Algolia_Woo_Indexer::init() - Code Metrics - Inspection of "Merge pull request #117 from w3bdesign/develop" - w3bdesign/algolia-woo-indexer - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 636ed8...d9712a )

by Daniel

created 2021-02-08 02:30 UTC

Algolia_Woo_Indexer::init() B

↳ Parent: Project

Complexity

Conditions	6
Paths	10

Size

Total Lines	55
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	6
eloc	24
c	2
b	0
f	0
nc	10
nop	0
dl	0
loc	55
rs	8.9137

How to fix Long Method

<?php
/**
 * Main Algolia Woo Indexer class
 * Called from main plugin file algolia-woo-indexer.php
 *
 * @package algolia-woo-indexer
 */

namespace Algowoo;

use \Algowoo\Algolia_Check_Requirements as Algolia_Check_Requirements;
use \Algowoo\Algolia_Verify_Nonces as Algolia_Verify_Nonces;

/**
 * Abort if this file is called directly
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Include plugin file if function is_plugin_active does not exist
 */
if (! function_exists('is_plugin_active')) {
    require_once(ABSPATH . '/wp-admin/includes/plugin.php');
}

/**
 * Define the plugin version and the database table name
 */
define( 'ALGOWOO_DB_OPTION', '_algolia_woo_indexer' );
define( 'ALGOWOO_CURRENT_DB_VERSION', '0.3' );

/**
 * Define application constants
 */
define( 'CHANGE_ME', 'change me' );

/**
 * Database table names
 */
define('INDEX_NAME', '_index_name');
define('AUTOMATICALLY_SEND_NEW_PRODUCTS', '_automatically_send_new_products');
define('ALGOLIA_APPLICATION_ID', '_application_id');
define('ALGOLIA_API_KEY', '_admin_api_key');

if ( ! class_exists( 'Algolia_Woo_Indexer' ) ) {
	/**
	 * Algolia WooIndexer main class
	 */
	class Algolia_Woo_Indexer {

		const PLUGIN_NAME      = 'Algolia Woo Indexer';
		const PLUGIN_TRANSIENT = 'algowoo-plugin-notice';

		/**
		 * Class instance
		 *
		 * @var object
		 */
		private static $instance;

		/**
		 * The plugin URL
		 *
		 * @var string
		 */
		private static $plugin_url = '';

		/**
		 * The Algolia instance
		 *
		 * @var string
		 */
		private static $algolia = null;

		/**
		 * Class constructor
		 *
		 * @return void
		 */
		public function __construct() {
			$this->init();
		}

		/**
		 * Setup sections and fields to store and retrieve values from Settings API
		 *
		 * @return void
		 */
		public static function setup_settings_sections() {
			/**
			* Setup arguments for settings sections and fields
			*
			* @see https://developer.wordpress.org/reference/functions/register_setting/
			*/
			if ( is_admin() ) {
				$arguments = array(
					'type'              => 'string',
					'sanitize_callback' => 'settings_fields_validate_options',
					'default'           => null,
				);
				register_setting( 'algolia_woo_options', 'algolia_woo_options', $arguments );

				/**
				 * Make sure we reference the instance of the current class by using self::get_instance()
				 * This way we can setup the correct callback function for add_settings_section and add_settings_field
				 */
				$algowooindexer = self::get_instance();

				/**
				 * Add our necessary settings sections and fields
				 */
				add_settings_section(
					'algolia_woo_indexer_main',
					esc_html__( 'Algolia Woo Plugin Settings', 'algolia-woo-indexer' ),
					array( $algowooindexer, 'algolia_woo_indexer_section_text' ),
					'algolia_woo_indexer'
				);
				add_settings_field(
					'algolia_woo_indexer_application_id',
					esc_html__( 'Application ID', 'algolia-woo-indexer' ),
					array( $algowooindexer, 'algolia_woo_indexer_application_id_output' ),
					'algolia_woo_indexer',
					'algolia_woo_indexer_main'
				);
				add_settings_field(
					'algolia_woo_indexer_admin_api_key',
					esc_html__( 'Admin API Key', 'algolia-woo-indexer' ),
					array( $algowooindexer, 'algolia_woo_indexer_admin_api_key_output' ),
					'algolia_woo_indexer',
					'algolia_woo_indexer_main'
				);
				add_settings_field(
					'algolia_woo_indexer_index_name',
					esc_html__( 'Index name (will be created if not existing)', 'algolia-woo-indexer' ),
					array( $algowooindexer, 'algolia_woo_indexer_index_name_output' ),
					'algolia_woo_indexer',
					'algolia_woo_indexer_main'
				);
				add_settings_field(
					'algolia_woo_indexer_automatically_send_new_products',
					esc_html__( 'Automatically index new products', 'algolia-woo-indexer' ),
					array( $algowooindexer, 'algolia_woo_indexer_automatically_send_new_products_output' ),
					'algolia_woo_indexer',
					'algolia_woo_indexer_main'
				);
			}
		}

		/**
		 * Output for admin API key field
		 *
		 * @see https://developer.wordpress.org/reference/functions/wp_nonce_field/
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_admin_api_key_output() {
			$api_key = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
			$api_key = is_string($api_key) ? $api_key : CHANGE_ME;

			wp_nonce_field( 'algolia_woo_indexer_admin_api_nonce_action', 'algolia_woo_indexer_admin_api_nonce_name' );

			echo "<input id='algolia_woo_indexer_admin_api_key' name='algolia_woo_indexer_admin_api_key[key]'
				type='text' value='" . esc_attr( $api_key ) . "' />";
		}

