Create a PDF and Email to Client

viewsxxx.py

#Dont forget the view imports
def emailDocumentInvoice(request, slug):
    #fetch that invoice
    try:
        invoice = Invoice.objects.get(slug=slug)
        pass
    except:
        messages.error(request, 'Something went wrong')
        return redirect('invoices')

    #fetch all the products - related to this invoice
    products = Product.objects.filter(invoice=invoice)

    #Get Client Settings
    p_settings = Settings.objects.get(clientName='Skolo Online Learning')

    #Calculate the Invoice Total
    invoiceTotal = 0.0
    if len(products) > 0:
        for x in products:
            y = float(x.quantity) * float(x.price)
            invoiceTotal += y



    context = {}
    context['invoice'] = invoice
    context['products'] = products
    context['p_settings'] = p_settings
    context['invoiceTotal'] = "{:.2f}".format(invoiceTotal)

    #The name of your PDF file
    filename = '{}.pdf'.format(invoice.uniqueId)

    #HTML FIle to be converted to PDF - inside your Django directory
    template = get_template('invoice/pdf-template.html')


    #Render the HTML
    html = template.render(context)

    #Options - Very Important [Don't forget this]
    options = {
          'encoding': 'UTF-8',
          'javascript-delay':'1000', #Optional
          'enable-local-file-access': None, #To be able to access CSS
          'page-size': 'A4',
          'custom-header' : [
              ('Accept-Encoding', 'gzip')
          ],
      }
      #Javascript delay is optional

    #Remember that location to wkhtmltopdf
    config = pdfkit.configuration(wkhtmltopdf='/usr/bin/wkhtmltopdf')

    #Saving the File
    filepath = os.path.join(settings.MEDIA_ROOT, 'client_invoices')
    os.makedirs(filepath, exist_ok=True)
    pdf_save_path = filepath+filename
    #Save the PDF
    pdfkit.from_string(html, pdf_save_path, configuration=config, options=options)


    #send the emails to client
    to_email = invoice.client.emailAddress
    from_client = p_settings.clientName
    emailInvoiceClient(to_email, from_client, pdf_save_path)

    invoice.status = 'EMAIL_SENT'
    invoice.save()

    #Email was send, redirect back to view - invoice
    messages.success(request, "Email sent to the client succesfully")
    return redirect('create-build-invoice', slug=slug)
  
  
from django.core.mail import EmailMessage
from django.conf import settings

def emailInvoiceClient(to_email, from_client, filepath):
    from_email = settings.EMAIL_HOST_USER
    subject = '[Skolo] Invoice Notification'
    body = """
    Good day,

    Please find attached invoice from {} for your immediate attention.

    regards,
    Skolo Online Learning
    """.format(from_client)

    message = EmailMessage(subject, body, from_email, [to_email])
    message.attach_file(filepath)
    message.send()