change license, restructure

src/backend/app.ts

@@ -0,0 +1,58 @@
+import express, { NextFunction, Request, Response } from 'express';
+import morgan from 'morgan';
+import nodesched from 'node-schedule';
+
+import appConfig from './config';
+import router from './router';
+import wxService from './services/wx.service';
+
+const app = express();
+
+const config = appConfig();
+
+app.set('trust proxy', config.trustProxy);
+app.use(morgan('combined'));
+
+if (config.apiBasePath) {
+  app.use(config.apiBasePath, router.router);
+}
+
+if (!config.disableDefaultApiEndpoint) {
+  app.use('/api', router.router);
+
+  const frontendRoot = '/opt/dist/frontend';
+  app.use(express.static(frontendRoot));
+  app.use((req, res) => res.sendFile(`${frontendRoot}/index.html`));
+}
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+app.use((err, req: Request, res: Response, next: NextFunction) => {
+  console.log('err', err);
+  
+  // 500
+  res.status(500).json({ msg: 'an error occurred' });
+});
+
+nodesched.scheduleJob('regenerate data', '*/30 * * * *', wxService.wrappedGenerateData);
+wxService.wrappedGenerateData();
+
+const server = app.listen(config.port, () => {
+  console.log(
+    `application is listening on port ${config.port}`,
+  );
+});
+
+function processShutdown(signal: string) {
+  console.log(`${signal} signal received. Shutting down.`);
+  server.close((err) => {
+    if (err) {
+      console.error(`Failed to shut down server gracefully: ${err}`);
+      process.exit(1);
+    }
+
+    console.log('Server closed');
+    process.exit(0);
+  });
+}
+
+['SIGTERM', 'SIGINT'].map(signal => process.on(signal, processShutdown.bind(undefined, signal)));

src/backend/config.ts

@@ -0,0 +1,28 @@
+export interface Config {
+  port: number;
+  apiBasePath: string;
+  disableDefaultApiEndpoint: boolean;
+  trustProxy: string | boolean;
+}
+
+export default function appConfig(): Config {
+  const {
+    PORT,
+    BASE_PATH,
+    TRUST_PROXY,
+    DISABLE_DEFAULT_API_ENDPOINT,
+  } = process.env;
+
+  let trustProxy: string | boolean = false;
+
+  if (TRUST_PROXY == '*') {
+    trustProxy = true;
+  }
+
+  return {
+    port: Number(PORT ?? 3000),
+    apiBasePath: BASE_PATH ?? '',
+    trustProxy,
+    disableDefaultApiEndpoint: DISABLE_DEFAULT_API_ENDPOINT == 'true',
+  };
+}

src/backend/controllers/region.controller.ts

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+import express from 'express';
+
+import regionsService from '../services/regions.service';
+
+export async function getRegions(req: express.Request, res: express.Response, next: express.NextFunction) {
+  try {
+    res.json(regionsService.getRegions());
+  } catch (e) {
+    next(e);
+  }
+}
+
+export async function getRegion(req: express.Request, res: express.Response, next: express.NextFunction) {
+  try {
+    const { region } = req.params;
+
+    const regionData = regionsService.getRegion(region);
+
+    if (!regionData) {
+      return next();
+    }
+
+    res.json(regionData);
+  } catch (e) {
+    next(e);
+  }
+}
+
+export default {
+  getRegions,
+  getRegion,
+};

src/backend/controllers/wx.controller.ts

@@ -0,0 +1,16 @@
+import express from 'express';
+
+import wxService from '../services/wx.service';
+
+export async function getRegionWx(req: express.Request, res: express.Response, next: express.NextFunction) {
+  try {
+    const { region } = req.params;
+    res.json(wxService.getWx(region));
+  } catch (e) {
+    next(e);
+  }
+}
+
+export default {
+  getRegionWx,
+};

src/backend/router.ts

@@ -0,0 +1,17 @@
+import { Request, Response, Router } from 'express';
+
+import regionController from './controllers/region.controller';
+import wxController from './controllers/wx.controller';
+
+const router = Router();
+
+router.get('/regions', regionController.getRegions);
+router.get('/regions/:region', regionController.getRegion);
+router.get('/regions/:region/wx', wxController.getRegionWx);
+
+router.use((req: Request, res: Response) => {
+  // 404
+  res.status(404).json({ msg: 'the requested resource could not be found' });
+});
+
+export default { router };

