Sample functions for specific date filters in Order Delivery Date Pro plugin

woocommerce-specific-date-filters-by-variations.php

<?php

add_filter( 'orddd_global_specific_delivery_dates', 'ts_add_global_specific_delivery_charges_by_variations', 10, 4 );
function ts_add_global_specific_delivery_charges_by_variations( $specific_fees, $specific_date, $specific_date_charges, $specific_charges_label ) {

	global $woocommerce;
	
	$found = false;

	// determine if selected variation is in cart or not
	foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $cart_item) {
        if ( $cart_item['variation_id'] == 447 || 
             $cart_item['variation_id'] == 448 ) {
            $qty = $qty + $cart_item['quantity'];
            $found = true;
        }
    }

    if( $found == true ) {
        $specific_date_charges = $specific_date_charges * $qty;
        $specific_charges_label = 'Special item';
        $specific_fees = "Yes";
    } else {
    	$specific_fees = 'No';
    	$specific_date_charges = 0;
    }
    return array( 'specific_fees' 		   => $specific_fees,
    			  'specific_day_charges'   => $specific_date_charges,
    			  'specific_charges_label' => $specific_charges_label );
}


add_filter( 'orddd_custom_specific_delivery_dates', 'ts_add_specific_delivery_charges_by_variations', 10, 4 );
function ts_add_specific_delivery_charges_by_variations( $specific_fees, $specific_date, $specific_date_charges, $specific_charges_label ) {

	global $woocommerce;
	
	$found = false;

	// determine if selected variation is in cart or not
	foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $cart_item) {
        if ( $cart_item['variation_id'] == 447 || 
             $cart_item['variation_id'] == 448 ) {
            $qty = $qty + $cart_item['quantity'];
            $found = true;
        }
    }

    if( $found == true ) {
        $specific_date_charges = $specific_date_charges * $qty;
        $specific_charges_label = 'Special charges for your items';
        $specific_fees = "Yes";
    } else {
    	$specific_fees = 'No';
    	$specific_date_charges = 0;
    }
    return array( 'specific_fees' 		   => $specific_fees,
    			  'specific_day_charges'   => $specific_date_charges,
    			  'specific_charges_label' => $specific_charges_label );
}