changes

api/settings.py

@@ -21,7 +21,7 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 SECRET_KEY = 'django-insecure-_u202k$8qq2p*cr_eo(7k!0ngr5^n)27@85+5oy8&41(u6&j54'
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = False
 
 ALLOWED_HOSTS = ['*']
 
@@ -81,8 +81,8 @@ ASGI_APPLICATION = 'api.asgi.application'
 # https://docs.djangoproject.com/en/4.1/ref/settings/#databases
 #prod:5.223.52.193      dev:5.223.42.146
 
-MODE = 'dev'  
-DBHOST = '172.17.0.1' if MODE == 'prod' else '5.223.42.146'
+MODE = 'prod'  
+DBHOST = '172.17.0.1' if MODE == 'prod' else '5.223.52.193'
 
 DATABASES = {
     'default': {

app/migrations/0375_alter_internal_entry_ref.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.7 on 2026-02-09 10:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0374_payment_schedule_link_payment_schedule_ref_code'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='internal_entry',
+            name='ref',
+            field=models.CharField(max_length=30, null=True, unique=True),
+        ),
+    ]

app/migrations/0376_remove_payment_schedule_link_and_more.py

@@ -0,0 +1,36 @@
+# Generated by Django 5.1.7 on 2026-02-10 03:07
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0375_alter_internal_entry_ref'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='payment_schedule',
+            name='link',
+        ),
+        migrations.RemoveField(
+            model_name='payment_schedule',
+            name='ref_code',
+        ),
+        migrations.CreateModel(
+            name='Invoice',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('link', models.CharField(max_length=100, null=True)),
+                ('ref_code', models.CharField(max_length=30, null=True)),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=35)),
+                ('note', models.CharField(max_length=100, null=True)),
+                ('payment', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='invoice', to='app.payment_schedule')),
+            ],
+            options={
+                'db_table': 'invoice',
+            },
+        ),
+    ]

app/models.py

@@ -1667,7 +1667,7 @@ class Internal_Entry(AutoCodeModel):
     inputer = models.ForeignKey(User, null=False, related_name='+', on_delete=models.PROTECT)
     account = models.ForeignKey(Internal_Account, null=False, related_name='+', on_delete=models.PROTECT)
     date = models.DateField(null=False)
-    ref = models.CharField(max_length=30, null=True)
+    ref = models.CharField(max_length=30, null=True, unique=True)
     customer = models.ForeignKey(Customer, null=True, related_name='entrycus', on_delete=models.PROTECT)
     product = models.ForeignKey(Product, null=True, related_name='+', on_delete=models.PROTECT)
     allocation_amount = models.DecimalField(null=True, max_digits=35, decimal_places=2)
@@ -1694,8 +1694,6 @@ class Payment_Schedule(AutoCodeModel):
     code_prefix = "SH"
     code_padding = 5
     code = models.CharField(max_length=30, null=True, unique=True)
-    link = models.CharField(max_length=100, null=True)
-    ref_code = models.CharField(max_length=30, null=True)
     from_date = models.DateField(null=False)
     to_date = models.DateField(null=False)
     amount = models.DecimalField(max_digits=35, decimal_places=2)
@@ -1722,6 +1720,19 @@ class Payment_Schedule(AutoCodeModel):
     class Meta: 
         db_table = 'payment_schedule'
 
+class Invoice(AutoCodeModel):
+    code_prefix = "HD"
+    code_padding = 5
+    link = models.CharField(max_length=100, null=True)
+    ref_code = models.CharField(max_length=30, null=True)
+    amount = models.DecimalField(max_digits=35, decimal_places=2)
+    payment = models.ForeignKey(Payment_Schedule, null=False, related_name='invoice', on_delete=models.PROTECT)
+    note = models.CharField(max_length=100, null=True)
+    
+    class Meta:
+        db_table = 'invoice'
+    
+    
 
 class Phone_Otp(models.Model):
     code = models.CharField(max_length=30, null=False, unique=True)