		/**
		 * Output for application ID field
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_application_id_output() {
			$application_id = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
			$application_id = is_string($application_id) ? $application_id : CHANGE_ME;

			echo "<input id='algolia_woo_indexer_application_id' name='algolia_woo_indexer_application_id[id]'
				type='text' value='" . esc_attr( $application_id ) . "' />";
		}

		/**
		 * Output for index name field
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_index_name_output() {
			$index_name = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );
			$index_name = is_string($index_name) ? $index_name : CHANGE_ME;

			echo "<input id='algolia_woo_indexer_index_name' name='algolia_woo_indexer_index_name[name]'
				type='text' value='" . esc_attr( $index_name ) . "' />";
		}
		
		/**
		 * Output for checkbox to check if we automatically send new products to Algolia
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_automatically_send_new_products_output() {
			/**
			 * Sanitization is not really needed as the variable is not directly echoed
			 * But I have still done it to be 100% safe
			 */
			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );
			$automatically_send_new_products = ( ! empty( $automatically_send_new_products ) ) ? 1 : 0;
			?>
			<input id="algolia_woo_indexer_automatically_send_new_products" name="algolia_woo_indexer_automatically_send_new_products[checked]"
			type="checkbox" <?php checked( 1, $automatically_send_new_products ); ?> />
			<?php
		}

		/**
		 * Section text for plugin settings section text
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_section_text() {
			echo esc_html__( 'Enter your settings here', 'algolia-woo-indexer' );
		}

		/**
		 * Check if we are going to send products by verifying send products nonce
		 *
		 * @return void
		 */
		public static function maybe_send_products() {

			if ( true === Algolia_Verify_Nonces::verify_send_products_nonce() ) {
				self::send_products_to_algolia();	
			}
		}

		/**
		 * Initialize class, setup settings sections and fields
		 *
		 * @return void
		 */
		public static function init() {

			/**
			 * Fetch the option to see if we are going to automatically send new products
			 */
			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );

			/**
			 * Check that we have the minimum versions required and all of the required PHP extensions
			 */
			Algolia_Check_Requirements::check_unmet_requirements();

			if ( ! Algolia_Check_Requirements::algolia_wp_version_check() || ! Algolia_Check_Requirements::algolia_php_version_check() ) {
				add_action(
					'admin_notices',
					function () {
						echo '<div class="error notice">
                                  <p>' . esc_html__( 'Please check the server requirements for Algolia Woo Indexer. <br/> It requires minimum PHP version 7.2 and WordPress version 5.0', 'algolia-woo-indexer' ) . '</p>
                                </div>';
					}
				);
			}

			$ob_class = get_called_class();

			/**
			 * Setup translations
			 */
			add_action( 'plugins_loaded', array( $ob_class, 'load_textdomain' ) );

			/**
			 * Add actions to setup admin menu
			 */
			if ( is_admin() ) {
				add_action( 'admin_menu', array( $ob_class, 'admin_menu' ) );
				add_action( 'admin_init', array( $ob_class, 'setup_settings_sections' ) );
				add_action( 'admin_init', array( $ob_class, 'update_settings_options' ) );
				add_action( 'admin_init', array( $ob_class, 'maybe_send_products' ) );

				/**
				 * Register hook to automatically send new products if the option is set
				 */

				if ( '1' === $automatically_send_new_products ) {
					add_action( 'save_post', array( $ob_class, 'send_new_product_to_algolia' ), 10, 3 );
				}

				self::$plugin_url = admin_url( 'options-general.php?page=algolia-woo-indexer-settings' );

				if ( ! is_plugin_active('woocommerce/woocommerce.php') ) {
					add_action(
						'admin_notices',
						function () {
							echo '<div class="error notice">
								  <p>' . esc_html__( 'WooCommerce plugin must be enabled for Algolia Woo Indexer to work.', 'algolia-woo-indexer' ) . '</p>
								</div>';
						}
					);
				}
			}
		}

		/**
		 * Send a single product to Algolia once a new product has been published
		 *
		 * @param int   $post_id ID of the product.
		 * @param array $post Post array.
		 *
		 * @return void
		 */
		public static function send_new_product_to_algolia( $post_id, $post ) {

			if ( 'publish' !== $post->post_status || 'product' !== $post->post_type ) {
				return;
			}
			self::send_products_to_algolia( $post_id );
		}

		/**
		 * Verify nonces before we update options and settings
		 * Also retrieve the value from the send_products_to_algolia hidden field to check if we are sending products to Algolia
		 *
		 * @return void
		 */
		public static function update_settings_options() {

			Algolia_Verify_Nonces::verify_settings_nonce();

			/**
			 * Do not proceed if we are going to send products
			 */
			if ( true === Algolia_Verify_Nonces::verify_send_products_nonce() ) {
				return;
			}

			/**
			 * Filter the application id, api key, index name and verify that the input is an array
			 *
			 * @see https://www.php.net/manual/en/function.filter-input.php
			 */
			$post_application_id             = filter_input( INPUT_POST, 'algolia_woo_indexer_application_id', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
			$post_api_key                    = filter_input( INPUT_POST, 'algolia_woo_indexer_admin_api_key', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
			$post_index_name                 = filter_input( INPUT_POST, 'algolia_woo_indexer_index_name', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );	
			$automatically_send_new_products = filter_input( INPUT_POST, 'algolia_woo_indexer_automatically_send_new_products', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );

			/**
			 * Properly sanitize text fields before updating data
			 *
			 * @see https://developer.wordpress.org/reference/functions/sanitize_text_field/
			 */
			$filtered_application_id = sanitize_text_field( $post_application_id['id'] );
			$filtered_api_key        = sanitize_text_field( $post_api_key['key'] );
			$filtered_index_name     = sanitize_text_field( $post_index_name['name'] );

			/**
			 * Sanitizing by setting the value to either 1 or 0
			 */
			$filtered_automatically_send_new_products = ( ! empty( $automatically_send_new_products ) ) ? 1 : 0;

			/**
			 * Values have been filtered and sanitized
			 * Check if set and not empty and update the database
			 *
			 * @see https://developer.wordpress.org/reference/functions/update_option/
			 */
			if ( isset( $filtered_application_id ) && ( ! empty( $filtered_application_id ) ) ) {
				update_option(
					ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID,
					$filtered_application_id
				);
			}

			if ( isset( $filtered_api_key ) && ( ! empty( $filtered_api_key ) ) ) {
				update_option(
					ALGOWOO_DB_OPTION . ALGOLIA_API_KEY,
					$filtered_api_key
				);
			}

			if ( isset( $filtered_index_name ) && ( ! empty( $filtered_index_name ) ) ) {
				update_option(
					ALGOWOO_DB_OPTION . INDEX_NAME,
					$filtered_index_name
				);
			}

			if ( isset( $filtered_automatically_send_new_products ) && ( ! empty( $filtered_automatically_send_new_products ) ) ) {
				update_option(
					ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS,
					$filtered_automatically_send_new_products
				);
			}
		}

		/**
		 * Send WooCommerce products to Algolia
		 *
		 * @param Int $id Product to send to Algolia if we send only a single product
		 * @return void
		 */
		public static function send_products_to_algolia( $id = '' ) {
			/**
			 * Remove classes from plugin URL and autoload Algolia with Composer
			 */

			$base_plugin_directory = str_replace( 'classes', '', dirname( __FILE__ ) );
			require_once $base_plugin_directory . '/vendor/autoload.php';

			/**
			 * Fetch the required variables from the Settings API
			 */

			$algolia_application_id = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
			$algolia_api_key        = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
			$algolia_index_name     = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );	

			/**
			 * Display admin notice and return if not all values have been set
			 */
			if ( empty( $algolia_application_id ) || empty( $algolia_api_key || empty( $algolia_index_name ) ) ) {
				add_action(
					'admin_notices',
					function () {
						echo '<div class="error notice">
							  <p>' . esc_html__( 'All settings need to be set for the plugin to work.', 'algolia-woo-indexer' ) . '</p>
							</div>';
					}
				);
				return;
			}

			/**
			 * Initiate the Algolia client
			 */
			self::$algolia = \Algolia\AlgoliaSearch\SearchClient::create( $algolia_application_id, $algolia_api_key );

			/**
			 * Check if we can connect, if not, handle the exception, display an error and then return
			 */
			try {
				self::$algolia->listApiKeys();
			} catch ( \Algolia\AlgoliaSearch\Exceptions\UnreachableException $error ) {
				add_action(
					'admin_notices',
					function () {
						echo '<div class="error notice">
							  <p>' . esc_html__( 'An error has been encountered. Please check your application ID and API key. ', 'algolia-woo-indexer' ) . '</p>
							</div>';
					}
				);
				return;
			}

			/**
			 * Initialize the search index and set the name to the option from the database
			 */
			$index = self::$algolia->initIndex( $algolia_index_name );

			/**
			 * Setup arguments for sending all products to Algolia
			 *
			 * Limit => -1 means we send all products
			 */
			$arguments = array(
				'status'   => 'publish',
				'limit'    => -1,
				'paginate' => false,
			);

			/**
			* Setup arguments for sending only a single product
			*/
			if ( isset( $id ) && '' !== $id ) {
				$arguments = array(
					'status'   => 'publish',
					'include'  => array( $id ),
					'paginate' => false,
				);
			}

			/**
			 * Fetch all products from WooCommerce
			 *
			 * @see https://docs.woocommerce.com/wc-apidocs/function-wc_get_products.html
			 */
			$products = /** @scrutinizer ignore-call */ wc_get_products( $arguments );

			if ( ! $products ) {
                return;
            }
				$records = array();
				$record  = array();

				foreach ( $products as $product ) {
						/**
						 * Extract image from $product->get_image()
						 */
						preg_match('/<img(.*)src(.*)=(.*)"(.*)"/U', $product->get_image(), $result);
						$product_image = array_pop($result);
						/**
						 * Build the record array using the information from the WooCommerce product
						 */
						$record['objectID']          = $product->get_id();
						$record['product_name']      = $product->get_name();
						$record['product_image']     = $product_image;
						$record['short_description'] = $product->get_short_description();
						$record['regular_price']     = $product->get_regular_price();
						$record['sale_price']        = $product->get_sale_price();
						$record['on_sale']           = $product->is_on_sale();	

						$records[] = $record;
					}			
				}
				wp_reset_postdata();

