Début de prototype de front pour afficher les résultats

nupes-elections-front/src/App.css

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+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

nupes-elections-front/src/App.js

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+import {createBrowserRouter, RouterProvider} from "react-router-dom"
+
+import './App.css'
+import Elections2024 from './Elections2024'
+
+function App() {
+  const router = createBrowserRouter([
+    {
+      path: "/",
+      element: <Elections2024 typeResultats="france" />,
+    },
+    {
+      path: "/elections/europeennes/2024/france/",
+      element: <Elections2024 typeResultats="france" />,
+    },
+    {
+      path: "/elections/europeennes/2024/region/:zoneId/",
+      element: <Elections2024 typeResultats="regions" />,
+    },
+    {
+      path: "/elections/europeennes/2024/departement/:zoneId/",
+      element: <Elections2024 typeResultats="departements" />,
+    },
+    {
+      path: "/elections/europeennes/2024/commune/:zoneId/",
+      element: <Elections2024 typeResultats="communes" />,
+    },
+  ])
+
+  return <>
+    <RouterProvider router={router} />
+  </>
+}
+
+export default App;

nupes-elections-front/src/App.test.js

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+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});

nupes-elections-front/src/Elections2024.js

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+import {useParams} from "react-router-dom"
+import FormGroup from '@mui/material/FormGroup'
+import FormControlLabel from '@mui/material/FormControlLabel'
+import Table from '@mui/material/Table'
+import TableBody from '@mui/material/TableBody'
+import TableCell from '@mui/material/TableCell'
+import TableContainer from '@mui/material/TableContainer'
+import TableHead from '@mui/material/TableHead'
+import TableRow from '@mui/material/TableRow'
+import Paper from '@mui/material/Paper'
+import Switch from '@mui/material/Switch'
+import * as Highcharts from 'highcharts'
+import highchartsItem from 'highcharts/modules/item-series'
+import HighchartsReact from 'highcharts-react-official'
+import {useEffect, useState} from "react"
+
+highchartsItem(Highcharts)
+
+function ResultatsTable({listes, resultats}) {
+  const voix_listes = resultats.voix_listes
+
+  return <>
+    <TableContainer component={Paper}>
+      <Table sx={{ minWidth: 650 }} aria-label="simple table">
+        <TableHead>
+          <TableRow>
+            <TableCell>Numéro</TableCell>
+            <TableCell>Liste</TableCell>
+            <TableCell>Voix</TableCell>
+            <TableCell>% Inscrit⋅es</TableCell>
+            <TableCell>% Exprimé⋅es</TableCell>
+          </TableRow>
+        </TableHead>
+        <TableBody>
+          {listes.map((liste) => (
+            <TableRow key={liste.numero}>
+              <TableCell>{liste.numero}</TableCell>
+              <TableCell>{liste.nom}</TableCell>
+              <TableCell>{voix_listes[liste.numero] || 0}</TableCell>
+              <TableCell>{(100 * (voix_listes[liste.numero] || 0) / resultats.exprimes).toFixed(2)} %</TableCell>
+              <TableCell>{(100 * (voix_listes[liste.numero] || 0) / resultats.inscrits).toFixed(2)} %</TableCell>
+            </TableRow>
+          ))}
+        </TableBody>
+      </Table>
+    </TableContainer>
+  </>
+}
+
+
+function ParticipationTable({resultats}) {
+  return <>
+    <TableContainer component={Paper}>
+      <Table sx={{ minWidth: 650 }} aria-label="simple table">
+        <TableHead>
+          <TableRow>
+            <TableCell></TableCell>
+            <TableCell>Nombre</TableCell>
+            <TableCell>% Inscrit⋅es</TableCell>
+            <TableCell>% Votant⋅es</TableCell>
+          </TableRow>
+        </TableHead>
+        <TableBody>
+          <TableRow key={"Inscrit⋅es"}>
+            <TableCell>Inscrit⋅es</TableCell>
+            <TableCell>{resultats.inscrits}</TableCell>
+            <TableCell></TableCell>
+            <TableCell></TableCell>
+          </TableRow>
+          <TableRow key={"Abstentions"}>
+            <TableCell>Abstention</TableCell>
+            <TableCell>{resultats.abstentions}</TableCell>
+            <TableCell>{(100 * resultats.abstentions / resultats.inscrits).toFixed(2)} %</TableCell>
+            <TableCell></TableCell>
+          </TableRow>
+          <TableRow key={"Votant⋅es"}>
+            <TableCell>Votant⋅es</TableCell>
+            <TableCell>{resultats.votants}</TableCell>
