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Change the default PMPro WooCommerce bahavior and make membership products not purchasable if a user already has any other membership level.
<?php
/**
* Change the default PMPro WooCommerce bahavior
* and make membership products not purchasable
* if a user already has any other membership level.
*/
// First disable the core PMPro WC callaback and set up our own.
function my_pmprowoo_init() {
remove_filter( 'woocommerce_is_purchasable', 'pmprowoo_is_purchasable', 10, 2 );
add_filter( 'woocommerce_is_purchasable', 'my_pmprowoo_is_purchasable', 5, 2 );
}
add_action( 'init', 'my_pmprowoo_init' );
// Our new callback.
function my_pmprowoo_is_purchasable( $is_purchasable, $product ) {
global $pmprowoo_product_levels;
// Bail if PMPro or PMPro WC is not active.
if ( ! function_exists( 'pmpro_hasMembershipLevel' ) || ! function_exists( 'pmprowoo_cart_has_membership' ) ) {
return $is_purchasable;
}
// Not purchasable for some other reason.
if( ! $is_purchasable ) {
return $is_purchasable;
}
// This is the main line that was changed from default PMPro WC
$has_membership = pmprowoo_cart_has_membership() || pmpro_hasMembershipLevel();
$product_id = $product->get_id();
$is_purchasable = ( in_array( $product_id, array_keys( $pmprowoo_product_levels ) ) && true === $has_membership ? false : $is_purchasable );
// Add the warning message for the single product summary page(s)
if ( false === $is_purchasable ) {
if ( pmpro_hasMembershipLevel() ) {
add_action( 'woocommerce_single_product_summary', 'my_pmprowoo_purchase_disabled' );
} else {
add_action( 'woocommerce_single_product_summary', 'pmprowoo_purchase_disabled' );
}
}
return $is_purchasable;
}
// Show already have membership version of the disabled message.
function my_pmprowoo_purchase_disabled() {
?>
<div class="woocommerce">
<div class="woocommerce-info wc-nonpurchasable-message">
<?php _e( "You already have a membership level.", 'pmpro-woocommerce' ); ?>
</div>
</div>
<?php
}
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