varing-preparation-days.php

add_filter('pisol_edd_get_product_data', function($data, $product_object){

	$category_to_exclude = 25;

	if(!is_object($product_object->product)) return $data;

	$product_id = $product_object->product->is_type('variation') ? $product_object->product->get_parent_id() : $product_object->product->get_id();

    // Only apply logic to products not in category ID 25
    if ( has_term($category_to_exclude, 'product_cat', $product_id) ) {
        return $data;
    }

    // Admin-defined static configuration
    $start_date      = '2025-07-25';
    $end_date        = '2025-08-10';
    $start_range_min = 10;
    $start_range_max = 15;

    $today = current_time('Y-m-d');

	$today_ts      = strtotime( current_time('Y-m-d') );
    $start_date_ts = strtotime( $start_date );
    $end_date_ts   = strtotime( $end_date );

    // Apply countdown logic only between start_date and end_date
    if ( $today_ts >= $start_date_ts && $today_ts <= $end_date_ts ) {
        $days_passed = (strtotime($today) - strtotime($start_date)) / DAY_IN_SECONDS;

        $min_days = max(1, $start_range_min - $days_passed);
        $max_days = max($min_days, $start_range_max - $days_passed); // max must be >= min

        $data['min_preparation_days'] = (int) $min_days;
        $data['max_preparation_days'] = (int) $max_days;
    } 

    return $data;
}, 10, 2);