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class-wc-integration-sale-category.php
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class-wc-integration-sale-category.php
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<?php
/**
* Integration WooCommerce Sale Category.
*
* @package WC_Integration_Sale_Category
* @category Integration
* @author Juraj Kiss (Webikon)
*/
if ( ! class_exists( 'WC_Integration_Sale_Category' ) ) :
class WC_Integration_Sale_Category extends WC_Integration {
/**
* Init and hook in the integration.
*/
public function __construct() {
global $woocommerce;
$this->id = 'sale-category';
$this->method_title = __( 'Sale category', 'woocommerce-sale-category' );
$this->method_description = __( 'Automatically assign products on sale to a category.', 'woocommerce-sale-category' );
// Load the settings.
$this->init_settings();
// Define user set variables.
$this->sale_category = intval( $this->get_option( 'sale_category' ) );
$this->bulk_process = $this->get_option( 'bulk_process' );
// Actions.
add_action( 'woocommerce_update_options_integration_' . $this->id, array( $this, 'process_admin_options' ) ); // save form data
add_action( 'init', array( $this, 'init_form_fields' ) ); // set up form fields
add_action( 'updated_postmeta', array( $this, 'assign_sale_category' ), 30, 4 ); // assign/unassign sale category on post meta update. needed for planned sales.
add_action( 'init', array( $this, 'bulk_process_products' ), 40 ); // bulk process products
}
/**
* Initialize integration settings form fields.
*/
public function init_form_fields() {
$categories = get_terms( 'product_cat', array( 'hide_empty' => false ) );
if ( is_wp_error( $categories) ) {
return;
}
$options = array();
foreach ( $categories as $category ) {
$options[$category->term_id] = $category->name;
}
$this->form_fields = array(
'sale_category' => array(
'title' => __( 'Sale category', 'woocommerce-sale-category' ),
'type' => 'select',
'options' => $options,
'description' => __( 'Select the category to which products on sale will be assigned', 'woocommerce-sale-category' ),
),
'bulk_process' => array(
'title' => __( 'Process existing products', 'woocommerce-sale-category' ),
'type' => 'checkbox',
'description' => __( 'Assign existing sale products to the selected category', 'woocommerce-sale-category' ),
)
);
}
/**
* Assign/unassign the sale category after post meta was updated.
*/
public function assign_sale_category( $meta_id, $post_id, $meta_key, $meta_value ) {
if ( get_post_type($post_id) !== 'product' ) {
return;
}
$product = wc_get_product( $post_id );
if ( $product->is_type( 'variable' ) ) {
if ( $product->get_children() ) {
foreach ( $product->get_children() as $child_id ) {
$child_product = wc_get_product( $child_id );
if ( $is_on_sale = $child_product->is_on_sale() ) {
break;
}
}
}
} else {
if ( $meta_key != '_price' ) {
return; // do nothing, if the meta key is not _price
}
$is_on_sale = $product->is_on_sale();
}
if ( $is_on_sale ) {
// product is on sale, let's assign the sale category
wp_set_object_terms( $post_id, $this->sale_category, 'product_cat', true );
} else {
// product is not on sale, let's remove the sale category
wp_remove_object_terms( $post_id, $this->sale_category, 'product_cat' );
}
}
/**
* Bulk processing for existing posts
*/
public function bulk_process_products() {
if( !isset( $_POST['woocommerce_sale-category_bulk_process'] ) ) {
return;
}
if ( !$this->sale_category && !isset( $_POST['woocommerce_sale-category_sale_category'] ) ) {
$this->errors[] = __( 'Please select your sale category, if you want to bulk process your existing products', 'woocommerce-sale-category' );
return;
}
if ( isset( $_POST['woocommerce_sale-category_sale_category'] ) ) {
$sale_category = intval( $_POST['woocommerce_sale-category_sale_category'] );
} else {
$sale_category = $this->sale_category;
}
$products = wc_get_product_ids_on_sale();
if ( !$products ) {
WC_Admin_Settings::add_error( __( 'No products on sale found', 'woocommerce-sale-category' ) );
return;
}
foreach ( $products as $post_id) {
wp_set_object_terms( $post_id, $sale_category, 'product_cat', true );
}
WC_Admin_Settings::add_message( __( count($products) . ' products processed', 'woocommerce-sale-category' ) );
}
/**
* Display errors by overriding the display_errors() method
* @see display_errors()
*/
public function display_errors( ) {
// loop through each error and display it
foreach ( $this->errors as $error ) {
?>
<div class="error">
<p><?php echo $error; ?></p>
</div>
<?php
}
}
}
endif;