Fix minor UI issues after update

frontend/src/lib/react-utils.ts

@@ -1,9 +1,16 @@
 import { ActionCreatorWithOptionalPayload, AsyncThunk } from '@reduxjs/toolkit';
 import { useEffect } from 'react';
 import { useDispatch, useSelector } from 'react-redux';
-import { KilovoltMessage } from '@strimertul/kilovolt-client';
+import {
+  KilovoltMessage,
+  SubscriptionHandler,
+} from '@strimertul/kilovolt-client';
 import { RootState } from '../store';
-import { APIState } from '../store/api/reducer';
+import apiReducer, {
+  APIState,
+  getUserPoints,
+  LoyaltyStorage,
+} from '../store/api/reducer';
 
 export function useModule<T>({
   key,
@@ -37,6 +44,27 @@ export function useModule<T>({
   return [data, setter];
 }
 
+export function useUserPoints(): LoyaltyStorage {
+  const prefix = 'loyalty/points/';
+  const client = useSelector((state: RootState) => state.api.client);
+  const data = useSelector((state: RootState) => state.api.loyalty.users);
+  const dispatch = useDispatch();
+  useEffect(() => {
+    dispatch(getUserPoints());
+    const subscriber: SubscriptionHandler = (newValue, key) => {
+      const user = key.substring(prefix.length);
+      const entry = JSON.parse(newValue);
+      dispatch(apiReducer.actions.loyaltyUserPointsChanged({ user, entry }));
+    };
+    client.subscribePrefix(prefix, subscriber);
+    return () => {
+      client.subscribePrefix(prefix, subscriber);
+    };
+  }, []);
+  return data;
+}
+
 export default {
   useModule,
+  useUserPoints,
 };

frontend/src/store/api/reducer.ts

@@ -208,7 +208,6 @@ export const getUserPoints = createAsyncThunk(
   async (_: void, { getState }) => {
     const { api } = getState() as { api: APIState };
     const keys = await api.client.getKeysByPrefix(loyaltyPointsPrefix);
-    console.log(keys);
     const userpoints: LoyaltyStorage = {};
     Object.entries(keys).forEach(([k, v]) => {
       userpoints[k.substr(loyaltyPointsPrefix.length)] = JSON.parse(v);
@@ -217,6 +216,25 @@ export const getUserPoints = createAsyncThunk(
   },
 );
 
+export const setUserPoints = createAsyncThunk(
+  'api/setUserPoints',
+  async (
+    {
+      user,
+      points,
+      relative,
+    }: { user: string; points: number; relative: boolean },
+    { getState },
+  ) => {
+    const { api } = getState() as { api: APIState };
+    const entry: LoyaltyPointsEntry = { points };
+    if (relative) {
+      entry.points += api.loyalty.users[user].points ?? 0;
+    }
+    return api.client.putJSON(loyaltyPointsPrefix + user, entry);
+  },
+);
+
 export const modules = {
   moduleConfig: makeModule<ModuleConfig>(
     moduleConfigKey,
@@ -333,6 +351,14 @@ const apiReducer = createSlice({
     loyaltyGoalsChanged(state, { payload }: PayloadAction<LoyaltyGoal[]>) {
       state.loyalty.goals = payload;
     },
+    loyaltyUserPointsChanged(
+      state,
+      {
+        payload: { user, entry },
+      }: PayloadAction<{ user: string; entry: LoyaltyPointsEntry }>,
+    ) {
+      state.loyalty.users[user] = entry;
+    },
   },
   extraReducers: (builder) => {
     builder.addCase(createWSClient.fulfilled, (state, { payload }) => {

frontend/src/ui/pages/loyalty/Goals.tsx

@@ -141,7 +141,7 @@ function GoalModal({
     setID(newID.toLowerCase().replace(/[^a-zA-Z0-9]/gi, '-'));
 
   const slug = id || name?.toLowerCase().replace(/[^a-zA-Z0-9]/gi, '-') || '';
-  const idExists = goals?.some((reward) => reward.id === slug) ?? false;
+  const idExists = goals?.some((goal) => goal.id === slug) ?? false;
   const idInvalid = slug !== initialData?.id && idExists;
 
   const validForm = idInvalid === false && name !== '' && total >= 0;
@@ -175,7 +175,7 @@ function GoalModal({
     >
       <div className="field is-horizontal">
         <div className="field-label is-normal">
-          <label className="label">Reward ID</label>
+          <label className="label">Goal ID</label>
         </div>
         <div className="field-body">
           <div className="field">
@@ -183,20 +183,20 @@ function GoalModal({
               <input
                 className={idInvalid ? 'input is-danger' : 'input'}
                 type="text"
-                placeholder="reward_id_here"
+                placeholder="goal_id_here"
                 value={slug}
                 onChange={(ev) => setIDex(ev.target.value)}
               />
             </p>
             {idInvalid ? (
               <p className="help is-danger">
-                There is already a reward with this ID! Please choose a
-                different one.
+                There is already a goal with this ID! Please choose a different
+                one.
               </p>
             ) : (
               <p className="help">
                 Choose a simple name that can be referenced by other software.
-                It will be auto-generated from the reward name if you leave it
+                It will be auto-generated from the goal name if you leave it
                 blank.
               </p>
             )}

frontend/src/ui/pages/loyalty/UserList.tsx

@@ -1,9 +1,7 @@
-import React, { useEffect, useState } from 'react';
-import { useDispatch, useSelector } from 'react-redux';
+import React, { useState } from 'react';
 import { RouteComponentProps } from '@reach/router';
 import PageList from '../../components/PageList';
-import { RootState } from '../../../store';
-import { getUserPoints } from '../../../store/api/reducer';
+import { useUserPoints } from '../../../lib/react-utils';
 
 interface SortingOrder {
   key: 'user' | 'points';
@@ -13,17 +11,12 @@ export default function LoyaltyUserListPage(
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   props: RouteComponentProps<unknown>,
 ): React.ReactElement {
-  const users = useSelector((state: RootState) => state.api.loyalty.users);
-  const dispatch = useDispatch();
+  const users = useUserPoints();
   const [sorting, setSorting] = useState<SortingOrder>({
     key: 'points',
     order: 'desc',
   });
 
-  useEffect(() => {
-    dispatch(getUserPoints());
-  }, []);
-
   const [entriesPerPage, setEntriesPerPage] = useState(15);
   const [page, setPage] = useState(0);
   const [usernameFilter, setUsernameFilter] = useState('');