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gulpfile.js
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gulpfile.js
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'use strict';
const { BASE_DATA_DIR, request, writeFileAndCache, copyFromCache, notify } = require('./gulp/util');
const gulp = require('gulp');
const sass = require('gulp-sass')(require('sass'));
const exec = require('child_process').exec;
const purgecss = require('gulp-purgecss');
const replace = require('gulp-replace');
const fs = require('fs');
const axios = require("axios");
const cheerio = require("cheerio");
const moment = require("moment");
const autoprefixer = require('gulp-autoprefixer');
const csv = require('csv-parser');
const DATA_DIR = BASE_DATA_DIR;
const uruguay = require("./" + DATA_DIR + "uruguay.json");
const VIS_BASE_URL = "https://services5.arcgis.com/Th0Tmkhiy5BQYoxP/arcgis/rest/services/Casos_DepartamentosROU_vista_2/FeatureServer/";
const VIS_ICU_BASE_URL = "https://services5.arcgis.com/Th0Tmkhiy5BQYoxP/arcgis/rest/services/OcupacionUY_vista/FeatureServer/";
const { buildChartData, watchChartData } = require('./gulp/buildChartData');
const { downloadUruguayVaccinationData } = require('./gulp/downloadVacData');
const nodeModules = './node_modules';
const paths = {
mainSCSS: './assets/sass/main.scss',
srcSCSS: './assets/sass/**/*.scss',
destCSS: './static/css',
deploy: 'public'
};
function sassBuild() {
return gulp.src(paths.mainSCSS)
.pipe(sass({ outputStyle: 'compressed', includePaths: [nodeModules] }).on('error', sass.logError))
.pipe(autoprefixer())
.pipe(gulp.dest(paths.destCSS));
};
function sassWatch() {
return gulp.watch(paths.srcSCSS, sassBuild);
};
const build = sassBuild;
function hugoBuild(cb) {
const params = ["--gc", "--verbose", "--cleanDestinationDir"];
const context = process.env.CONTEXT;
let baseURL = process.env.URL;
let environment = "production";
if (context == "branch-deploy" || context == "deploy-preview") {
baseURL = process.env.DEPLOY_PRIME_URL;
environment = "development";
}
params.push("--environment");
params.push(environment);
if (baseURL != null) {
params.push("--baseURL");
params.push(baseURL);
console.log("overriding baseURL with: " + baseURL);
}
exec('hugo ' + params.join(' '), function (err, stdout, stderr) {
console.log(stdout);
console.log(stderr);
cb(err);
});
};
function purgeCSS() {
return gulp
.src(paths.deploy + '/css/*.css')
.pipe(
purgecss({
content: [paths.deploy + '/**/*.html', paths.deploy + '/**/*.js']
})
)
.pipe(gulp.dest(paths.deploy + '/css'))
};
function embedCritialCSS() {
return gulp.src(paths.deploy + '/**/*.html')
.pipe(replace(/<link href='\/css\/main.css'[^>]*>/g, function (s) {
const style = fs.readFileSync(paths.deploy + '/css/main.css', 'utf8');
return '<style>\n' + style + '\n</style>';
}))
.pipe(gulp.dest(paths.deploy));
};
function hugoServer(cb) {
const hugoProc = exec('hugo server --templateMetrics --disableFastRender --noHTTPCache --forceSyncStatic --gc');
hugoProc.stdout.pipe(process.stdout);
hugoProc.stderr.pipe(process.stderr);
cb();
};
var updatedDate = null;
async function downloadData() {
let response;
try {
response = await axios.get("https://www.worldometers.info/coronavirus/");
if (response.status !== 200) {
throw new Error('Unexpected HTTP code when downloading world data: ' + response.status);
}
const result = {};
const html = cheerio.load(response.data);
html(".maincounter-number").filter((i, el) => {
let count = el.children[0].next.children[0].data || "0";
