* * Copyright 2008-2011 Crowd Favorite, Ltd. All rights reserved. * Released under the GPL license * http://www.opensource.org/licenses/gpl-license.php */ /** * Get all (as of 1.2, there will be only 1) immediate clones * * @param int $post_id * @return array|bool False if no clones found, array otherwise */ function annowf_get_clones($post_id) { return get_post_meta($post_id, '_anno_posts_cloned', true); } /** * Get the post that this one is cloned from * * @param int $post_id * @return int|bool False if no parent found, post ID otherwise */ function annowf_get_cloned_from_id($post_id) { return get_post_meta($post_id, '_anno_cloned_from', true); } /** * Load cloned metabox when cloned from or clone exists */ function annowf_clone_meta_box_setup() { global $post; // Clone data meta box. Only display if something has been cloned from this post, or it is a clone itself. // Pass these in as callback args to prevent another 2 get_post_meta calls $clones = annowf_get_clones($post->ID); $cloned_from = annowf_get_cloned_from_id($post->ID); if (!empty($clones) || !empty($cloned_from)) { add_meta_box('anno-cloned', _x('Versions', 'Meta box title', 'anno'), 'annowf_cloned_meta_box', 'article', 'side', 'low', array('cloned_from' => $cloned_from, 'clones' => $clones)); } } add_action('add_meta_boxes_article', 'annowf_clone_meta_box_setup'); /** * Metabox for posts that have been cloned from this post */ function annowf_cloned_meta_box($post, $metabox) { $cloned_from = $metabox['args']['cloned_from']; $cloned_from_post = get_post($cloned_from_post); if (!$cloned_from_post) { return; } ?>

'.esc_html($cloned_post->post_title).''; ?>

'.esc_html($cloned_post->post_title).''; } } } ?>

ID) && $post->post_type == 'article') { add_action('admin_head', 'annowf_clone_admin_js'); } } add_action('admin_head', 'annowf_clone_prevent_title_edit', 0); /** * Prevent any insert cloned posts from changing the title, * Unless a user is an admin * * @param array $data * @param array $postarr */ function annowf_clone_prevent_title_save($data, $postarr) { if ( !anno_user_can('administrator') && isset($postarr['ID']) && annowf_is_clone($postarr['ID']) && $data['post_type'] == 'article' ) { // Reset data to the old $old_post = get_post($postarr['ID']); if ($old_post) { $data['post_title'] = $old_post->post_title; } } return $data; } add_action('wp_insert_post_data', 'annowf_clone_prevent_title_save', 10, 2); /** * Clones a post and inserts it into the DB. Maintains all post properties (no post_meta). Also * saves the association on both posts. * * @param int $orig_id The original ID of the post to clone from * @return int|bool The newly created (clone) post ID. false if post failed to insert. * @todo Clone post-meta */ function annowf_clone_post($orig_id) { global $current_user; $post = get_post($orig_id); if (empty($post)) { return false; } $article_tags = wp_get_object_terms($orig_id, 'article_tag'); // Need the slugs for non-heirarchical, no params to return the slug $ti_article_tags = array(); foreach ($article_tags as $article_tag) { $ti_article_tags[] = $article_tag->slug; } $article_categories = wp_get_object_terms($orig_id, 'article_category', array('fields' => 'ids')); array_walk($article_categories, 'intval'); // Form the new cloned post $new_post = array( 'post_author' => $current_user->ID, 'post_status' => 'draft', 'post_title' => $post->post_title, 'post_content_filtered' => $post->post_content_filtered, 'post_content' => $post->post_content, 'post_excerpt' => $post->post_excerpt, 'post_type' => $post->post_type, 'post_parent' => $post->post_parent, 'tax_input' => array( 'article_tag' => $ti_article_tags, 'article_category' => $article_categories, ), ); remove_filter('wp_insert_post_data', 'anno_insert_post_data', null, 2); $new_id = wp_insert_post($new_post); add_filter('wp_insert_post_data', 'anno_insert_post_data', null, 2); // Add to clone/cloned post meta if ($new_id) { $posts_cloned = get_post_meta($orig_id, '_anno_posts_cloned', true); if (!is_array($posts_cloned)) { $posts_cloned = array($new_id); } else { $posts_cloned[] = $new_id; } update_post_meta($orig_id, '_anno_posts_cloned', $posts_cloned); update_post_meta($new_id, '_anno_cloned_from', $orig_id); annowf_clone_post_meta($orig_id, $new_id); annowf_clone_post_attachments($orig_id, $new_id); } return $new_id; } /** * Clone relevant post meta * * @param int $orig_post_id * @param int $new_post_id * @return bool false if one of the posts do not exist, true otherwise */ function annowf_clone_post_meta($orig_post_id, $new_post_id) { if (!get_post($orig_post_id) || !get_post($new_post_id)) { return false; } $clone_meta_keys = array( '_anno_appendices' => 1, '_anno_appendices_html' => 1, '_anno_acknowledgements' => 1, '_anno_funding' => 1, '_anno_subtitle' => 1, '_anno_author_order' => 1, '_anno_references' => 1, ); // _post_state => draft applied on insert in annowf_clone_post() // Single query instead of looping through and using get_post_meta $meta_data = get_metadata('post', $orig_post_id); foreach ($meta_data as $meta_key => $meta_value) { if (isset($clone_meta_keys[$meta_key]) || strpos($meta_key, '_anno_author_') !== false) { // get_metadata returns and array of arrays. In no instance should there be an array with // more than one element (multiple rows with the same meta_key in db) update_post_meta($new_post_id, $meta_key, maybe_unserialize($meta_value[0])); } } return true; } /** * Clone attachments, account for potentially new thumbnail id * and content with potential of image should update too * * @param int $orig_post_id * @param int $new_post_id * @return bool false if one of the posts do not exist, true otherwise */ function annowf_clone_post_attachments($orig_post_id, $new_post_id) { // Used later for content remapping $new_post = get_post($new_post_id); if (!get_post($orig_post_id) || !$new_post) { return false; } $thumb_id = get_post_meta($orig_post_id, '_thumbnail_id', true); $query = new WP_Query(array( 'posts_per_page' => -1, 'post_type' => 'attachment', 'post_parent' => $orig_post_id, 'post_status' => 'inherit', )); if (!empty($query->posts) && is_array($query->posts)) { $content_remap = array(); foreach ($query->posts as $attachment) { // Get the file $orig_file_path = get_attached_file($attachment->ID, true); $orig_file = @file_get_contents($orig_file_path); if ($orig_file) { $attachment_array = (array) $attachment; $attachment_id = $attachment->ID; $attachment_array['post_parent'] = $new_post_id; // New attachment, unset ID to prevent updating the current unset($attachment_array['ID']); // Put the new file in the directory $new_file = wp_upload_bits(basename($orig_file_path), null, $orig_file); if (isset($new_file['file'])) { $new_attachment_id = wp_insert_attachment($attachment_array, $new_file['file']); if (!is_wp_error($new_attachment_id) && !empty($new_attachment_id)) { // Generate sizes wp_update_attachment_metadata($new_attachment_id, wp_generate_attachment_metadata($new_attachment_id, $new_file['file'])); // New post should have cloned thumbnail ID if ($attachment_id == $thumb_id) { $thumb_id = $new_attachment_id; } // Generate all relevant URLs, store old urls => new urls foreach (get_intermediate_image_sizes() as $size) { $old_data = wp_get_attachment_image_src($attachment->ID, $size); $old_url = str_replace(' ', '%20', $old_data[0]); $new_data = wp_get_attachment_image_src($new_attachment_id, $size); $new_url = str_replace(' ', '%20', $new_data[0]); $content_remap[$old_url] = $new_url; } } } } } if (!empty($new_post_id)) { update_post_meta($new_post_id, '_thumbnail_id', $thumb_id); } // Replace post_content, post_content_filtered, post_excerpt, meta if (!empty($content_remap)) { $replacement_meta_keys = array( '_anno_appendices', '_anno_appendices_html', '_anno_funding', '_anno_acknowledgements', ); $meta_data = get_metadata('post', $new_post_id); $replacement_meta = array(); foreach ($content_remap as $old_url => $new_url) { foreach ($replacement_meta_keys as $meta_key) { if (isset($meta_data[$meta_key][0])) { // get_metadata returns and array of arrays. In no instance should there be an array with // more than one element (multiple rows with the same meta_key in