changes

api/urls.py

@@ -14,10 +14,9 @@ Including another URLconf
     2. Add a URL to urlpatterns:  re_path('blog/', include('blog.urls'))
 """
 from django.urls import re_path
-from app import views, cob, payment, contract, cleardata, email, backup, server, workflows,api_workflow, importdata
+from app import views, cob, payment, contract, cleardata, email, backup, server,api_workflow, importdata
 
 urlpatterns = [
-    # New Workflow Endpoints
     re_path("workflow/execute/$", api_workflow.execute_workflow),
 
     # Existing Endpoints

app/workflows.py

@@ -1,325 +0,0 @@
-# workflows.py
-from rest_framework.decorators import api_view
-from rest_framework.response import Response
-from rest_framework import status
-from django.db import transaction
-from django.db.models import F
-from decimal import Decimal
-from app.models import (
-    Transaction,User, Transaction_Detail, Product, Product_Status, Payment_Schedule, 
-    Transaction_Phase, Transaction_Status, Payment_Status, Entry_Category,
-    Payment_Plan,Product_Booked
-)
-from app.payment import account_entry_api
-from datetime import datetime, timedelta # Corrected: Import timedelta
-
-@api_view(['POST'])
-@transaction.atomic
-def create_reservation(request):
-    """
-    Tạo một giao dịch giữ chỗ (24h hoặc giữ chỗ thường).
-    """
-    data = request.data
-    try:
-        phase_code = data.get('phase_code')
-        deposit_received = data.get('deposit_received')
-        customer_id = data.get('customer_id')
-        product_id = data.get('product_id')
-        policy_id = data.get('policy_id')
-        user_id = data.get('user_id')
-        origin_price = data.get('origin_price')
-        discount_amount = data.get('discount_amount', 0)
-        sale_price = data.get('sale_price')
-        deposit_amount = data.get('deposit_amount')
-        installments = data.get('installments', [])
-        payment_plan = data.get('payment_plan', None)
-
-        reservation_phase = Transaction_Phase.objects.get(code=phase_code) 
-        initial_detail_status = Transaction_Status.objects.get(code='new')
-        # Correction: Use 'unpaid' for unconfirmed payment status
-        unconfirmed_payment_status = Payment_Status.objects.get(code='unpaid')
-
-        if phase_code == 'reserved24H':
-            product_status_code = 'resvered24H'
-        elif phase_code == 'deposit':
-            product_status_code = 'deposit'
-        elif phase_code == 'fulfillwish':
-            product_status_code = 'deposit'
-        else:
-            product_status_code = 'resvered'
-        product_status_reserved = Product_Status.objects.get(code=product_status_code)
-
-        transaction_obj = Transaction.objects.create(
-            customer_id=customer_id, product_id=product_id, policy_id=policy_id,
-            phase=reservation_phase, date=datetime.now().strftime('%Y-%m-%d'),
-            origin_price=origin_price, discount_amount=discount_amount, sale_price=sale_price,
-            deposit_amount=deposit_amount, deposit_received=0,
-            deposit_remaining=deposit_amount, amount_received=0,
-            payment_plan=payment_plan
-        )
-
-        amount_recived = installments[0].get('amount') if installments else 0
-        transaction_detail_obj = Transaction_Detail.objects.create(
-            transaction=transaction_obj, phase=reservation_phase, status=initial_detail_status,
-            date=datetime.now().strftime('%Y-%m-%d'),amount=deposit_amount,amount_recived=amount_recived,
-            due_date=datetime.now().replace(hour=0, minute=0, second=0, microsecond=0) + timedelta(days=2),
-            creator_id=user_id
-        )
-
-        product_obj = Product.objects.get(id=product_id)
-        product_obj.status = product_status_reserved
-        product_obj.save()
-        
-        product_booked_obj = Product_Booked.objects.create(
-            transaction=transaction_obj, 
