Add export photo authorizations script

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

registration/management/commands/export_photo_authorizations.py

@@ -0,0 +1,35 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from pathlib import Path
+
+from django.core.management import BaseCommand
+from participation.models import Team
+
+
+class Command(BaseCommand):
+    help = """Cette commande permet d'exporter dans le dossier output/photo_authorizations l'ensemble des
+    autorisations de droit à l'image des participant⋅es, triées par équipe, incluant aussi celles de la finale."""
+
+    def handle(self, *args, **kwargs):
+        base_dir = Path(__file__).parent.parent.parent.parent
+        base_dir /= "output"
+        base_dir / "photo_authorizations"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
+
+        for team in Team.objects.filter(participation__valid=True).all():
+            team_dir = base_dir / f"{team.trigram} - {team.name}"
+            if not team_dir.is_dir():
+                team_dir.mkdir()
+
+            for participant in team.participants.all():
+                if participant.photo_authorization:
+                    with participant.photo_authorization.file as file_input:
+                        with open(team_dir / f"{participant}.pdf", 'wb') as file_output:
+                            file_output.write(file_input.read())
+
+                if participant.photo_authorization_final:
+                    with participant.photo_authorization.file as file_input:
+                        with open(team_dir / f"{participant} (finale).pdf", 'wb') as file_output:
+                            file_output.write(file_input.read())