app/payment.py

@@ -262,7 +262,7 @@ def allocate_payment_to_schedules(product_id):
                     if amount_remain_after > 0:
                         sch.ovd_days = max(0, (today - sch.to_date).days)
                     else :
-                        sch.ovd_days = days_for_trace + days_from_entry_to_today
+                        sch.ovd_days = days_for_trace
                     print(f"Lai la : {penalty_to_this_entry + additional_penalty_to_today} = {sch.penalty_amount}")
                     # Ghi Trace
                     sch_entry_list = sch.entry or []
@@ -336,6 +336,7 @@ def allocate_penalty_reduction(product_id):
     """
     Xử lý miễn giảm tiền phạt cho một sản phẩm cụ thể.
     Quét các entry CR từ tài khoản miễn lãi (id=5) có allocation_remain > 0.
+    Sau khi miễn giảm, kiểm tra và đóng lịch/giao dịch nếu đủ điều kiện.
     """
     if not product_id:
         return {"status": "no_product", "message": "Không có product_id"}
@@ -351,10 +352,7 @@ def allocate_penalty_reduction(product_id):
             booked = Product_Booked.objects.filter(product=product).first()
             if not booked or not booked.transaction:
                 errors.append(f"Product {product_id}: Không tìm thấy Transaction")
-                return {
-                    "status": "error",
-                    "errors": errors
-                }
+                return {"status": "error", "errors": errors}
 
             txn = booked.transaction
 
@@ -369,10 +367,7 @@ def allocate_penalty_reduction(product_id):
 
             if not txn_detail:
                 errors.append(f"Product {product_id}: Không tìm thấy Transaction_Detail")
-                return {
-                    "status": "error",
-                    "errors": errors
-                }
+                return {"status": "error", "errors": errors}
 
             reduction_entries = Internal_Entry.objects.select_for_update().filter(
                 product=product,
@@ -385,53 +380,44 @@ def allocate_penalty_reduction(product_id):
                 return {
                     "status": "success",
                     "message": "Không có entry miễn lãi cần xử lý",
-                    "updated_schedules": [],
-                    "updated_entries": [],
-                    "errors": []
+                    "updated_schedules": [], "updated_entries": [], "errors": []
                 }
 
             schedules = Payment_Schedule.objects.select_for_update().filter(
                 txn_detail=txn_detail,
-                status=1
+                status__id=1 # Chỉ xử lý các lịch chưa thanh toán
             ).order_by('cycle', 'from_date')
 
             if not schedules.exists():
                 return {
                     "status": "success",
                     "message": "Không có lịch thanh toán cần miễn lãi",
-                    "updated_schedules": [],
-                    "updated_entries": [],
-                    "errors": []
+                    "updated_schedules": [], "updated_entries": [], "errors": []
                 }
 
             for entry in reduction_entries:
                 remaining_reduce = Decimal(str(entry.allocation_remain))
-                
-                if remaining_reduce <= 0:
-                    continue
+                if remaining_reduce <= 0: continue
 
                 entry_allocation_detail = entry.allocation_detail or []
                 entry_reduction_allocated = Decimal('0')
 
                 for schedule in schedules:
-                    if remaining_reduce <= 0:
-                        break
+                    if remaining_reduce <= 0: break
 
+                    # Chỉ miễn giảm cho các lịch còn nợ phạt
                     current_penalty_remain = Decimal(str(schedule.penalty_remain or 0))
-                    current_penalty_reduce = Decimal(str(schedule.penalty_reduce or 0))
-                    current_remain_amount = Decimal(str(schedule.remain_amount or 0))
+                    if current_penalty_remain <= 0: continue
 
                     to_reduce = min(remaining_reduce, current_penalty_remain)
-                    
-                    if to_reduce <= 0:
-                        continue
+                    if to_reduce <= 0: continue
 
                     remaining_reduce -= to_reduce
                     entry_reduction_allocated += to_reduce
 