			}

			/**
			 * Send the information to Algolia and save the result
			 * If result is NullResponse, print an error message
			 */
			$result = $index->saveObjects( $records );

			if ( 'Algolia\AlgoliaSearch\Response\NullResponse' === get_class( $result ) ) {
				add_action(
					'admin_notices',
					function () {
						echo '<div class="error notice is-dismissible">
							  <p>' . esc_html__( 'No response from the server. Please check your settings and try again ', 'algolia-woo-indexer' ) . '</p>
							</div>';
					}
				);
				return;
			}

			/**
			 * Display success message
			 */
			echo '<div class="notice notice-success is-dismissible">
					 	<p>' . esc_html__( 'Product(s) sent to Algolia.', 'algolia-woo-indexer' ) . '</p>
				  		</div>';
		}

		/**
		 * Sanitize input in settings fields and filter through regex to accept only a-z and A-Z
		 *
		 * @param string $input Settings text data
		 * @return array
		 */
		public static function settings_fields_validate_options( $input ) {
			$valid         = array();
			$valid['name'] = preg_replace(
				'/[^a-zA-Z\s]/',
				'',
				$input['name']
			);
			return $valid;
		}

		/**
		 * Load text domain for translations
		 *
		 * @return void
		 */
		public static function load_textdomain() {
			load_plugin_textdomain( 'algolia-woo-indexer', false, basename( dirname( __FILE__ ) ) . '/languages/' );
		}

		/**
		 * Add the new menu to settings section so that we can configure the plugin
		 *
		 * @return void
		 */
		public static function admin_menu() {
			add_submenu_page(
				'options-general.php',
				esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ),
				esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ),
				'manage_options',
				'algolia-woo-indexer-settings',
				array( get_called_class(), 'algolia_woo_indexer_settings' )
			);
		}

		/**
		 * Display settings and allow user to modify them
		 *
		 * @return void
		 */
		public static function algolia_woo_indexer_settings() {
			/**
			* Verify that the user can access the settings page
			*/
			if ( ! current_user_can( 'manage_options' ) ) {
				wp_die( esc_html__( 'Action not allowed.', 'algolia_woo_indexer_settings' ) );
			}
			?>
			<div class="wrap">
				<h1><?php esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ); ?></h1>
				<form action="<?php echo esc_url( self::$plugin_url ); ?>" method="POST">
			<?php
			settings_fields( 'algolia_woo_options' );
			do_settings_sections( 'algolia_woo_indexer' );
			submit_button( '', 'primary wide' );
			?>
				</form>
				<form action="<?php echo esc_url( self::$plugin_url ); ?>" method="POST">
					<?php wp_nonce_field( 'send_products_to_algolia_nonce_action', 'send_products_to_algolia_nonce_name' ); ?>
					<input type="hidden" name="send_products_to_algolia" id="send_products_to_algolia" value="true" />
					<?php submit_button( esc_html__( 'Send products to Algolia', 'algolia_woo_indexer_settings' ), 'primary wide', '', false ); ?>
				</form>
			</div>
			<?php
		}

		/**
		 * Get active object instance
		 *
		 * @return object
		 */
		public static function get_instance() {
			if ( ! self::$instance ) {
				self::$instance = new Algolia_Woo_Indexer();
			}
			return self::$instance;
		}

		/**
		 * The actions to execute when the plugin is activated.
		 *
		 * @return void
		 */
		public static function activate_plugin() {

			/**
			 * Set default values for options if not already set
			 */	
			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );
			$algolia_application_id          = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
			$algolia_api_key                 = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
			$algolia_index_name              = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );
			
			if ( empty( $automatically_send_new_products ) ) {
				add_option(
					ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS,
					'0'
				);
			}

			if ( empty( $algolia_application_id ) ) {
				add_option(
					ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID,
					'Change me'
				);
			}

			if ( empty( $algolia_api_key ) ) {
				add_option(
					ALGOWOO_DB_OPTION . ALGOLIA_API_KEY,
					'Change me'
				);
			}

			if ( empty( $algolia_index_name ) ) {
				add_option(
					ALGOWOO_DB_OPTION . INDEX_NAME,
					'Change me'
				);
			}
			set_transient( self::PLUGIN_TRANSIENT, true );
		}

		/**
		 * The actions to execute when the plugin is deactivated.
		 *
		 * @return void
		 */
		public static function deactivate_plugin() {
			delete_transient( self::PLUGIN_TRANSIENT, true );
		}

