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