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public-holidays.js
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public-holidays.js
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const ical = require('node-ical')
const path = require('path')
const DatabaseConnection = require('./database/DatabaseConnection')
const config = require('./config.json')
const utils = require('./utils')
const database = new DatabaseConnection(config.databaseURL, config.databaseName)
let gtfsTimetables
database.connect(async err => {
gtfsTimetables = database.getCollection('gtfs timetables')
})
let rawEvents = ical.sync.parseFile(path.join(__dirname, 'additional-data/vic-holidays.ics'))
let events = Object.values(rawEvents).slice(1)
let eventCache = {}
let dayCache = {}
function editName(name) {
if (name === 'Saturday before Easter Sunday') return 'Easter Saturday'
if (name === 'Friday before the AFL Grand Final') return 'AFL Grand Final Friday'
return name
}
events.forEach(event => {
try {
let start = event.start.toISOString()
let day = utils.parseTime(start)
let name = editName(event.summary)
eventCache[utils.getYYYYMMDD(day)] = name
} catch (e) {
global.loggers.error.err('Failed to load holiday data', event)
}
})
function getPublicHolidayName(time) {
return eventCache[utils.getYYYYMMDD(time)]
}
async function getPHDayOfWeek(time) {
let day = utils.getYYYYMMDD(time)
if (eventCache[day]) {
if (dayCache[day]) {
return dayCache[day]
} else {
let count782 = await gtfsTimetables.countDocuments({
operationDays: day,
routeGTFSID: '4-782',
mode: 'bus',
gtfsDirection: '0' // flinders - frankston
})
let hasFlinders = await gtfsTimetables.countDocuments({
operationDays: day,
routeGTFSID: '4-782',
mode: 'bus',
gtfsDirection: '0', // flinders - frankston
origin: 'Wood Street/Cook Street',
})
let phDay
if (count782 === 15) phDay = 'Saturday'
if (count782 === 14) {
if (hasFlinders) phDay = 'Weekday'
else phDay = 'Sunday'
}
dayCache[day] = phDay
return phDay
}
} else {
return null
}
}
async function getDayOfWeek(time) {
let phDay = await getPHDayOfWeek(time)
let regularDay = utils.getDayOfWeek(time)
if (!phDay || phDay === 'Weekday') return regularDay
if (phDay === 'Saturday') return 'Sat'
else return 'Sun'
}
module.exports = {
getPublicHolidayName,
getPHDayOfWeek,
getDayOfWeek
}