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server.js
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server.js
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const express = require('express')
const dayjs = require('dayjs')
const allNurses = require('./static/nurses.json')
const app = express()
const port = 4000
app.use(express.static('static', { extensions: ['json'] }))
app.get('/', (req, res) => {
res.send('Use /roster?start=yyyy-mm-dd&end=yyyy-mm-dd to fetch the roster for a given time period')
})
const shiftTypes = ['morning', 'evening', 'night']
app.get('/roster', (req, res) => {
const start = dayjs(req.query.start)
const end = dayjs(req.query.end)
const numberOfDays = end.diff(start, 'day')
const numberOfShifts = numberOfDays * 3
const shifts = []
for (let i = 0; i < numberOfShifts; i++) {
shifts.push({
date: start.add(Math.floor(i / 3), 'days'),
type: shiftTypes[i % 3],
nurses: getNurses(i * 5)
})
}
res.send(shifts)
})
function getNurses(startIndex) {
const nurses = []
for (let i = startIndex; i < startIndex + 5; i++) {
const nurseIndex = i % allNurses.length
nurses.push(allNurses[nurseIndex])
}
return nurses
}
app.listen(port, () => {
console.log(`Nurses app listening at http://localhost:${port}`)
})