130 lines
4.9 KiB
JavaScript

import mkdirp from 'mkdirp'
import path from 'path'
import fsp from 'fs/promises'
function normalize(data) {
return data.rows.map(row => {
const obj = {}
row.forEach((col, i) => {
obj[data.headers[i]] = col
})
return obj
})
}
function percentChange (current, prev) {
const change = current - prev
let percent = (change / Math.abs(prev)) * 100
if (isNaN(percent)) return 0
const sign = percent > 0 ? '+' : '-'
if (Math.abs(percent) === Infinity) percent = 100
return `${sign}${Math.abs(percent.toFixed(2)).toLocaleString()}`
}
function replaceVariables (template, variables) {
Object.keys(variables).forEach(key => {
let value = variables[key]
if (typeof value === 'number') value = value.toLocaleString()
template = template.split(`{${key}}`).join(value)
})
return template
}
async function readJSON(file) {
return JSON.parse(await fsp.readFile(file, 'utf-8'))
}
async function process () {
const template = await fsp.readFile('./data/parser/reddit/template.md', 'utf-8')
const data = {
tests: normalize(await readJSON('./public/data/overall/testing/by-county/-- All --.json')).reverse(),
cases: normalize(await readJSON('./public/data/overall/cases/by-county/-- All --.json')).reverse(),
hospitalizations: normalize(await readJSON('./public/data/overall/hospitalizations/by-county/-- All --.json')).reverse(),
deaths: normalize(await readJSON('./public/data/overall/deaths/by-county/-- All --.json')).reverse(),
vaccinations: normalize(await readJSON('./public/data/overall/vaccinations/by-county/-- All --.json')).reverse(),
}
function formatRow(data, index) {
const prevData = {
tests: data.tests[index + 1],
cases: data.cases[index + 1],
hospitalizations: data.hospitalizations[index + 1],
deaths: data.deaths[index + 1],
vaccinations: data.vaccinations[index + 1],
}
const currentData = {
tests: data.tests[index],
cases: data.cases[index],
hospitalizations: data.hospitalizations[index],
deaths: data.deaths[index],
vaccinations: data.vaccinations[index],
}
currentData.hospitalizations.total_hospitalizations = data.hospitalizations.reduce((total, r) => {
return total + r.hospitalizations
}, 0)
const date = new Date(`${currentData.tests.report_date} 23:59:59`)
const date_short = `${`${(date.getMonth() + 1)}`.padStart(2, '0')}/${`${date.getDate()}`.padStart(2, '0')}`
const computedData = {
date,
date_short,
date_long: date.toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' }),
current_percent_positive: Math.round(currentData.tests.seven_day_percent_positive),
current_tests: currentData.tests.combined_performed_running_total.toLocaleString(),
current_cases: currentData.cases.total_cases.toLocaleString(),
current_hospitalizations: currentData.hospitalizations.total_hospitalizations.toLocaleString(),
current_deaths: currentData.deaths.total_deaths.toLocaleString(),
current_vaccinations: currentData.vaccinations.total_vaccinations.toLocaleString(),
current_tests_increase: (currentData.tests.combined_performed - prevData.tests.combined_performed).toLocaleString(),
current_cases_increase: currentData.cases.cases.toLocaleString(),
current_hospitalizations_increase: currentData.hospitalizations.hospitalizations.toLocaleString(),
current_deaths_increase: currentData.deaths.deaths.toLocaleString(),
current_vaccinations_increase: currentData.vaccinations.vaccinations.toLocaleString(),
current_tests_change_percent: percentChange(currentData.tests.combined_performed, prevData.tests.combined_performed),
current_cases_change_percent: percentChange(currentData.cases.cases, prevData.cases.cases),
current_hospitalizations_change_percent: percentChange(currentData.hospitalizations.hospitalizations, prevData.hospitalizations.hospitalizations),
current_deaths_change_percent: percentChange(currentData.deaths.deaths, prevData.deaths.deaths),
current_vaccinations_change_percent: percentChange(currentData.vaccinations.vaccinations, prevData.vaccinations.vaccinations),
}
return computedData
}
const results = []
for (let i = 0; i <= 30; i++) {
results.push(formatRow(data, i))
}
const variables = {
...results.at(0),
table_rows: results.map(row => {
return `| ${[
row.date_short,
`${row.current_percent_positive}%`,
`${row.current_cases_increase} [${row.current_cases_change_percent}%]`,
`${row.current_hospitalizations_increase} [${row.current_hospitalizations_change_percent}%]`,
`${row.current_deaths_increase} [${row.current_deaths_change_percent}%]`,
`${row.current_vaccinations_increase} [${row.current_vaccinations_change_percent}%]`,
].join(' | ')} |`
}).join('\n')
}
console.log(replaceVariables(template, variables))
}
process()