Teams must send their motivation letter

apps/participation/views.py

@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from io import BytesIO
+import os
 from zipfile import ZipFile
 
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -9,13 +10,13 @@ from django.contrib.sites.models import Site
 from django.core.exceptions import PermissionDenied
 from django.core.mail import send_mail
 from django.db import transaction
-from django.http import Http404, HttpResponse
+from django.http import FileResponse, Http404, HttpResponse
 from django.shortcuts import redirect
 from django.template.loader import render_to_string
 from django.urls import reverse_lazy
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, DetailView, FormView, RedirectView, TemplateView, UpdateView
+from django.views.generic import CreateView, DetailView, FormView, RedirectView, TemplateView, UpdateView, View
 from django.views.generic.edit import FormMixin, ProcessFormView
 from django_tables2 import SingleTableView
 from magic import Magic
@@ -24,8 +25,9 @@ from tfjm.lists import get_sympa_client
 from tfjm.matrix import Matrix
 from tfjm.views import AdminMixin, VolunteerMixin
 
-from .forms import JoinTeamForm, NoteForm, ParticipationForm, PassageForm, PoolForm, PoolTeamsForm, \
-    RequestValidationForm, SolutionForm, SynthesisForm, TeamForm, TournamentForm, ValidateParticipationForm
+from .forms import JoinTeamForm, MotivationLetterForm, NoteForm, ParticipationForm, PassageForm, PoolForm, \
+    PoolTeamsForm, RequestValidationForm, SolutionForm, SynthesisForm, TeamForm, TournamentForm, \
+    ValidateParticipationForm
 from .models import Note, Participation, Passage, Pool, Solution, Synthesis, Team, Tournament
 from .tables import NoteTable, ParticipationTable, PassageTable, PoolTable, TeamTable, TournamentTable
 
@@ -178,7 +180,8 @@ class TeamDetailView(LoginRequiredMixin, FormMixin, ProcessFormView, DetailView)
             all(r.email_confirmed for r in team.students.all()) and \
             all(r.photo_authorization for r in team.participants.all()) and \
             all(r.health_sheet for r in team.students.all() if r.under_18) and \
-            all(r.parental_authorization for r in team.students.all() if r.under_18)
+            all(r.parental_authorization for r in team.students.all() if r.under_18) and \
+            team.motivation_letter
 
         return context
 
@@ -209,7 +212,7 @@ class TeamDetailView(LoginRequiredMixin, FormMixin, ProcessFormView, DetailView)
             return self.form_invalid(form)
         if not self.get_context_data()["can_validate"]:
             form.add_error(None, _("The team can't be validated: missing email address confirmations, "
-                                   "authorizations, people or the chosen problem is not set."))
+                                   "authorizations, people, motivation letter or the tournament is not set."))
             return self.form_invalid(form)
 
         self.object.participation.valid = False
@@ -304,6 +307,55 @@ class TeamUpdateView(LoginRequiredMixin, UpdateView):
         return super().form_valid(form)
 
 
+class TeamUploadMotivationLetterView(LoginRequiredMixin, UpdateView):
+    """
+    A team can send its motivation letter.
+    """
+    model = Team
+    form_class = MotivationLetterForm
+    template_name = "participation/upload_motivation_letter.html"
+    extra_context = dict(title=_("Upload motivation letter"))
+
+    def dispatch(self, request, *args, **kwargs):
+        if not self.request.user.is_authenticated or \
+                not self.request.user.registration.is_admin \
+                and self.request.user.registration.team != self.get_object():
+            return self.handle_no_permission()
+        return super().dispatch(request, *args, **kwargs)
+
+    @transaction.atomic
+    def form_valid(self, form):
+        old_instance = Team.objects.get(pk=self.object.pk)
+        if old_instance.motivation_letter:
+            old_instance.motivation_letter.delete()
+            old_instance.save()
+        return super().form_valid(form)
+
+
+class MotivationLetterView(LoginRequiredMixin, View):
+    """
+    Display the sent motivation letter.
+    """
+    def get(self, request, *args, **kwargs):
+        filename = kwargs["filename"]
+        path = f"media/authorization/motivation_letters/{filename}"
+        if not os.path.exists(path):
+            raise Http404
+        team = Team.objects.get(motivation_letter__endswith=filename)
+        user = request.user
+        if not (user.registration in team.participants.all() or user.registration.is_admin
+                or user.registration.is_volunteer
+                and team.participation.tournament in user.registration.organized_tournaments.all()):
+            raise PermissionDenied
+        # Guess mime type of the file
+        mime = Magic(mime=True)
+        mime_type = mime.from_file(path)
+        ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+        # Replace file name
+        true_file_name = _("Motivation letter of {team}.{ext}").format(team=str(team), ext=ext)
+        return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name)
+
+
 class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
     """
     Get as a ZIP archive all the authorizations that are sent
@@ -322,10 +374,10 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
 
     def get(self, request, *args, **kwargs):
         team = self.get_object()
+        magic = Magic(mime=True)
         output = BytesIO()
         zf = ZipFile(output, "w")
         for participant in team.participants.all():
-            magic = Magic(mime=True)
             if participant.photo_authorization:
                 mime_type = magic.from_file("media/" + participant.photo_authorization.name)
                 ext = mime_type.split("/")[1].replace("jpeg", "jpg")
@@ -344,6 +396,12 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
                 ext = mime_type.split("/")[1].replace("jpeg", "jpg")
                 zf.write("media/" + participant.health_sheet.name,
                          _("Health sheet of {participant}.{ext}").format(participant=str(participant), ext=ext))
+
+        if team.motivation_letter:
+            mime_type = magic.from_file("media/" + team.motivation_letter.name)
+            ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+            zf.write("media/" + team.motivation_letter.name,
+                     _("Motivation letter of {team}.{ext}").format(team=str(team), ext=ext))
         zf.close()
         response = HttpResponse(content_type="application/zip")
         response["Content-Disposition"] = "attachment; filename=\"{filename}\"" \
@@ -518,6 +576,7 @@ class SolutionUploadView(LoginRequiredMixin, FormView):
         # Drop previous solution if existing
         for sol in sol_qs.all():
             sol.file.delete()
+            sol.save()
             sol.delete()
         form_sol.participation = self.participation
         form_sol.final = self.participation.final
@@ -698,6 +757,7 @@ class SynthesisUploadView(LoginRequiredMixin, FormView):
         # Drop previous solution if existing
         for syn in syn_qs.all():
             syn.file.delete()
+            syn.save()
             syn.delete()
         form_syn.participation = self.participation
         form_syn.passage = self.passage