# This file is part of photo21
# Copyright (C) 2022  Amicale des élèves de l'ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

from django.apps import AppConfig
from django.db.backends.signals import connection_created


class PhotologueConfig(AppConfig):
    default_auto_field = "django.db.models.AutoField"
    name = "photologue"

    def ready(self):
        from django.db import connection

        def enable_sqlite_wal(sender, connection, **kwargs):
            if connection.vendor == "sqlite":
                cursor = connection.cursor()
                cursor.execute("PRAGMA journal_mode=WAL;")
                cursor.execute("PRAGMA synchronous=OFF;")
                cursor.execute("PRAGMA journal_size_limit=67108864;")
                cursor.execute("PRAGMA wal_autocheckpoint=1000;")
                cursor.execute("PRAGMA cache_size=-65536;")
                cursor.execute("PRAGMA temp_store=MEMORY;")
                cursor.execute("PRAGMA mmap_size=268435456;")

        connection_created.connect(enable_sqlite_wal)