-                    schedule.penalty_reduce = current_penalty_reduce + to_reduce
-                    schedule.penalty_remain = current_penalty_remain - to_reduce
-                    schedule.remain_amount = current_remain_amount - to_reduce
+                    schedule.penalty_reduce = (schedule.penalty_reduce or Decimal('0')) + to_reduce
+                    schedule.penalty_remain -= to_reduce
+                    schedule.remain_amount -= to_reduce
 
                     sch_entry_list = schedule.entry or []
                     sch_entry_list.append({
@@ -442,18 +428,23 @@ def allocate_penalty_reduction(product_id):
                     })
                     schedule.entry = safe_json_serialize(sch_entry_list)
 
-                    schedule.save(update_fields=[
-                        'penalty_reduce', 'penalty_remain', 'remain_amount', 'entry'
-                    ])
+                    schedule.save(update_fields=['penalty_reduce', 'penalty_remain', 'remain_amount', 'entry'])
+
+                    # KIỂM TRA ĐỂ ĐÓNG LỊCH
+                    if schedule.remain_amount <= 0 and schedule.amount_remain <= 0:
+                        try:
+                            paid_status = Payment_Status.objects.get(id=2)
+                            schedule.status = paid_status
+                            schedule.save(update_fields=['status'])
+                        except Payment_Status.DoesNotExist:
+                            errors.append("Không tìm thấy Payment_Status id=2")
 
                     if schedule.id not in updated_schedules:
                         updated_schedules.append(schedule.id)
 
                     entry_allocation_detail.append({
-                        "schedule_id": schedule.id,
-                        "schedule_code": schedule.code,
-                        "amount": float(to_reduce),
-                        "type": "REDUCTION",
+                        "schedule_id": schedule.id, "schedule_code": schedule.code,
+                        "amount": float(to_reduce), "type": "REDUCTION",
                         "date": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
                     })
 
@@ -465,6 +456,23 @@ def allocate_penalty_reduction(product_id):
                 if entry.id not in updated_entries:
                     updated_entries.append(entry.id)
 
+            # KIỂM TRA ĐỂ ĐÓNG TOÀN BỘ GIAO DỊCH
+            try:
+                txn_detail.refresh_from_db()
+                has_pending_sch = Payment_Schedule.objects.filter(txn_detail=txn_detail, status__id=1).exists()
+                
+                if txn_detail.amount_remaining <= 0 and not has_pending_sch:
+                    paid_txn_status = Transaction_Status.objects.get(id=2)
+                    txn_detail.status = paid_txn_status
+                    txn.status = paid_txn_status
+                    txn_detail.save(update_fields=['status'])
+                    txn.save(update_fields=['status'])
+                    print(f"Transaction for product {product_id} closed after penalty reduction.")
+            except Transaction_Status.DoesNotExist:
+                errors.append("Không tìm thấy Transaction_Status id=2")
+            except Exception as e:
+                errors.append(f"Lỗi khi đóng transaction sau miễn giảm: {str(e)}")
+
         except Exception as exc:
             errors.append(str(exc))
             import traceback
@@ -479,17 +487,180 @@ def allocate_penalty_reduction(product_id):
 
