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

<?php
include('settings.php');
include('reformat-blocks.php');
include('related-items.php');
include('formats.php');

class Make_Endpoint_For extends WP_REST_Controller {
    private $post_type;
    function __construct($post_type) {
        $this->post_type = $post_type;
    }
    /**
     * Register the routes for the objects of the controller.
     */
    public function register_custom_route($route) {
        $version = '2';
        $namespace = 'craft/v' . $version;

        register_rest_route( $namespace, '/' . $route, [
            array(
                'methods'  => WP_REST_Server::READABLE,
                'callback' => array( $this, 'get_items' )
            ),
        ]);
        register_rest_route( $namespace, '/' . $route . '/(?P<id>[\d]+)', [
            array(
                'methods'  => WP_REST_Server::READABLE,
                'callback' => array( $this, 'get_items' )
            ),
        ]);
    }

    public function get_items( $request ) {
        $args = array(
            'numberposts' => -1,
            'post_type' => $this->post_type,
            // Order DOES NOT WORK because you're
            // returning the posts by id - DUH
            // 'orderby' => 'date',
            // 'order' => 'DESC'
        );
        
        // Get parameters from request
        // /<id>?limit=<num>
        $params = $request->get_params();
        if(intval($params['limit']) > 0) { $args['numberposts'] = intval($params['limit']); }
        if(intval($params['id']) > 0) { $args['include'] = array($params['id']); }
        // !: Add order asc/desc
        // !: Add orderby
        
        return new WP_REST_Response( $this->prepare_item_for_response($args), 200 );
    }

    private function _getAttachments($item, $galleries) {
        // Get media
        $desiredSizes = ['thumbnail', 'medium', 'large', 'full'];
		$all_image_ids_in_gallery = array();
		$all_image_ids = array();
		foreach ($galleries as $gallery) {
			array_push($all_image_ids_in_gallery, $gallery[ids]);
        }
		foreach ($all_image_ids_in_gallery as $ids) {
			foreach ($ids as $id) {
				array_push($all_image_ids, $id);
			}
		}
		$attachment_map = array();
		foreach ($all_image_ids as $id) {
			$imageSizes = array();
            foreach ($desiredSizes as $size) {	
                $imageSizes[$size] = wp_get_attachment_image_url($id, $size);
			}
            // store size:url map under image id
			$attachment_map[$id] = $imageSizes;
        }
    	return $attachment_map;
    }

    public function prepare_item_for_response( $args ) {
        $collection = array();
        
        // https://developer.wordpress.org/reference/functions/get_posts/
        foreach( get_posts($args) as $item ) {
            $filtered = default_post_format($item);
            
            // Get those Block!
            $filtered[blocks] = get_rearrange_blocks(
                parse_blocks( $item->post_content )
            );
            
            // Galleries From blocks
            $media_ids = array();
            foreach ( get_attached_media( '', $item->ID ) as $attached_media ):
                array_push($media_ids, $attached_media->ID);
            endforeach;
            $filtered[galleries] = get_ids_from_gallery_block(
                parse_blocks( $item->post_content )
            );

            // Find all image info
            $filtered[attached] = $this->_getAttachments($item, $filtered[galleries]);

            // For your hero URL
            $filtered[hero] = get_post_meta( $item->ID, 'hero_header', true );
            
            $filtered[relatedto] = p2p_related_to($item->ID, $item->post_type);

            $collection[$item->ID] = $filtered;
        }
        wp_reset_postdata();

        return $collection;
    }
}

?>