feat: refactored sql calls for p2p handling | prep p2p posts with custom keys | added p2p rest endpoints

plugins/cia-endpoints/includes/class.make-endpoint.php

 <?php
 
 include('reformat-blocks.php');
+include('related-items.php');
 
 class Make_Endpoint_For extends WP_REST_Controller {
     private $post_type;
         $filtered[content] = $item->post_content;
         $filtered[blocks] = get_rearrange_blocks($item->blocks);
         $filtered[hero] = get_post_meta( $item->ID, 'hero_header', true );
-        
+        $filtered[relatedto] = p2p_related_to($item->ID, $item->post_type);
         // Log the request with PHP Console
         if ( class_exists( 'PC' ) ) PC::debug( $item, 'Blocks' );
         
         return $filtered;
-        // return $item;
     }
 }
 

plugins/cia-endpoints/includes/related-items.php

+<?php
+
+function grab_ids_related_to_and_from($id_to_remove, $p2p_res) {
+    $related_to_ids = array_map(function($post) { 
+        return (int)$post->p2p_to;
+    }, $p2p_res);
+    $related_from_ids = array_map(function($post) { 
+        return (int)$post->p2p_from;
+    }, $p2p_res);
+
+    $unfiltered = array_merge($related_to_ids, $related_from_ids);
+    $deduped = array_unique($unfiltered);
+
+    return array_diff( $deduped, array($id_to_remove) );
+}
+
+function prepare_related_items($args) {
+    // Rearrange what fields get shown
+    $collection = array();
+    
+    forEach( get_posts($args) as $item ) {
+        $filtered = array();
+        $filtered[id] = $item->ID;
+        $filtered[slug] = $item->post_name;
+        $filtered[type] = $item->post_type;
+        $filtered[title] = $item->post_title;
+        $filtered[excerpt] = $item->post_excerpt;
+        $filtered[date] = $item->post_date;
+        $filtered[content] = $item->post_content;
+        $filtered[hero] = get_post_meta( $item->ID, 'hero_header', true );
+        $collection[$item->ID] = $filtered;
+    };
+    wp_reset_postdata();
+    
+    return $collection;
+}
+
+function p2p_related_to($id, $type) {
+    global $wpdb;
+    $to_type = '%_to_' . $type;
+    $from_type = $type . '_to_%';
+
+    $res = $wpdb->get_results($wpdb->prepare(
+        "SELECT * FROM wp_p2p
+        WHERE p2p_from = %d
+        OR p2p_to = %d",
+        $id, $id
+    ));
+    
+    $related_posts_ids = grab_ids_related_to_and_from($id, $res);
+
+    // Use IDs to get posts from the wpdb
+    $args = array(
+        'numberposts' => -1,
+        'post_type' => 'any',
+        'include' => $related_posts_ids
+    );
+    
+    return prepare_related_items($args);
+}
+
+?>