Pdf generation now works on clicking button. Looks ugly though

austritt/templates/austritt/employee_form.html

@@ -55,9 +55,12 @@
     {% translate "PDF Abgabe Arbeitsmittel" %}
     {% if pdf_data %}
       {% include 'austritt/pdf_template.html' %}
+      <a href="{% url 'pdf-preview' %}" target="_blank">
+      <button type="button">Als PDF speichern</button>
+      </a>
     {% endif %}
   {% endif %}
-  
+
 {% else %}
   {% if wizard.steps.step1 == 2 %}
     Veränderungsrelevante Angaben

austritt/urls.py

@@ -1,6 +1,6 @@
 from django.urls import path
 
-from .views import EvaFormView, success, long_process, change_process
+from .views import EvaFormView, PDFPreviewView, success, long_process, change_process
 
 urlpatterns = [
     path('', EvaFormView.as_view(condition_dict = {'1': long_process,
@@ -9,5 +9,7 @@ urlpatterns = [
                                                    
                                                    '4': change_process,}),
          name='evaform'),
+    path('form/pdf-preview/', PDFPreviewView.as_view(), name='pdf-preview'),
     path('success', success, name='success')
+
     ]

austritt/views.py

@@ -1,11 +1,13 @@
 from smtplib import SMTPException
 import collections
+from xhtml2pdf import pisa
 
 from django.views.generic.edit import CreateView
+from django.views import View
 from django.urls import reverse
 from django.http import HttpResponse, HttpResponseRedirect
 from django.core.mail import send_mail, BadHeaderError
-from django.template.loader import get_template
+from django.template.loader import get_template, render_to_string
 from formtools.wizard.views import CookieWizardView
 from django.shortcuts import render
 from django.conf import settings
@@ -116,30 +118,15 @@ class EvaFormView(LoginRequiredMixin, CookieWizardView):
                             'datatable': 1,})
 
         if (self.steps.step1 == 5):
-            context.update({'pdf_data': beautify_data_pdf(self.get_all_cleaned_data()),
-            })
+            pdf_data = beautify_data_pdf(self.get_all_cleaned_data())
+            # storing for PDF class
+            self.request.session['pdf_data'] = pdf_data 
+            self.request.session.modified = True #forcing session saving
+            context.update({'pdf_data': pdf_data,})
 
         return context
 
     
-  
-    def get_pdf_data(self, form, **kwargs):
-        
-
-        #print('GETCONTEXT')
-        context = super().get_pdf_data(form=form, **kwargs)
-        testmode = settings.DEBUG or settings.MAILTEST
-        context.update({'choice': self.choice,
-                        'choice_string': TYPE_CHOICES[self.choice],
-                        'TESTMODE': testmode})
-
-        # deliver context for forms if we are in the last step
-        if (self.steps.step1 == 6 or (self.choice != 'IN' and self.steps.step1 == 6)):
-            context.update({'data': self.beautify_data_pdf(self.get_all_cleaned_data()),
-                            'datatable': 2,})
-        return context
-
-    
     def get_form_instance(self,step):
         ''' this method assures, that we use the same model instance for all steps'''
 
@@ -261,4 +248,18 @@ class EvaFormView(LoginRequiredMixin, CookieWizardView):
 
         return newdata
 
+# Class for rendering PDf
+class PDFPreviewView(LoginRequiredMixin, View):
+    def get(self, request):
+        pdf_data=request.session.get('pdf_data')
+        #getting names for pdf file naming
+        firstname = pdf_data.get('firstname')
+        lastname = pdf_data.get('lastname')
+
+        context ={'pdf_data': pdf_data}
+        html_string =render_to_string('austritt/pdf_template.html', context)
+        response = HttpResponse(content_type='application/pdf')
+        response['Content-Disposition']=f'inline; filename="Rueckgabe_Arbeitsmittel_{firstname}_{lastname}.pdf"'
+        pisa.CreatePDF(html_string, dest=response)
+        return response