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Author: mwargan

WPRestApiByParentCat.php

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+<?php
+/*
+Plugin Name: Get by taxonomy/category parent for WP REST API
+Description: Add the ability to get posts by the parent category in the WordPress REST API.
+Author: M Media
+Version: 1.0.0
+Author URI: https://profiles.wordpress.org/Mmediagroup/
+License: GPL2
+License URI: https://www.gnu.org/licenses/gpl-2.0.html
+
+{Plugin Name} is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+any later version.
+
+{Plugin Name} is distributed in the hope that it will be useful to Cartes.io clients,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with {Plugin Name}. If not, see {License URI}.
+ */
+
+defined('ABSPATH') or die('No script kiddies please!');
+
+// Add parent_category filter to REST API
+if (!function_exists('wprabpc_wp_rest_api_by_parent_category')) {
+    function wprabpc_wp_rest_api_by_parent_category($args, $request)
+    {
+        if (isset($request['parent_category'])) {
+            $parent_category = sanitize_text_field($request['parent_category']);
+            $args['tax_query'] = [
+                [
+                    'taxonomy' => 'category',
+                    'field' => 'term_id',
+                    'include_children' => true,
+                    'operator' => 'IN',
+                    'terms' => $parent_category,
+                ],
+            ];
+        }
+        return $args;
+    }
+    add_filter('rest_post_query', 'wprabpc_wp_rest_api_by_parent_category', 10, 3);
+}

readme.txt

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+=== Get by taxonomy/category parent for WP REST API ===
+Contributors: mmediagroup
+Donate link: https://github.com/sponsors/M-Media-Group
+Tags: rest-api, api, wp-api
+Requires at least: 4.6
+Tested up to: 5.6
+Requires PHP: 7.2
+Stable tag: trunk
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+
+Add the ability to get posts by the parent category in the WordPress REST API.
+
+== Description ==
+
+Add the ability to get posts by the parent category in the WordPress REST API.
+
+= Usage =
+
+You can use the new endpoint with: `/wp-json/wp/v2/posts?parent_category=[XXX]`
+
+== Features ==
+
+1. 100% free
+2. Get posts by the category they belong in (including parent, grandparent, etc categories)
+
+== Installation ==
+
+1. Search for the "Get by taxonomy/category parent for WP REST API" plugin in Plugins > Add New.
+2. Press "Install Now".
+3. When the installation is complete, press "Activate plugin".
+
+== Frequently Asked Questions ==
+
+= Is it free? =
+
+Yes, this plugin is free to use.
+
+== Changelog ==
+
+= 1.0 =
+* Initial commit.
+
+== Upgrade Notice ==
+= 1.0 =
+If you're not on 1.0 - are you really living?
+
+== Privacy policy ==
+This plugin works locally. No data is sent to other servers, or stored anywhere.