FEAT: re-integracion de tax-api y simulador F29

2026-09-09 14:45:50 -03:00
parent 522d5337f4
commit f0a4fa64e8
9 changed files with 324 additions and 52 deletions
@@ -1014,3 +1014,77 @@ def api_sii_calculate_taxes(request):
        'description': res['description']
    })

+
+from datetime import datetime, date
+import calendar
+from django.db.models import Sum
+from procurement.models import PurchaseOrder
+
+@login_required
+def f29_simulator(request):
+    year = request.GET.get('year', date.today().year)
+    month = request.GET.get('month', date.today().month)
+    ventas_netas = request.GET.get('ventas_netas', 0)
+    ventas_exentas = request.GET.get('ventas_exentas', 0)
+    tasa_ppm = request.GET.get('tasa_ppm', 0.01)
+    
+    try:
+        year, month = int(year), int(month)
+        ventas_netas = float(ventas_netas)
+        ventas_exentas = float(ventas_exentas)
+        tasa_ppm = float(tasa_ppm)
+    except ValueError:
+        year, month = date.today().year, date.today().month
+        ventas_netas, ventas_exentas, tasa_ppm = 0, 0, 0.01
+        
+    _, last_day = calendar.monthrange(year, month)
+    start_date = date(year, month, 1)
+    end_date = date(year, month, last_day)
+    
+    # 1. Compras Netas (Facturas con IVA 19%)
+    compras_expenses = Expense.objects.filter(
+        date__range=(start_date, end_date),
+        tax_type='IVA_19',
+        approval_status='LIBERADO_PAGADO'
+    ).aggregate(total=Sum('amount_clp'))['total'] or 0
+    
+    compras_po = PurchaseOrder.objects.filter(
+        order_date__range=(start_date, end_date),
+        status='LIBERADA_PAGADA'
+    ).aggregate(total=Sum('net_amount_clp'))['total'] or 0
+    
+    compras_netas = float(compras_expenses) + float(compras_po)
+    
+    # 2. Honorarios
+    honorarios_expenses = Expense.objects.filter(
+        date__range=(start_date, end_date),
+        tax_type='HONORARIOS_13_75',
+        approval_status='LIBERADO_PAGADO'
+    ).aggregate(total=Sum('tax_amount_clp'))['total'] or 0
+    retenciones_honorarios = float(honorarios_expenses)
+    
+    f29_data = {
+        'ventas_netas': ventas_netas,
+        'compras_netas': compras_netas,
+        'ventas_exentas': ventas_exentas,
+        'compras_activo_fijo': 0,
+        'remanente_anterior': 0,
+        'tasa_ppm': tasa_ppm,
+        'retenciones_honorarios': retenciones_honorarios
+    }
+    
+    simulation = SIIService.simulate_f29(f29_data)
+    
+    context = {
+        'year': year,
+        'month': month,
+        'months': range(1, 13),
+        'years': range(date.today().year - 2, date.today().year + 2),
+        'ventas_netas': ventas_netas,
+        'ventas_exentas': ventas_exentas,
+        'tasa_ppm': tasa_ppm,
+        'simulation': simulation,
+        'compras_netas': compras_netas,
+        'retenciones_honorarios': retenciones_honorarios
+    }
+    return render(request, 'expenses/f29_simulator.html', context)