Add notifications from Google Drive to automatically get updates from Google Sheets

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

participation/management/commands/renew_gdrive_notifications.py

@@ -0,0 +1,58 @@
+# Copyright (C) 2024 by Animath
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from hashlib import sha1
+
+import gspread
+from django.conf import settings
+from django.contrib.sites.models import Site
+from django.core.management import BaseCommand
+from django.urls import reverse
+from django.utils import timezone
+from django.utils.timezone import localtime
+
+from ...models import Tournament
+
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--tournament', '-t', help="Tournament name to update (if not set, all tournaments will be updated)",
+        )
+
+    def handle(self, *args, **options):
+        tournaments = Tournament.objects.all() if not options['tournament'] \
+            else Tournament.objects.filter(name=options['tournament']).all()
+
+        gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
+        http_client = gc.http_client
+        http_client.login()
+
+        site = Site.objects.get(pk=settings.SITE_ID)
+
+        now = localtime(timezone.now())
+        tomorrow = now + timezone.timedelta(days=1)
+        tomorrow -= timezone.timedelta(hours=now.hour, minutes=now.minute, seconds=now.second,
+                                       microseconds=now.microsecond)
+
+        for tournament in tournaments:
+            if options['verbosity'] >= 1:
+                self.stdout.write(f"Renewing Google Drive notifications for {tournament}")
+
+            if not tournament.notes_sheet_id:
+                if options['verbosity'] >= 1:
+                    self.stdout.write(
+                        self.style.WARNING(f"No spreadsheet found for {tournament}. Please create it first"))
+                continue
+
+            channel_id = sha1(f"{tournament.name}-{timezone.now().date()}-{site.domain}".encode()).hexdigest()
+            url = f"https://www.googleapis.com/drive/v3/files/{tournament.notes_sheet_id}/watch"
+            notif_path = reverse('participation:tournament_gsheet_notifications', args=[tournament.pk])
+            notif_url = f"https://{site.domain}{notif_path}"
+            body = {
+                "id": channel_id,
+                "type": "web_hook",
+                "address": notif_url,
+                "expiration": str(int(1000 * tomorrow.timestamp())),
+            }
+            http_client.request(method="POST", endpoint=url, json=body).raise_for_status()