = \preg_replace( '/(\/[a-zA-Z]+)/i', '', $mime_type ); |
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switch ( $media_type ) { |
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case 'audio': |
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$object_type = 'Audio'; |
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break; |
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case 'video': |
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$object_type = 'Video'; |
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break; |
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case 'image': |
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$object_type = 'Image'; |
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break; |
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} |
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break; |
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default: |
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$object_type = 'Article'; |
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break; |
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} |
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|
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return $object_type; |
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} |
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|
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public function generate_the_content() { |
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$post = $this->post; |
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$content = $this->get_post_content_template(); |
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|
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$content = \str_replace( '%title%', \get_the_title( $post->ID ), $content ); |
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$content = \str_replace( '%excerpt%', $this->get_the_post_excerpt(), $content ); |
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$content = \str_replace( '%content%', $this->get_the_post_content(), $content ); |
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$content = \str_replace( '%permalink%', $this->get_the_post_link( 'permalink' ), $content ); |
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$content = \str_replace( '%shortlink%', $this->get_the_post_link( 'shortlink' ), $content ); |
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$content = \str_replace( '%hashtags%', $this->get_the_post_hashtags(), $content ); |
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// backwards compatibility |
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$content = \str_replace( '%tags%', $this->get_the_post_hashtags(), $content ); |
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|
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$content = \trim( \preg_replace( '/[\r\n]{2,}/', '', $content ) ); |
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|
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$filtered_content = \apply_filters( 'activitypub_the_content', $content, $this->post ); |
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$decoded_content = \html_entity_decode( $filtered_content, \ENT_QUOTES, 'UTF-8' ); |
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|
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$allowed_html = \apply_filters( 'activitypub_allowed_html', \get_option( 'activitypub_allowed_html', ACTIVITYPUB_ALLOWED_HTML ) ); |
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|
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if ( $allowed_html ) { |
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return \strip_tags( $decoded_content, $allowed_html ); |
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} |
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|
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return $decoded_content; |
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} |
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|
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public function get_post_content_template() { |
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if ( 'excerpt' === \get_option( 'activitypub_post_content_type', 'content' ) ) { |
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return "%excerpt%\n\n<p>%permalink%</p>"; |
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} |
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|
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if ( 'title' === \get_option( 'activitypub_post_content_type', 'content' ) ) { |
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return "<p><strong>%title%</strong></p>\n\n<p>%permalink%</p>"; |
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} |
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|
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if ( 'content' === \get_option( 'activitypub_post_content_type', 'content' ) ) { |
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return "%content%\n\n<p>%hashtags%</p>\n\n<p>%permalink%</p>"; |
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} |
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|
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return \get_option( 'activitypub_custom_post_content', ACTIVITYPUB_CUSTOM_POST_CONTENT ); |
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} |
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|
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/** |
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* Get the excerpt for a post for use outside of the loop. |
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* |
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* @param int Optional excerpt length. |
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* |
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* @return string The excerpt. |
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*/ |
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public function get_the_post_excerpt( $excerpt_length = 400 ) { |
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$post = $this->post; |
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|
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$excerpt = \get_post_field( 'post_excerpt', $post ); |
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|
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if ( '' === $excerpt ) { |
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|
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$content = \get_post_field( 'post_content', $post ); |
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|
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// An empty string will make wp_trim_excerpt do stuff we do not want. |
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if ( '' !== $content ) { |
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|
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$excerpt = \strip_shortcodes( $content ); |
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|
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/** This filter is documented in wp-includes/post-template.php */ |
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$excerpt = \apply_filters( 'the_content', $excerpt ); |
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$excerpt = \str_replace( ']]>', ']]>', $excerpt ); |
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|
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$excerpt_length = \apply_filters( 'excerpt_length', $excerpt_length ); |
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|
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/** This filter is documented in wp-includes/formatting.php */ |
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$excerpt_more = \apply_filters( 'excerpt_more', ' [...]' ); |
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|
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$excerpt = \wp_trim_words( $excerpt, $excerpt_length, $excerpt_more ); |
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} |
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} |
| 297 |
|
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return \apply_filters( 'the_excerpt', $excerpt ); |
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} |
| 300 |
|
| 301 |
/** |
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* Get the content for a post for use outside of the loop. |
| 303 |
* |
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* @return string The content. |
| 305 |
*/ |
| 306 |
public function get_the_post_content() { |
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$post = $this->post; |
| 308 |
|
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$content = \get_post_field( 'post_content', $post ); |
| 310 |
|
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return \apply_filters( 'the_content', $content ); |
| 312 |
} |
| 313 |
|
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/** |
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* Adds a backlink to the post/summary content |
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* |
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* @param string $content |
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* @param WP_Post $post |
| 319 |
* |
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* @return string |
| 321 |
*/ |
| 322 |
public function get_the_post_link( $type = 'permalink' ) { |
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$post = $this->post; |
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|
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if ( 'shortlink' === $type ) { |
| 326 |
$link = \esc_url( \wp_get_shortlink( $post->ID ) ); |
| 327 |
} elseif ( 'permalink' === $type ) { |
| 328 |
$link = \esc_url( \get_permalink( $post->ID ) ); |
| 329 |
} else { |
| 330 |
return ''; |
| 331 |
} |
| 332 |
|
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return \sprintf( '<a href="%1$s">%1$s</a>', $link ); |
| 334 |
} |
| 335 |
|
| 336 |
/** |
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* Adds all tags as hashtags to the post/summary content |
| 338 |
* |
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* @param string $content |
| 340 |
* @param WP_Post $post |
| 341 |
* |
| 342 |
* @return string |
| 343 |
*/ |
| 344 |
public function get_the_post_hashtags() { |
| 345 |
$post = $this->post; |
| 346 |
$tags = \get_the_tags( $post->ID ); |
| 347 |
|
| 348 |
if ( ! $tags ) { |
| 349 |
return ''; |
| 350 |
} |
| 351 |
|
| 352 |
$hash_tags = array(); |
| 353 |
|
| 354 |
foreach ( $tags as $tag ) { |
| 355 |
$hash_tags[] = \sprintf( '<a rel="tag" class="u-tag u-category" href="%s">#%s</a>', \get_tag_link( $tag ), $tag->slug ); |
| 356 |
} |
| 357 |
|
| 358 |
return \implode( ' ', $hash_tags ); |
| 359 |
} |
| 360 |
} |
| 361 |
|
