management/commands/send_reports.py

+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from datetime import timedelta
+
+from django.core.management import BaseCommand
+from django.db.models import Q
+from django.template.loader import render_to_string
+from django.utils import timezone
+from django.utils.translation import activate
+
+from note.models import NoteUser, Transaction
+from note.tables import HistoryTable
+
+
+class Command(BaseCommand):
+    def handle(self, *args, **options):
+        activate('fr')
+        notes = NoteUser.objects.filter(
+            user__memberships__date_end__gte=timezone.now(),
+        ).distinct().all()
+        for note in notes:
+            now = timezone.now()
+            last_week = now - timedelta(days=7)
+            last_transactions = Transaction.objects.filter(
+                Q(source=note) | Q(destination=note),
+                created_at__gte=last_week,
+            ).all()
+            if not last_transactions.exists():
+                continue
+
+            table = HistoryTable(last_transactions)
+            incoming = sum(tr.total for tr in last_transactions if tr.destination.pk == note.pk)
+            outcoming = sum(tr.total for tr in last_transactions if tr.source.pk == note.pk)
+            context = dict(
+                user=note.user,
+                table=table,
+                incoming=incoming,
+                outcoming=outcoming,
+                diff=incoming - outcoming,
+                now=now,
+                last_week=last_week,
+            )
+            html = render_to_string("note/mails/weekly_report.html", context)
+            note.user.email_user("[Note Kfet] Rapport de la Note Kfet", html, html_message=html)