get-meteo-icons.mjs

import fetch from 'node-fetch';
import fs from 'fs';
import meteoFranceConf from './src/config/meteo-france-conf.json' assert {type:'json'}
const METEO_FRANCE_STORE = './src/assets/forecast/';
const LANG = "en";

const getMeteoFranceIconsArray = function (
    places = [
        { lat: 44.661432, lon: -1.176416, name: 'Arcachon' },
        { lat: 45.879449, lon: 6.888846, name: 'Aiguille du midi' },
        { lat: 48.385469, lon: -4.491038, name: 'Brest' },
        { lat: 48.03721, lon: -4.851893, name: 'Ile de Sein' },
        { lat: 50.416924, lon: 2.513619, name: 'la Comté' },
        { lat: 50.679484, lon: 1.567162, name: 'Équihen-plage' },
        { lat: 50.43358, lon: 2.585847, name: 'Parc d\'Ohlain' },
        { lat: 50.401719, lon: 2.92927, name: 'Parc des Îles' },
        { lat: 42.697679, lon: 9.449846, name: 'Bastia' },
        { lat: 48.54973, lon: 7.752666, name: 'Ostwald' },
        { lat: 42.843161, lon: -0.438193, name: 'Pic du Midi d\'Ossau' },
        { lat: 14.637992, lon: -61.095531, name: 'Saint-Joseph (Martinique)' },
        { lat: -20.93398, lon: 55.595733, name: 'Saint-André (La Réunion)' },
        { lat: 46.803303, lon: -56.174957, name: 'Saint-Pierre (Collectivité de Saint-Pierre-et-Miquelon)' },
        { lat: -22.264542, lon: 166.447897, name: 'Nouméa (Nouvelle-Calédonie)' },
        { lat: -12.782469, lon: 45.228132, name: 'Pamandzi (Mayotte)' },
        { lat: 5.158269, lon: -52.642795, name: 'Kourou' },
        { lat: -49.349008, lon: 70.379773, name: "Port-aux-Français (Îles Kerguelen)" },
        { lat: -22.366341, lon: 40.338066, name: 'Île Europa' }
    ]
) {
    const API_TOKEN = meteoFranceConf.api_key;
    const METEO_FRANCE_WEBSERVICE = "https://webservice.meteofrance.com/forecast";
    const METEO_FRANCE_ICONS_BASE =
        "https://meteofrance.com/modules/custom/mf_tools_common_theme_public/svg/weather";

    const promised = [];
    places.forEach((place) => {
        const query = `${METEO_FRANCE_WEBSERVICE}?token=${API_TOKEN}&lat=${place.lat}&lon=${place.lon}&lang=${LANG}`;
        console.log(query);
        const promise = fetch(query).then((response) => response.json());
        promised.push(promise);
    });
    return new Promise(function (resolve, reject) { //eslint-disable-line
        Promise.all(promised).then((values) => {
            const iconset = new Set();
            let nbIcons = 0;
            let iconsetSize = iconset.size;
            values.forEach((value) => {
                console.log(
                    value.position.name + " has " + value.forecast.length + " forecasts"
                );
                value.forecast.forEach((prob) => {
                    iconset.add(`${prob.weather.icon} ${prob.weather.desc}`);
                });
                console.log(`Added ${iconset.size - iconsetSize} icon names`);
                nbIcons += iconset.size - iconsetSize;
                iconsetSize = iconset.size;
            });
            console.log(`Retrieved ${nbIcons} icons from MF`);
            const icons = Array.from(iconset);
            icons.sort(function (a, b) {
                if (a < b) {
                    return -1;
                }
                if (a > b) {
                    return 1;
                }
                return 0;
            });
            const uniq_icons = icons.filter((value, index, self) => {
                return self.indexOf(value) === index;
            });
            const iconsMF = [];
            uniq_icons.forEach((icon) => {
                const name = icon.split(" ")[0];
                const desc = icon.slice(name.length + 1);
                const obj = {
                    name: name,
                    url: `${METEO_FRANCE_ICONS_BASE}/${name}.svg`,
                    desc: {},
                };
                obj.desc[LANG] = desc;
                iconsMF.push(obj);
                resolve(iconsMF);
            });
        });
    });
};

getMeteoFranceIconsArray().then(icons => {
    fs.readFile(`${METEO_FRANCE_STORE}mf-icons.json`, (err, data) => {
        const curIcons = JSON.parse(data);
        console.log(`There was ${curIcons.length} in mf-icons.json`);
        icons.forEach(item => {
            const i = curIcons.findIndex((element) => {
                return element.name === item.name;
            })
            if (i > 0) {
                const itemLang = Object.keys(item.desc)[0];
                if (curIcons[i].desc[itemLang] === undefined) {
                    Object.assign(curIcons[i].desc, item.desc);
                }
            }
        });
        let newIcons = curIcons.concat(icons);
        newIcons = newIcons.filter((value, index, self) =>
            index === self.findIndex((t) => (
                t.name === value.name
            ))
        );
        console.log(`Now there is ${newIcons.length} in mf-icons.json`);
        newIcons.sort((a, b) => {
            if (a.name < b.name) {
                return -1;
            }
            if (a.name > b.name) {
                return 1;
            }
            return 0;
        });
        fs.writeFile(`${METEO_FRANCE_STORE}mf-icons.json`, JSON.stringify(newIcons, null, '\t'), function (err) {
            if (err) return console.log(err);
            console.log(`Wrote json icons`);
        });
        icons.forEach(icon => {
            fetch(icon.url).then(response => response.blob())
                .then(blob => blob.text())
                .then(svg => {
                    fs.writeFile(`${METEO_FRANCE_STORE}${icon.name}.svg`, svg, function (err) {
                        if (err) return console.log(err);
                        process.stdout.write('.');
                    })
                })
        });
    })
});