Persist simple polygons in the db.

They are being sent over from admin, and persisted
in the db so we can send them on to the broadcast
provider later on.

tests/app/broadcast_message/test_rest.py

@@ -11,7 +11,10 @@ from tests.app.db import create_broadcast_message, create_template, create_servi
 
 def test_get_broadcast_message(admin_request, sample_service):
     t = create_template(sample_service, BROADCAST_TYPE)
-    bm = create_broadcast_message(t, areas=['place A', 'region B'])
+    bm = create_broadcast_message(t, areas={
+        "areas": ['place A', 'region B'],
+        "simple_polygons": [[50.1, 1.2], [50.12, 1.2]]
+    })
 
     response = admin_request.get(
         'broadcast_message.get_broadcast_message',
@@ -177,7 +180,10 @@ def test_update_broadcast_message_doesnt_allow_edits_after_broadcast_goes_live(a
 
 def test_update_broadcast_message_sets_finishes_at_separately(admin_request, sample_service):
     t = create_template(sample_service, BROADCAST_TYPE)
-    bm = create_broadcast_message(t, areas=['manchester'])
+    bm = create_broadcast_message(
+        t,
+        areas={"areas": ['london'], "simple_polygons": [[50.12, 1.2], [50.13, 1.2], [50.14, 1.21]]}
+    )
 
     response = admin_request.post(
         'broadcast_message.update_broadcast_message',

tests/app/celery/test_broadcast_message_tasks.py

@@ -11,7 +11,11 @@ from tests.app.db import create_template, create_broadcast_message, create_broad
 
 def test_send_broadcast_message_sends_data_correctly(sample_service):
     template = create_template(sample_service, BROADCAST_TYPE)
-    broadcast_message = create_broadcast_message(template, areas=['london'], status=BroadcastStatusType.BROADCASTING)
+    broadcast_message = create_broadcast_message(
+        template,
+        areas={"areas": ['london'], "simple_polygons": [[50.12, 1.2], [50.13, 1.2], [50.14, 1.21]]},
+        status=BroadcastStatusType.BROADCASTING
+    )
 
     with requests_mock.Mocker() as request_mock:
         request_mock.post("http://test-cbc-proxy/broadcasts/stub-1", json={'valid': 'true'}, status_code=200)
@@ -29,7 +33,11 @@ def test_send_broadcast_message_sends_data_correctly(sample_service):
 
 def test_send_broadcast_message_sends_old_version_of_template(sample_service):
     template = create_template(sample_service, BROADCAST_TYPE, content='first content')
-    broadcast_message = create_broadcast_message(template, areas=['london'], status=BroadcastStatusType.BROADCASTING)
+    broadcast_message = create_broadcast_message(
+        template,
+        areas={"areas": ['london'], "simple_polygons": [[50.12, 1.2], [50.13, 1.2], [50.14, 1.21]]},
+        status=BroadcastStatusType.BROADCASTING
+    )
 
     template.content = 'second content'
     dao_update_template(template)

tests/app/db.py

@@ -1006,7 +1006,7 @@ def create_broadcast_message(
     status=BroadcastStatusType.DRAFT,
     starts_at=None,
     finishes_at=None,
-    areas=[],
+    areas={},
 ):
     broadcast_message = BroadcastMessage(
         service_id=template.service_id,