src/backend/services/config.service.ts

@@ -0,0 +1,14 @@
+import fs from 'fs';
+
+import { WxConfig } from '@/shared/types/config.types';
+
+
+export function getConfig(): WxConfig {
+  const data = JSON.parse(fs.readFileSync('/opt/wx-config.json').toString());
+
+  return data;
+}
+
+export default {
+  getConfig,
+};

src/backend/services/regions.service.ts

@@ -0,0 +1,20 @@
+import configService from './config.service';
+
+import { WxConfig, WxRegion } from '@/shared/types/config.types';
+
+export function getRegions(): WxConfig['regions'] {
+  return configService.getConfig().regions;
+}
+
+export function getRegion(identifier: string): WxRegion | undefined {
+  const regions = getRegions();
+
+  const region = regions.find(rg => rg.identifier == identifier);
+
+  return region;
+}
+
+export default {
+  getRegions,
+  getRegion,
+};

src/backend/services/wx.service.ts

@@ -0,0 +1,114 @@
+import axios from 'axios';
+
+import regionsService from './regions.service';
+
+import { WxFix } from '@/shared/types/config.types';
+import { WxFixData, WxData } from '@/shared/types/wx.types';
+
+const cachedData: { [key: string]: WxData } = {};
+
+const qnhLevelMapping = {
+  200: 390,
+  250: 340,
+  300: 300,
+  400: 240,
+  500: 180,
+  600: 140,
+  700: 100,
+  800: 64,
+  850: 50,
+  900: 30,
+  925: 25,
+};
+
+const necessaryDatapoints = [
+  'winddirection',
+  'windspeed',
+  'temperature',
+];
+
+const requestedData: string[] = [
+  'temperature_2m',
+  'windspeed_10m',
+  'winddirection_10m',
+];
+
+for (const qnh of Object.keys(qnhLevelMapping)) {
+  for (const necessaryDatapoint of necessaryDatapoints) {
+    requestedData.push(`${necessaryDatapoint}_${qnh}hPa`);
+  }
+}
+
+export async function getDataAtFix(fix: WxFix, index: number): Promise<WxFixData> {
+  const response = await axios.get(`https://api.open-meteo.com/v1/forecast?latitude=${fix.lat}&longitude=${fix.lon}&windspeed_unit=kn&forecast_days=1&hourly=${requestedData.join(',')}`);
+  const hourlyData = response.data.hourly;
+
+  const data: WxFixData = {
+    coords: {
+      lat: String(fix.lat),
+      long: String(fix.lon),
+    },
+    levels: {},
+  };
+
+  data.levels['0'] = {
+    'T(K)': String(Number(hourlyData?.temperature_2m?.[index]) + 273.15),
+    'windspeed': String(hourlyData?.windspeed_10m?.[index]),
+    'windhdg': String(hourlyData?.winddirection_10m?.[index]),
+  };
+
+  for (const [qnh, fl] of Object.entries(qnhLevelMapping)) {
+    const temp = Number(hourlyData?.[`temperature_${qnh}hPa`]?.[index]) + 273.15;
+    const dir = hourlyData?.[`winddirection_${qnh}hPa`]?.[index];
+    const speed = hourlyData?.[`windspeed_${qnh}hPa`]?.[index]; 
+
+    data.levels[String(fl)] = {
+      'T(K)': String(temp),
+      'windspeed': String(speed),
+      'windhdg': String(dir),
+    };
+  }
+
+  return data;
+}
+
+export async function generateData() {
+  const regions = regionsService.getRegions();
+
+  for (const region of regions) {
+    const now = new Date();
+
+    const regionData: WxData = {
+      info: {
+        date: now.toISOString(),
+        datestring: `${now.getUTCDate()}${now.getUTCHours()}`,
+        legal: 'Weather data by Open-Meteo.com (https://open-meteo.com)',
+      },
+      data: {},
+    };
+
+    for (const fix of region.fixes) {
+      regionData.data[fix.name] = await getDataAtFix(fix, now.getUTCHours());
+    }
+
+    cachedData[region.identifier] = regionData;
+  }
+
+  return cachedData;
+}
+
+export function wrappedGenerateData() {
+  generateData().catch((...params) => console.error(...params));
+}
+
+export function getWx(region: string): WxData | null {
+  const data = cachedData[region];
+
+  return data;
+}
+
+export default {
+  getWx,
+  generateData,
+  wrappedGenerateData,
+};