-            product=product_obj
-        )
-            
-        schedules = []
-        for i, installment in enumerate(installments):
-            schedule = Payment_Schedule.objects.create(
-                txn_detail=transaction_detail_obj,
-                from_date=datetime.now().strftime('%Y-%m-%d'),
-                to_date=datetime.now().replace(hour=0, minute=0, second=0, microsecond=0) + timedelta(days=installment.get('due_days', 0)),
-                amount=installment.get('amount'), cycle=i + 1,
-                cycle_days=installment.get('due_days', 0), type_id=1,
-                status=unconfirmed_payment_status, updater_id=user_id,
-                detail={'note': f"Thanh toán cọc đợt {i+1}"}
-            )
-            schedules.append(schedule.id)
-
-        return Response({
-            'message': f'Giao dịch "{reservation_phase.name}" đã được tạo thành công.',
-            'transaction_id': transaction_obj.id,
-            'transaction_code': transaction_obj.code,
-            'transaction_detail_id': transaction_detail_obj.id,
-            'product_status': product_obj.status.name,
-            'payment_schedule_ids': schedules
-        }, status=status.HTTP_201_CREATED)
-
-    except Exception as e:
-        return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)
-
-@api_view(['POST'])
-@transaction.atomic
-def confirm_payment_schedule(request):
-    """
-    Kế toán xác nhận một công nợ (Payment_Schedule).
-    Job chạy ngầm sẽ lo việc chuyển trạng thái detail.
-    """
-    data = request.data
-    try:
-        payment_schedule_id = data.get('payment_schedule_id')
-        accountant_id = data.get('user_id')
-        internal_account_code = data.get('internal_account_code', 'HOAC02VND')
-
-        # Correction: Use 'paid' for confirmed payment status
-        confirmed_payment_status = Payment_Status.objects.get(code='paid')
-        
-        schedule_obj = Payment_Schedule.objects.select_related('txn_detail', 'txn_detail__transaction__customer', 'status').get(id=payment_schedule_id)
-        
-        if schedule_obj.status.code == 'paid':
-            return Response({'message': 'Công nợ này đã được xác nhận trước đó.'}, status=status.HTTP_200_OK)
-
-        schedule_obj.status = confirmed_payment_status
-        schedule_obj.updater_id = accountant_id
-        
-        entry_content = f"Xác nhận thanh toán đợt {schedule_obj.cycle} cho GD {schedule_obj.txn_detail.code} của KH {schedule_obj.txn_detail.transaction.customer.code}"
-        deposit_category = Entry_Category.objects.get(code='THU_COC')
-
-        entry_data = account_entry_api(
-            code=internal_account_code, amount=schedule_obj.amount, content=entry_content,
-            type='CR', category=deposit_category.id, userid=accountant_id,
-            ref=schedule_obj.txn_detail.code
-        )
-
-        if 'error' in entry_data:
-            raise Exception(entry_data['error'])
-        
-        schedule_obj.entry_id = entry_data['id']
-        schedule_obj.save()
-
-        transaction_obj = schedule_obj.txn_detail.transaction
-        
-        schedule_amount = Decimal(str(schedule_obj.amount))
-
-        transaction_obj.amount_received = (transaction_obj.amount_received or Decimal('0')) + schedule_amount
-        transaction_obj.deposit_received = (transaction_obj.deposit_received or Decimal('0')) + schedule_amount
-        transaction_obj.deposit_remaining = (transaction_obj.deposit_remaining or Decimal('0')) - schedule_amount
-        transaction_obj.save()
-        
-        return Response({
-            'message': 'Công nợ đã được xác nhận thành công.'
-        }, status=status.HTTP_200_OK)
-
-    except Exception as e:
-        return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)
-
-
-@api_view(['POST'])
-@transaction.atomic
-def approve_transaction_detail(request):
-    """
-    Duyệt một Transaction_Detail.