 
 # ==========================================================================================
+def reset_product_state_before_allocation(product_id):
+    """
+    Reset toàn bộ trạng thái công nợ của sản phẩm về ban đầu TRƯỚC KHI chạy phân bổ.
+    Sử dụng logic tính toán giống delete_entry nhưng không xóa entry và không hoàn tác tài khoản.
+    """
+    with transaction.atomic():
+        try:
+            product = Product.objects.get(id=product_id)
+            booked = Product_Booked.objects.filter(product=product).first()
+            if not (booked and booked.transaction):
+                print(f"Reset: Không tìm thấy transaction cho product {product_id}")
+                return
+
+            txn = booked.transaction
+            
+            try:
+                current = Transaction_Current.objects.get(transaction=txn)
+                txn_detail = current.detail
+            except Transaction_Current.DoesNotExist:
+                txn_detail = Transaction_Detail.objects.filter(transaction=txn).order_by('-create_time').first()
+
+            if not txn_detail:
+                print(f"Reset: Không tìm thấy txn_detail cho product {product_id}")
+                return
+
+            # =================================================================
+            # Bước 1: Reset các lịch thanh toán theo công thức (GIỐNG delete_entry)
+            # =================================================================
+            all_schedules = Payment_Schedule.objects.select_for_update().filter(txn_detail=txn_detail)
+            unpaid_status = Payment_Status.objects.get(id=1)
+            
+            for schedule in all_schedules:
+                current_amount_remain = Decimal(str(schedule.amount_remain or 0))
+
+                # Tính tổng principal đã phân bổ vào đúng lịch này từ tất cả entry CR
+                principal_allocated_to_schedule = Decimal('0')
+                for e in Internal_Entry.objects.filter(product_id=product_id, type__code='CR'):
+                    for alloc in (e.allocation_detail or []):
+                        if alloc.get('schedule_id') == schedule.id:
+                            principal_allocated_to_schedule += Decimal(str(alloc.get('principal', 0)))
+
+                # Reset theo công thức - GIỐNG delete_entry
+                schedule.entry = [] 
+                schedule.amount_remain = current_amount_remain + principal_allocated_to_schedule
+                schedule.remain_amount = schedule.amount_remain
+                schedule.paid_amount = schedule.amount - schedule.amount_remain
+                schedule.penalty_paid = Decimal('0')
+                schedule.penalty_reduce = Decimal('0')
+                schedule.penalty_amount = Decimal('0')
+                schedule.penalty_remain = Decimal('0')
+                schedule.ovd_days = 0
+                schedule.status = unpaid_status
+
+                schedule.save(update_fields=[
+                    'entry', 'paid_amount', 'amount_remain', 'remain_amount',
+                    'penalty_paid', 'penalty_reduce', 'penalty_remain', 'ovd_days', 'status', 'penalty_amount'
+                ])
+
+            # =================================================================
+            # Bước 2: Reset allocation của tất cả entry CR của sản phẩm (GIỐNG delete_entry)
+            # =================================================================
+            all_cr_entries = Internal_Entry.objects.filter(
+                product_id=product_id,
+                type__code='CR'
+            )
+            for e in all_cr_entries:
+                e.allocation_detail = []
+                e.allocation_amount = Decimal('0')
+                e.allocation_remain = Decimal(str(e.amount))
+                e.save(update_fields=[
+                    'allocation_detail', 'allocation_amount', 'allocation_remain'
+                ])
+
+            # =================================================================
+            # Bước 3: Đặt lại Transaction_Detail từ các lịch và LƯU TRƯỚC (GIỐNG delete_entry)
+            # =================================================================
+            if txn_detail:
+                # Lấy tổng paid của các lịch THUỘC detail này
+                schedules_of_this_detail = Payment_Schedule.objects.filter(txn_detail=txn_detail)
+                detail_total_paid = Decimal('0')
+                
+                for sch in schedules_of_this_detail:
+                    paid = Decimal(str(sch.paid_amount or 0))
+                    detail_total_paid += paid
+
+                # Cập nhật Transaction_Detail
+                txn_detail.amount_received = detail_total_paid
+                txn_detail.amount_remaining = Decimal(str(txn_detail.amount or 0)) - detail_total_paid
+                
+                # ===== LƯU NGAY TRANSACTION_DETAIL =====
+                txn_detail.save(update_fields=['amount_received', 'amount_remaining'])
+                txn_detail.refresh_from_db()
+
+                # Đặt lại status về unpaid nếu còn nợ
+                if txn_detail.amount_remaining > 0:
+                    try:
+                        unpaid_txn_status = Transaction_Status.objects.get(id=1)
+                        txn_detail.status = unpaid_txn_status
+                        txn_detail.save(update_fields=['status'])
+                    except:
+                        pass
+
+            # =================================================================
+            # Bước 4: SAU KHI LƯU TXN_DETAIL, Query lại TẤT CẢ DETAIL và tính Transaction (GIỐNG delete_entry)
+            # =================================================================
+            # Query lại TẤT CẢ detail sau khi đã lưu
+            all_details = Transaction_Detail.objects.filter(transaction=txn)
+            
+            txn_total_received = Decimal('0')
+            txn_total_deposit_received = Decimal('0')
+            
+            for detail in all_details:
+                # Refresh để lấy giá trị mới nhất từ DB
+                detail.refresh_from_db()
+                txn_total_received += Decimal(str(detail.amount_received or 0))
+                
+                # Tính deposit từ các lịch deposit thuộc detail này
+                deposit_schedules = Payment_Schedule.objects.filter(
+                    txn_detail=detail,
+                    type_id=1
+                )
+                for dep_sch in deposit_schedules:
+                    txn_total_deposit_received += Decimal(str(dep_sch.paid_amount or 0))
+
+            # Cập nhật Transaction - SỬA: amount -> sale_price
+            txn.amount_received = txn_total_received
+            txn.amount_remain = Decimal(str(txn.sale_price or 0)) - txn_total_received  # ← SỬA ĐÂY
+            
+            if hasattr(txn, 'deposit_received'):
+                txn.deposit_received = txn_total_deposit_received
+            if hasattr(txn, 'deposit_remaining') and hasattr(txn, 'deposit_amount'):
+                txn.deposit_remaining = Decimal(str(txn.deposit_amount or 0)) - txn_total_deposit_received
+
+            # ===== LƯU TRANSACTION =====
+            txn.save(update_fields=['amount_received', 'amount_remain', 'deposit_received', 'deposit_remaining'])
+            txn.refresh_from_db()
+
+            # Đặt lại status về unpaid nếu còn nợ
+            if txn.amount_remain > 0:
+                try:
+                    unpaid_txn_status = Transaction_Status.objects.get(id=1)
+                    txn.status = unpaid_txn_status
+                    txn.save(update_fields=['status'])
+                except:
+                    pass
+
+            print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] Đã reset thành công trạng thái cho product_id={product_id}")
+
+        except Exception as e:
+            print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] Lỗi khi reset product state for product_id={product_id}: {str(e)}")
+            import traceback
+            print(traceback.format_exc())
+
+
 def background_allocate(product_id):
-    """Background task để chạy allocation sau khi tạo entry"""
+    """
+    Background task để chạy allocation.
+    Luồng xử lý: Reset toàn bộ -> Phân bổ tiền trả nợ -> Phân bổ miễn giảm.
+    """
     try:
         print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] Background allocation started for product_id={product_id}")
 
