| 1 |
<?php |
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|
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namespace FluentCart\App\Services\Renderer\Receipt; |
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|
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use FluentCart\App\Models\Order; |
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use FluentCart\Framework\Support\Arr; |
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|
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class TaxSummaryHelper |
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{ |
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/** |
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* Compute inclusive/exclusive tax split from order data. |
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* |
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* Returns ['shouldRender' => false] when there is nothing to show. |
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* Otherwise returns shouldRender, isReverseCharge, inclusiveTax, exclusiveTax, |
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* shippingTax, payableTax, totalOrderTax — all amounts in cents. |
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*/ |
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public static function computeTaxSummary(Order $order) |
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{ |
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$order->loadMissing(['orderTaxRates']); |
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|
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$isReverseCharge = $order->isReverseChargeTaxOrder(); |
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$inclusiveTax = 0; |
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$exclusiveTax = 0; |
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|
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// Per-fee tax breakdown — stored at order placement, empty for old/fee-less orders. |
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$feeTaxLines = (array) $order->getMeta('fee_tax_lines', []); |
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$inclusiveFeeTax = 0; |
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$exclusiveFeeTax = 0; |
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foreach ($feeTaxLines as $ftl) { |
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if (!empty($ftl['inclusive'])) { |
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$inclusiveFeeTax += (int) Arr::get($ftl, 'tax_amount', 0); |
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} else { |
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$exclusiveFeeTax += (int) Arr::get($ftl, 'tax_amount', 0); |
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} |
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} |
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// Backward-compat: old orders persist fee_tax as a scalar with no fee_tax_lines array. |
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if (empty($feeTaxLines)) { |
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$legacyFeeTax = (int) $order->getMeta('fee_tax', 0); |
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if ($legacyFeeTax > 0) { |
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$exclusiveFeeTax = $legacyFeeTax; |
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$feeTaxLines = [ |
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[ |
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'label' => __('Fee', 'fluent-cart'), |
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'tax_amount' => $legacyFeeTax, |
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'inclusive' => false, |
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], |
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]; |
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} |
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} |
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$totalFeeTax = $inclusiveFeeTax + $exclusiveFeeTax; |
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|
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if ($order->orderTaxRates && $order->orderTaxRates->count()) { |
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foreach ($order->orderTaxRates as $rate) { |
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$meta = is_array($rate->meta) ? $rate->meta : []; |
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$isMixedInclusive = (bool) Arr::get($meta, 'is_mixed_inclusive', false); |
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if ($isMixedInclusive) { |
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list($rateIncl, $rateExcl) = self::splitMixedRateTax($order, (int) $rate->tax_rate_id); |
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if ($rateIncl === 0 && $rateExcl === 0 && (int) $rate->order_tax > 0) { |
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// No per-item breakdown (legacy order) — fall back to rate meta or tax_behavior. |
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if (isset($meta['inclusive'])) { |
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if ((bool) $meta['inclusive']) { |
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$inclusiveTax += (int) $rate->order_tax; |
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} else { |
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$exclusiveTax += (int) $rate->order_tax; |
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} |
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} elseif ((int) $order->tax_behavior === 2) { |
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$inclusiveTax += (int) $rate->order_tax; |