-    Nếu phase là 'reserved24H', sẽ tự động chuyển Transaction sang phase 'reserved'.
-    """
-    data = request.data
-    try:
-        transaction_detail_id = data.get('transaction_detail_id')
-        approver_id = data.get('user_id')
-
-        detail_obj = Transaction_Detail.objects.select_related('status', 'phase', 'transaction').get(id=transaction_detail_id)
-        
-        user_obj = User.objects.get(id=approver_id)
-        
-        if detail_obj.status.code != 'pending':
-            return Response(
-                {'error': f'Giao dịch không ở trạng thái "Chờ duyệt". Trạng thái hiện tại: {detail_obj.status.name}'},
-                status=status.HTTP_400_BAD_REQUEST
-            )
-
-        # Correction: Use 'approved' for approved status
-        approved_status = Transaction_Status.objects.get(code='approved')
-        detail_obj.status = approved_status
-        detail_obj.approver = user_obj
-        detail_obj.approve_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
-        detail_obj.save()
-
-        if detail_obj.phase.code == 'reserved24H':
-            transaction_obj = detail_obj.transaction
-            
-            next_phase_obj = Transaction_Phase.objects.get(code='reserved')
-            transaction_obj.phase = next_phase_obj
-            transaction_obj.save()
-
-            productId = transaction_obj.product_id
-            product_obj = Product.objects.get(id=productId)
-            product_obj.status = Product_Status.objects.get(code='resvered')
-            product_obj.save()
-
-            new_detail_obj = Transaction_Detail.objects.create(
-                transaction=transaction_obj, phase=next_phase_obj,
-                status=Transaction_Status.objects.get(code='new'), 
-                date=datetime.now().strftime('%Y-%m-%d'),
-                amount=0, creator_id=approver_id
-            )
-            
-            return Response({
-                'message': 'Giao dịch đã được duyệt và tự động chuyển sang giai đoạn "Giữ chỗ".',
-                'transaction_id': transaction_obj.id,
-                'new_transaction_phase': next_phase_obj.name,
-                'new_transaction_detail_id': new_detail_obj.id
-            }, status=status.HTTP_200_OK)
-        else:
-            return Response({
-                'message': 'Giao dịch đã được duyệt thành công.',
-                'transaction_detail_id': detail_obj.id,
-                'new_status': approved_status.name
-            }, status=status.HTTP_200_OK)
-
-    except Exception as e:
-        return Response({'error ': str(e)}, status=status.HTTP_400_BAD_REQUEST)
-
-@api_view(['POST'])
-@transaction.atomic
-def advance_transaction_phase(request):
-    """
-    Chuyển một Transaction sang một giai đoạn mới và tự động tạo công nợ nếu cần.
-    """
-    data = request.data
-    try:
-        transaction_id = data.get('transaction_id')
-        next_phase_code = data.get('next_phase_code')
-        user_id = data.get('user_id')
-        product_status = data.get('product_status')
-
-
-        if not all([transaction_id, next_phase_code, user_id]):
-            return Response({'error': 'transaction_id, next_phase_code, và user_id là bắt buộc.'}, status=status.HTTP_400_BAD_REQUEST)
-
-        transaction_obj = Transaction.objects.select_related('phase', 'product', 'policy').get(id=transaction_id)
-
-        next_phase_obj = Transaction_Phase.objects.get(code=next_phase_code)
-        initial_detail_status = Transaction_Status.objects.get(code='new')
-        
-        next_product_status = Product_Status.objects.get(code=product_status)
-
-        transaction_obj.phase = next_phase_obj
-        transaction_obj.save()
-
-        productId = transaction_obj.product_id
-        product_obj = Product.objects.get(id=productId)
-        product_obj.status = next_product_status
-        product_obj.save()
-
-        new_detail_obj = Transaction_Detail.objects.create(
-            transaction=transaction_obj, phase=next_phase_obj, status=initial_detail_status,
-            date=datetime.now().strftime('%Y-%m-%d'),