1			<?php
2			/**
3			* Main Algolia Woo Indexer class
4			* Called from main plugin file algolia-woo-indexer.php
5			*
6			* @package algolia-woo-indexer
7			*/
8
9			namespace Algowoo;
10
11			use \Algowoo\Algolia_Check_Requirements as Algolia_Check_Requirements;
12			use \Algowoo\Algolia_Verify_Nonces as Algolia_Verify_Nonces;
13
14			/**
15			* Abort if this file is called directly
16			*/
17			if ( ! defined( 'ABSPATH' ) ) {
18			exit;
19			}
20
21			/**
22			* Include plugin file if function is_plugin_active does not exist
23			*/
24			if (! function_exists('is_plugin_active')) {
25			require_once(ABSPATH . '/wp-admin/includes/plugin.php');
26			}
27
28			/**
29			* Define the plugin version and the database table name
30			*/
31			define( 'ALGOWOO_DB_OPTION', '_algolia_woo_indexer' );
32			define( 'ALGOWOO_CURRENT_DB_VERSION', '0.3' );
33
34			/**
35			* Define application constants
36			*/
37			define( 'CHANGE_ME', 'change me' );
38
39			/**
40			* Database table names
41			*/
42			define('INDEX_NAME', '_index_name');
43			define('AUTOMATICALLY_SEND_NEW_PRODUCTS', '_automatically_send_new_products');
44			define('ALGOLIA_APPLICATION_ID', '_application_id');
45			define('ALGOLIA_API_KEY', '_admin_api_key');
46
47			if ( ! class_exists( 'Algolia_Woo_Indexer' ) ) {
48			/**
49			* Algolia WooIndexer main class
50			*/
51			class Algolia_Woo_Indexer {
52
53			const PLUGIN_NAME = 'Algolia Woo Indexer';
54			const PLUGIN_TRANSIENT = 'algowoo-plugin-notice';
55
56			/**
57			* Class instance
58			*
59			* @var object
60			*/
61			private static $instance;
62
63			/**
64			* The plugin URL
65			*
66			* @var string
67			*/
68			private static $plugin_url = '';
69
70			/**
71			* The Algolia instance
72			*
73			* @var string
74			*/
75			private static $algolia = null;
76
77			/**
78			* Class constructor
79			*
80			* @return void
81			*/
82			public function __construct() {
83			$this->init();
84			}
85
86			/**
87			* Setup sections and fields to store and retrieve values from Settings API
88			*
89			* @return void
90			*/
91			public static function setup_settings_sections() {
92			/**
93			* Setup arguments for settings sections and fields
94			*
95			* @see https://developer.wordpress.org/reference/functions/register_setting/
96			*/
97			if ( is_admin() ) {
98			$arguments = array(
99			'type' => 'string',
100			'sanitize_callback' => 'settings_fields_validate_options',
101			'default' => null,
102			);
103			register_setting( 'algolia_woo_options', 'algolia_woo_options', $arguments );
104
105			/**
106			* Make sure we reference the instance of the current class by using self::get_instance()
107			* This way we can setup the correct callback function for add_settings_section and add_settings_field
108			*/
109			$algowooindexer = self::get_instance();
110
111			/**
112			* Add our necessary settings sections and fields
113			*/
114			add_settings_section(
115			'algolia_woo_indexer_main',
116			esc_html__( 'Algolia Woo Plugin Settings', 'algolia-woo-indexer' ),
117			array( $algowooindexer, 'algolia_woo_indexer_section_text' ),
118			'algolia_woo_indexer'
119			);
120			add_settings_field(
121			'algolia_woo_indexer_application_id',
122			esc_html__( 'Application ID', 'algolia-woo-indexer' ),
123			array( $algowooindexer, 'algolia_woo_indexer_application_id_output' ),
124			'algolia_woo_indexer',
125			'algolia_woo_indexer_main'
126			);
127			add_settings_field(
128			'algolia_woo_indexer_admin_api_key',
129			esc_html__( 'Admin API Key', 'algolia-woo-indexer' ),
130			array( $algowooindexer, 'algolia_woo_indexer_admin_api_key_output' ),
131			'algolia_woo_indexer',
132			'algolia_woo_indexer_main'
133			);
134			add_settings_field(
135			'algolia_woo_indexer_index_name',
136			esc_html__( 'Index name (will be created if not existing)', 'algolia-woo-indexer' ),
137			array( $algowooindexer, 'algolia_woo_indexer_index_name_output' ),
138			'algolia_woo_indexer',
139			'algolia_woo_indexer_main'
140			);
141			add_settings_field(
142			'algolia_woo_indexer_automatically_send_new_products',
143			esc_html__( 'Automatically index new products', 'algolia-woo-indexer' ),
144			array( $algowooindexer, 'algolia_woo_indexer_automatically_send_new_products_output' ),
145			'algolia_woo_indexer',
146			'algolia_woo_indexer_main'
147			);
148			}
149			}
150
151			/**
152			* Output for admin API key field
153			*
154			* @see https://developer.wordpress.org/reference/functions/wp_nonce_field/
155			*
156			* @return void
157			*/
158			public static function algolia_woo_indexer_admin_api_key_output() {
159			$api_key = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
160			$api_key = is_string($api_key) ? $api_key : CHANGE_ME;
161
162			wp_nonce_field( 'algolia_woo_indexer_admin_api_nonce_action', 'algolia_woo_indexer_admin_api_nonce_name' );
163
164			echo "<input id='algolia_woo_indexer_admin_api_key' name='algolia_woo_indexer_admin_api_key[key]'
165			type='text' value='" . esc_attr( $api_key ) . "' />";
166			}
167
168			/**
169			* Output for application ID field
170			*
171			* @return void
172			*/
173			public static function algolia_woo_indexer_application_id_output() {
174			$application_id = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
175			$application_id = is_string($application_id) ? $application_id : CHANGE_ME;
176
177			echo "<input id='algolia_woo_indexer_application_id' name='algolia_woo_indexer_application_id[id]'
178			type='text' value='" . esc_attr( $application_id ) . "' />";
179			}
180
181			/**
182			* Output for index name field
183			*