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} else { |
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$exclusiveTax += (int) $rate->order_tax; |
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} |
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} else { |
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$inclusiveTax += $rateIncl; |
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$exclusiveTax += $rateExcl; |
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} |
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} elseif (isset($meta['inclusive'])) { |
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if ((bool) $meta['inclusive']) { |
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$inclusiveTax += (int) $rate->order_tax; |
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} else { |
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$exclusiveTax += (int) $rate->order_tax; |
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} |
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} else { |
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if ((int) $order->tax_behavior === 2) { |
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$inclusiveTax += (int) $rate->order_tax; |
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} else { |
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$exclusiveTax += (int) $rate->order_tax; |
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} |
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} |
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} |
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|
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// Guard for orders where fct_order_tax_rate.order_tax was stored |
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// incorrectly by an old bug. order.tax_total is the authoritative |
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// value; if the rate-row sum differs, reset so the item-level |
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// fallback below sums from order_items.tax_amount instead. |
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// For mixed-inclusive orders, splitMixedRateTax() returns product-only |
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// tax (fee items have empty line_meta and are skipped). Accept the sum |
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// as valid when it equals order.tax_total minus the known fee tax. |
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$orderTaxTotal = (int) $order->tax_total; |
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$productTaxFromRates = $inclusiveTax + $exclusiveTax; |
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$productTaxExpected = $orderTaxTotal - $totalFeeTax; |
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if ($orderTaxTotal > 0 |
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&& $productTaxFromRates !== $orderTaxTotal |
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&& $productTaxFromRates !== $productTaxExpected |
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) { |
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$inclusiveTax = 0; |
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$exclusiveTax = 0; |
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} |
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// For non-mixed rate rows the full order_tax (product+fee) is in exclusiveTax |
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// or inclusiveTax — strip the fee portion so product tax is isolated. |
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if ($exclusiveFeeTax > 0 && $exclusiveTax >= $exclusiveFeeTax) { |
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$exclusiveTax -= $exclusiveFeeTax; |
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} |
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if ($inclusiveFeeTax > 0 && $inclusiveTax >= $inclusiveFeeTax) { |
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$inclusiveTax -= $inclusiveFeeTax; |
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} |
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} else { |
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$isInclusive = (int) $order->tax_behavior === 2; |
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$orderTaxTotal = max(0, (int) $order->tax_total - $totalFeeTax); |
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$inclusiveTax = $isInclusive ? $orderTaxTotal : 0; |
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$exclusiveTax = $isInclusive ? 0 : $orderTaxTotal; |
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} |
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|
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// Fallback: sum item-level tax_amount when order.tax_total was never written (e.g. admin-created orders). |
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if ($inclusiveTax === 0 && $exclusiveTax === 0) { |
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$order->loadMissing(['order_items']); |
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if ($order->order_items) { |
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$taxBehavior = (int) $order->tax_behavior; |
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foreach ($order->order_items as $item) { |
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if ($item->payment_type === 'fee') { |
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continue; |
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} |
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$itemTax = (int) round($item->tax_amount); |
| 132 |
if ($itemTax <= 0) { |
