setono/sylius-tier-pricing-plugin

Use price tiers in your Sylius store.

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Package info

github.com/Setono/sylius-tier-pricing-plugin

Type:sylius-plugin

pkg:composer/setono/sylius-tier-pricing-plugin

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Setono

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v2.0.0-alpha 2026-05-11 09:24 UTC

This package is auto-updated.

Last update: 2026-05-11 09:33:31 UTC


README

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Use quantity-based price tiers in your Sylius store. Set a tier like "10% off when buying 5 or more" on a product, optionally scoped to a specific channel and/or variant; the discount is applied automatically as a per-unit ORDER_UNIT_PROMOTION_ADJUSTMENT with originCode = 'tier_pricing'.

Requirements

  • PHP >=8.2
  • Symfony ^6.4 || ^7.4
  • Sylius ^2.0

For Sylius 1.x see the 1.x branch. Upgrading from 1.x → 2.x? See UPGRADE.md.

Installation

composer require setono/sylius-tier-pricing-plugin

Register the bundle in config/bundles.php:

return [
    // ...
    Setono\SyliusTierPricingPlugin\SetonoSyliusTierPricingPlugin::class => ['all' => true],
];

Make your App\Entity\Product use the plugin's trait + interface:

use Setono\SyliusTierPricingPlugin\Model\ProductInterface as TierPricingProductInterface;
use Setono\SyliusTierPricingPlugin\Model\ProductTrait as TierPricingProductTrait;

class Product extends BaseProduct implements TierPricingProductInterface
{
    use TierPricingProductTrait {
        TierPricingProductTrait::__construct as private _initializePriceTiers;
    }

    public function __construct()
    {
        parent::__construct();
        $this->_initializePriceTiers();
    }
}

Wire the resource override in config/packages/_sylius.yaml:

sylius_product:
    resources:
        product:
            classes:
                model: App\Entity\Product

Update the database schema:

bin/console doctrine:migrations:diff
bin/console doctrine:migrations:migrate

How it works

After install, products in the admin get a Price tiers tab (rendered via Twig hooks into the product update/create page). Each tier has:

  • Quantity — minimum units the customer must add to the cart for the tier to kick in.
  • Discount — percentage off, kept as a numeric string and computed with brick/math to avoid float drift.
  • Channel — optional; restricts the tier to one channel.
  • Variant — optional; restricts the tier to one variant of the product.

When an order is processed, the PriceTiersOrderProcessor (priority 15, runs before tax/shipping) picks the best-matching tier per item using the precedence (channel + variant) > variant > channel > generic, computes the discount with RoundingMode::CEILING, distributes it across units via sylius.distributor.integer, and attaches one adjustment per unit.