Generate authorization templates as PDF

apps/registration/views.py

@@ -2,6 +2,8 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import os
+import subprocess
+from tempfile import mkdtemp
 
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -21,7 +23,7 @@ from django.utils.translation import gettext_lazy as _
 from django.views.generic import CreateView, DetailView, RedirectView, TemplateView, UpdateView, View
 from django_tables2 import SingleTableView
 from magic import Magic
-from participation.models import Passage, Solution, Synthesis
+from participation.models import Passage, Solution, Synthesis, Tournament
 from tfjm.tokens import email_validation_token
 from tfjm.views import AdminMixin, UserMixin, VolunteerMixin
 
@@ -381,6 +383,52 @@ class UserUploadParentalAuthorizationView(UserMixin, UpdateView):
         return reverse_lazy("registration:user_detail", args=(self.object.user.pk,))
 
 
+class AuthorizationTemplateView(TemplateView):
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        if "registration_id" in self.request.GET:
+            registration = Registration.objects.get(pk=self.request.GET.get("registration_id"))
+            # Don't get unwanted information
+            if registration.user == self.request.user \
+                    or self.request.user.is_authenticated and self.request.user.registration.is_admin:
+                context["registration"] = registration
+        if "tournament_id" in self.request.GET:
+            context["tournament"] = Tournament.objects.get(pk=self.request.GET.get("tournament_id"))
+        else:
+            raise ValueError("Merci d'indiquer un tournoi.")
+
+        return context
+
+    def render_to_response(self, context, **response_kwargs):
+        tex = render_to_string(self.template_name, context=context, request=self.request)
+        temp_dir = mkdtemp()
+        with open(os.path.join(temp_dir, "texput.tex"), "w") as f:
+            f.write(tex)
+        process = subprocess.Popen(["pdflatex", "-interaction=nonstopmode", f"-output-directory={temp_dir}",
+                                    os.path.join(temp_dir, "texput.tex"), ])
+        process.wait()
+        return FileResponse(open(os.path.join(temp_dir, "texput.pdf"), "rb"),
+                            content_type="application/pdf",
+                            filename=self.template_name.split("/")[-1][:-3] + "pdf")
+
+
+class AdultPhotoAuthorizationTemplateView(AuthorizationTemplateView):
+    template_name = "registration/tex/Autorisation_droit_image_majeur.tex"
+
+
+class ChildPhotoAuthorizationTemplateView(AuthorizationTemplateView):
+    template_name = "registration/tex/Autorisation_droit_image_mineur.tex"
+
+
+class ParentalAuthorizationTemplateView(AuthorizationTemplateView):
+    template_name = "registration/tex/Autorisation_parentale.tex"
+
+
+class InstructionsTemplateView(AuthorizationTemplateView):
+    template_name = "registration/tex/Instructions.tex"
+
+
 class PaymentUpdateView(LoginRequiredMixin, UpdateView):
     model = Payment
     form_class = PaymentForm