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continue; |
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} |
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if ($taxBehavior === 3) { |
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$lineMeta = $item->line_meta; |
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$lineInclusive = (bool) Arr::get($lineMeta, 'tax_config.inclusive', false); |
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if ($lineInclusive) { |
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$inclusiveTax += $itemTax; |
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} else { |
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$exclusiveTax += $itemTax; |
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} |
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} elseif ($taxBehavior === 1) { |
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$exclusiveTax += $itemTax; |
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} else { |
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$inclusiveTax += $itemTax; |
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} |
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} |
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} |
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} |
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|
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$shippingTax = (int) $order->shipping_tax; |
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$isShippingInclusive = self::isShippingTaxInclusive($order); |
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$payableTax = $exclusiveTax + $exclusiveFeeTax + ($isShippingInclusive ? 0 : $shippingTax); |
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$totalOrderTax = $inclusiveTax + $inclusiveFeeTax + ($isShippingInclusive ? $shippingTax : 0) + $payableTax; |
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$taxRateLines = $order->getDisplayTaxLines(); |
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$shippingTaxLines = $order->getDisplayShippingTaxLines(); |
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|
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if ($inclusiveTax === 0 && $inclusiveFeeTax === 0 && $payableTax === 0 && $shippingTax === 0 && empty($taxRateLines) && !$isReverseCharge) { |
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return [ |
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'shouldRender' => false, |
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'taxRateLines' => $taxRateLines, |
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'shippingTaxLines' => $shippingTaxLines, |
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'foldedRateLines' => [], |
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'includedInPrices' => 0, |
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]; |
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} |
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|
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$shouldRender = apply_filters('fluent_cart/tax_summary_should_render', true, $order); |
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|
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$reversedTaxTotal = 0; |
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$reversedShippingTax = 0; |
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$rcPriceMode = ''; |
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$rcShippingAdjustment = 0; |
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$shippingNetStored = false; |
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if ($isReverseCharge) { |
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$primaryRate = $order->orderTaxRates ? $order->orderTaxRates->first() : null; |
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if ($primaryRate) { |
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$meta = is_array($primaryRate->meta) ? $primaryRate->meta : []; |
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$reversedTaxTotal = (int) Arr::get($meta, 'reverse_charge_original_tax_total', 0); |
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$reversedShippingTax = (int) Arr::get($meta, 'reverse_charge_original_shipping_tax', 0); |
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$rcPriceMode = (string) Arr::get($meta, 'reverse_charge_price_mode', 'fixed'); |
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$shippingNetStored = !empty($meta['shipping_net_stored']); |
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} |
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// Only apply the display adjustment for orders where shipping_total in DB is still gross. |
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// New orders (shipping_net_stored = true) already have net shipping in DB — no adjustment. |
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if ($rcPriceMode === 'dynamic' && $isShippingInclusive && $reversedShippingTax > 0 && !$shippingNetStored) { |
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$rcShippingAdjustment = $reversedShippingTax; |
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} |
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} |
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// Show RC shipping strikethrough row only for exclusive shipping tax that was reversed. |
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// For inclusive shipping it either already reduced the price (dynamic) or didn't change |
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// it at all (fixed), so the strikethrough is misleading in both cases. |
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$showRcShippingRow = $isReverseCharge && !$isShippingInclusive && $reversedShippingTax > 0; |