184			* @return void
185			*/
186			public static function algolia_woo_indexer_index_name_output() {
187			$index_name = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );
188			$index_name = is_string($index_name) ? $index_name : CHANGE_ME;
189
190			echo "<input id='algolia_woo_indexer_index_name' name='algolia_woo_indexer_index_name[name]'
191			type='text' value='" . esc_attr( $index_name ) . "' />";
192			}
193
194			/**
195			* Output for checkbox to check if we automatically send new products to Algolia
196			*
197			* @return void
198			*/
199			public static function algolia_woo_indexer_automatically_send_new_products_output() {
200			/**
201			* Sanitization is not really needed as the variable is not directly echoed
202			* But I have still done it to be 100% safe
203			*/
204			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );
205			$automatically_send_new_products = ( ! empty( $automatically_send_new_products ) ) ? 1 : 0;
206			?>
207			<input id="algolia_woo_indexer_automatically_send_new_products" name="algolia_woo_indexer_automatically_send_new_products[checked]"
208			type="checkbox" <?php checked( 1, $automatically_send_new_products ); ?> />
209			<?php
210			}
211
212			/**
213			* Section text for plugin settings section text
214			*
215			* @return void
216			*/
217			public static function algolia_woo_indexer_section_text() {
218			echo esc_html__( 'Enter your settings here', 'algolia-woo-indexer' );
219			}
220
221			/**
222			* Check if we are going to send products by verifying send products nonce
223			*
224			* @return void
225			*/
226			public static function maybe_send_products() {
227
228			if ( true === Algolia_Verify_Nonces::verify_send_products_nonce() ) {
229			self::send_products_to_algolia();
230			}
231			}
232
233			/**
234			* Initialize class, setup settings sections and fields
235			*
236			* @return void
237			*/
238			public static function init() {
239
240			/**
241			* Fetch the option to see if we are going to automatically send new products
242			*/
243			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );
244
245			/**
246			* Check that we have the minimum versions required and all of the required PHP extensions
247			*/
248			Algolia_Check_Requirements::check_unmet_requirements();
249
250			if ( ! Algolia_Check_Requirements::algolia_wp_version_check() \|\| ! Algolia_Check_Requirements::algolia_php_version_check() ) {
251			add_action(
252			'admin_notices',
253			function () {
254			echo '<div class="error notice">
255			<p>' . esc_html__( 'Please check the server requirements for Algolia Woo Indexer. <br/> It requires minimum PHP version 7.2 and WordPress version 5.0', 'algolia-woo-indexer' ) . '</p>
256			</div>';
257			}
258			);
259			}
260
261			$ob_class = get_called_class();
262
263			/**
264			* Setup translations
265			*/
266			add_action( 'plugins_loaded', array( $ob_class, 'load_textdomain' ) );
267
268			/**
269			* Add actions to setup admin menu
270			*/
271			if ( is_admin() ) {
272			add_action( 'admin_menu', array( $ob_class, 'admin_menu' ) );
273			add_action( 'admin_init', array( $ob_class, 'setup_settings_sections' ) );
274			add_action( 'admin_init', array( $ob_class, 'update_settings_options' ) );
275			add_action( 'admin_init', array( $ob_class, 'maybe_send_products' ) );
276
277			/**
278			* Register hook to automatically send new products if the option is set
279			*/
280
281			if ( '1' === $automatically_send_new_products ) {
282			add_action( 'save_post', array( $ob_class, 'send_new_product_to_algolia' ), 10, 3 );
283			}
284
285			self::$plugin_url = admin_url( 'options-general.php?page=algolia-woo-indexer-settings' );
286
287			if ( ! is_plugin_active('woocommerce/woocommerce.php') ) {
288			add_action(
289			'admin_notices',
290			function () {
291			echo '<div class="error notice">
292			<p>' . esc_html__( 'WooCommerce plugin must be enabled for Algolia Woo Indexer to work.', 'algolia-woo-indexer' ) . '</p>
293			</div>';
294			}
295			);
296			}
297			}
298			}
299
300			/**
301			* Send a single product to Algolia once a new product has been published
302			*
303			* @param int $post_id ID of the product.
304			* @param array $post Post array.
305			*
306			* @return void
307			*/
308			public static function send_new_product_to_algolia( $post_id, $post ) {
309
310			if ( 'publish' !== $post->post_status \|\| 'product' !== $post->post_type ) {
311			return;
312			}
313			self::send_products_to_algolia( $post_id );
314			}
315
316			/**
317			* Verify nonces before we update options and settings
318			* Also retrieve the value from the send_products_to_algolia hidden field to check if we are sending products to Algolia
319			*
320			* @return void
321			*/
322			public static function update_settings_options() {
323
324			Algolia_Verify_Nonces::verify_settings_nonce();
325
326			/**
327			* Do not proceed if we are going to send products
328			*/
329			if ( true === Algolia_Verify_Nonces::verify_send_products_nonce() ) {
330			return;
331			}
332
333			/**
334			* Filter the application id, api key, index name and verify that the input is an array
335			*
336			* @see https://www.php.net/manual/en/function.filter-input.php
337			*/
338			$post_application_id = filter_input( INPUT_POST, 'algolia_woo_indexer_application_id', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
339			$post_api_key = filter_input( INPUT_POST, 'algolia_woo_indexer_admin_api_key', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
340			$post_index_name = filter_input( INPUT_POST, 'algolia_woo_indexer_index_name', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
