fd83e4810b
Initial public release of BreznFlow, an n8n workflow renderer for WordPress. Fully PHPCS-compliant (WordPress Coding Standards), security-hardened, and ready for WordPress.org plugin review. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
106 lines
2.6 KiB
PHP
106 lines
2.6 KiB
PHP
<?php
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/**
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* Finds related workflows by shared node types.
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*
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* @package BreznFlow
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* @since 1.0.0
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*/
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namespace BreznFlow\Features;
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Finds and displays workflows related by shared node types.
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*
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* @since 1.0.0
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*/
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class RelatedWorkflows {
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/**
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* Registers related workflows hooks.
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*
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* @since 1.0.0
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* @return void
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*/
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public function register(): void {
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// Can be extended to add hooks for related workflow display.
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}
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/**
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* Gets related workflows by shared node types.
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* Results are cached in a transient for 1 hour.
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*
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* @param int $post_id Workflow post ID.
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* @param int $limit Max number of related workflows to return.
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* @return array Array of WP_Post objects.
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*/
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public static function get( int $post_id, int $limit = 5 ): array {
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$settings = get_option( 'breznflow_settings', array() );
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if ( isset( $settings['related_workflows'] ) && ! $settings['related_workflows'] ) {
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return array();
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}
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$cache_key = 'breznflow_related_' . $post_id;
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$cached = get_transient( $cache_key );
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if ( false !== $cached ) {
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return $cached;
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}
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$summary = get_post_meta( $post_id, '_breznflow_node_summary', true );
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if ( ! $summary ) {
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return array();
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}
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$node_types = array_keys( (array) json_decode( $summary, true ) );
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if ( empty( $node_types ) ) {
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return array();
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}
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// Search other workflows with overlapping node types.
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$related = get_posts(
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array(
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'post_type' => 'breznflow_workflow',
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'post_status' => 'publish',
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'posts_per_page' => $limit,
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'post__not_in' => array( $post_id ), // phpcs:ignore WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in
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'meta_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
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array(
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'key' => '_breznflow_node_summary',
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'compare' => 'EXISTS',
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),
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),
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)
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);
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// Filter by shared node types.
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$scored = array();
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foreach ( $related as $post ) {
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$other_summary = get_post_meta( $post->ID, '_breznflow_node_summary', true );
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if ( ! $other_summary ) {
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continue;
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}
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$other_types = array_keys( (array) json_decode( $other_summary, true ) );
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$shared = count( array_intersect( $node_types, $other_types ) );
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if ( $shared > 0 ) {
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$scored[] = array(
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'post' => $post,
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'shared' => $shared,
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);
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}
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}
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usort(
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$scored,
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static function ( $a, $b ) {
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return $b['shared'] - $a['shared'];
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}
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);
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$result = array_column( array_slice( $scored, 0, $limit ), 'post' );
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set_transient( $cache_key, $result, HOUR_IN_SECONDS );
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return $result;
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}
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}
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