Feat: Export Ventas Para Tryton

tienda_ilusion/don_confiao/export_csv.py

@@ -0,0 +1 @@
+#!/usr/bin/env python3

tienda_ilusion/don_confiao/models.py

@@ -13,6 +13,7 @@ class Customer(models.Model):
     def __str__(self):
         return self.name
 
+
 class MeasuringUnits(models.TextChoices):
     UNIT = 'UNIT', _('Unit')
 
@@ -62,11 +63,16 @@ class Sale(models.Model):
     def __str__(self):
         return f"{self.date} {self.customer}"
 
-
     def get_total(self):
         lines = self.saleline_set.all()
         return sum([l.quantity * l.unit_price for l in lines])
 
+    @classmethod
+    def sale_header_csv(cls):
+        sale_header_csv = [field.name for field in cls._meta.fields]
+
+        return sale_header_csv
+
 
 class SaleLine(models.Model):
 

tienda_ilusion/don_confiao/tests/Fixtures/sales_fixture.json

@@ -11,7 +11,7 @@
     "model": "don_confiao.productcategory",
     "pk": 1,
     "fields": {
-      "name": "Unidad",
+      "name": "Unidad"
     }
   },
   {
@@ -20,7 +20,7 @@
     "fields": {
       "name": "Papaya",
       "price": 2500,
-      "measuring_unit": "Unidad",
+      "measuring_unit": "Unidad"
     }
   },
   {
@@ -32,5 +32,16 @@
       "phone": 312201103,
       "description": "Primera Venta"
     }
+  },
+    {
+        "model": "don_confiao.saleline",
+        "pk": 1,
+        "fields": {
+            "sale": 1,
+            "product": 1,
+            "quantity": 10,
+            "unit_price": 5000,
+            "description": "Primer Sale Line"
+        }
     }
 ]

tienda_ilusion/don_confiao/tests/test_export_sales.py

@@ -1,16 +1,50 @@
 #!/usr/bin/env python3
-from django.test import TestCase
-from ..models import Sale
+from django.test import Client, TestCase
+from io import StringIO
+import csv
 
 
 class TestExportSales(TestCase):
+    fixtures = ['sales_fixture']
 
     def setUp(self):
-        pass
+        self.client = Client()
 
     def test_export_sales(self):
-        sales = self._export_sales_csv()
-        self.assertEqual(len(sales), 1)
+        sales_response = self._export_sales_csv()
+        filename = sales_response.headers[
+            'Content-Disposition'].split('; ')[1].strip('filename=').strip("'")
+        content = sales_response.content
+        content_str = content.decode('utf-8')
+        csv_file = StringIO(content_str)
+        header = next(csv.reader(csv_file))
+
+        self.assertGreater(len(content), 0)
+        self.assertEqual(filename, 'sales.csv')
+        self.assertEqual(sales_response.headers['Content-Type'], 'text/csv')
+        self.assertEqual(header, self._tryton_sale_header())
 
     def _export_sales_csv(self):
-        raise Exception(Sale.objects.all())
+        return self.client.get("/don_confiao/exportar_ventas_para_tryton")
+
+    def _tryton_sale_header(self):
+        return [
+            "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"
+                ]

tienda_ilusion/don_confiao/urls.py

@@ -10,6 +10,9 @@ urlpatterns = [
     path("productos", views.products, name="products"),
     path("lista_productos", views.ProductListView.as_view(), name='product_list'),
     path("importar_productos", views.import_products, name="import_products"),
+    path("exportar_ventas_para_tryton",
+         views.exportar_ventas_para_tryton,
+         name="exportar_ventas_para_tryton"),
     path("cuadrar_tarro", views.reconciliate_jar, name="reconciliate_jar"),
     path("cuadres", views.reconciliate_jar, name="reconciliations"),
     path("resumen_compra/<int:id>", views.purchase_summary, name="purchase_summary"),

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'

tienda_ilusion/tienda_ilusion/settings.py

@@ -123,3 +123,5 @@ STATIC_URL = 'static/'
 # https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+FIXTURE_DIRS = ['don_confiao/tests/Fixtures']