Add button to download all solutions and syntheses in a ZIP file

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

participation/models.py

@@ -399,7 +399,7 @@ class Pool(models.Model):
 
     @property
     def solutions(self):
-        return Solution.objects.filter(participation__in=self.participations, final_solution=self.tournament.final)
+        return [passage.defended_solution for passage in self.passages.all()]
 
     def average(self, participation):
         return sum(passage.average(participation) for passage in self.passages.all()) \

participation/templates/participation/pool_detail.html

@@ -36,8 +36,30 @@
                 <dt class="col-sm-3">{% trans "Defended solutions:" %}</dt>
                 <dd class="col-sm-9">
                     {% for passage in pool.passages.all %}
-                        <a href="{{ passage.defended_solution.file.url }}">{{ passage.defended_solution }}{% if not forloop.last %}, {% endif %}</a>
+                        <a href="{{ passage.defended_solution.file.url }}">{{ passage.defender.team.trigram }} — {{ passage.get_solution_number_display }}</a>{% if not forloop.last %}, {% endif %}
                     {% endfor %}
+                    <a href="{% url 'participation:pool_download_solutions' pk=pool.pk %}" class="badge rounded-pill text-bg-secondary">
+                        <i class="fas fa-download"></i> {% trans "Download all" %}
+                    </a>
+                </dd>
+
+                <dt class="col-sm-3">{% trans "Syntheses:" %}</dt>
+                <dd class="col-sm-9">
+                    <ul class="list-group list-group-flush">
+                        {% for passage in pool.passages.all %}
+                            <li class="list-group-item">
+                                {{ passage.defender.team.trigram }} — {{ passage.get_solution_number_display }} :
+                                {% for synthesis in passage.syntheses.all %}
+                                    <a href="{{ synthesis.file.url }}">{{ synthesis.participation.team.trigram }} ({{ synthesis.get_type_display }})</a>{% if not forloop.last %}, {% endif %}
+                                {% empty %}
+                                    {% trans "No synthesis was uploaded yet." %}
+                                {% endfor %}
+                            </li>
+                        {% endfor %}
+                    </ul>
+                    <a href="{% url 'participation:pool_download_syntheses' pk=pool.pk %}" class="badge rounded-pill text-bg-secondary">
+                        <i class="fas fa-download"></i> {% trans "Download all" %}
+                    </a>
                 </dd>
 
                 <dt class="col-sm-3">{% trans "BigBlueButton link:" %}</dt>

participation/urls.py

@@ -6,9 +6,9 @@ from django.views.generic import TemplateView
 
 from .views import CreateTeamView, FinalNotationSheetTemplateView, JoinTeamView, MyParticipationDetailView, \
     MyTeamDetailView, NoteUpdateView, ParticipationDetailView, PassageCreateView, PassageDetailView, \
-    PassageUpdateView, PoolAddJurysView, PoolCreateView, PoolDetailView, PoolNotesTemplateView, PoolUpdateTeamsView, \
-    PoolUpdateView, PoolUploadNotesView, ScaleNotationSheetTemplateView, SolutionUploadView, SynthesisUploadView, \
-    TeamAuthorizationsView, TeamDetailView, TeamLeaveView, TeamListView, TeamUpdateView, \
+    PassageUpdateView, PoolAddJurysView, PoolCreateView, PoolDetailView, PoolDownloadView, PoolNotesTemplateView, \
+    PoolUpdateTeamsView, PoolUpdateView, PoolUploadNotesView, ScaleNotationSheetTemplateView, SolutionUploadView, \
+    SynthesisUploadView, TeamAuthorizationsView, TeamDetailView, TeamLeaveView, TeamListView, TeamUpdateView, \
     TeamUploadMotivationLetterView, TournamentCreateView, TournamentDetailView, TournamentExportCSVView, \
     TournamentListView, TournamentUpdateView
 
@@ -37,6 +37,8 @@ urlpatterns = [
     path("pools/create/", PoolCreateView.as_view(), name="pool_create"),
     path("pools/<int:pk>/", PoolDetailView.as_view(), name="pool_detail"),
     path("pools/<int:pk>/update/", PoolUpdateView.as_view(), name="pool_update"),
+    path("pools/<int:pk>/solutions/", PoolDownloadView.as_view(), name="pool_download_solutions"),
+    path("pools/<int:pk>/syntheses/", PoolDownloadView.as_view(), name="pool_download_syntheses"),
     path("pools/<int:pk>/notation/scale/", ScaleNotationSheetTemplateView.as_view(), name="pool_scale_note_sheet"),
     path("pools/<int:pk>/notation/final/", FinalNotationSheetTemplateView.as_view(), name="pool_final_note_sheet"),
     path("pools/<int:pk>/update-teams/", PoolUpdateTeamsView.as_view(), name="pool_update_teams"),

participation/views.py

@@ -733,6 +733,42 @@ class PoolUpdateTeamsView(VolunteerMixin, UpdateView):
         return self.handle_no_permission()
 
 
+class PoolDownloadView(VolunteerMixin, DetailView):
+    """
+    Download all solutions or syntheses as a ZIP archive.
+    """
+    model = Pool
+
+    def dispatch(self, request, *args, **kwargs):
+        if not request.user.is_authenticated:
+            return self.handle_no_permission()
+        if request.user.registration.is_admin or request.user.registration.is_volunteer \
+                and (self.get_object().tournament in request.user.registration.organized_tournaments.all()
+                     or request.user.registration in self.get_object().juries.all()):
+            return super().dispatch(request, *args, **kwargs)
+        return self.handle_no_permission()
+
+    def get(self, request, *args, **kwargs):
+        pool = self.get_object()
+
+        is_solution = 'solutions' in request.path
+
+        output = BytesIO()
+        zf = ZipFile(output, "w")
+        for s in (pool.solutions if is_solution else Synthesis.objects.filter(passage__pool=pool).all()):
+            zf.write("media/" + s.file.name, f"{s}.pdf")
+
+        zf.close()
+        response = HttpResponse(content_type="application/zip")
+        filename = _("Solutions for pool {pool} of tournament {tournament}.zip") \
+            if is_solution else _("Syntheses for pool {pool} of tournament {tournament}.zip")
+        filename = filename.format(pool=pool.get_letter_display() + str(pool.round), tournament=pool.tournament.name)
+        response["Content-Disposition"] = "attachment; filename=\"{filename}\"" \
+            .format(filename=filename)
+        response.write(output.getvalue())
+        return response
+
+
 class PoolAddJurysView(VolunteerMixin, FormView, DetailView):
     """
     This view lets organizers set jurys for a pool, without multiplying clicks.