count = parseInt(count.replace(/,/g, "") || "0", 10);
if (i === 0) {
result.cases = count;
} else if (i === 1) {
result.deaths = count;
} else {
result.recovered = count;
}
});
updatedDate = result.updated = Math.floor(Date.now() / 1000);
await writeFileAndCache(DATA_DIR, "world.json", JSON.stringify(result));
}
catch (e) {
notify("Error getting world data, getting it from the cache: " + e.message)
await copyFromCache(DATA_DIR, "world.json", null);
}
}
async function downloadPopulationData() {
let response;
try {
response = await axios.get("https://www.worldometers.info/world-population/population-by-country/");
if (response.status !== 200) {
throw new Error('Unexpected HTTP code when downloading world data: ' + response.status);
}
const result = {};
const html = cheerio.load(response.data);
html("table tbody tr").each((i, el) => {
const country = el.children[3].children[0].children[0].data.toLowerCase();
if (country === 'uruguay' || Object.keys(Countries).indexOf(country) != -1) {
const population = parseInt(el.children[5].children[0].data.replace(/,/g, ""));
result[country] = population;
}
});
await writeFileAndCache(DATA_DIR, "worldPopulation.json", JSON.stringify(result));
} catch (e) {
notify("Error getting world population data, getting it from the cache: " + e.message);
await copyFromCache(DATA_DIR, "worldPopulation.json", null);
}
}
const watch = gulp.parallel(sassWatch, watchChartData);
function updateLastMod() {
return gulp.src('content/_index*.md')
.pipe(replace(/^lastmod.*/m, function () {
if (updatedDate == null) {
updatedDate = Date.now() / 1000;
}
return 'lastmod: ' + moment(updatedDate * 1000).format("YYYY-MM-DDTHH:mm:ssZZ");
}))
.pipe(gulp.dest('content'));
}
const Countries = {
argentina: { cases: [], recovered: [], deaths: [] },
brazil: { cases: [], recovered: [], deaths: [] },
chile: { cases: [], recovered: [], deaths: [] },
paraguay: { cases: [], recovered: [], deaths: [] }
};
const COUNTRIES_DATA_REPO_URL = "https://api.github.com/repos/CSSEGISandData/COVID-19/branches/master";
const COUNTRIES_DATA_BASE_URL = 'https://raw.githubusercontent.com/CSSEGISandData/COVID-19/{hash}/csse_covid_19_data/csse_covid_19_time_series/';
const REFERENCE_DATE = moment(uruguay.data[0].date, "YYYY-MM-DD");
let lastDate = null;
let firstDate = null;
async function downloadCountryData(file, hash, property) {
var req = {
method: 'get',
url: COUNTRIES_DATA_BASE_URL.replace("{hash}", hash) + file,
responseType: 'stream'
}
const res = await axios(req);
const stream = res.data.pipe(csv());
stream.on('data', data => {
const dataCountryName = data['Country/Region'];
const countryName = typeof dataCountryName == "string" ? dataCountryName.toLowerCase() : null;
if (countryName) {
const country = Countries[countryName];
if (country) {
const keys = Object.keys(data);
for (let i = 0; i < keys.length; ++i) {
const key = keys[i];
const dataDate = moment(key, "MM/DD/YY");
if (dataDate.isValid() && dataDate >= REFERENCE_DATE) {
if (firstDate == null) {
firstDate = dataDate;
}
if (i == keys.length - 1) {
if (lastDate == null) {
lastDate = dataDate;
}
else if (dataDate.unix() != lastDate.unix()) {
throw new Error("Unexpected last date: " + dataDate + ", prev one: " + lastDate);
}
}
const value = parseInt(data[key]);
country[property].push(value);
}
}
}
}
});
return new Promise((resolve, reject) => {
stream.on("error", reject);
stream.on("end", resolve);
});
}
async function downloadCountriesData() {
let hash = null;
try {
const repoData = await request(COUNTRIES_DATA_REPO_URL);
hash = repoData.commit.sha;
