Add endpoint to get the email reply to addresses for a service

- Changed the dao_get_reply_to_by_service_id method to return a list of
results.
- Added a GET /service/<service_id>/email-reply-to endpoint

app/dao/service_email_reply_to_dao.py

@@ -5,12 +5,17 @@ from app.models import ServiceEmailReplyTo
 
 def create_or_update_email_reply_to(service_id, email_address):
     reply_to = dao_get_reply_to_by_service_id(service_id)
-    if reply_to:
-        reply_to.email_address = email_address
-        dao_update_reply_to_email(reply_to)
-    else:
+    if len(reply_to) == 0:
         reply_to = ServiceEmailReplyTo(service_id=service_id, email_address=email_address)
         dao_create_reply_to_email_address(reply_to)
+    elif len(reply_to) == 1:
+        reply_to[0].email_address = email_address
+        dao_update_reply_to_email(reply_to[0])
+    else:
+        raise InvalidRequest(
+            "Multiple reply to email addresses were found, this method should not be used.",
+            status_code=500
+        )
 
 
 @transactional
@@ -23,7 +28,7 @@ def dao_get_reply_to_by_service_id(service_id):
         ServiceEmailReplyTo
     ).filter(
         ServiceEmailReplyTo.service_id == service_id
-    ).first()
+    ).all()
     return reply_to
 
 

app/models.py

@@ -1343,3 +1343,11 @@ class ServiceEmailReplyTo(db.Model):
     is_default = db.Column(db.Boolean, nullable=False, default=True)
     created_at = db.Column(db.DateTime, nullable=False, default=datetime.datetime.utcnow)
     updated_at = db.Column(db.DateTime, nullable=True, onupdate=datetime.datetime.utcnow)
+
+    def serialize(self):
+        return {
+            'email_address': self.email_address,
+            'is_default': self.is_default,
+            'created_at': self.created_at,
+            'updated_at': self.updated_at
+        }

app/service/rest.py

@@ -46,7 +46,7 @@ from app.dao.service_whitelist_dao import (
     dao_add_and_commit_whitelisted_contacts,
     dao_remove_service_whitelist
 )
-from app.dao.service_email_reply_to_dao import create_or_update_email_reply_to
+from app.dao.service_email_reply_to_dao import create_or_update_email_reply_to, dao_get_reply_to_by_service_id
 from app.dao.provider_statistics_dao import get_fragment_count
 from app.dao.users_dao import get_user_by_id
 from app.errors import (
@@ -523,6 +523,12 @@ def create_one_off_notification(service_id):
     return jsonify(resp), 201
 
 
+@service_blueprint.route('/<uuid:service_id>/email-reply-to', methods=["GET"])
+def get_email_reply_to_addresses(service_id):
+    result = dao_get_reply_to_by_service_id(service_id)
+    return jsonify([i.serialize() for i in result]), 200
+
+
 @service_blueprint.route('/unique', methods=["GET"])
 def is_service_name_unique():
     name, email_from = check_request_args(request)

tests/app/dao/test_service_email_reply_to_dao.py

@@ -25,8 +25,9 @@ def test_create_or_update_email_reply_to_updates_existing_entry(notify_db_sessio
 
     reply_to = dao_get_reply_to_by_service_id(service.id)
 
-    assert reply_to.service.id == service.id
-    assert reply_to.email_address == 'different@mail.com'
+    assert len(reply_to) == 1
+    assert reply_to[0].service.id == service.id
+    assert reply_to[0].email_address == 'different@mail.com'
 
 
 def test_create_or_update_email_reply_to_creates_new_entry(notify_db_session):
@@ -37,5 +38,5 @@ def test_create_or_update_email_reply_to_creates_new_entry(notify_db_session):
     reply_to = dao_get_reply_to_by_service_id(service.id)
 
     assert ServiceEmailReplyTo.query.count() == 1
-    assert reply_to.service.id == service.id
-    assert reply_to.email_address == 'test@mail.com'
+    assert reply_to[0].service.id == service.id
+    assert reply_to[0].email_address == 'test@mail.com'

tests/app/db.py

@@ -333,11 +333,13 @@ def create_monthly_billing_entry(
 
 def create_reply_to_email(
     service,
-    email_address
+    email_address,
+    is_default=True
 ):
     data = {
         'service': service,
         'email_address': email_address,
+        'is_default': is_default,
     }
     reply_to = ServiceEmailReplyTo(**data)
 

tests/app/service/test_rest.py

@@ -25,7 +25,7 @@ from tests.app.conftest import (
     sample_notification_history as create_notification_history,
     sample_notification_with_job
 )
-from tests.app.db import create_template, create_service_inbound_api, create_notification
+from tests.app.db import create_template, create_service_inbound_api, create_notification, create_reply_to_email
 from tests.app.db import create_user
 
 
@@ -2148,3 +2148,53 @@ def test_update_service_reply_to_email_address_upserts_email_reply_to(admin_requ
     assert service_reply_to_emails[0].email_address == 'new@mail.com'
     assert service_reply_to_emails[0].is_default
     assert response['data']['reply_to_email_address'] == 'new@mail.com'
+
+
+def test_get_email_reply_to_addresses_when_there_are_no_reply_to_email_addresses(client, sample_service):
+    response = client.get('/service/{}/email-reply-to'.format(sample_service.id),
+                          headers=[create_authorization_header()])
+
+    assert json.loads(response.get_data(as_text=True)) == []
+    assert response.status_code == 200
+
+
+def test_get_email_reply_to_addresses_with_one_email_address(client, notify_db, notify_db_session):
+    service = create_service(notify_db=notify_db, notify_db_session=notify_db_session)
+    reply_to = create_reply_to_email(service, 'test@mail.com')
+    service.reply_to_email_address = 'test@mail.com'
+
+    response = client.get('/service/{}/email-reply-to'.format(service.id),
+                          headers=[create_authorization_header()])
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert len(json_response) == 1
+    assert json_response[0]['email_address'] == 'test@mail.com'
+    assert json_response[0]['is_default']
+    assert json_response[0]['created_at']
+    assert not json_response[0]['updated_at']
+    assert response.status_code == 200
+
+
+def test_get_email_reply_to_addresses_with_multiple_email_addresses(client, notify_db, notify_db_session):
+    service = create_service(notify_db=notify_db, notify_db_session=notify_db_session)
+    reply_to_a = create_reply_to_email(service, 'test_a@mail.com')
+    reply_to_b = create_reply_to_email(service, 'test_b@mail.com', False)
+
+    service.reply_to_email_address = 'test_a@mail.com'
+
+    response = client.get('/service/{}/email-reply-to'.format(service.id),
+                          headers=[create_authorization_header()])
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert len(json_response) == 2
+    assert response.status_code == 200
+
+    assert json_response[0]['email_address'] == 'test_a@mail.com'
+    assert json_response[0]['is_default']
+    assert json_response[0]['created_at']
+    assert not json_response[0]['updated_at']
+
+    assert json_response[1]['email_address'] == 'test_b@mail.com'
+    assert not json_response[1]['is_default']
+    assert json_response[1]['created_at']
+    assert not json_response[1]['updated_at']