Hoan thien core finance v2 - Calculation Pipeline, Form Templates

2026-04-28 03:57:18 +00:00
parent 002c9a8b99
commit 49aa20a634
24 changed files with 1043 additions and 875 deletions
--- a/app/Services/Calculation/PriceCalculationService.php
+++ b/app/Services/Calculation/PriceCalculationService.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace App\Services\Calculation;
+
+use App\Models\Contract;
+
+class PriceCalculationService
+{
+    public static function forContract(Contract $contract): CalculationPipeline
+    {
+        $pipeline = new CalculationPipeline();
+
+        // Bước 1: Tổng giá trị trước chiết khấu
+        $pipeline->addStep(new CalculationStep(
+            name: 'Giá trị QSDĐ',
+            outputKey: 'land_value',
+            formula: fn ($data) => (float) ($data['land_value'] ?? 0),
+            roundingRule: RoundingRule::UNIT,
+            dependencies: []
+        ));
+
+        $pipeline->addStep(new CalculationStep(
+            name: 'Giá trị Móng',
+            outputKey: 'foundation_value',
+            formula: fn ($data) => (float) ($data['foundation_value'] ?? 0),
+            roundingRule: RoundingRule::UNIT,
+            dependencies: []
+        ));
+
+        $pipeline->addStep(new CalculationStep(
+            name: 'Tổng giá trị trước chiết khấu',
+            outputKey: 'subtotal',
+            formula: fn ($data) => $data['land_value'] + $data['foundation_value'],
+            roundingRule: RoundingRule::UNIT,
+            dependencies: ['land_value', 'foundation_value']
+        ));
+
+        // Bước 2: Chiết khấu
+        $pipeline->addStep(new CalculationStep(
+            name: 'Chiết khấu',
+            outputKey: 'discount_amount',
+            formula: function ($data) {
+                $details = $data['discount_details'] ?? [];
+                if (!empty($details['total_amount'])) {
+                    return (float) $details['total_amount'];
+                }
+                if (!empty($details['total_percentage'])) {
+                    return $data['subtotal'] * ((float) $details['total_percentage'] / 100);
+                }
+                return 0;
+            },
+            roundingRule: RoundingRule::UNIT,
+            dependencies: ['subtotal', 'discount_details']
+        ));
+
+        // Bước 3: Sau chiết khấu
+        $pipeline->addStep(new CalculationStep(
+            name: 'Giá trị sau chiết khấu',
+            outputKey: 'net_value',
+            formula: fn ($data) => $data['subtotal'] - $data['discount_amount'],
+            roundingRule: RoundingRule::UNIT,
+            dependencies: ['subtotal', 'discount_amount']
+        ));
+
+        // Bước 4: VAT (nếu có)
+        $pipeline->addStep(new CalculationStep(
+            name: 'Thuế VAT',
+            outputKey: 'vat_amount',
+            formula: function ($data) {
+                $vatRate = (float) ($data['vat_rate'] ?? 0);
+                return $data['net_value'] * ($vatRate / 100);
+            },
+            roundingRule: RoundingRule::UNIT,
+            dependencies: ['net_value', 'vat_rate']
+        ));
+
+        // Bước 5: Tổng thanh toán
+        $pipeline->addStep(new CalculationStep(
+            name: 'Tổng thanh toán',
+            outputKey: 'total_payment',
+            formula: fn ($data) => $data['net_value'] + $data['vat_amount'],
+            roundingRule: RoundingRule::UNIT,
+            dependencies: ['net_value', 'vat_amount']
+        ));
+
+        return $pipeline;
+    }
+
+    public static function calculateForContract(Contract $contract, array $overrides = []): CalculationResult
+    {
+        $pipeline = self::forContract($contract);
+        $data = [
+            'land_value' => (float) $contract->land_value,
+            'foundation_value' => (float) $contract->foundation_value,
+            'discount_details' => $contract->discount_details ?? [],
+            'vat_rate' => (float) ($contract->metadata['vat_rate'] ?? 0),
+        ];
+
+        // Áp dụng ghi đè nếu có
+        if (!empty($overrides)) {
+            foreach ($pipeline->getSteps() as $step) {
+                if (isset($overrides[$step->outputKey()])) {
+                    $step->override((int) $overrides[$step->outputKey()]);
+                }
+            }
+        }
+
+        return $pipeline->execute($data);
+    }
+}