Blocksy 2 add discounted price to sale badge

blc-2-add-discounted-price-to-sale-badge.php

<?php
add_filter('woocommerce_sale_flash',function ($text, $post, $product) {
		if (strpos($text, '<span class="onsale">') === false) {
			return $text;
		}		

		if (blocksy_get_theme_mod('sale_badge_value', 'default') === 'custom') {
			$text = blocksy_get_theme_mod('sale_badge_custom_value', '-{price}');

			if ($product->is_type('variable')) {
				$amounts = [];

				$prices = $product->get_variation_prices();

				foreach ($prices['price'] as $key => $price) {
					if ($prices['regular_price'][$key] !== $price) {
						$amounts[] = $prices['regular_price'][$key] - $prices['sale_price'][$key];
					}
				}

				if (empty($amounts)) {
					$amounts[] = 0;
				}

				$amount = max($amounts);
			} else {
				$regular_price = (float) $product->get_regular_price();
				$sale_price = (float) $product->get_sale_price();

				$amount = 0;

				if ($regular_price > 0) {
					$amount = $regular_price - $sale_price;
				}
			}

			$formatted_price = wc_price($amount);

			$text = str_replace('{price}', $formatted_price, $text );

			if ($product->is_type('grouped')) {
				$text = $default_text;
			}
		}

		return blocksy_html_tag(
			'span',
			[
				'class' => 'onsale',
				'data-shape' => blocksy_get_theme_mod('sale_badge_shape', 'type-2')
			],
			$text
		);
	},
	10,
	3
);

Usage: -{price}