parse scheduled days of a journey

docs/journeys.md

@@ -69,7 +69,8 @@ With `opt`, you can override the default options, which look like this:
 	remarks: true, // parse & expose hints & warnings?
 	// Consider walking to nearby stations at the beginning of a journey?
 	startWithWalking: true,
-	language: 'en' // language to get results in
+	language: 'en', // language to get results in
+	scheduledDays: false // parse which days each journey is valid on
 }
 ```
 
@@ -300,3 +301,18 @@ departure of first (later) journey 2017-12-17T19:19:00.000+01:00
 ```
 
 If you pass `polylines: true`, each journey leg will have a `polyline` field. Refer to [the section in the `trip()` docs](trip.md#polyline-option) for details.
+
+If you pass `scheduledDays: true`, each journey will have a `scheduledDays` field looking like this:
+
+```js
+{
+	'2018-01-01': true,
+	'2018-01-02': false,
+	// …
+	'2018-10-12': true,
+	'2018-10-13': true,
+	// …
+	'2019-01-02': false,
+	'2019-01-03': false
+}
+```

index.js

@@ -140,7 +140,8 @@ const createClient = (profile, userAgent, request = _request) => {
 			polylines: false, // return leg shapes?
 			remarks: true, // parse & expose hints & warnings?
 			// Consider walking to nearby stations at the beginning of a journey?
-			startWithWalking: true
+			startWithWalking: true,
+			scheduledDays: false
 		}, opt)
 		if (opt.via) opt.via = profile.formatLocation(profile, opt.via, 'opt.via')
 

parse/journey-leg.js

@@ -43,7 +43,6 @@ const createParseJourneyLeg = (profile, opt, data) => {
 	const {locations, lines, hints, warnings, polylines} = data
 	// todo: pt.status, pt.isPartCncl
 	// todo: pt.isRchbl, pt.chRatingRT, pt.chgDurR, pt.minChg
-	// todo: pt.sDays
 	// todo: pt.dep.dProgType, pt.arr.dProgType
 	// todo: what is pt.jny.dirFlg?
 

parse/journey.js

@@ -1,12 +1,31 @@
 'use strict'
 
+const {DateTime} = require('luxon')
 const findRemark = require('./find-remark')
 
+const parseScheduledDays = (sDaysB, profile) => {
+	sDaysB = Buffer.from(sDaysB, 'hex')
+	const res = Object.create(null)
+
+	let d = DateTime.fromObject({
+		zone: profile.timezone, locale: profile.locale,
+		year: new Date().getFullYear(),
+		month: 1, day: 1,
+		hour: 0, minute: 0, second: 0, millisecond: 0
+	})
+	for (let b = 0; b < sDaysB.length; b++) {
+		for (let i = 0; i < 8; i++) {
+			res[d.toISODate()] = (sDaysB[b] & Math.pow(2, 7 - i)) > 0
+			d = d.plus({days: 1})
+		}
+	}
+	return res
+}
+
 const createParseJourney = (profile, opt, data) => {
 	const parseLeg = profile.parseJourneyLeg(profile, opt, data)
 	const {hints, warnings} = data
 
-	// todo: c.sDays
 	// todo: c.conSubscr
 	// todo: c.trfRes x vbb-parse-ticket
 	// todo: c.sotRating, c.isSotCon, c.sotCtxt
@@ -32,6 +51,10 @@ const createParseJourney = (profile, opt, data) => {
 			}
 		}
 
+		if (opt.scheduledDays) {
+			res.scheduledDays = parseScheduledDays(j.sDays.sDaysB, profile)
+		}
+
 		return res
 	}