From 74679289a4f6d54b96cdf37138855cd56eca41b0 Mon Sep 17 00:00:00 2001
From: Karl Determe <karl.determe@streetup.be>
Date: Thu, 3 Sep 2026 17:05:20 +0200
Subject: [PATCH] feat: add calendar view for interventions with user
 preference persistence

---
 loko/interventions/tests/test_calendar.py | 41 +++++++++++++++++++++++
 loko/interventions/views/calendar.py      |  6 +++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/loko/interventions/tests/test_calendar.py b/loko/interventions/tests/test_calendar.py
index bed5cd3..2e4e488 100644
--- a/loko/interventions/tests/test_calendar.py
+++ b/loko/interventions/tests/test_calendar.py
@@ -387,6 +387,47 @@ class CalendarEventsTests(TestCase):
 
         self.assertEqual(ids, [itv_urgent_new.id, itv_urgent_old.id, itv_low_old.id])
 
+    def test_calendar_backlog_includes_overdue_interventions_older_than_three_months(self):
+        old_date = timezone.now() - timedelta(days=150)
+        itv_old_unprocessed = Intervention.objects.create(
+            title='Old To Be Processed Intervention',
+            status='to_be_processed',
+            maintain_type='corrective',
+            expected_begin_time=old_date,
+            planned_begin_time=old_date,
+        )
+        Intervention.objects.filter(id=itv_old_unprocessed.id).update(creation_time=old_date)
+
+        itv_old_finished = Intervention.objects.create(
+            title='Old Finished Intervention',
+            status='finished',
+            maintain_type='corrective',
+            end_time=old_date,
+        )
+        Intervention.objects.filter(id=itv_old_finished.id).update(creation_time=old_date)
+
+        # Test in teams_daily view mode
+        url_daily = reverse('interventions:interventions_events') + '?view_mode=teams_daily'
+        response_daily = self.client.get(url_daily)
+        self.assertEqual(response_daily.status_code, 200)
+        data_daily = response_daily.json()
+        backlog_daily = data_daily.get('backlog_groups', {}).get('corrective', [])
+        backlog_daily_ids = [item['id'] for item in backlog_daily]
+
+        self.assertIn(itv_old_unprocessed.id, backlog_daily_ids)
+        self.assertNotIn(itv_old_finished.id, backlog_daily_ids)
+
+        # Test in members view mode
+        url_members = reverse('interventions:interventions_events') + '?view_mode=members'
+        response_members = self.client.get(url_members)
+        self.assertEqual(response_members.status_code, 200)
+        data_members = response_members.json()
+        backlog_members = data_members.get('backlog_groups', {}).get('corrective', [])
+        backlog_members_ids = [item['id'] for item in backlog_members]
+
+        self.assertIn(itv_old_unprocessed.id, backlog_members_ids)
+        self.assertNotIn(itv_old_finished.id, backlog_members_ids)
+
     def test_member_history_ajax_permissions_and_data(self):
         from contracts.models import CompanyMember, CompanyMemberHistory
         from interventions.models import Intervention
diff --git a/loko/interventions/views/calendar.py b/loko/interventions/views/calendar.py
index 9026337..672915c 100644
--- a/loko/interventions/views/calendar.py
+++ b/loko/interventions/views/calendar.py
@@ -126,6 +126,7 @@ logger = logging.getLogger(__name__)
 
 from interventions.views.helpers import *
 
+FINISHED_STATUSES = {'finished', 'processed', 'corrected', 'validated', 'invoiced', 'closed', 'canceled'}
 
 
 def interventions_calendar(request):
@@ -372,9 +373,12 @@ def interventions_events(request):
     end_window_filter = Q(effective_end__gte=start) | Q(effective_end__isnull=True)
 
     if view_mode in ('members', 'teams_daily'):
+        # Dans les vues par membres et par équipes journalières, le panneau latéral présente le backlog à assigner.
+        # Les interventions non terminées doivent rester visibles dans ce backlog même si leur date dépasse 3 mois.
+        backlog_window_filter = end_window_filter | ~Q(status__in=FINISHED_STATUSES)
         interventions = (
             interventions
-            .filter(end_window_filter)
+            .filter(backlog_window_filter)
             .filter(Q(effective_begin__lte=end) | Q(effective_begin__isnull=True))
         )
     else: