Changed endpoint name, GET->POST, request/response signature, and perform batch queries against db

Signed-off-by: Gustaf Räntilä <g.rantila@gmail.com>

plugins/user-settings-common/package.json

@@ -38,7 +38,6 @@
     "test": "backstage-cli package test"
   },
   "dependencies": {
-    "@backstage/errors": "workspace:^",
     "@backstage/types": "workspace:^"
   },
   "devDependencies": {

plugins/user-settings-common/report.api.md

@@ -4,39 +4,14 @@
 
 ```ts
 import type { JsonValue } from '@backstage/types';
-import type { SerializedError } from '@backstage/errors';
-
-// @public (undocumented)
-export function isMultiUserSettingError(
-  setting: MultiUserSetting,
-): setting is MultiUserSettingError;
 
 // @public
-export type MultiUserSetting = MultiUserSettingError | MultiUserSettingSuccess;
-
-// @public
-export type MultiUserSettingError = {
-  bucket: string;
-  key: string;
-  error: SerializedError;
+export type MultiGetResponse = {
+  items: ({
+    value: JsonValue;
+  } | null)[];
 };
 
-// @public
-export type MultiUserSettingSuccess = {
-  bucket: string;
-  key: string;
-  value: JsonValue;
-};
-
-// @public (undocumented)
-export function parseDataLoaderKey(bucketAndKey: string): {
-  bucket: string;
-  key: string;
-};
-
-// @public (undocumented)
-export function stringifyDataLoaderKey(bucket: string, key: string): string;
-
 // @public (undocumented)
 export type UserSettingsSignal = {
   type: 'key-changed' | 'key-deleted';

plugins/user-settings-common/src/index.ts

@@ -15,6 +15,3 @@
  */
 
 export * from './types';
-export { isMultiUserSettingError } from './types';
-
-export { stringifyDataLoaderKey, parseDataLoaderKey } from './keys';

plugins/user-settings-common/src/keys.ts

@@ -1,26 +0,0 @@
-/*
- * Copyright 2025 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/** @public */
-export function stringifyDataLoaderKey(bucket: string, key: string) {
-  return `${encodeURIComponent(bucket)}/${encodeURIComponent(key)}`;
-}
-
-/** @public */
-export function parseDataLoaderKey(bucketAndKey: string) {
-  const [bucket, key] = bucketAndKey.split('/');
-  return { bucket: decodeURIComponent(bucket), key: decodeURIComponent(key) };
-}

plugins/user-settings-common/src/types.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import type { SerializedError } from '@backstage/errors';
 import type { JsonValue } from '@backstage/types';
 
 /** @public */
@@ -24,37 +23,8 @@ export type UserSettingsSignal = {
 };
 
 /**
- * A failed fetch of a user setting in a bucket
+ * Response type from /multiget
  *
  * @public
  */
-export type MultiUserSettingError = {
-  bucket: string;
-  key: string;
-  error: SerializedError;
-};
-
-/**
- * A successful value of a user setting in a bucket
- *
- * @public
- */
-export type MultiUserSettingSuccess = {
-  bucket: string;
-  key: string;
-  value: JsonValue;
-};
-
-/**
- * A single setting in a bucket, or an error, used result from the /multi endpoint
- *
- * @public
- */
-export type MultiUserSetting = MultiUserSettingError | MultiUserSettingSuccess;
-
-/** @public */
-export function isMultiUserSettingError(
-  setting: MultiUserSetting,
-): setting is MultiUserSettingError {
-  return 'error' in setting;
-}
+export type MultiGetResponse = { items: ({ value: JsonValue } | null)[] };