From f34afd52aa1b89163d90a21feac7bd9e3425639d Mon Sep 17 00:00:00 2001
From: Rafik Draoui <rdraoui@gadventures.com>
Date: Tue, 7 Jan 2020 10:54:25 -0500
Subject: [PATCH] Make `AgencyChain.agencies` a "resource collection" field

We can now get a `Query` when accessing the `agencies` attribute on an
`AgencyChain` instead of a dict with an URI to the agencies list.
---
 gapipy/resources/booking/agency_chain.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gapipy/resources/booking/agency_chain.py b/gapipy/resources/booking/agency_chain.py
index 512afbf..dc391ae 100644
--- a/gapipy/resources/booking/agency_chain.py
+++ b/gapipy/resources/booking/agency_chain.py
@@ -7,12 +7,12 @@
 
 class AgencyChain(Resource):
     _resource_name = 'agency_chains'
+    _is_parent_resource = True
 
     _as_is_fields = [
         'id',
         'href',
         'name',
-        'agencies',
         'agent_notifications',
         'communication_preferences',
         'flags',
@@ -28,3 +28,5 @@ class AgencyChain(Resource):
     _resource_fields = [
         ('booking_company', BookingCompany),
     ]
+
+    _resource_collection_fields = [('agencies', 'Agency')]