Add script to export solutions

Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>

.gitignore

@@ -35,6 +35,7 @@ coverage
 secrets.py
 *.log
 media/
+output/
 # Virtualenv
 env/
 venv/

apps/participation/management/commands/export_solutions.py

@@ -0,0 +1,83 @@
+# Copyright (C) 2021 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from pathlib import Path
+
+from django.contrib.auth.models import User
+from django.core.management import BaseCommand
+from django.utils.formats import date_format
+from django.utils.translation import activate
+
+from participation.models import Solution, Tournament
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **kwargs):
+        activate('fr')
+
+        base_dir = Path(__file__).parent.parent.parent.parent.parent
+        base_dir /= "output"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
+        base_dir /= "Par équipe"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
+
+        tournaments = Tournament.objects.all()
+        for tournament in tournaments:
+            self.handle_tournament(tournament, base_dir)
+
+        base_dir = base_dir.parent / "Par problème"
+        if not base_dir.is_dir():
+            base_dir.mkdir()
+
+        PROBLEMS = [
+                "Agent 1234",
+                "Bataille rangée",
+                "C'est pas trop tôt !",
+                "Chocolaterie de haut vol",
+                "Stratégies féodales",
+                "Le facteur n'est pas passé",
+                "Vive les grenouilles libres !",
+                "Télé truquée",
+        ]
+
+        for problem_id, problem_name in enumerate(PROBLEMS):
+            dir_name = f"Problème n°{problem_id} : {problem_name}"
+            problem_dir = base_dir / dir_name
+            if not problem_dir.is_dir():
+                problem_dir.mkdir()
+            self.handle_problem(problem_id, problem_dir)
+
+    def handle_tournament(self, tournament, base_dir):
+        name = tournament.name
+        tournament_dir = base_dir / name
+        if not tournament_dir.is_dir():
+            tournament_dir.mkdir()
+
+        for participation in tournament.participations.filter(valid=True).all():
+            self.handle_participation(participation, tournament_dir)
+
+    def handle_participation(self, participation, tournament_dir):
+        name = participation.team.name
+        trigram = participation.team.trigram
+        team_dir = tournament_dir / f"{name} ({trigram})"
+        if not team_dir.is_dir():
+            team_dir.mkdir()
+
+        for solution in participation.solutions.all():
+            filename = f"{solution}.pdf"
+            with solution.file as file_input:
+                with open(team_dir / filename, 'wb') as file_output:
+                    file_output.write(file_input.read())
+
+    def handle_problem(self, problem_id, directory):
+        solutions = Solution.objects.filter(problem=problem_id).all()
+
+        for solution in solutions:
+            team = solution.participation.team
+            tournament_name = team.participation.tournament.name
+            output_file = directory / f'{solution}.pdf'
+            if output_file.is_file():
+                output_file.unlink()
+            output_file.symlink_to(f'../../Par équipe/{tournament_name}/{team.name} ({team.trigram})/{solution}.pdf')