+        # 1. Reset toàn bộ trạng thái công nợ của sản phẩm về gốc
+        reset_product_state_before_allocation(product_id)
+
+        # 2. Chạy phân bổ thanh toán (tiền khách trả)
         normal_result = allocate_payment_to_schedules(product_id)
+
+        # 3. Chạy phân bổ miễn giảm (tiền công ty giảm cho khách)
         reduction_result = allocate_penalty_reduction(product_id)
 
         print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] Background allocation completed for product_id={product_id}:")
-        print("Normal:", normal_result)
-        print("Reduction:", reduction_result)
+        print("Normal allocation result:", normal_result)
+        print("Penalty reduction result:", reduction_result)
 
     except Exception as e:
         print(f"[{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}] Background allocation error for product_id={product_id}: {str(e)}")
@@ -736,27 +907,7 @@ def delete_entry(request):
                     if booked and booked.transaction:
                         txn = booked.transaction
 
-                        # Lấy tất cả lịch liên quan
-                        all_schedules = Payment_Schedule.objects.filter(
-                            txn_detail__transaction=txn
-                        )
-
-                        # Tính tổng paid_amount từ các lịch (trước khi phân bổ lại)
-                        total_paid_all = Decimal('0')
-                        total_remain_all = Decimal('0')
-                        total_deposit_paid = Decimal('0')
-
-                        for sch in all_schedules:
-                            paid = Decimal(str(sch.paid_amount or 0))
-                            remain = Decimal(str(sch.amount_remain or 0))
-
-                            total_paid_all += paid
-                            total_remain_all += remain
-
-                            if sch.type_id == 1:  # type=1 là lịch đặt cọc
-                                total_deposit_paid += paid
-
-                        # Tính lại Transaction_Detail
+                        # Tính lại Transaction_Detail hiện tại TRƯỚC
                         try:
                             current = Transaction_Current.objects.get(transaction=txn)
                             txn_detail = current.detail
@@ -764,10 +915,23 @@ def delete_entry(request):
                             txn_detail = Transaction_Detail.objects.filter(transaction=txn).order_by('-create_time').first()
 
