ulgm_swap_products

Description

Usage

add_filter( 'ulgm_swap_products', 'your_function_name', 10, 2 );

Parameters

$products (mixed)

This parameter contains an array of WooCommerce product types that are eligible for swapping.

$post (mixed)

This parameter contains the products that will be displayed in the swap product dropdown.

Return Value

The filtered value.

Examples

add_filter( 'ulgm_swap_products', 'my_custom_swap_products_filter', 10, 2 );

/**
 * Custom filter example for ulgm_swap_products.
 *
 * This example demonstrates how to filter the list of products available for swapping.
 * It adds a specific product to the list if it's not already present and removes
 * any products with a price less than a certain threshold.
 *
 * @param array $products The array of products to be displayed in the swap dropdown.
 * @param WP_Post $post     The current post object.
 * @return array The modified array of products.
 */
function my_custom_swap_products_filter( $products, $post ) {
	// Add a specific product if it's not already in the list.
	// Replace '123' with the actual product ID you want to ensure is available.
	$product_id_to_add = 123;
	if ( ! isset( $products[ $product_id_to_add ] ) ) {
		$product_to_add = wc_get_product( $product_id_to_add );
		if ( $product_to_add ) {
			$products[ $product_id_to_add ] = $product_to_add->get_name() . ' (#' . $product_id_to_add . ')';
		}
	}

	// Remove products with a price less than 50.
	// This is just an example; adjust the threshold as needed.
	$min_price_threshold = 50;
	foreach ( $products as $product_id => $product_name ) {
		// Skip the default "Select a product" option.
		if ( $product_id === '0' ) {
			continue;
		}

		$product = wc_get_product( $product_id );
		if ( $product && $product->get_price() < $min_price_threshold ) {
			unset( $products[ $product_id ] );
		}
	}

	// Ensure the array keys are re-indexed if items were removed.
	return array_values( $products );
}

Placement

This code should be placed in the functions.php file of your active theme, a custom plugin, or using a code snippets plugin.

Source Code

src/classes/woocommerce/woocommerce-group-license-swap.php:183

public function backend_display_swap_product_field() {
		global $woocommerce, $post;

		$types = wc_get_product_types();
		// exclude variable products
		if ( isset( $types['variable'] ) ) {
			unset( $types['variable'] );
		}

		$args = array(
			'type'   => apply_filters( 'ulgm_swap_product_types', array_keys( $types ), $types ),
			'status' => array( 'publish' ),
			'limit'  => '-1',
		);

		$current_value = 0;

		// exclude current product
		if ( is_object( $post ) && $post->ID ) {
			$args['exclude'] = array( $post->ID );
			$current_value   = get_post_meta( $post->ID, 'ulgm_swap_license_product', true );
		}

		$raw_products  = wc_get_products( $args );
		$products      = array();
		$products['0'] = __( 'Select a product', 'uncanny-learndash-groups' );

		if ( ! empty( $raw_products ) ) {
			foreach ( $raw_products as $raw_product ) {
				$products[ $raw_product->get_id() ] = $raw_product->get_name() . ' (#' . $raw_product->get_id() . ')';
			}
		}

		echo '<div id="ulgm_swap_license_product_wrapper" style="display: none;">';
		woocommerce_wp_select(
			array(
				'id'          => 'ulgm_swap_license_product',
				'class'       => 'select long select2',
				'label'       => __( 'Swap course product ', 'uncanny-learndash-groups' ),
				'selected'    => true,
				'value'       => $current_value,
				'options'     => apply_filters( 'ulgm_swap_products', $products, $post ),
				'desc_tip'    => true,
				'style'       => 'width: 50%"',
				'description' => __( 'If a quantity of 1 for this product is added to the cart, swap it for the selected product instead', 'uncanny-learndash-groups' ),
			)
		);
		echo '</div>';
	}