mirror of
https://github.com/public-transport/db-vendo-client.git
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85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
'use strict'
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const parseDateTime = require('./date-time')
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const clone = obj => Object.assign({}, obj)
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const createParseJourneyPart = (profile, stations, lines, remarks) => {
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// todo: finish parse/remark.js first
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const applyRemark = (j, rm) => {}
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// todo: pt.sDays
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// todo: pt.dep.dProgType, pt.arr.dProgType
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// todo: what is pt.jny.dirFlg?
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// todo: how does pt.freq work?
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// todo: what is pt.himL?
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const parseJourneyPart = (j, pt, passed = true) => { // j = journey, pt = part
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const dep = profile.parseDateTime(profile, j.date, pt.dep.dTimeR || pt.dep.dTimeS)
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const arr = profile.parseDateTime(profile, j.date, pt.arr.aTimeR || pt.arr.aTimeS)
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const res = {
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origin: clone(stations[parseInt(pt.dep.locX)]) || null,
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destination: clone(stations[parseInt(pt.arr.locX)]),
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departure: dep.toISO(),
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arrival: arr.toISO()
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}
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if (pt.dep.dTimeR && pt.dep.dTimeS) {
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const realtime = profile.parseDateTime(profile, j.date, pt.dep.dTimeR)
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const planned = profile.parseDateTime(profile, j.date, pt.dep.dTimeS)
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res.delay = Math.round((realtime - planned) / 1000)
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}
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if (pt.type === 'WALK') {
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res.mode = 'walking'
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res.public = true
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} else if (pt.type === 'JNY') {
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// todo: pull `public` value from `profile.products`
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res.id = pt.jny.jid
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res.line = lines[parseInt(pt.jny.prodX)] || null
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res.direction = profile.parseStationName(pt.jny.dirTxt)
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if (pt.dep.dPlatfS) res.departurePlatform = pt.dep.dPlatfS
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if (pt.arr.aPlatfS) res.arrivalPlatform = pt.arr.aPlatfS
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if (passed && pt.jny.stopL) {
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const parse = profile.parseStopover(profile, stations, lines, remarks, j)
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res.passed = pt.jny.stopL.map(parse)
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}
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if (Array.isArray(pt.jny.remL)) {
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for (let remark of pt.jny.remL) applyRemark(j, remark)
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}
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if (pt.jny.freq && pt.jny.freq.jnyL) {
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const parseAlternative = (a) => {
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const t = a.stopL[0].dTimeS || a.stopL[0].dTimeR
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const when = profile.parseDateTime(profile, j.date, t)
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return {
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line: lines[parseInt(a.prodX)] || null,
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when: when.toISO()
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}
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}
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res.alternatives = pt.jny.freq.jnyL
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.filter(a => a.stopL[0].locX === pt.dep.locX)
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.map(parseAlternative)
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}
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}
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// todo: follow public-transport/friendly-public-transport-format#27 here
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// see also derhuerst/vbb-rest#19
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if (pt.arr.aCncl) {
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res.cancelled = true
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res.arrival = res.arrivalPlatform = null
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}
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if (pt.dep.dCncl) {
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res.cancelled = true
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res.departure = res.departurePlatform = null
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res.delay = null
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}
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return res
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}
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return parseJourneyPart
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}
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module.exports = createParseJourneyPart
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