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|
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return [ |
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'shouldRender' => (bool) $shouldRender, |
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'isReverseCharge' => $isReverseCharge, |
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'inclusiveTax' => $inclusiveTax, |
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'exclusiveTax' => $exclusiveTax, |
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'taxRateLines' => $taxRateLines, |
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'feeTaxLines' => $feeTaxLines, |
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'feeTaxLineRows' => self::buildFeeTaxLineRows($feeTaxLines), |
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'inclusiveFeeTax' => $inclusiveFeeTax, |
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'shippingTax' => $shippingTax, |
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'shippingTaxLines' => $shippingTaxLines, |
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'payableTax' => $payableTax, |
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'totalOrderTax' => $totalOrderTax, |
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'isShippingInclusive' => $isShippingInclusive, |
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'reversedTaxTotal' => $reversedTaxTotal, |
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'reversedShippingTax' => $reversedShippingTax, |
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'rcPriceMode' => $rcPriceMode, |
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'rcShippingAdjustment' => $rcShippingAdjustment, |
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'rcTotalAdjustment' => $rcShippingAdjustment, |
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'showRcShippingRow' => $showRcShippingRow, |
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'foldedRateLines' => self::buildFoldedRateRows($taxRateLines, $shippingTaxLines, 'order_tax', $isShippingInclusive), |
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// Inclusive shipping tax follows the store global tax mode: when shipping is |
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// priced inclusive its tax is already baked into the shipping price, so it |
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// belongs in "of which included in prices". This keeps |
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// includedInPrices + payableTax === totalOrderTax on every surface. |
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'includedInPrices' => $inclusiveTax + $inclusiveFeeTax + ($isShippingInclusive ? $shippingTax : 0), |
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]; |
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} |
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|
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/** |
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* For a mixed-inclusive rate (same rate used inclusively on some items and exclusively on others), |
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* read each order item's line_meta to produce the correct inclusive/exclusive split. |
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* Handles both item shapes: |
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* - Current (all item types): line_meta.tax_config.rates[] + line_meta.tax_config.inclusive |
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* - Legacy signup-fee: line_meta.rates[] + line_meta.inclusive (no tax_config wrapper) |
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* Returns [inclusiveTax, exclusiveTax] in cents. |
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*/ |
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private static function splitMixedRateTax(Order $order, $rateId) |
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{ |
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$order->loadMissing(['order_items']); |
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$incl = 0; |
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$excl = 0; |
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if (!$order->order_items) { |
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return [0, 0]; |
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} |
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foreach ($order->order_items as $item) { |
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$lineMeta = $item->line_meta; |
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$taxConfig = Arr::get($lineMeta, 'tax_config'); |
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if (is_array($taxConfig)) { |
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$rates = Arr::get($taxConfig, 'rates', []); |
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$lineInclusive = (bool) Arr::get($taxConfig, 'inclusive', false); |
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} else { |
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$rates = Arr::get($lineMeta, 'rates', []); |
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$lineInclusive = (bool) Arr::get($lineMeta, 'inclusive', false); |
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} |
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foreach ($rates as $rate) { |
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if ((int) Arr::get($rate, 'rate_id', 0) !== $rateId) { |
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continue; |
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} |
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$taxAmount = (int) Arr::get($rate, 'tax_amount', 0); |
