feat: 매입 세금계산서 수취 토글 기능 추가

- Purchase 모델에 tax_invoice_received 필드 추가
- PurchaseService에 toggleTaxInvoice() 메서드 추가
- UpdatePurchaseRequest에 tax_invoice_received 검증 규칙 추가
- 마이그레이션: purchases 테이블에 tax_invoice_received 컬럼 추가

app/Http/Requests/V1/Purchase/UpdatePurchaseRequest.php

@@ -21,6 +21,7 @@ public function rules(): array
             'total_amount' => ['sometimes', 'numeric', 'min:0'],
             'description' => ['nullable', 'string', 'max:1000'],
             'withdrawal_id' => ['nullable', 'integer', 'exists:withdrawals,id'],
+            'tax_invoice_received' => ['sometimes', 'boolean'],
         ];
     }
 

app/Models/Tenants/Purchase.php

@@ -22,6 +22,7 @@ class Purchase extends Model
         'description',
         'status',
         'withdrawal_id',
+        'tax_invoice_received',
         'created_by',
         'updated_by',
         'deleted_by',
@@ -34,6 +35,7 @@ class Purchase extends Model
         'total_amount' => 'decimal:2',
         'client_id' => 'integer',
         'withdrawal_id' => 'integer',
+        'tax_invoice_received' => 'boolean',
     ];
 
     /**

app/Services/PurchaseService.php

@@ -117,8 +117,12 @@ public function update(int $id, array $data): Purchase
                 ->where('tenant_id', $tenantId)
                 ->findOrFail($id);
 
-            // 확정 후에는 수정 불가
-            if (! $purchase->canEdit()) {
+            // 토글 필드만 업데이트하는 경우는 canEdit 체크 건너뛰기
+            $toggleOnlyFields = ['tax_invoice_received'];
+            $isToggleOnly = count(array_diff(array_keys($data), $toggleOnlyFields)) === 0;
+
+            // 확정 후에는 수정 불가 (토글 필드만 업데이트하는 경우 제외)
+            if (! $isToggleOnly && ! $purchase->canEdit()) {
                 throw new \Exception(__('error.purchase.cannot_edit'));
             }
 
@@ -143,6 +147,9 @@ public function update(int $id, array $data): Purchase
             if (array_key_exists('withdrawal_id', $data)) {
                 $purchase->withdrawal_id = $data['withdrawal_id'];
             }
+            if (array_key_exists('tax_invoice_received', $data)) {
+                $purchase->tax_invoice_received = $data['tax_invoice_received'];
+            }
 
             $purchase->updated_by = $userId;
             $purchase->save();