Add notation sheets templates that are autocompleted with the data

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

participation/views.py

@@ -4,6 +4,8 @@
 import csv
 from io import BytesIO
 import os
+import subprocess
+from tempfile import mkdtemp
 from zipfile import ZipFile
 
 from django.conf import settings
@@ -818,6 +820,41 @@ class PoolUploadNotesView(VolunteerMixin, FormView, DetailView):
         return reverse_lazy('participation:pool_detail', args=(self.kwargs['pk'],))
 
 
+class NotationSheetTemplateView(VolunteerMixin, DetailView):
+    """
+    Generate a PDF from a LaTeX template for the notation papers.
+    """
+    model = Pool
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['esp'] = self.object.passages.count() * '&'
+        context['is_jury'] = self.request.user.registration in self.object.juries.all() \
+            and 'blank' not in self.request.GET
+        context['tfjm_number'] = timezone.now().year - 2010
+        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(streaming_content=open(os.path.join(temp_dir, "texput.pdf"), "rb"),
+                            content_type="application/pdf",
+                            filename=self.template_name.split("/")[-1][:-3] + "pdf")
+
+
+class ScaleNotationSheetTemplateView(NotationSheetTemplateView):
+    template_name = 'participation/tex/bareme.tex'
+
+
+class FinalNotationSheetTemplateView(NotationSheetTemplateView):
+    template_name = 'participation/tex/finale.tex'
+
+
 class PassageCreateView(VolunteerMixin, CreateView):
     model = Passage
     form_class = PassageForm