From 49d44a920f90b0d301535e2d3ce7fc9ebdf5a8c1 Mon Sep 17 00:00:00 2001
From: Chelsea Shaw <82459713+hashishaw@users.noreply.github.com>
Date: Wed, 16 Mar 2022 09:24:07 -0500
Subject: [PATCH] UI: Parse OpenAPI response correctly if schema includes $ref
 (#14508)

* Parse OpenAPI response correctly if schema includes

* Add changelog

* small cleanup
---
 changelog/14508.txt          |  3 +++
 ui/app/services/path-help.js | 16 ++++++++++++----
 2 files changed, 15 insertions(+), 4 deletions(-)
 create mode 100644 changelog/14508.txt

diff --git a/changelog/14508.txt b/changelog/14508.txt
new file mode 100644
index 0000000000..dde6b55ac8
--- /dev/null
+++ b/changelog/14508.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+ui: Parse schema refs from OpenAPI
+```
\ No newline at end of file
diff --git a/ui/app/services/path-help.js b/ui/app/services/path-help.js
index b81334e098..cd2f346731 100644
--- a/ui/app/services/path-help.js
+++ b/ui/app/services/path-help.js
@@ -204,10 +204,18 @@ export default Service.extend({
         };
       }
 
-      // TODO: handle post endpoints without requestBody
-      const props = pathInfo.post
-        ? pathInfo.post.requestBody.content['application/json'].schema.properties
-        : {};
+      let props = {};
+      const schema = pathInfo?.post?.requestBody?.content['application/json'].schema;
+      if (schema.$ref) {
+        // $ref will be shaped like `#/components/schemas/MyResponseType
+        // which maps to the location of the item within the openApi response
+        let loc = schema.$ref.replace('#/', '').split('/');
+        props = loc.reduce((prev, curr) => {
+          return prev[curr] || {};
+        }, help.openapi).properties;
+      } else if (schema.properties) {
+        props = schema.properties;
+      }
       // put url params (e.g. {name}, {role})
       // at the front of the props list
       const newProps = assign({}, paramProp, props);