+            <TableCell>{(100 * resultats.votants / resultats.inscrits).toFixed(2)} %</TableCell>
+            <TableCell></TableCell>
+          </TableRow>
+          <TableRow key={"Blancs"}>
+            <TableCell>Blancs</TableCell>
+            <TableCell>{resultats.blancs}</TableCell>
+            <TableCell>{(100 * resultats.blancs / resultats.inscrits).toFixed(2)} %</TableCell>
+            <TableCell>{(100 * resultats.blancs / resultats.votants).toFixed(2)} %</TableCell>
+          </TableRow>
+          <TableRow key={"Nuls"}>
+            <TableCell>Nuls</TableCell>
+            <TableCell>{resultats.nuls}</TableCell>
+            <TableCell>{(100 * resultats.nuls / resultats.inscrits).toFixed(2)} %</TableCell>
+            <TableCell>{(100 * resultats.nuls / resultats.votants).toFixed(2)} %</TableCell>
+          </TableRow>
+          <TableRow key={"Exprimés"}>
+            <TableCell>Exprimés</TableCell>
+            <TableCell>{resultats.exprimes}</TableCell>
+            <TableCell>{(100 * resultats.exprimes / resultats.inscrits).toFixed(2)} %</TableCell>
+            <TableCell>{(100 * resultats.exprimes / resultats.votants).toFixed(2)} %</TableCell>
+          </TableRow>
+        </TableBody>
+      </Table>
+    </TableContainer>
+  </>
+}
+
+export default function Election2024({typeResultats = "france"}) {
+  const {zoneId} = useParams()
+
+  const [grouperParBloc, setGrouperParBloc] = useState(false)
+  const [blocs, setBlocs] = useState([])
+  const [nuances, setNuances] = useState([])
+  const [listes, setListes] = useState([])
+  const [resultats, setResultats] = useState([])
+  const [siegesParListe, setSiegesParListe] = useState({})
+  const [voixParBloc, setVoixParBloc] = useState([])
+  const [voixParNuance, setVoixParNuance] = useState([])
+  const [siegesParBloc, setSiegesParBloc] = useState([])
+  const [siegesParNuance, setSiegesParNuance] = useState([])
+  const [categoriesVoix, setCategoriesVoix] = useState([])
+  const [dataVoix, setDataVoix] = useState([])
+  const [dataSieges, setDataSieges] = useState([])
+
+  useEffect(() => {
+    fetch("/nupes/data/resultats/europeennes2024/blocs.json").then(response => response.json())
+      .then(data => setBlocs(data))
+    fetch("/nupes/data/resultats/europeennes2024/nuances.json").then(response => response.json())
+      .then(data => setNuances(data))
+    fetch("/nupes/data/resultats/europeennes2024/listes.json").then(response => response.json())
+      .then(data => setListes(data))
+
+    if (typeResultats === "france") {
+      fetch("/nupes/data/resultats/europeennes2024/france.json").then(response => response.json())
+        .then(data => setResultats(data))
+    }
+    else {
+      fetch(`/nupes/data/resultats/europeennes2024/${typeResultats}/${zoneId}.json`).then(response => response.json())
+        .then(data => setResultats(data))
+    }
+  }, [])
+
+  useEffect(() => {
+    const parBloc = {}
+    const parNuance = {}
+    for (let bloc of blocs) {
+      parBloc[bloc.nom] = 0
+    }
+    for (let nuance of nuances) {
+      parNuance[nuance.code] = 0
+    }
+
+    for (let liste of listes) {
+      parBloc[liste.bloc] += resultats.voix_listes[liste.numero] || 0
+      parNuance[liste.nuance] += resultats.voix_listes[liste.numero] || 0
+    }
+
+    setVoixParBloc(parBloc)
+    setVoixParNuance(parNuance)
+  }, [resultats])
+
+  useEffect(() => {
+    const categories = []
+    const data = []
+    if (grouperParBloc) {
+      for (let bloc of blocs) {
+        categories.push(bloc.nom)
+        data.push([bloc.nom, voixParBloc[bloc.nom], bloc.couleur, bloc.nom])
+      }
+    }
+    else {
+      for (let nuance of nuances) {
+        categories.push(nuance.nom)
+        data.push([nuance.nom, voixParNuance[nuance.code], nuance.couleur, nuance.nom])
+      }
+    }
+    setCategoriesVoix(categories)
+    setDataVoix(data)
+  }, [voixParBloc, voixParNuance, grouperParBloc])
+
+  useEffect(() => {
+    const MAX_SIEGES = 81
+    const sieges = {}
+    const listesElues = []
+    let siegesAffectes = 0
+    let totalVoix = resultats.exprimes
+    for (let liste of listes) {
+      const voix = resultats.voix_listes[liste.numero] || 0
+      if (voix / resultats.exprimes < 0.05) {
+        // Barre des 5 % non franchie
+        totalVoix -= voix
+        sieges[liste.numero] = 0
+      }
+      else {
+        listesElues.push(liste)
+      }
+    }
+
+    if (listesElues.length === 0)
+      return
+
