=' ) ) {
/**
* Filters the referral amount for supported products.
*
* If the product ID is not in the allowed list and the current integration is supported,
* the referral amount will be set to 0.
*
* @since 1.12
*
* @param string $referral_amount Referral amount.
* @param int $affiliate_id Affiliate ID.
* @param string $amount Order amount.
* @param string $reference Order Reference.
* @param int $product_id Product ID.
* @param string $context Order Context.
*
* @return float
*/
function affwp_allowed_products_calculate_referral_amount( $referral_amount, $affiliate_id, $amount, $reference, $product_id, $context ) {
if ( empty( $product_id ) ) {
return $referral_amount;
}
if ( ! in_array( $product_id, affwp_allowed_products_get_products() )
&& in_array( $context, affwp_allowed_products_supported_integrations(), true )
) {
$referral_amount = 0;
}
return $referral_amount;
}
add_filter( 'affwp_calc_referral_amount', 'affwp_allowed_products_calculate_referral_amount', 100, 6 );
} else {
/**
* Filters the product rates for supported products.
*
* If the product ID is not in the allowed list and the current integration is supported,
* the rate will be set to 0.
*
* @since 1.1
*
* @param float $rate Product-level referral rate.
* @param int $product_id Product ID.
* @param array $args Arguments for retrieving the product rate.
* @param int $affiliate_id Affiliate ID.
* @param string $context Order context.
*
* @return int
*/
function affwp_allowed_products_get_product_rate( $rate, $product_id, $args, $affiliate_id, $context ) {
if ( ! in_array( $product_id, affwp_allowed_products_get_products() )
&& in_array( $context, affwp_allowed_products_supported_integrations(), true )
) {
$rate = 0;
}
return $rate;
}
add_filter( 'affwp_get_product_rate', 'affwp_allowed_products_get_product_rate', 100, 5 );
}
/**
* Retrieves the list of allowed products.
*
* @since 1.0
*/
function affwp_allowed_products_get_products() {
$products = affiliate_wp()->settings->get( 'allowed_products' );
$products = explode( ',', $products );
$products = array_filter( array_map( 'trim', $products ) );
return $products;
}
/**
* Allows product IDs to be entered from Affiliate -> Settings -> Integrations
*
* @since 1.0
*/
function affwp_allowed_products_settings( $fields ) {
$fields['allowed_products'] = array(
'name' => __( 'Allowed Products', 'affiliatewp-allowed-products' ),
'desc' => '' . __( 'Enter any product IDs (separated by commas) that should be allowed to generate commissions.', 'affiliatewp-allowed-products' ) . '
',
'type' => 'text'
);
return $fields;
}
add_filter( 'affwp_settings_integrations', 'affwp_allowed_products_settings' );
/**
* Sanitizes the settings field.
*
* @since 1.0
*/
function affwp_allowed_products_sanitize_settings( $input ) {
$input['allowed_products'] = sanitize_text_field( $input['allowed_products'] );
return $input;
}
add_filter( 'affwp_settings_integrations_sanitize', 'affwp_allowed_products_sanitize_settings' );
/**
* Prevents the referral notification email from being sent to the affiliate
* if the product is blocked from receiving commission
*
* @since 1.0.1
*/
function affwp_allowed_products_notify_on_new_referral( $return, $referral ) {
$products = $referral->products;
// get an array of the product IDs being purchased
$product_ids = wp_list_pluck( $products, 'id' );
if ( $product_ids ) {
foreach ( $product_ids as $id ) {
// check to see if one of the product IDs exists in the allowed products array.
// If found, send the email
if ( in_array( $id, affwp_allowed_products_get_products() ) ) {
$return = true;
break;
} else {
// don't send the email
$return = false;
}
}
}
return $return;
}
add_filter( 'affwp_notify_on_new_referral', 'affwp_allowed_products_notify_on_new_referral', 10, 2 );
/**
* Shows a dismissible notice when no product IDs have been entered
*
* @since 1.0.2
*/
function affwp_allowed_products_admin_notice() {
$has_dismissed = get_user_meta( get_current_user_id(), '_affwp_no_allowed_products_dismissed', true );
if ( ! affwp_allowed_products_get_products() && ! $has_dismissed ) { ?>
Integrations screen to enter some product IDs under the Allowed Products section.', 'affiliatewp-allowed-products' ), esc_url( admin_url( 'admin.php?page=affiliate-wp-settings&tab=integrations' ) ) ); ?>