341			$automatically_send_new_products = filter_input( INPUT_POST, 'algolia_woo_indexer_automatically_send_new_products', FILTER_DEFAULT, FILTER_REQUIRE_ARRAY );
342
343			/**
344			* Properly sanitize text fields before updating data
345			*
346			* @see https://developer.wordpress.org/reference/functions/sanitize_text_field/
347			*/
348			$filtered_application_id = sanitize_text_field( $post_application_id['id'] );
349			$filtered_api_key = sanitize_text_field( $post_api_key['key'] );
350			$filtered_index_name = sanitize_text_field( $post_index_name['name'] );
351
352			/**
353			* Sanitizing by setting the value to either 1 or 0
354			*/
355			$filtered_automatically_send_new_products = ( ! empty( $automatically_send_new_products ) ) ? 1 : 0;
356
357			/**
358			* Values have been filtered and sanitized
359			* Check if set and not empty and update the database
360			*
361			* @see https://developer.wordpress.org/reference/functions/update_option/
362			*/
363			if ( isset( $filtered_application_id ) && ( ! empty( $filtered_application_id ) ) ) {
364			update_option(
365			ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID,
366			$filtered_application_id
367			);
368			}
369
370			if ( isset( $filtered_api_key ) && ( ! empty( $filtered_api_key ) ) ) {
371			update_option(
372			ALGOWOO_DB_OPTION . ALGOLIA_API_KEY,
373			$filtered_api_key
374			);
375			}
376
377			if ( isset( $filtered_index_name ) && ( ! empty( $filtered_index_name ) ) ) {
378			update_option(
379			ALGOWOO_DB_OPTION . INDEX_NAME,
380			$filtered_index_name
381			);
382			}
383
384			if ( isset( $filtered_automatically_send_new_products ) && ( ! empty( $filtered_automatically_send_new_products ) ) ) {
385			update_option(
386			ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS,
387			$filtered_automatically_send_new_products
388			);
389			}
390			}
391
392			/**
393			* Send WooCommerce products to Algolia
394			*
395			* @param Int $id Product to send to Algolia if we send only a single product
396			* @return void
397			*/
398			public static function send_products_to_algolia( $id = '' ) {
399			/**
400			* Remove classes from plugin URL and autoload Algolia with Composer
401			*/
402
403			$base_plugin_directory = str_replace( 'classes', '', dirname( __FILE__ ) );
404			require_once $base_plugin_directory . '/vendor/autoload.php';
405
406			/**
407			* Fetch the required variables from the Settings API
408			*/
409
410			$algolia_application_id = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
411			$algolia_api_key = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
412			$algolia_index_name = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );
413
414			/**
415			* Display admin notice and return if not all values have been set
416			*/
417			if ( empty( $algolia_application_id ) \|\| empty( $algolia_api_key \|\| empty( $algolia_index_name ) ) ) {
418			add_action(
419			'admin_notices',
420			function () {
421			echo '<div class="error notice">
422			<p>' . esc_html__( 'All settings need to be set for the plugin to work.', 'algolia-woo-indexer' ) . '</p>
423			</div>';
424			}
425			);
426			return;
427			}
428
429			/**
430			* Initiate the Algolia client
431			*/
432			self::$algolia = \Algolia\AlgoliaSearch\SearchClient::create( $algolia_application_id, $algolia_api_key );
433
434			/**
435			* Check if we can connect, if not, handle the exception, display an error and then return
436			*/
437			try {
438			self::$algolia->listApiKeys();
439			} catch ( \Algolia\AlgoliaSearch\Exceptions\UnreachableException $error ) {
440			add_action(
441			'admin_notices',
442			function () {
443			echo '<div class="error notice">
444			<p>' . esc_html__( 'An error has been encountered. Please check your application ID and API key. ', 'algolia-woo-indexer' ) . '</p>
445			</div>';
446			}
447			);
448			return;
449			}
450
451			/**
452			* Initialize the search index and set the name to the option from the database
453			*/
454			$index = self::$algolia->initIndex( $algolia_index_name );
455
456			/**
457			* Setup arguments for sending all products to Algolia
458			*
459			* Limit => -1 means we send all products
460			*/
461			$arguments = array(
462			'status' => 'publish',
463			'limit' => -1,
464			'paginate' => false,
465			);
466
467			/**
468			* Setup arguments for sending only a single product
469			*/
470			if ( isset( $id ) && '' !== $id ) {
471			$arguments = array(
472			'status' => 'publish',
473			'include' => array( $id ),
474			'paginate' => false,
475			);
476			}
477
478			/**
479			* Fetch all products from WooCommerce
480			*
481			* @see https://docs.woocommerce.com/wc-apidocs/function-wc_get_products.html
482			*/
483			$products = /** @scrutinizer ignore-call */ wc_get_products( $arguments );
484
485			if ( ! $products ) {
486			return;
487			}
488			$records = array();
489			$record = array();
490
491			foreach ( $products as $product ) {
492			/**
493			* Extract image from $product->get_image()
494			*/
495			preg_match('/<img(.)src(.)=(.)"(.)"/U', $product->get_image(), $result);
496			$product_image = array_pop($result);
497			/**
498			* Build the record array using the information from the WooCommerce product
499			*/
500			$record['objectID'] = $product->get_id();
501			$record['product_name'] = $product->get_name();
502			$record['product_image'] = $product_image;
503			$record['short_description'] = $product->get_short_description();
504			$record['regular_price'] = $product->get_regular_price();
