The template type should be passed in when doing a search by recipent.

It is possible to search for a phone number when from the email notification page and get a SMS message in return.
This also helps to optimise the query.

tests/app/dao/notification_dao/test_notification_dao.py

@@ -1838,6 +1838,26 @@ def test_dao_get_notifications_by_to_field_search_ignores_spaces(sample_template
     assert notification3.id in notification_ids
 
 
+def test_dao_get_notifications_by_to_field_only_searches_for_notification_type(
+    notify_db_session
+):
+    service = create_service()
+    sms_template = create_template(service=service)
+    email_template = create_template(service=service, template_type='email')
+    sms = create_notification(template=sms_template, to_field='0771111111', normalised_to='0771111111')
+    email = create_notification(
+        template=email_template, to_field='077@example.com', normalised_to='077@example.com'
+    )
+    results = dao_get_notifications_by_to_field(service.id, "077")
+    assert len(results) == 2
+    results = dao_get_notifications_by_to_field(service.id, "077", notification_type='sms')
+    assert len(results) == 1
+    assert results[0].id == sms.id
+    results = dao_get_notifications_by_to_field(service.id, "077", notification_type='email')
+    assert len(results) == 1
+    assert results[0].id == email.id
+
+
 def test_dao_created_scheduled_notification(sample_notification):
 
     scheduled_notification = ScheduledNotification(notification_id=sample_notification.id,

tests/app/service/test_rest.py

@@ -2238,6 +2238,42 @@ def test_search_for_notification_by_to_field_returns_personlisation(
     assert notifications[0]['personalisation']['name'] == 'Foo'
 
 
+def test_search_for_notification_by_to_field_returns_notifications_by_type(
+    client,
+    notify_db,
+    notify_db_session,
+    sample_template,
+    sample_email_template
+):
+    sms_notification = create_sample_notification(
+        notify_db,
+        notify_db_session,
+        to_field='+447700900855',
+        normalised_to='447700900855',
+        template=sample_template
+    )
+    create_sample_notification(
+        notify_db,
+        notify_db_session,
+        to_field='44770@gamil.com',
+        normalised_to='44770@gamil.com',
+        template=sample_email_template
+    )
+
+    response = client.get(
+        '/service/{}/notifications?to={}&template_type={}'.format(
+            sms_notification.service_id, '0770', 'sms'
+
+        ),
+        headers=[create_authorization_header()]
+    )
+    notifications = json.loads(response.get_data(as_text=True))['notifications']
+
+    assert response.status_code == 200
+    assert len(notifications) == 1
+    assert notifications[0]['id'] == str(sms_notification.id)
+
+
 def test_is_service_name_unique_returns_200_if_unique(admin_request, notify_db, notify_db_session):
     service = create_service(service_name='unique', email_from='unique')