New changes.

osinaweb/billing/add/urls.py

@@ -6,7 +6,5 @@ urlpatterns = [
     path('product', views.add_product, name='addproduct'),
     path('service', views.add_service, name='addservice'),
     path('order', views.add_order, name='addorder'),
-   
-
-   
+    path('invoice/<int:order_id>/', views.add_invoice_pdf, name='addinvoice'),
 ]

osinaweb/billing/add/views.py

@@ -5,7 +5,7 @@ from django.http import JsonResponse, HttpResponse
 from django.template.loader import get_template
 from django.conf import settings
 import os
-
+from weasyprint import HTML, CSS  
 
 
 def add_product (request, *args, **kwargs):
@@ -109,6 +109,72 @@ def add_order (request, *args, **kwargs):
 
 
 
+def add_invoice_pdf(request, order_id):
+
+    order = get_object_or_404(Order, id=order_id)
+
+    
+    current_year = str(timezone.now().year)[-2:]
+    last_invoice = Invoice.objects.filter(invoice_number__startswith=current_year).order_by('-invoice_number').first()
+    if last_invoice:
+        last_invoice_number = int(last_invoice.invoice_number.split('-')[1].split('+')[0])
+        new_invoice_number = f"${current_year}-{last_invoice_number + 1}"
+    else:
+        new_invoice_number = f"${current_year}-1425"
+
+
+    invoice = Invoice.objects.create(
+        invoice_number = new_invoice_number,
+        order=order,
+        date_created=datetime.now(),
+    )
+
+    template = get_template('details_templates/invoice-details.html')
+    context = {'order': order} 
+    html_string = template.render(context)
+
+    # Define the CSS string with Poppins font
+    css_string = '''
+        @font-face {
+            font-family: 'Poppins';
+            src: url('path_to_poppins_font_file.ttf') format('truetype');  /* Update the path to the font file */
+        }
+        
+        body {
+            font-family: 'Poppins', sans-serif;  /* Use Poppins font for the entire document */
+        }
+        
+        /* Your existing CSS styles */
+        /* Add or modify styles as needed */
+    '''
+
+    # Generate PDF
+    pdf = HTML(string=html_string).write_pdf(
+        stylesheets=[
+            CSS(string=css_string),
+            CSS(string='@page { margin: 30px; }')
+        ],
+        presentational_hints=True
+    )
+
+
+    # Save PDF to a file
+    pdf_file_path = os.path.join(settings.MEDIA_ROOT, f'invoice_{invoice.id}.pdf')
+    with open(pdf_file_path, 'wb') as pdf_file:
+        pdf_file.write(pdf)
+
+    # Associate PDF file path with the Invoice object
+    invoice.pdf = pdf_file_path
+    invoice.save()
+
+    # Return PDF
+    response = HttpResponse(pdf, content_type='application/pdf')
+    response['Content-Disposition'] = 'attachment; filename="my_pdf.pdf"'
+
+    return response
+
+
+
 
 
 

osinaweb/billing/templates/listing_pages/orders.html

@@ -86,7 +86,7 @@
 
 
                                 {% if order.status == 'Pending' and not order.invoice %}
-                                <a    >
+                                <a  href="{% url 'addinvoice' order.id %}">
                                     <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-[18px] text-blue-500">
                                         <path fill-rule="evenodd" d="M5.625 1.5H9a3.75 3.75 0 0 1 3.75 3.75v1.875c0 1.036.84 1.875 1.875 1.875H16.5a3.75 3.75 0 0 1 3.75 3.75v7.875c0 1.035-.84 1.875-1.875 1.875H5.625a1.875 1.875 0 0 1-1.875-1.875V3.375c0-1.036.84-1.875 1.875-1.875ZM12.75 12a.75.75 0 0 0-1.5 0v2.25H9a.75.75 0 0 0 0 1.5h2.25V18a.75.75 0 0 0 1.5 0v-2.25H15a.75.75 0 0 0 0-1.5h-2.25V12Z" clip-rule="evenodd" />
                                         <path d="M14.25 5.25a5.23 5.23 0 0 0-1.279-3.434 9.768 9.768 0 0 1 6.963 6.963A5.23 5.23 0 0 0 16.5 7.5h-1.875a.375.375 0 0 1-.375-.375V5.25Z" />