From 459029530b230dcc33053c36c3f01c964d2d63be Mon Sep 17 00:00:00 2001
From: Dharini Jeeva <dharini@hashicorp.com>
Date: Wed, 15 Nov 2023 12:54:54 -0800
Subject: [PATCH] =?UTF-8?q?chore:=20=F0=9F=A4=96=20Add=20support=20for=20p?=
 =?UTF-8?q?agination=20in=20query=20method=20(#1991)?=
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* chore: 🤖 Add support for pagination in query method
---
 addons/api/addon/adapters/application.js    | 26 +++++++++++++++++++--
 addons/api/addon/serializers/application.js |  2 +-
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/addons/api/addon/adapters/application.js b/addons/api/addon/adapters/application.js
index 763cb6d98..18e1c3c67 100644
--- a/addons/api/addon/adapters/application.js
+++ b/addons/api/addon/adapters/application.js
@@ -118,12 +118,34 @@ export default class ApplicationAdapter extends RESTAdapter.extend(
 
   /**
    * Intercepts "empty" responses and adds an empty `items` array.
+   * This query method now supports pagination by checking the responseType and
+   * passing in the refresh token if the responseType indicates more data
    * @override
    * @method query
    * @return {Promise} promise
    */
-  query() {
-    return super.query(...arguments).then(prenormalizeArrayResponse);
+  async query(store, schema, query) {
+    let result;
+    let data = [];
+
+    // Run this loop as long as the response_type is delta,
+    // which indicates that there are more items in the list
+    do {
+      result = await super.query(store, schema, query);
+      //add the result items to a data array
+      if (result && result.items) {
+        data.push(...result.items);
+        //pass in the refresh token for subsequent calls to fetch the remaining list items
+        query.refresh_token = result.refresh_token;
+        //break the loop as soon the response_type becomes complete
+        if (result.response_type === 'complete') {
+          break;
+        }
+      }
+    } while (result && result.response_type === 'delta');
+
+    result.items = data;
+    return prenormalizeArrayResponse(result);
   }
 
   /**
diff --git a/addons/api/addon/serializers/application.js b/addons/api/addon/serializers/application.js
index 52f9c813d..3e631334f 100644
--- a/addons/api/addon/serializers/application.js
+++ b/addons/api/addon/serializers/application.js
@@ -149,7 +149,7 @@ export default class ApplicationSerializer extends RESTSerializer {
     );
     // Copy the data rooted under `items` in the existing payload into the new
     // payload under the expected root key name.
-    transformedPayload[payloadKey] = structuredClone(payload.items);
+    transformedPayload[payloadKey] = structuredClone(payload?.items);
     // Return the result of normalizing the transformed payload.
     return super.normalizeArrayResponse(
       store,