src/frontend/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>IASsure-WX</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>

src/frontend/public/vite.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>

src/frontend/src/App.tsx

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+import 'leaflet/dist/leaflet.css';
+import 'bootstrap/dist/css/bootstrap.css';
+
+import { DivIcon } from 'leaflet';
+import { useEffect, useState } from 'react';
+import { Button, Modal, Table } from 'react-bootstrap';
+import { MapContainer, TileLayer, LayersControl, LayerGroup, Popup, Marker } from 'react-leaflet';
+
+import wxService from './services/wx.service';
+
+import { WxRegion } from '@/shared/types/config.types';
+import { WxData } from '@/shared/types/wx.types';
+
+
+function App() {
+  const [showModal, setShowModal] = useState(false);
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  const [loading, setLoading] = useState(false);
+  
+  const [regions, setRegions] = useState<WxRegion[]>([]);
+  const [selectedRegion, setSelectedRegion] = useState<string>('');
+  const [wxData, setWxData] = useState<WxData | null>(null);
+
+  function getSetShowModal(val: boolean) {
+    return () => setShowModal(val);
+  }
+
+  useEffect(() => {
+    if (selectedRegion) {
+      return;
+    }
+    
+    setLoading(true);
+
+    wxService.getRegions()
+      .then(regionsResponse => {
+        setRegions(regionsResponse);
+        setShowModal(true);
+        setLoading(false);
+      });
+  }, []);
+
+  useEffect(() => {
+    setLoading(true);
+
+    wxService.getWxData(selectedRegion).then(wxResponse => {
+      setWxData(wxResponse);
+      setShowModal(false);
+      setLoading(false);
+      console.log(wxResponse);
+    });
+  }, [selectedRegion]);
+
+  return (
+    <>
+      <Modal
+        show={showModal}
+        backdrop="static"
+        keyboard={false}
+      >
+        <Modal.Header>
+          <Modal.Title>Regions</Modal.Title>
+        </Modal.Header>
+        <Modal.Body>
+          <Table striped>
+            <thead>
+              <tr>
+                <th>#</th>
+                <th>Region</th>
+                <th>Fixes</th>
+                <th></th>
+              </tr>
+            </thead>
+            <tbody>
+              {regions.length ? regions.map((region, idx) => <>
+                <tr key={idx}>
+                  <td>{idx + 1}</td>
+                  <td>{region.identifier}</td>
+                  <td>{region.fixes.length} Fixes</td>
+                  <td>
+                    <Button
+                      variant={selectedRegion == region.identifier ? 'success' : 'primary'}
+                      type='button'
+                      onClick={() => setSelectedRegion(region.identifier)}
+                    >
+                      Select
+                    </Button>
+                  </td>
+                </tr>
+              </>) : (<>
+                <tr>
+                  <td className='p-2 text-center' colSpan={4}>- no regions defined -</td>
+                </tr>
+              </>)}
+            </tbody>
+          </Table>
+        </Modal.Body>
+      </Modal>
+
+      <div className='position-absolute bottom-0 p-2' style={{ zIndex: 999 }}>
+        <Button variant='outline-secondary' type='button' onClick={getSetShowModal(true)}>↗ {selectedRegion && `(Selected: ${selectedRegion})`}</Button>
+      </div>
+
+      <MapContainer style={{ height: '100vh', width: '100vw' }} center={[50.033306, 8.570456]} zoom={7} scrollWheelZoom={true}>
+        <TileLayer
+          url='https://{s}.basemaps.cartocdn.com/dark_nolabels/{z}/{x}/{y}.png'
+          attribution={[
+            '<a href="http://www.openstreetmap.org/copyright" target="_blank">OpenStreetMap</a>',
+            '<a href="https://carto.com/attributions" target="_blank">CARTO</a>',
+            'Weather data by Open-Meteo.com (<a href="https://open-meteo.com" target="_blank">open-meteo.com</a>)',
+            '<a href="https://github.com/dotFionn/iassure-wx" target="_blank">IASsure-WX</a>: <a href="https://fsperath.de" target="_blank">Fionn Sperath</a> and <a href="https://github.com/dotFionn/iassure-wx/graphs/contributors" target="_blank">contributors</a>',
+          ].map(str => `&copy; ${str}`).join(' | ')}
+          subdomains={'abc'}
+          maxZoom={20}
+          minZoom={0}
+        />
+
+        <LayersControl position='topright'>
+          <LayersControl.Overlay checked name='Enable labels'>
+            <TileLayer
+              url='https://{s}.basemaps.cartocdn.com/dark_only_labels/{z}/{x}/{y}.png'
+              subdomains={'abc'}
+              maxZoom={20}
+              minZoom={0}
+            />
+          </LayersControl.Overlay>
+          <LayersControl.Overlay checked name="Points">
+            <LayerGroup>
+              {Object.entries(wxData?.data || {}).map(([fix, data]) => (
+                <>
+                <Marker
+                  position={[Number(data.coords.lat), Number(data.coords.long)]}
+                  key={fix}
+                  title={fix}
+                  icon={new DivIcon({ html: `⨀&nbsp;<span class="fw-bold">${fix}</span>`, className: 'bg-none text-warning' })}
+                >
+                  <Popup>
+                      <Table>
+                        <thead>
+                          <tr><th colSpan={3} className='text-center'>{fix}</th></tr>
+                          <tr><th>Lvl</th><th>Temp/K</th><th>Wind</th></tr>
+                        </thead>
+                        <tbody>
+                          {Object.entries(data.levels).map(([lvl, lvlData], lvlIdx) => (
+                            <tr key={lvlIdx}>
+                              <td>{lvl}</td>
+                              <td>{Math.round(Number(lvlData['T(K)']))}</td>
+                              <td>{lvlData.windhdg}° / {lvlData.windspeed}kts</td>
+                            </tr>
+                          ))}
+                        </tbody>
+                      </Table>
+                    </Popup>
+                </Marker>
+                </>
+              ))}
+            </LayerGroup>
+          </LayersControl.Overlay>
+        </LayersControl>
+      </MapContainer>
+    </>
+  );
+}
+
+export default App;

