manager: do not display shared custody slots before agenda date start (#71588)

chrono/manager/templates/chrono/manager_shared_custody_agenda_month_view.html

@@ -18,7 +18,11 @@
       <tr>
         <th>{% trans "Week" %} {{ week }}</th>
         {% for slot in slots %}
-          <td class="guardian {% if slot.guardian == agenda.first_guardian %}first-guardian{% else %}second-guardian{% endif %}">{{ slot }}</td>
+          {% if slot.date < agenda.date_start %}
+            <td></td>
+          {% else %}
+            <td class="guardian {% if slot.guardian == agenda.first_guardian %}first-guardian{% else %}second-guardian{% endif %}">{{ slot }}</td>
+          {% endif %}
         {% endfor %}
       </tr>
 

tests/manager/test_shared_custody_agenda.py

@@ -157,7 +157,7 @@ def test_shared_custody_agenda_month_view(app, admin_user):
     father = Person.objects.create(user_external_id='father_id', first_name='John', last_name='Doe')
     mother = Person.objects.create(user_external_id='mother_id', first_name='Jane', last_name='Doe')
     agenda = SharedCustodyAgenda.objects.create(
-        first_guardian=father, second_guardian=mother, date_start=now()
+        first_guardian=father, second_guardian=mother, date_start=datetime.date(2022, 1, 1)
     )
     SharedCustodyRule.objects.create(agenda=agenda, guardian=father, days=list(range(7)), weeks='even')
 
@@ -211,6 +211,44 @@ def test_shared_custody_agenda_month_view(app, admin_user):
     app.get('/manage/shared-custody/%s/42/42/' % agenda.pk, status=404)
 
 
+@pytest.mark.freeze_time('2022-02-01 14:00')  # Tuesday
+def test_shared_custody_agenda_month_view_date_start(app, admin_user):
+    father = Person.objects.create(user_external_id='father_id', first_name='John', last_name='Doe')
+    mother = Person.objects.create(user_external_id='mother_id', first_name='Jane', last_name='Doe')
+    agenda = SharedCustodyAgenda.objects.create(
+        first_guardian=father, second_guardian=mother, date_start=datetime.date(2022, 1, 1)
+    )
+    SharedCustodyRule.objects.create(agenda=agenda, guardian=father, days=list(range(7)))
+
+    app = login(app)
+
+    # custody for the whole month
+    resp = app.get('/manage/shared-custody/%s/' % agenda.pk).follow()
+    assert resp.text.count('<td></td>') == 0
+    assert len([x.text for x in resp.pyquery('tbody tr td.guardian')]) == 35
+
+    # all days are shown
+    days = [x.text for x in resp.pyquery('tbody tr th span')]
+    assert len(days) == 7 * 5
+
+    # custody for half the month
+    agenda.date_start = datetime.date(2022, 2, 14)
+    agenda.save()
+
+    resp = app.get('/manage/shared-custody/%s/' % agenda.pk).follow()
+    assert resp.text.count('<td></td>') == 14
+    assert len([x.text for x in resp.pyquery('tbody tr td.guardian')]) == 21
+
+    # all days are still shown
+    new_days = [x.text for x in resp.pyquery('tbody tr th span')]
+    assert days == new_days
+
+    # month before date_start
+    resp = resp.click('←')
+    assert resp.text.count('<td></td>') == 42
+    assert len([x.text for x in resp.pyquery('tbody tr td.guardian')]) == 0
+
+
 def test_shared_custody_agenda_month_view_queries(app, admin_user):
     father = Person.objects.create(user_external_id='father_id', first_name='John', last_name='Doe')
     mother = Person.objects.create(user_external_id='mother_id', first_name='Jane', last_name='Doe')