fix del contact from group and image for ticket

tests/test_organizational_ticketing.py

@@ -257,6 +257,92 @@ def test_superuser_without_staff_profile_can_open_all_staff_contacts(client):
     assert "customer-without-profile" not in response.content.decode()
 
 
+@pytest.mark.django_db
+def test_staff_can_visually_add_and_remove_contact_group_memberships(client):
+    unit = OrganizationalUnit.objects.create(name="واحد ویرایش مخاطب", slug="contact-membership-editor")
+    unit.permissions.add(*Permission.objects.filter(
+        content_type__app_label="customers",
+        codename__in=("view_customerprofile", "change_customerprofile"),
+    ))
+    staff = make_staff("contact-membership-agent", unit)
+    contact = make_contact("editable-contact", "09120000505")
+    first = ContactGroup.objects.create(name="گروه اولیه", unit=unit)
+    second = ContactGroup.objects.create(name="گروه جایگزین", unit=unit)
+    contact.customer_profile.groups.add(first)
+    client.force_login(staff)
+    url = reverse("staff_tickets:contact_edit", args=[contact.public_id])
+
+    page = client.get(url)
+    content = page.content.decode()
+    assert page.status_code == 200
+    assert "data-contact-group-selector" in content
+    assert "data-group-search" in content
+    assert str(first.pk) in {str(value) for value in page.context["form"]["groups"].value()}
+    assert f'value="{second.pk}"' in content
+
+    response = client.post(url, {
+        "mobile": contact.local_mobile,
+        "first_name": "مخاطب",
+        "last_name": "ویرایش‌شده",
+        "organization_name": "",
+        "stakeholder_type": CustomerProfile.StakeholderType.CUSTOMER,
+        "groups": [second.pk],
+        "province": "",
+        "city": "",
+    })
+
+    assert response.status_code == 302
+    assert set(contact.customer_profile.groups.values_list("pk", flat=True)) == {second.pk}
+
+
+@pytest.mark.django_db
+def test_staff_ticket_create_supports_multiple_previewable_attachments(client, monkeypatch, settings, tmp_path):
+    settings.MEDIA_ROOT = tmp_path
+    unit = OrganizationalUnit.objects.create(name="واحد پیوست کارشناس", slug="staff-attachment-unit")
+    unit.permissions.add(Permission.objects.get(content_type__app_label="tickets", codename="add_ticket"))
+    staff = make_staff("staff-attachment-agent", unit)
+    category = TicketCategory.objects.create(unit=unit, title="مدارک", slug="staff-attachment-category")
+    AttachmentPolicy.objects.create(attachment_type="IMAGE", max_file_size=1024 * 1024, allowed_extensions=[".jpg"])
+    AttachmentPolicy.objects.create(attachment_type="PDF", max_file_size=1024 * 1024, allowed_extensions=[".pdf"])
+    monkeypatch.setattr(
+        "apps.attachments.services.magic.from_buffer",
+        lambda content, mime=True: "image/jpeg" if content.startswith(b"\xff\xd8") else "application/pdf",
+    )
+    client.force_login(staff)
+    url = reverse("staff_tickets:create")
+
+    page = client.get(url)
+    content = page.content.decode()
+    assert page.status_code == 200
+    assert "data-ticket-composer" in content
+    assert "data-gallery-input" in content
+    assert "data-document-input" in content
+    assert "data-file-preview" in content
+    assert "attachment-uploader.js" in content
+    assert "ایجاد پرونده از طرف واحد پیوست کارشناس" in content
+
+    response = client.post(url, {
+        "unit": unit.pk,
+        "customer_mobile": "09120000506",
+        "first_name": "مشتری",
+        "last_name": "پیوست",
+        "stakeholder_type": CustomerProfile.StakeholderType.CUSTOMER,
+        "category": category.pk,
+        "subject": "ارسال همزمان تصویر و سند",
+        "body": "دو فایل برای این پرونده ثبت می‌شود.",
+        "files": [
+            SimpleUploadedFile("photo.jpg", b"\xff\xd8\xff\xe0image", content_type="image/jpeg"),
+            SimpleUploadedFile("document.pdf", b"%PDF-1.4\n%%EOF", content_type="application/pdf"),
+        ],
+    })
+
+    assert response.status_code == 302
+    ticket = Ticket.objects.get(subject="ارسال همزمان تصویر و سند")
+    assert set(ticket.ticket_messages.get().attachments.values_list("original_name", flat=True)) == {
+        "photo.jpg", "document.pdf",
+    }
+
+
 @pytest.mark.django_db
 def test_unit_scoped_add_ticket_preserves_contact_ownership_and_stakeholder(client):
     unit=OrganizationalUnit.objects.create(name="حسابداری عملیاتی",slug="accounting-ops")