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<?php |
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/** |
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* Module Name: Copy Post |
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* Module Description: Copy an existing post's content into a new post. |
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* Jumpstart Description: Copy an existing post's content into a new post. |
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* Sort Order: 15 |
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* First Introduced: 6.9 |
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* Requires Connection: No |
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* Auto Activate: No |
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* Module Tags: Writing |
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* Feature: Writing |
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* Additional Search Queries: copy, duplicate |
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*/ |
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class Jetpack_Copy_Post_By_Param { |
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function __construct() { |
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// Add row actions to post/page/CPT listing screens. |
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if ( 'edit.php' === $GLOBALS[ 'pagenow' ] ) { |
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add_filter( 'post_row_actions', array( $this, 'add_row_action' ), 10, 2 ); |
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add_filter( 'page_row_actions', array( $this, 'add_row_action' ), 10, 2 ); |
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return; |
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} |
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// Process any `?copy` param if on a create new post/page/CPT screen. |
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if ( ! empty( $_GET[ 'copy' ] ) && 'post-new.php' === $GLOBALS[ 'pagenow' ] ) { |
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add_action( 'wp_insert_post', array( $this, 'update_post_data' ), 10, 3 ); |
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} |
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} |
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protected function user_can_edit_post( $post ) { |
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return get_current_user_id() === (int) $post[ 'post_author' ] || current_user_can( 'edit_others_posts' ); |
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} |
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function update_post_data( $post_ID, $post, $update ) { |
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if ( $update ) { |
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return; |
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} |
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$source_post = get_post( $_GET['copy'], ARRAY_A ); |
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if ( ! $source_post || ! $this->user_can_edit_post( $source_post ) ) { |
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return; |
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} |
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// Required to satify get_default_post_to_edit(), which has these filters after post creation. |
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add_filter( 'default_title', array( $this, 'filter_title' ), 10, 2 ); |
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add_filter( 'default_content', array( $this, 'filter_content' ), 10, 2 ); |
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add_filter( 'default_excerpt', array( $this, 'filter_excerpt' ), 10, 2 ); |
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$data = apply_filters( 'jetpack_copy_post_data', array( |
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'ID' => $post_ID, |
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'post_title' => $source_post[ 'post_title' ], |
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'post_content' => $source_post[ 'post_content' ], |
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'post_excerpt' => $source_post[ 'post_excerpt' ], |
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'post_category' => $source_post[ 'post_category' ], |
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'tags_input' => $source_post[ 'tags_input' ], |
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) ); |
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do_action( 'jetpack_copy_post' ); |
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wp_update_post( $data ); |
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} |
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function filter_title( $post_title, $post ) { |
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return $post->post_title; |
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} |
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function filter_content( $post_content, $post ) { |
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return $post->post_content; |
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} |
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function filter_excerpt( $post_excerpt, $post ) { |
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return $post->post_excerpt; |
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} |
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function add_row_action( $actions, $post ) { |
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$edit_url = add_query_arg( array( |
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'copy' => $post->ID, |
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'_wpnonce' => wp_create_nonce( 'jetpack-copy-post' ), |
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), admin_url( 'post-new.php' ) ); |
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$edit_action = array( |
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'copy' => sprintf( |
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'<a href="%s" aria-label="%s">%s</a>', |
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esc_url( $edit_url ), |
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esc_attr( __( 'Copy this post.' ) ), |
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__( 'Copy' ) |
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), |
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); |
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// Insert the Copy action before the Trash action. |
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$edit_offset = array_search( 'trash', array_keys( $actions ), true ); |
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$actions = array_merge( |
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array_slice( $actions, 0, $edit_offset ), |
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$edit_action, |
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array_slice( $actions, $edit_offset ) |
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); |
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return $actions; |
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} |
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} |
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function jetpack_copy_post_by_param_init() { |
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new Jetpack_Copy_Post_By_Param(); |
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} |
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add_action( 'admin_init', 'jetpack_copy_post_by_param_init' ); |
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Automattic /
jetpack