505			$record['sale_price'] = $product->get_sale_price();
506			$record['on_sale'] = $product->is_on_sale();
507
508			$records[] = $record;
509			}
510			}
511			wp_reset_postdata();
			0 ignored issues – show Bug introduced 2021-02-08 02:32 UTC by Report Bug Copy Issue Report A parse error occurred: Syntax error, unexpected T_STRING, expecting T_FUNCTION or T_CONST on line 511 at column 4 Loading history...
512			}
513
514			/**
515			* Send the information to Algolia and save the result
516			* If result is NullResponse, print an error message
517			*/
518			$result = $index->saveObjects( $records );
519
520			if ( 'Algolia\AlgoliaSearch\Response\NullResponse' === get_class( $result ) ) {
521			add_action(
522			'admin_notices',
523			function () {
524			echo '<div class="error notice is-dismissible">
525			<p>' . esc_html__( 'No response from the server. Please check your settings and try again ', 'algolia-woo-indexer' ) . '</p>
526			</div>';
527			}
528			);
529			return;
530			}
531
532			/**
533			* Display success message
534			*/
535			echo '<div class="notice notice-success is-dismissible">
536			<p>' . esc_html__( 'Product(s) sent to Algolia.', 'algolia-woo-indexer' ) . '</p>
537			</div>';
538			}
539
540			/**
541			* Sanitize input in settings fields and filter through regex to accept only a-z and A-Z
542			*
543			* @param string $input Settings text data
544			* @return array
545			*/
546			public static function settings_fields_validate_options( $input ) {
547			$valid = array();
548			$valid['name'] = preg_replace(
549			'/[^a-zA-Z\s]/',
550			'',
551			$input['name']
552			);
553			return $valid;
554			}
555
556			/**
557			* Load text domain for translations
558			*
559			* @return void
560			*/
561			public static function load_textdomain() {
562			load_plugin_textdomain( 'algolia-woo-indexer', false, basename( dirname( __FILE__ ) ) . '/languages/' );
563			}
564
565			/**
566			* Add the new menu to settings section so that we can configure the plugin
567			*
568			* @return void
569			*/
570			public static function admin_menu() {
571			add_submenu_page(
572			'options-general.php',
573			esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ),
574			esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ),
575			'manage_options',
576			'algolia-woo-indexer-settings',
577			array( get_called_class(), 'algolia_woo_indexer_settings' )
578			);
579			}
580
581			/**
582			* Display settings and allow user to modify them
583			*
584			* @return void
585			*/
586			public static function algolia_woo_indexer_settings() {
587			/**
588			* Verify that the user can access the settings page
589			*/
590			if ( ! current_user_can( 'manage_options' ) ) {
591			wp_die( esc_html__( 'Action not allowed.', 'algolia_woo_indexer_settings' ) );
592			}
593			?>
594			<div class="wrap">
595			<h1><?php esc_html__( 'Algolia Woo Indexer Settings', 'algolia-woo-indexer' ); ?></h1>
596			<form action="<?php echo esc_url( self::$plugin_url ); ?>" method="POST">
597			<?php
598			settings_fields( 'algolia_woo_options' );
599			do_settings_sections( 'algolia_woo_indexer' );
600			submit_button( '', 'primary wide' );
601			?>
602			</form>
603			<form action="<?php echo esc_url( self::$plugin_url ); ?>" method="POST">
604			<?php wp_nonce_field( 'send_products_to_algolia_nonce_action', 'send_products_to_algolia_nonce_name' ); ?>
605			<input type="hidden" name="send_products_to_algolia" id="send_products_to_algolia" value="true" />
606			<?php submit_button( esc_html__( 'Send products to Algolia', 'algolia_woo_indexer_settings' ), 'primary wide', '', false ); ?>
607			</form>
608			</div>
609			<?php
610			}
611
612			/**
613			* Get active object instance
614			*
615			* @return object
616			*/
617			public static function get_instance() {
618			if ( ! self::$instance ) {
619			self::$instance = new Algolia_Woo_Indexer();
620			}
621			return self::$instance;
622			}
623
624			/**
625			* The actions to execute when the plugin is activated.
626			*
627			* @return void
628			*/
629			public static function activate_plugin() {
630
631			/**
632			* Set default values for options if not already set
633			*/
634			$automatically_send_new_products = get_option( ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS );
635			$algolia_application_id = get_option( ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID );
636			$algolia_api_key = get_option( ALGOWOO_DB_OPTION . ALGOLIA_API_KEY );
637			$algolia_index_name = get_option( ALGOWOO_DB_OPTION . INDEX_NAME );
638
639			if ( empty( $automatically_send_new_products ) ) {
640			add_option(
641			ALGOWOO_DB_OPTION . AUTOMATICALLY_SEND_NEW_PRODUCTS,
642			'0'
643			);
644			}
645
646			if ( empty( $algolia_application_id ) ) {
647			add_option(
648			ALGOWOO_DB_OPTION . ALGOLIA_APPLICATION_ID,
649			'Change me'
650			);
651			}
652
653			if ( empty( $algolia_api_key ) ) {
654			add_option(
655			ALGOWOO_DB_OPTION . ALGOLIA_API_KEY,
656			'Change me'
657			);
658			}
659
660			if ( empty( $algolia_index_name ) ) {
661			add_option(
662			ALGOWOO_DB_OPTION . INDEX_NAME,
663			'Change me'
664			);
665			}
666			set_transient( self::PLUGIN_TRANSIENT, true );
667			}
668
669			/**
670			* The actions to execute when the plugin is deactivated.
671			*
672			* @return void
673			*/
674			public static function deactivate_plugin() {
675			delete_transient( self::PLUGIN_TRANSIENT, true );
676			}

w3bdesign / algolia-woo-indexer

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Algolia_Woo_Indexer::init() B

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