                         if txn_detail:
-                            # amount_received = amount_remaining hiện tại + tổng paid_amount từ lịch
-                            txn_detail.amount_received = Decimal(str(txn_detail.amount_remaining or 0)) + total_paid_all
-                            # amount_remaining = amount - amount_received vừa tính
-                            txn_detail.amount_remaining = Decimal(str(txn_detail.amount or 0)) - txn_detail.amount_received
+                            # Lấy tổng paid của các lịch THUỘC detail này
+                            schedules_of_this_detail = Payment_Schedule.objects.filter(txn_detail=txn_detail)
+                            detail_total_paid = Decimal('0')
+                            detail_deposit_paid = Decimal('0')
+                            
+                            for sch in schedules_of_this_detail:
+                                paid = Decimal(str(sch.paid_amount or 0))
+                                detail_total_paid += paid
+                                
+                                if sch.type_id == 1:  # deposit
+                                    detail_deposit_paid += paid
+
+                            # Cập nhật Transaction_Detail
+                            txn_detail.amount_received = detail_total_paid
+                            txn_detail.amount_remaining = Decimal(str(txn_detail.amount or 0)) - detail_total_paid
+                            
+                            # ===== LƯU NGAY =====
                             txn_detail.save(update_fields=['amount_received', 'amount_remaining'])
                             txn_detail.refresh_from_db()
                             txn_detail_updated = True
@@ -780,12 +944,34 @@ def delete_entry(request):
                                 except:
                                     pass
 
-                        # Tính lại Transaction - đặt lại các trường về trạng thái ban đầu
-                        txn.amount_received = Decimal('0')
-                        txn.amount_remain = Decimal(str(txn.amount or 0))  # amount gốc hợp đồng
+                        # ====== SAU KHI LƯU HẾT TXN_DETAIL, MỚI TÍNH TRANSACTION ======
+                        # Query lại TẤT CẢ detail sau khi đã lưu
+                        all_details = Transaction_Detail.objects.filter(transaction=txn)
+                        
+                        txn_total_received = Decimal('0')
+                        txn_total_deposit_received = Decimal('0')
+                        
+                        for detail in all_details:
+                            # Lấy giá trị mới nhất từ DB (đã refresh)
+                            detail.refresh_from_db()
+                            txn_total_received += Decimal(str(detail.amount_received or 0))
+                            
+                            # Tính deposit từ các lịch deposit thuộc detail này
+                            deposit_schedules = Payment_Schedule.objects.filter(
+                                txn_detail=detail,
+                                type_id=1
+                            )
+                            for dep_sch in deposit_schedules:
+                                txn_total_deposit_received += Decimal(str(dep_sch.paid_amount or 0))
+
+                        # Cập nhật Transaction
+                        txn.amount_received = txn_total_received
+                        txn.amount_remain = Decimal(str(txn.sale_price or 0)) - txn_total_received
+                        
                         if hasattr(txn, 'deposit_received'):
-                            txn.deposit_received = Decimal('0')
-                            txn.deposit_remaining = txn.deposit_amount if hasattr(txn, 'deposit_amount') else Decimal('0')
+                            txn.deposit_received = txn_total_deposit_received
+                        if hasattr(txn, 'deposit_remaining') and hasattr(txn, 'deposit_amount'):
+                            txn.deposit_remaining = Decimal(str(txn.deposit_amount or 0)) - txn_total_deposit_received
 
                         txn.save(update_fields=['amount_received', 'amount_remain', 'deposit_received', 'deposit_remaining'])
                         txn.refresh_from_db()