WordPress plugin for API consumption

fetch.php

<?php
/**
 * @package WooCommerce API Data Builder
 * @version 0.4
 */
/*
Plugin Name: API Data Builder
Description: Creates REST API endpoint & builds the JSON response from the WooCommerce API
Author: Josh Loomis
Version: 0.4
*/


function aa_fetch_products() {

	// Prep the array we're going to populate.
	$results = [];
	$this_product = [];
	$this_meta = [];
	$available_variations = [];

	// Declare our other variables.
	$consumer_key = '/* enter key here */';
	$consumer_secret = '/* enter secret here*/';
	// $category = '1803';

	// Set up the API call.
	$api_url = get_site_url(null,'','https');

	$api_url .= '/wp-json/wc/v3/products';

	$api_url .= '?consumer_key=';
	$api_url .= $consumer_key;

	$api_url .= '&consumer_secret=';
	$api_url .= $consumer_secret;

	$api_url .= '&page=';

	$query = new WC_Product_Query( array(
		'limit' => -1,
		'orderby' => 'date',
		'order' => 'DESC',
		'return' => 'ids',
	) );

	$products = $query->get_products();

	$export = [];

	foreach($products as $product_id) {

		$product_array = [];
		$product = new WC_Product_Variable($product_id);

		// if(! product_is_rentable($product)) continue;

		$product_array["id"] = $product_id;
		$product_array["type"] = $product->get_type();
		$product_array["name"] = $product->get_name();
		$product_array["sku"] = $product->get_sku(); 
		$product_array["permalink"] = get_permalink($product->get_id() );
		$product_array["price"] = $product->get_price(); 

		$product_array["thumbnail"] = get_the_post_thumbnail_url($product->get_id(), 'full' );

		/**
		 * Extract attributes as variations
		 */
		foreach($product->get_attributes() as $product_attributes) {
			$product_array['variations'] = $product_attributes->get_data()['options'];
		}

		/**
		 * Meta keys we care about
		 */

		$meta_keys = ['is_recommended_gear', 'is_for_sale', 'is_for_rent', 'gear_list_key'];

		foreach($product->get_meta_data() as $meta) {
			if(in_array($meta->key, $meta_keys)) {
				$product_array[$meta->key] = $meta->value;
			}
		}

		if($product_array["gear_list_key"] != "") {
			array_push($export, $product_array);
		}
	}

	//pp($export);

	echo json_encode($export);
	exit;

}

/*****************************************/
// Create our custom REST API endpoint.

add_action('rest_api_init', function() {

	// register_rest_route($namespace, $route, $args = array())	

	register_rest_route( 'fetch/v1', '/products', array(
		'methods' => 'GET', // We want this to be one-way.
		'callback' => 'aa_fetch_products', // Calls the function above.
	) );

} );

function pp($var) {

	echo "<pre>";
	print_r($var);
	exit;

}

?>