[WIP] added dao and rest endpoint for retrieving invited users

by service and by id.

app/invite/rest.py

@@ -4,8 +4,16 @@ from flask import (
     jsonify
 )
 
-from app.dao.invited_user_dao import save_invited_user
-from app.schemas import invited_user_schema
+from app.dao.invited_user_dao import (
+    save_invited_user,
+    get_invited_user,
+    get_invited_users_for_service
+)
+
+from app.schemas import (
+    invited_user_schema,
+    invited_users_schema
+)
 
 invite = Blueprint('invite', __name__, url_prefix='/service/<service_id>/invite')
 
@@ -14,11 +22,21 @@ register_errors(invite)
 
 
 @invite.route('', methods=['POST'])
-def create_invite_user(service_id):
+def create_invited_user(service_id):
     invited_user, errors = invited_user_schema.load(request.get_json())
     if errors:
         return jsonify(result="error", message=errors), 400
-
     save_invited_user(invited_user)
-
     return jsonify(data=invited_user_schema.dump(invited_user).data), 201
+
+
+@invite.route('', methods=['GET'])
+def get_invited_users_by_service(service_id):
+    invited_users = get_invited_users_for_service(service_id)
+    return jsonify(data=invited_users_schema.dump(invited_users).data), 200
+
+
+@invite.route('/<invited_user_id>', methods=['GET'])
+def get_invited_user_by_service_and_id(service_id, invited_user_id):
+    invited_user = get_invited_user(service_id, invited_user_id)
+    return jsonify(data=invited_user_schema.dump(invited_user).data), 200