Add redux actions and reducer for scheduler entries

ui/src/actions/schedulerEntriesActions.ts

@@ -0,0 +1,46 @@
+import { Dispatch } from "@reduxjs/toolkit";
+import { listSchedulerEntries, ListSchedulerEntriesResponse } from "../api";
+
+// List of scheduler-entry related action types.
+export const LIST_SCHEDULER_ENTRIES_BEGIN = "LIST_SCHEDULER_ENTRIES_BEGIN";
+export const LIST_SCHEDULER_ENTRIES_SUCCESS = "LIST_SCHEDULER_ENTRIES_SUCCESS";
+export const LIST_SCHEDULER_ENTRIES_ERROR = "LIST_SCHEDULER_ENTRIES_ERROR";
+
+interface ListSchedulerEntriesBeginAction {
+  type: typeof LIST_SCHEDULER_ENTRIES_BEGIN;
+}
+
+interface ListSchedulerEntriesSuccessAction {
+  type: typeof LIST_SCHEDULER_ENTRIES_SUCCESS;
+  payload: ListSchedulerEntriesResponse;
+}
+
+interface ListSchedulerEntriesErrorAction {
+  type: typeof LIST_SCHEDULER_ENTRIES_ERROR;
+  error: string; // error description
+}
+
+// Union of all scheduler-entry related actions.
+export type SchedulerEntriesActionTypes =
+  | ListSchedulerEntriesBeginAction
+  | ListSchedulerEntriesSuccessAction
+  | ListSchedulerEntriesErrorAction;
+
+export function listSchedulerEntriesAsync() {
+  return async (dispatch: Dispatch<SchedulerEntriesActionTypes>) => {
+    dispatch({ type: LIST_SCHEDULER_ENTRIES_BEGIN });
+    try {
+      const response = await listSchedulerEntries();
+      dispatch({
+        type: LIST_SCHEDULER_ENTRIES_SUCCESS,
+        payload: response,
+      });
+    } catch (error) {
+      console.error(error);
+      dispatch({
+        type: LIST_SCHEDULER_ENTRIES_ERROR,
+        error: "Could not retrieve scheduler entries",
+      });
+    }
+  };
+}