Feat: Export Ventas Para Tryton

tienda_ilusion/don_confiao/views.py

@@ -3,8 +3,14 @@ from django.http import HttpResponse, HttpResponseRedirect, JsonResponse
 from django.views.generic import ListView
 from django.db import transaction
 
-from .models import Sale, Product, ProductCategory, Payment, PaymentMethods
-from .forms import ImportProductsForm, PurchaseForm, SaleLineFormSet, ReconciliationJarForm, PurchaseSummaryForm
+from .models import (
+    Sale, SaleLine, Product, ProductCategory, Payment, PaymentMethods)
+from .forms import (
+    ImportProductsForm,
+    PurchaseForm,
+    SaleLineFormSet,
+    ReconciliationJarForm,
+    PurchaseSummaryForm)
 
 import csv
 import io
@@ -18,9 +24,11 @@ class DecimalEncoder(json.JSONEncoder):
             return float(obj)
         return json.JSONEncoder.default(self, obj)
 
+
 def index(request):
     return render(request, 'don_confiao/index.html')
 
+
 def buy(request):
     if request.method == "POST":
         sale_form = PurchaseForm(request.POST)
@@ -115,10 +123,11 @@ def purchase_summary(request, id):
         request,
         "don_confiao/purchase_summary.html",
         {
-            "purchase" : purchase
+            "purchase": purchase
         }
     )
 
+
 def _categories_from_csv_string(categories_string, separator="&"):
     categories = categories_string.split(separator)
     clean_categories = [c.strip() for c in categories]
@@ -146,6 +155,70 @@ def handle_import_products_file(csv_file):
             product.categories.add(category)
 
 
+def exportar_ventas_para_tryton(request):
+    tryton_sales_header = [
+        "Tercero",
+        "Dirección de facturación",
+        "Dirección de envío",
+        "Descripción",
+        "Referencia",
+        "Fecha venta",
+        "Plazo de pago",
+        "Almacén",
+        "Moneda",
+        "Líneas/Producto",
+        "Líneas/Cantidad",
+        "Líneas/Precio unitario",
+        "Líneas/Unidad",
+        "Empresa",
+        "Tienda",
+        "Terminal de venta",
+        "Autorecogida",
+        "Comentario"
+    ]
+
+    if request.method == "GET":
+        response = HttpResponse(content_type='text/csv')
+        response['Content-Disposition'] = "attachment; filename=sales.csv"
+        writer = csv.writer(response)
+        writer.writerow(tryton_sales_header)
+
+        sales = Sale.objects.all()
+
+        for sale in sales:
+            sale_lines = SaleLine.objects.filter(sale=sale.id)
+            if not sale_lines:
+                continue
+            lines = []
+            first_sale_line = sale_lines[0]
+            customer_info = [sale.customer.name] * 3 + [sale.description] * 2
+            first_line = customer_info + [
+                sale.date,
+                "Contado",
+                "Almacén",
+                "Peso colombiano",
+                first_sale_line.product.name,
+                first_sale_line.quantity,
+                "Unidad",
+                first_sale_line.unit_price,
+                "TIENDA LA ILUSIÓN",
+                "Tienda La Ilusion",
+                "La Ilusion",
+                True,
+                sale.description]
+            lines.append(first_line)
+            for line in sale_lines[1:]:
+                lines.append([""]*9+[
+                    line.product.name,
+                    line.quantity,
+                    line.unit_price,
+                    "Unidad"]+[""]*5)
+            for row in lines:
+                writer.writerow(row)
+
+        return response
+
+
 class ProductListView(ListView):
     model = Product
     template_model = 'don_confiao/product_list.html'