+    for (let liste of listesElues) {
+      const voix = resultats.voix_listes[liste.numero] || 0
+      sieges[liste.numero] = Math.floor(MAX_SIEGES * voix / totalVoix)
+      siegesAffectes += sieges[liste.numero]
+    }
+
+    while (siegesAffectes < MAX_SIEGES) {
+      // Méthode de la plus forte moyenne pour affecter les sièges restants
+      let maxMoyenne = 0
+      let listeElue = null
+      for (let liste of listesElues) {
+        if (sieges[liste.numero] < MAX_SIEGES) {
+          const voix = resultats.voix_listes[liste.numero] || 0
+          const moyenne = voix / (sieges[liste.numero] + 1)
+          if (moyenne > maxMoyenne) {
+            maxMoyenne = moyenne
+            listeElue = liste
+          }
+        }
+      }
+      sieges[listeElue.numero]++
+      siegesAffectes++
+    }
+
+    setSiegesParListe(sieges)
+  }, [resultats])
+
+  useEffect(() => {
+    const parBloc = {}
+    const parNuance = {}
+    for (let bloc of blocs) {
+      parBloc[bloc.nom] = 0
+    }
+    for (let nuance of nuances) {
+      parNuance[nuance.code] = 0
+    }
+
+    for (let liste of listes) {
+      parBloc[liste.bloc] += siegesParListe[liste.numero] || 0
+      parNuance[liste.nuance] += siegesParListe[liste.numero] || 0
+    }
+
+    setSiegesParBloc(parBloc)
+    setSiegesParNuance(parNuance)
+  }, [siegesParListe])
+
+  useEffect(() => {
+    const data = []
+    if (grouperParBloc) {
+      for (let bloc of blocs) {
+        data.push([bloc.nom, siegesParBloc[bloc.nom], bloc.couleur, bloc.nom])
+      }
+    }
+    else {
+      for (let nuance of nuances) {
+        data.push([nuance.nom, siegesParNuance[nuance.code], nuance.couleur, nuance.nom])
+      }
+    }
+    setDataSieges(data)
+  }, [siegesParBloc, siegesParNuance, grouperParBloc])
+
+  const compositonOptions = {
+    chart: {
+      type: 'item'
+    },
+    title: {
+      text: 'Projection eurodéputé⋅es français⋅es 2024'
+    },
+    legend: {
+      labelFormat: '{name} <span style="opacity: 0.4">{y}</span>'
+    },
+    series: [{
+      name: 'Nombre de sièges',
+      keys: ['name', 'y', 'color', 'label'],
+      data: dataSieges,
+      dataLabels: {
+        enabled: false,
+        format: '{point.label}'
+      },
+      // Circular options
+      center: ['50%', '88%'],
+      size: '170%',
+      startAngle: -100,
+      endAngle: 100
+    }]
+  }
+
+  const scoreOptions = {
+    chart: {
+      type: 'column'
+    },
+    title: {
+      text: 'Résultats des élections européennes 2024 en France',
+    },
+    legend: {
+      labelFormat: '{name} <span style="opacity: 0.4">{x}</span>'
+    },
+    xAxis: {
+      categories: categoriesVoix,
+    },
+    series: [{
+      name: "Nombre de voix",
+      keys: ['name', 'y', 'color', 'label'],
+      data: dataVoix,
+    }]
+  }
+
+  return <>
+    <FormGroup>
+      <FormControlLabel control={<Switch checked={grouperParBloc} onChange={event => setGrouperParBloc(event.target.checked)} inputProps={{ 'aria-label': 'controlled' }} />}
+                        label="Grouper par bloc plutôt que nuance politique" />
+    </FormGroup>
+    <HighchartsReact
+      id="composition-eurodeputees"
+      highcharts={Highcharts}
+      options={scoreOptions}
+    />
+    <HighchartsReact
+      id="composition-eurodeputees"
+      highcharts={Highcharts}
+      options={compositonOptions}
+    />
+    <ResultatsTable listes={listes} resultats={resultats} />
+    <ParticipationTable resultats={resultats} />
+  </>
+};

nupes-elections-front/src/index.css

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+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}

nupes-elections-front/src/index.js

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+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+import reportWebVitals from './reportWebVitals';
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals();

nupes-elections-front/src/logo.svg

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nupes-elections-front/src/reportWebVitals.js

@@ -0,0 +1,13 @@
+const reportWebVitals = onPerfEntry => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;

nupes-elections-front/src/setupTests.js

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+// jest-dom adds custom jest matchers for asserting on DOM nodes.
+// allows you to do things like:
+// expect(element).toHaveTextContent(/react/i)
+// learn more: https://github.com/testing-library/jest-dom
+import '@testing-library/jest-dom';