React: GlobalState updates

Remove DataCtx dependacy on AppCtx

webapp/src/components/DataPolling/index.jsx

@@ -3,13 +3,13 @@ import { AppData } from "../../context/data"
 import { AppContext } from "../../context/app"
 
 export default function DataPolling() {
-    const [appData] = React.useContext(AppData)
-    const [appCtx, dispatchAppData] = React.useContext(AppContext)
+    const [appData, dispatchData] = React.useContext(AppData)
+    //const [appCtx, dispatchAppData] = React.useContext(AppContext)
 
     return <div className={DataPolling.name}>
         polling
-        <button onClick={() => dispatchAppData({type: "togglePolling"})}>
-            { appCtx.disablePolling === true ? "off" : "on" }
+        <button onClick={() => dispatchData({type: "togglePolling"})}>
+            { appData.disablePolling === true ? "off" : "on" }
         </button>
         { appData.fetching }
         </div>

webapp/src/context/app/reducer.js

@@ -1,16 +1,12 @@
 export const reducer = (state, action) => {
   switch (action.type) {
 
-    case "togglePolling":
-      return { ...state,
-        disablePolling: !state.disablePolling // on/off
-      }
-
     default:
+      console.warn("Unknown action.type", action)
       return state
   }
 }
 
 export const initialState = {
-  disablePolling: false,
+  myState: false,
 }

webapp/src/context/data/Poll.js

@@ -1,5 +1,14 @@
 import { useState, useCallback, useEffect,  } from "react"
 
+/*
+  TODO: Poll(uri, flavour)
+  - uri: string
+  - execution_flvour:
+    - once (i.e. now)
+    - interval (sec)
+    - stop
+*/
+
 export default function Poll(url, interval_sec, disabled) {
     const [cache, setCache] = useState(null)
     const [fetching, setFetching] = useState(false)

webapp/src/context/data/index.jsx

@@ -1,6 +1,5 @@
 import React from "react"
 import { reducer, initialState } from "./reducer"
-import { AppContext } from "../app"
 
 import Poll from "./Poll"
 
@@ -12,10 +11,9 @@ export const AppData = React.createContext({
 export const AppDataProvider = ({ children }) => {
 
   const [data, dispatchData] = React.useReducer(reducer, initialState)
-  const [appContext] = React.useContext(AppContext)
 
-  const games = Poll('api/gamestate', 30, appContext.disablePolling)
-  const leaderboard = Poll('api/leaderboard', 60, appContext.disablePolling)
+  const games = Poll('api/gamestate', 30, data.disablePolling)
+  const leaderboard = Poll('api/leaderboard', 60, data.disablePolling)
   
   data.games       = games.data
   data.leaderboard = leaderboard.data

webapp/src/context/data/reducer.js

@@ -1,6 +1,11 @@
 export const reducer = (state, action) => {
   switch (action.type) {
 
+    case "togglePolling":
+      return { ...state,
+        disablePolling: !state.disablePolling // on/off
+      }
+
     default:
       console.warn("Unknown action.type", action)
       return state
@@ -10,5 +15,7 @@ export const reducer = (state, action) => {
 export const initialState = { 
   games: null,
   leaderboard: null,
+
+  disablePolling: false,
   fetching: []
 }