}
catch(e) {
// Github API is failing frequently with a 403 error when getting the current commit hash
// If that's the case, try master instead
hash = "master";
console.log("Failed to get repo data, using master instead of current commit: " + e.message);
}
try {
await Promise.all([
downloadCountryData('time_series_covid19_confirmed_global.csv', hash, 'cases'),
downloadCountryData('time_series_covid19_recovered_global.csv', hash, 'recovered'),
downloadCountryData('time_series_covid19_deaths_global.csv', hash, 'deaths')
]);
var regionObj = {
firstDate: firstDate.format("YYYY-MM-DD"),
lastDate: lastDate.format("YYYY-MM-DD"),
data: Countries
}
await writeFileAndCache(DATA_DIR, "region.json", JSON.stringify(regionObj));
} catch (e) {
notify("Error getting region data, getting it from the cache: " + e.message);
await copyFromCache(DATA_DIR, "region.json", null);
}
}
async function getDepartmentsData() {
const params = {
f: "json",
where: "CasosActivos>=0",
returnGeometry: "false",
outFields: "*",
orderByFields: "CasosActivos desc",
resultOffset: "0",
resultRecordCount: "19",
resultType: "standard",
cacheHint: "false"
}
return await request(VIS_BASE_URL + "/0/query", params);
}
async function getVisUpdatedDate() {
const data = await request(VIS_BASE_URL + '0/', { f: "json" });
return moment(data.editingInfo.lastEditDate).format("YYYY-MM-DD");
}
async function downloadDepartmentsData() {
try {
const data = {
departments: {}
};
const [date, respData] = await Promise.all([getVisUpdatedDate(), getDepartmentsData()]);
data.date = date;
for (let i = 0; i < respData.features.length; ++i) {
const attributes = respData.features[i].attributes;
data.departments[attributes.NOMBRE] = attributes.CasosActivos;
}
await writeFileAndCache(DATA_DIR, "uruguayDepartments.json", JSON.stringify(data));
}
catch (e) {
notify("Error getting Uruguay departments data, getting it from the cache: " + e.message);
await copyFromCache(DATA_DIR, "uruguayDepartments.json", null);
}
}
async function getICUData() {
const params = {
f: "json",
where: "1=1",
returnGeometry: "false",
outFields: "*",
resultOffset: "0",
resultRecordCount: "1",
resultType: "standard",
cacheHint: "false"
}
return await request(VIS_ICU_BASE_URL + "/0/query", params);
}
async function downloadICUData() {
try {
const icuData = await getICUData();
const icu = icuData.features[0].attributes;
const data = {
beds: {
total: icu.cam_dotacion,
blocked: icu.cam_bloq,
available: icu.cam_hab,
free: icu.cam_libres,
expansionPotential: icu.cam_amp,
freeRespiratoryIsolation: icu.cam_libres_ais_resp,
},
occupation: {
total: icu.cam_ocu_tot,
covid19: icu.cam_ocu_covid19,
irag: icu.cam_ocu_rag,
other: icu.cam_ocu_otro,
},
lastEditedDate: icu.last_edited_date
};
await writeFileAndCache(DATA_DIR, "icu.json", JSON.stringify(data));
} catch (e) {
notify("Error getting ICU data, getting it from the cache: " + e.message);
await copyFromCache(DATA_DIR, "icu.json", null);
}
}
exports.downloadVacData = downloadUruguayVaccinationData;
exports.buildChartData = buildChartData;
exports.develop = gulp.series(gulp.parallel(downloadData, downloadCountriesData, downloadPopulationData, downloadUruguayVaccinationData, downloadICUData, buildChartData), build, gulp.parallel(watch, hugoServer));
exports.deploy = gulp.series(gulp.parallel(downloadData, downloadCountriesData, downloadPopulationData, downloadUruguayVaccinationData, downloadICUData, buildChartData), updateLastMod, build, hugoBuild, purgeCSS, embedCritialCSS);
exports.default = exports.develop;