New endpoint to fetch a single reply-to email address by id

app/dao/service_email_reply_to_dao.py

@@ -13,6 +13,16 @@ def dao_get_reply_to_by_service_id(service_id):
     return reply_to
 
 
+def dao_get_reply_to_by_id(service_id, reply_to_id):
+    reply_to = db.session.query(
+        ServiceEmailReplyTo
+    ).filter(
+        ServiceEmailReplyTo.service_id == service_id,
+        ServiceEmailReplyTo.id == reply_to_id
+    ).order_by(ServiceEmailReplyTo.created_at).one()
+    return reply_to
+
+
 def create_or_update_email_reply_to(service_id, email_address):
     reply_to = dao_get_reply_to_by_service_id(service_id)
     if len(reply_to) == 0:

app/service/rest.py

@@ -47,7 +47,7 @@ from app.dao.service_whitelist_dao import (
     dao_remove_service_whitelist
 )
 from app.dao.service_email_reply_to_dao import create_or_update_email_reply_to, dao_get_reply_to_by_service_id, \
-    add_reply_to_email_address_for_service, update_reply_to_email_address
+    add_reply_to_email_address_for_service, update_reply_to_email_address, dao_get_reply_to_by_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 (
@@ -531,6 +531,12 @@ def get_email_reply_to_addresses(service_id):
     return jsonify([i.serialize() for i in result]), 200
 
 
+@service_blueprint.route('/<uuid:service_id>/email-reply-to/<uuid:reply_to_id>', methods=["GET"])
+def get_email_reply_to_address(service_id, reply_to_id):
+    result = dao_get_reply_to_by_id(service_id=service_id, reply_to_id=reply_to_id)
+    return jsonify(result.serialize()), 200
+
+
 @service_blueprint.route('/<uuid:service_id>/email-reply-to', methods=['POST'])
 def add_service_reply_to_email_address(service_id):
     # validate the service exists, throws ResultNotFound exception.