-            amount=0, creator_id=user_id
-        )
-
-        if next_phase_code == 'pertrade':
-            unconfirmed_payment_status = Payment_Status.objects.get(code='unpaid')
-            total_plan_amount = 0
-
-            # Ưu tiên kế hoạch thanh toán riêng trong giao dịch
-            if transaction_obj.payment_plan and isinstance(transaction_obj.payment_plan, list):
-                for i, plan_item in enumerate(transaction_obj.payment_plan):
-                    plan_amount = Decimal(str(plan_item.get('amount', 0)))
-                    due_days = plan_item.get('due_days', 0)
-                    total_plan_amount += plan_amount
-                    Payment_Schedule.objects.create(
-                        txn_detail=new_detail_obj,
-                        from_date=datetime.now().strftime('%Y-%m-%d'),
-                        to_date=datetime.now().replace(hour=0, minute=0, second=0, microsecond=0) + timedelta(days=due_days),
-                        amount=plan_amount,
-                        cycle=i + 1,
-                        cycle_days=due_days,
-                        type_id=2,  # Giả sử type_id=2 cho thanh toán mua bán
-                        status=unconfirmed_payment_status,
-                        updater_id=user_id,
-                        detail={'note': f"Thanh toán đợt {i + 1} theo kế hoạch riêng"}
-                    )
-                new_detail_obj.amount = total_plan_amount
-                new_detail_obj.save()
-            
-            # Nếu không có kế hoạch riêng, dùng chính sách bán hàng
-            elif transaction_obj.policy:
-                payment_plans_from_policy = Payment_Plan.objects.filter(policy=transaction_obj.policy).select_related('type').order_by('cycle')
-                if payment_plans_from_policy.exists():
-                    for plan in payment_plans_from_policy:
-                        plan_amount = 0
-                        if plan.type.code == 'percentage':
-                            plan_amount = (transaction_obj.sale_price * plan.value) / 100
-                        elif plan.type.code == 'money':
-                            plan_amount = plan.value
-                        
-                        total_plan_amount += Decimal(str(plan_amount))
-                        Payment_Schedule.objects.create(
-                            txn_detail=new_detail_obj, from_date=datetime.now().strftime('%Y-%m-%d'),
-                            to_date=datetime.now().replace(hour=0, minute=0, second=0, microsecond=0) + timedelta(days=plan.days),
-                            amount=plan_amount, cycle=plan.cycle, cycle_days=plan.days,
-                            type_id=2, status=unconfirmed_payment_status, updater_id=user_id,
-                            detail={'note': f"Thanh toán đợt {plan.cycle} theo chính sách {transaction_obj.policy.name}"}
-                        )
-                    new_detail_obj.amount = total_plan_amount
-                    new_detail_obj.save()
-            else:
-                raise Exception("Giao dịch không có chính sách bán hàng hoặc kế hoạch thanh toán riêng để tạo công nợ.")
-
-        return Response({
-            'message': f'Giao dịch đã được chuyển thành công sang giai đoạn "{next_phase_obj.name}".',
-            'transaction_id': transaction_obj.id,
-            'new_transaction_detail_id': new_detail_obj.id,
-            'new_transaction_detail_code': new_detail_obj.code,
-            'product_id': productId,
-            'customer':transaction_obj.customer.id,
-            'new_product_status': next_product_status.name
-        }, status=status.HTTP_200_OK)
-
-    except Transaction.DoesNotExist:
-        return Response({'error': 'Giao dịch không tồn tại.'}, status=status.HTTP_404_NOT_FOUND)
-    except Transaction_Phase.DoesNotExist:
-        return Response({'error': f'Giai đoạn mới "{next_phase_code}" không hợp lệ.'}, status=status.HTTP_400_BAD_REQUEST)
-    except Exception as e:
-        return Response({'error': str(e)}, status=status.HTTP_400_BAD_REQUEST)