db) $replacement_meta[$meta_key] = str_replace($old_url, $new_url, maybe_unserialize($meta_data[$meta_key][0])); } } $new_post->post_content = str_replace($old_url, $new_url, $new_post->post_content); $new_post->post_content_filtered = str_replace($old_url, $new_url, $new_post->post_content_filtered); $new_post->post_excerpt = str_replace($old_url, $new_url, $new_post->post_excerpt); } // Update post remove_filter('wp_insert_post_data', 'anno_insert_post_data', null, 2); wp_update_post($new_post); add_filter('wp_insert_post_data', 'anno_insert_post_data', null, 2); // Update meta foreach ($replacement_meta_keys as $meta_key) { if (isset($replacement_meta[$meta_key])) { update_post_meta($new_post_id, $meta_key, $replacement_meta[$meta_key]); } } } } return true; } /** * Modify home query to only pull the latest posts */ function annowf_clone_home_filter($query) { remove_filter('pre_get_posts', 'anno_clone_home_filter'); // Get all posts that are published and have the _anno_cloned_from meta if ($query->is_front_page() && $query->is_main_query()) { $clones = new WP_Query(array( 'posts_per_page' => -1, 'post_type' => 'article', 'post_status' => 'publish', 'meta_query' => array( 'key' => '_anno_cloned_from', 'value' => 0, 'compare' => '!=', ), 'fields' => 'ids', )); // Exclude any clones if (!empty($clones->posts)) { $exclude_ids = annowf_get_cloned_from($clones->posts); if (!empty($exclude_ids)) { $query->set('post__not_in', $exclude_ids); } } } } add_filter('pre_get_posts', 'annowf_clone_home_filter'); /** * Get all posts that a set of IDs are cloned from * * @param array $post_ids Array of post_ids * @return array Array of post ids that this set of posts is cloned from */ function annowf_get_cloned_from($post_ids) { if (is_array($post_ids) && !empty($post_ids)) { global $wpdb; $post_ids_prepared = array(); foreach ($post_ids as $post_id) { $post_ids_prepared[] = $wpdb->prepare('%d', $post_id); } if (!empty($post_ids_prepared)) { $query = " SELECT `meta_value` FROM $wpdb->postmeta WHERE `meta_key` = '_anno_cloned_from' AND `post_id` IN (".implode(',', $post_ids_prepared).") "; $exclude_ids = $wpdb->get_col($query); if (is_array($exclude_ids)) { return $exclude_ids; } } } return array(); } /** * Gets ancestors this post has been cloned from * * @param int $post_id * @return array Array of post ids in the clone line */ function annowf_clone_get_ancestors($post_id) { $ancestors = array(); do { $cloned_from = $post_id = annowf_get_cloned_from_id($post_id); if (!empty($cloned_from)) { $ancestors[] = $cloned_from; } } while (!empty($cloned_from)); return $ancestors; } /** * Gets all subsequent child clones * Since this method's inception, all clones are linear * so it does not travel outside of the first clone's path * * @param int $post_id * @return array Array of post IDs */ function annowf_clone_get_children($post_id) { $children = array(); do { $child_array = annowf_get_clones($post_id); if (!empty($child_array) && is_array($child_array)) { $children[] = $post_id = $child_array[0]; } } while (!empty($child_array)); return $children; } function annowf_clone_get_family($post_id) { $ancestors = annowf_clone_get_ancestors($post_id); $children = annowf_clone_get_children($post_id); return array_unique(array_merge($ancestors, $children)); } /** * Provide a dropdown of major revisions of an article */ function annowf_get_clone_dropdown($post_id) { $family_ids = annowf_clone_get_family($post_id); $markup = ''; $inside = ''; if (!empty($family_ids) && is_array($family_ids)) { // Only add this id if there are other revisions $family_ids[] = $post_id; // Only get articles that are published in the set of family ids $query = new WP_Query(array( 'post__in' => $family_ids, 'post_status' => 'publish', 'posts_per_page' => -1, 'post_type' => 'article', )); if (!empty($query->posts)) { $i = count($query->posts); foreach ($query->posts as $post) { $inside .= 'ID, $post_id, false).'>'.esc_html(sprintf(_x('Edition %d - ', 'revision number', 'anno'), $i).mysql2date(get_option('date_format'), $post->post_date)).''; $i--; } } wp_reset_query(); } if (!empty($inside)) { $markup = ' '.$inside.' '; } return $markup; } ?>