# tier-pricing-table/6.1.0/src/CartUpsellManager.php

Tiered Pricing Table for WooCommerce, version 6.1.0. 166 lines.

- Page: https://pluginprobe.com/plugins/tier-pricing-table/6.1.0/code/src/CartUpsellManager.php
- Raw: https://pluginprobe.com/plugins/tier-pricing-table/6.1.0/raw/src/CartUpsellManager.php
- Modified: 2023-01-13T14:35:00+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/tier-pricing-table/6.1.0/code/src/CartUpsellManager.php#L10-L20`.

```php
<?php namespace TierPricingTable;

use ArrayIterator;
use TierPricingTable\Core\ServiceContainerTrait;

/**
 * Class CartUpsellManager
 *
 * @package TierPricingTable
 */
class CartUpsellManager {

	use ServiceContainerTrait;

	/**
	 * CatalogPriceManager constructor.
	 */
	public function __construct() {
		add_action( 'woocommerce_after_cart_item_name', array( $this, 'showUpsell' ), 1, 3 );
	}

	public function showUpsell( $cartItem ) {
		if ( ! $this->isCartUpsellEnabled() ) {
			return;
		}

		$upsellString = $this->formatUpsellString( $cartItem );

		if ( ! $upsellString ) {
			return;
		}

		?>
        <div>
            <small style="color: <?php echo esc_attr( $this->getUpsellColor() ); ?>"><?php echo wp_kses_post( $upsellString ); ?></small>
        </div>
		<?php
	}

	protected function formatUpsellString( $cartItem ) {

		$nextPriceData = $this->getNextPriceData( $cartItem );

		if ( empty( $nextPriceData ) ) {
			return false;
		}

		$template = $this->getTemplate();

		return strtr( $template, array(
			'{tp_required_quantity}' => $nextPriceData['next_quantity'],
			'{tp_next_price}'        => wc_price( $nextPriceData['next_price'] ),
			'{tp_next_discount}'     => number_format( $nextPriceData['next_discount'], wc_get_price_decimals(), wc_get_price_decimal_separator(), wc_get_price_thousand_separator() ),
			'{tp_actual_discount}'   => number_format( $nextPriceData['actual_discount'], wc_get_price_decimals(), wc_get_price_decimal_separator(), wc_get_price_thousand_separator() ),
		) );
	}

	protected function getNextPriceData( $cartItem ) {
		$pricingRules = $this->getPricingRules( $cartItem );

		if ( ! empty( $pricingRules ) ) {

			$iterator        = new ArrayIterator( array_reverse( $pricingRules['rules'], true ) );
			$currentQuantity = $cartItem['quantity'];

			while ( $iterator->valid() ) {
				if ( $currentQuantity < $iterator->key() ) {

					$prevQuantity = $iterator->key();
					$prevPrice    = $iterator->current();

					$iterator->next();

					if ( $iterator->valid() && $currentQuantity >= $iterator->key() ) {

						$product = wc_get_product( $this->getProductId( $cartItem ) );

						if ( $pricingRules['type'] === 'fixed' ) {
							$nextPrice    = $prevPrice;
							$currentPrice = $iterator->current();
						} else {
							$nextPrice    = PriceManager::getPriceByPercentDiscount( $product->get_price(), $prevPrice );
							$currentPrice = PriceManager::getPriceByPercentDiscount( $product->get_price(), $iterator->current() );
						}

						$currentPrice = PriceManager::getPriceWithTaxes( $currentPrice, $product, 'cart' );
						$nextPrice    = PriceManager::getPriceWithTaxes( $nextPrice, $product, 'cart' );

						return array(
							'next_price'      => $nextPrice,
							'next_discount'   => PriceManager::calculateDiscount( $currentPrice, $nextPrice ),
							'actual_discount' => $pricingRules['type'] === 'percentage' ? $prevPrice : PriceManager::calculateDiscount( $currentPrice, $product->get_price( 'edit' ) ),
							'next_quantity'   => $prevQuantity - $currentQuantity,
						);
					} else if ( ! $iterator->valid() ) {
						$product = wc_get_product( $this->getProductId( $cartItem ) );

						if ( $pricingRules['type'] === 'fixed' ) {
							$nextPrice    = $prevPrice;
							$currentPrice = $product->get_price();
						} else {
							$nextPrice    = PriceManager::getPriceByPercentDiscount( $product->get_price(), $prevPrice );
							$currentPrice = $product->get_price();
						}

						$nextPrice    = PriceManager::getPriceWithTaxes( $nextPrice, $product, 'cart' );

						return array(
							'next_price'      => $nextPrice,
							'next_discount'   => PriceManager::calculateDiscount( $currentPrice, $nextPrice ),
							'actual_discount' => $pricingRules['type'] === 'percentage' ? $prevPrice : PriceManager::calculateDiscount( $currentPrice, $product->get_price( 'edit' ) ),
							'next_quantity'   => $prevQuantity - $currentQuantity,
						);
					}
				} else {
					$iterator->next();
				}
			}
		}

		return array();
	}

	/**
	 * Get pricing rules from cart item
	 *
	 * @param array $cartItem
	 *
	 * @return array
	 */
	protected function getPricingRules( $cartItem ) {

		$productId = $this->getProductId( $cartItem );

		if ( $productId ) {
			$pricingRules = PriceManager::getPriceRules( $productId );
			$pricingType  = PriceManager::getPricingType( $productId );

			if ( ! empty( $pricingRules ) ) {
				return array(
					'rules' => $pricingRules,
					'type'  => $pricingType
				);
			}
		}

		return array();
	}

	protected function getProductId( $cartItem ) {
		return ! empty( $cartItem['variation_id'] ) ? $cartItem['variation_id'] : $cartItem['product_id'];
	}

	protected function getTemplate() {
		return $this->getContainer()->getSettings()->get( 'cart_upsell_template', __( 'Buy <b>{tp_required_quantity}</b> more to get <b>{tp_next_price}</b> each', 'tier-pricing-table' ) );
	}

	protected function getUpsellColor() {
		return $this->getContainer()->getSettings()->get( 'cart_upsell_color', '#96598A' );
	}

	protected function isCartUpsellEnabled() {
		return $this->getContainer()->getSettings()->get( 'cart_upsell_enabled', 'no' ) === 'yes';
	}
}

```