Add DAO function and endpoint for archiving SMS senders

Added a new DAO function which archives SMS senders by setting
archived to True. This raises an ArchiveValidationError, if
trying to archive a default SMS sender or an inbound number.

Added a new endpoint for archiving SMS senders.

app/dao/service_sms_sender_dao.py

@@ -2,6 +2,7 @@ from sqlalchemy import desc
 
 from app import db
 from app.dao.dao_utils import transactional
+from app.exceptions import ArchiveValidationError
 from app.models import ServiceSmsSender
 
 
@@ -75,6 +76,24 @@ def update_existing_sms_sender_with_inbound_number(service_sms_sender, sms_sende
     return service_sms_sender
 
 
+@transactional
+def archive_sms_sender(service_id, sms_sender_id):
+    sms_sender_to_archive = ServiceSmsSender.query.filter_by(
+        id=sms_sender_id,
+        service_id=service_id
+    ).one()
+
+    if sms_sender_to_archive.inbound_number_id:
+        raise ArchiveValidationError("You cannot delete an inbound number")
+    if sms_sender_to_archive.is_default:
+        raise ArchiveValidationError("You cannot delete a default sms sender")
+
+    sms_sender_to_archive.archived = True
+
+    db.session.add(sms_sender_to_archive)
+    return sms_sender_to_archive
+
+
 def _get_existing_default(service_id):
     sms_senders = dao_get_sms_senders_by_service_id(service_id=service_id)
     if sms_senders:

app/service/rest.py

@@ -20,6 +20,7 @@ from app.dao.api_key_dao import (
 from app.dao.inbound_numbers_dao import dao_allocate_number_for_service
 from app.dao.organisation_dao import dao_get_organisation_by_service_id
 from app.dao.service_sms_sender_dao import (
+    archive_sms_sender,
     dao_add_sms_sender_for_service,
     dao_update_service_sms_sender,
     dao_get_service_sms_senders_by_id,
@@ -685,6 +686,13 @@ def update_service_sms_sender(service_id, sms_sender_id):
     return jsonify(new_sms_sender.serialize()), 200
 
 
+@service_blueprint.route('/<uuid:service_id>/sms-sender/<uuid:sms_sender_id>/archive', methods=['POST'])
+def delete_service_sms_sender(service_id, sms_sender_id):
+    sms_sender = archive_sms_sender(service_id, sms_sender_id)
+
+    return jsonify(data=sms_sender.serialize()), 200
+
+
 @service_blueprint.route('/<uuid:service_id>/sms-sender/<uuid:sms_sender_id>', methods=['GET'])
 def get_service_sms_sender_by_id(service_id, sms_sender_id):
     sms_sender = dao_get_service_sms_senders_by_id(service_id=service_id,