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if ($taxAmount <= 0) { |
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continue; |
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} |
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if ($lineInclusive) { |
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$incl += $taxAmount; |
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} else { |
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$excl += $taxAmount; |
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} |
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} |
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} |
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return [$incl, $excl]; |
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} |
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|
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/** |
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* Extract per-rate tax breakdown from a single order item. |
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* |
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* Reads `line_meta.tax_config.rates`, filters out zero-amount entries, and |
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* returns a flat array of rate rows. Returns [] for old items without |
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* tax_config — callers must check for empty before looping. |
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*/ |
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public static function getItemTaxRates(array $item) |
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{ |
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// Current items (all types): line_meta.tax_config.rates |
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// Legacy signup_fee items: line_meta.rates (no tax_config wrapper — set directly from signup_fee_tax_config) |
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$taxConfig = Arr::get($item, 'line_meta.tax_config'); |
| 281 |
if (is_array($taxConfig)) { |
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$rates = Arr::get($taxConfig, 'rates', []); |
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$inclusive = (bool) Arr::get($taxConfig, 'inclusive', false); |
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} else { |
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$rates = Arr::get($item, 'line_meta.rates', []); |
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$inclusive = (bool) Arr::get($item, 'line_meta.inclusive', false); |
| 287 |
} |
| 288 |
|
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if (empty($rates)) { |
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return []; |
| 291 |
} |
| 292 |
|
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$result = []; |
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foreach ($rates as $rate) { |
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$taxAmount = (int) Arr::get($rate, 'tax_amount', 0); |
| 296 |
if ($taxAmount <= 0) { |
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continue; |
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} |
| 299 |
$result[] = [ |
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'label' => Arr::get($rate, 'label') ?: __('Tax', 'fluent-cart'), |
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'tax_amount' => $taxAmount, |
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'rate_percent' => max(0.0, (float) Arr::get($rate, 'rate_percent', 0)), |
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'inclusive' => $inclusive, |
| 304 |
]; |
| 305 |
} |
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|
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return $result; |
| 308 |
} |
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|
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/** |
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* Determine whether the primary tax type for an order is inclusive. |
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* Used for per-item pill display (fct_order_tax_rate has no order_item_id). |
| 313 |
*/ |
| 314 |
public static function isPrimaryTaxInclusive(Order $order) |
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{ |
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$order->loadMissing(['orderTaxRates']); |
| 317 |
|
| 318 |
if ($order->orderTaxRates && $order->orderTaxRates->count() === 1) { |
| 319 |
$rate = $order->orderTaxRates->first(); |
| 320 |
$meta = is_array($rate->meta) ? $rate->meta : []; |
| 321 |
if (isset($meta['inclusive'])) { |
| 322 |
return (bool) $meta['inclusive']; |
| 323 |
} |
| 324 |
} |
| 325 |
|
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return (int) $order->tax_behavior === 2; |
| 327 |
} |
| 328 |
|
| 329 |
/** |
| 330 |
* Determine whether the shipping tax on an order was charged inclusive of the |
| 331 |
* shipping price (vs. added on top). Reads `meta.shipping_inclusive` (written |
| 332 |
* from the store-level tax mode at order placement) from each rate row that |
| 333 |
* contributed shipping_tax. Falls back to $order->tax_behavior === 2. |
| 334 |
* |
| 335 |
* Shipping always follows the store-level tax mode — per-product `meta.inclusive` |
| 336 |
* is intentionally NOT consulted here. |
| 337 |
*/ |
| 338 |
public static function isShippingTaxInclusive(Order $order) |
| 339 |
{ |
| 340 |
$order->loadMissing(['orderTaxRates']); |
| 341 |
|
| 342 |
if ($order->orderTaxRates && $order->orderTaxRates->count()) { |
| 343 |
$shippingRatesInclusive = null; |
| 344 |
foreach ($order->orderTaxRates as $rate) { |
| 345 |
$meta = is_array($rate->meta) ? $rate->meta : []; |
| 346 |
