+global\WC_AJAX::link_all_variations()

Complexity

Conditions	14
Paths	156

Size

Total Lines	106
Code Lines	54

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
	public static function link_all_variations() {

		if ( ! defined( 'WC_MAX_LINKED_VARIATIONS' ) ) {
			define( 'WC_MAX_LINKED_VARIATIONS', 49 );
		}

		check_ajax_referer( 'link-variations', 'security' );

		if ( ! current_user_can( 'edit_products' ) ) {
			die(-1);
		}

		wc_set_time_limit( 0 );

		$post_id = intval( $_POST['post_id'] );

		if ( ! $post_id ) {
			die();
		}

		$variations = array();
		$_product   = wc_get_product( $post_id, array( 'product_type' => 'variable' ) );

		// Put variation attributes into an array
		foreach ( $_product->get_attributes() as $attribute ) {

			if ( ! $attribute['is_variation'] ) {
				continue;
			}

			$attribute_field_name = 'attribute_' . sanitize_title( $attribute['name'] );

			if ( $attribute['is_taxonomy'] ) {
				$options = wc_get_product_terms( $post_id, $attribute['name'], array( 'fields' => 'slugs' ) );
			} else {
				$options = explode( WC_DELIMITER, $attribute['value'] );
			}

			$options = array_map( 'trim', $options );

			$variations[ $attribute_field_name ] = $options;
		}

		// Quit out if none were found
		if ( sizeof( $variations ) == 0 ) {
			die();
		}

		// Get existing variations so we don't create duplicates
		$available_variations = array();

		foreach( $_product->get_children() as $child_id ) {
			$child = $_product->get_child( $child_id );

			if ( ! empty( $child->variation_id ) ) {
				$available_variations[] = $child->get_variation_attributes();
			}
		}

		// Created posts will all have the following data
		$variation_post_data = array(
			'post_title'   => 'Product #' . $post_id . ' Variation',
			'post_content' => '',
			'post_status'  => 'publish',
			'post_author'  => get_current_user_id(),
			'post_parent'  => $post_id,
			'post_type'    => 'product_variation'
		);

		$variation_ids       = array();
		$added               = 0;
		$possible_variations = wc_array_cartesian( $variations );

		foreach ( $possible_variations as $variation ) {

			// Check if variation already exists
			if ( in_array( $variation, $available_variations ) ) {
				continue;
			}

			$variation_id = wp_insert_post( $variation_post_data );

			$variation_ids[] = $variation_id;

			foreach ( $variation as $key => $value ) {
				update_post_meta( $variation_id, $key, $value );
			}

			// Save stock status
			update_post_meta( $variation_id, '_stock_status', 'instock' );

			$added++;

			do_action( 'product_variation_linked', $variation_id );

			if ( $added > WC_MAX_LINKED_VARIATIONS ) {
				break;
			}
		}

		delete_transient( 'wc_product_children_' . $post_id );

		echo $added;

		die();
	}