src/frontend/src/assets/react.svg

@@ -0,0 +1 @@
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src/frontend/src/index.css

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+body {
+  margin: 0;
+  height: 100vh;
+  width: 100vw;
+  overflow: hidden;
+}

src/frontend/src/main.tsx

@@ -0,0 +1,11 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+
+import App from './App';
+import './index.css';
+
+ReactDOM.createRoot(document.getElementById('root') as HTMLElement).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>,
+);

src/frontend/src/services/wx.service.ts

@@ -0,0 +1,19 @@
+import axios from 'axios';
+
+import { WxRegion } from '@/shared/types/config.types';
+import { WxData } from '@/shared/types/wx.types';
+
+async function getRegions(): Promise<WxRegion[]> {
+  const response = await axios.get<WxRegion[]>('/api/regions');
+  return response.data;
+}
+
+async function getWxData(region: string): Promise<WxData> {
+  const response = await axios.get<WxData>(`/api/regions/${region}/wx`);
+  return response.data;
+}
+
+export default {
+  getRegions,
+  getWxData,
+};

src/frontend/src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />

src/frontend/vite.config.ts

@@ -0,0 +1,32 @@
+import { resolve } from 'path';
+
+import react from '@vitejs/plugin-react';
+import { defineConfig } from 'vite';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()],
+  root: resolve(__dirname),
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'index.html'),
+      formats: ['es'],
+    },
+    minify: true,
+    outDir: resolve(__dirname, '..', '..', 'dist', 'frontend'),
+    emptyOutDir: true,
+  },
+  server: {
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3030',
+        changeOrigin: true,
+        // secure: false,
+        // ws: true,
+      },
+    },
+  },
+  define: {
+    'process.env': `(${JSON.stringify(process.env)})`,
+  },
+});

src/shared/types/config.types.ts

@@ -0,0 +1,14 @@
+export interface WxConfig {
+  regions: WxRegion[];
+}
+
+export interface WxRegion {
+  identifier: string;
+  fixes: WxFix[];
+}
+
+export interface WxFix {
+  name: string;
+  lat: number;
+  lon: number;
+}

src/shared/types/wx.types.ts

@@ -0,0 +1,27 @@
+export interface WxLevelData {
+  'T(K)': string;
+  windspeed: string;
+  windhdg: string;
+}
+
+export interface WxFixData {
+  coords: {
+    lat: string;
+    long: string;
+  };
+
+  levels: {
+    [key: string]: WxLevelData;
+  }
+}
+
+export interface WxData {
+  info: {
+    date: string;
+    datestring: string;
+    legal: string;
+  };
+  data: {
+    [key: string]: WxFixData;
+  }
+}