// On reverse-charge orders shipping_tax is zeroed; detect via the |
| 347 |
// pre-zeroed snapshot stored in meta before falling back. |
| 348 |
$hasShippingContrib = (int) $rate->shipping_tax > 0 |
| 349 |
|| (int) Arr::get($meta, 'reverse_charge_original_shipping_tax', 0) > 0; |
| 350 |
if (!$hasShippingContrib) { |
| 351 |
continue; |
| 352 |
} |
| 353 |
if (!isset($meta['shipping_inclusive'])) { |
| 354 |
continue; |
| 355 |
} |
| 356 |
$rateInclusive = (bool) $meta['shipping_inclusive']; |
| 357 |
if ($shippingRatesInclusive === null) { |
| 358 |
$shippingRatesInclusive = $rateInclusive; |
| 359 |
} elseif ($shippingRatesInclusive !== $rateInclusive) { |
| 360 |
return (int) $order->tax_behavior === 2; |
| 361 |
} |
| 362 |
} |
| 363 |
if ($shippingRatesInclusive !== null) { |
| 364 |
return $shippingRatesInclusive; |
| 365 |
} |
| 366 |
} |
| 367 |
|
| 368 |
return (int) $order->tax_behavior === 2; |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* Returns display-ready fee tax line rows, filtering out zero-amount entries |
| 373 |
* and pre-computing the translated label for each surface to render. |
| 374 |
* Each entry: ['label' => string, 'tax_amount' => int, 'inclusive' => bool, 'display_label' => string] |
| 375 |
*/ |
| 376 |
public static function buildFeeTaxLineRows(array $feeTaxLines) |
| 377 |
{ |
| 378 |
$rows = []; |
| 379 |
foreach ($feeTaxLines as $ftl) { |
| 380 |
$taxAmount = (int) Arr::get($ftl, 'tax_amount', 0); |
| 381 |
if ($taxAmount <= 0) { |
| 382 |
continue; |
| 383 |
} |
| 384 |
$inclusive = !empty($ftl['inclusive']); |
| 385 |
$feeLabel = Arr::get($ftl, 'label', __('fee', 'fluent-cart')); |
| 386 |
/* translators: %1$s: fee label */ |
| 387 |
$displayLabel = $inclusive |
| 388 |
? sprintf(__('Included in %1$s', 'fluent-cart'), $feeLabel) |
| 389 |
: sprintf(__('Added on %1$s', 'fluent-cart'), $feeLabel); |
| 390 |
$rows[] = [ |
| 391 |
'label' => $feeLabel, |
| 392 |
'tax_amount' => $taxAmount, |
| 393 |
'inclusive' => $inclusive, |
| 394 |
'display_label' => $displayLabel, |
| 395 |
]; |
| 396 |
} |
| 397 |
return $rows; |
| 398 |
} |
| 399 |
|
| 400 |
/** |
| 401 |
* Build a folded per-rate row array for the 3-column tax breakdown table. |
| 402 |
* |
| 403 |
* Merges order-tax rate lines with shipping-tax lines by rate_id so each rate |
| 404 |
* appears once with its combined tax and computed taxable base. |
| 405 |
* |
| 406 |
* @param array $rateLines Output of Order::getDisplayTaxLines(). |
| 407 |
* @param array $shippingLines Output of Order::getDisplayShippingTaxLines(). |
| 408 |
* @param string $taxAmountKey Key holding the order tax amount in each $rateLine ('order_tax'). |
| 409 |
* @param bool $isShippingInclusive Whether shipping tax is inclusive. |
| 410 |
* @return array Each row: ['label'=>string,'base'=>int,'tax'=>int,'inclusive'=>bool] |
| 411 |
*/ |
| 412 |
public static function buildFoldedRateRows($rateLines, $shippingLines, $taxAmountKey, $isShippingInclusive) |
| 413 |
{ |
| 414 |
$rateLines = is_array($rateLines) ? $rateLines : []; |
| 415 |
$shippingLines = is_array($shippingLines) ? $shippingLines : []; |
| 416 |
if (empty($rateLines) && empty($shippingLines)) { |
| 417 |
return []; |
| 418 |
} |
| 419 |
$shippingByRate = []; |
| 420 |
foreach ($shippingLines as $shLine) { |
| 421 |
$shippingByRate[(int) Arr::get($shLine, 'rate_id', 0)] = (int) Arr::get($shLine, 'shipping_tax', 0); |
| 422 |
} |
| 423 |
$rows = []; |
| 424 |
foreach ($rateLines as $rateKey => $rateLine) { |
| 425 |
$rid = (int) Arr::get($rateLine, 'rate_id', $rateKey); |
| 426 |
$ratePercent = (float) Arr::get($rateLine, 'rate_percent', 0); |
| 427 |
$shipForRate = isset($shippingByRate[$rid]) ? (int) $shippingByRate[$rid] : 0; |
| 428 |
unset($shippingByRate[$rid]); |
| 429 |
$combinedTax = (int) Arr::get($rateLine, $taxAmountKey, 0) + $shipForRate; |
| 430 |
$base = $ratePercent > 0 |
| 431 |
? (int) round($combinedTax * 100 / $ratePercent) |
| 432 |
: (int) Arr::get($rateLine, 'taxable_amount', 0); |
| 433 |
$label = (string) Arr::get($rateLine, 'rate_label', Arr::get($rateLine, 'label', '')); |
| 434 |
$rows[] = [ |
| 435 |
'label' => $label, |
| 436 |
'base' => $base, |
| 437 |
'tax' => $combinedTax, |
| 438 |
'inclusive' => !empty($rateLine['inclusive']), |
| 439 |
]; |
| 440 |
} |
| 441 |
foreach ($shippingByRate as $sid => $shAmount) { // shipping-only rates |
| 442 |
if ($shAmount <= 0) { |
| 443 |
continue; |
| 444 |
} |
| 445 |
$shLine = null; |
| 446 |
foreach ($shippingLines as $cand) { |
| 447 |
if ((int) Arr::get($cand, 'rate_id', 0) === (int) $sid) { |
| 448 |
$shLine = $cand; |
| 449 |
break; |
| 450 |
} |
| 451 |
} |
| 452 |
$ratePercent = (float) Arr::get($shLine, 'rate_percent', 0); |
| 453 |
$base = $ratePercent > 0 ? (int) round($shAmount * 100 / $ratePercent) : 0; |
| 454 |
$rows[] = [ |
| 455 |
'label' => (string) Arr::get($shLine, 'rate_label', Arr::get($shLine, 'label', '')), |
| 456 |
'base' => $base, |
| 457 |
'tax' => $shAmount, |
| 458 |
'inclusive' => (bool) $isShippingInclusive, |
| 459 |
]; |
| 460 |
} |
| 461 |
return $rows; |
| 462 |
} |
| 463 |
|
| 464 |
/** |
| 465 |
* Checkout-side variant: determines whether the shipping tax is inclusive of the |
| 466 |
* shipping price. Shipping always follows the store-level tax mode, so this returns |
| 467 |
* true only when store_tax_behavior === 2 (inclusive). Per-product inclusive flags |
| 468 |
* are intentionally NOT consulted — they do not govern shipping. |
| 469 |
*/ |
| 470 |
public static function isShippingTaxInclusiveFromTaxData(array $taxData) |
| 471 |
{ |
| 472 |
$storeBehavior = (int) Arr::get($taxData, 'store_tax_behavior', Arr::get($taxData, 'tax_behavior', 2)); |
| 473 |
|
| 474 |
return $storeBehavior === 2; |
| 475 |
} |
| 476 |
} |
| 477 |
|
