support reduced fare passengers, parse "Kleinkindabteil" remarks

[tordans]

Is there a way to solve this user story?

I want to journey from LocA to LocB with 2 adults + 1 child "0-5 years" on some day between Date1 and Date2 and pick the train wich the least "Auslastung" and a reservation for a "Kleinkindabteil/-bereich" (not "Familienbereich") is available.

Thanks for hints.

[derhuerst]

Is there a way to solve this user story?

Whever is displayed in the DB Navigator app could also be parsed by hafas-client. Not every is parsed as of right now, though.

I want to journey from LocA to LocB with 2 adults + 1 child "0-5 years"

AFAIR currently hafas-client's DB profile doesn't support children yet:

hafas-client/p/db/index.js

Lines 154 to 170 in cec4f4d

	const transformJourneysQuery = ({opt}, query) => {
	const filters = query.jnyFltrL
	if (opt.bike) filters.push(bike)
	query.trfReq = {
	jnyCl: opt.firstClass === true ? 1 : 2,
	tvlrProf: [{
	type: 'E',
	redtnCard: opt.loyaltyCard
	? formatLoyaltyCard(opt.loyaltyCard)
	: null
	}],
	cType: 'PK'
	}
	return query
	}

But I expect support for this to be very easy to add.

on some day between Date1 and Date2

You would have to iterate a) through all dates, and b) through all results for the day (using res.laterRef as documented).

and pick the train wich the least "Auslastung"

hafas-client's DB profile parses the occupancy level (or load factor) is provided:

hafas-client/p/db/index.js

Lines 217 to 224 in cec4f4d

	const parseJourneyLegWithLoadFactor = ({parsed, res, opt}, raw) => {
	const tcocX = raw.jny && raw.jny.dTrnCmpSX && raw.jny.dTrnCmpSX.tcocX
	if (Array.isArray(tcocX) && Array.isArray(res.common.tcocL)) {
	const load = parseLoadFactor(opt, res.common.tcocL, tcocX)
	if (load) parsed.loadFactor = load
	}
	return parsed
	}

and a reservation for a "Kleinkindabteil/-bereich" (not "Familienbereich") is available.

hafas-client parses all regular (as in not special ones, e.g. a reference to a stop's ID within another API) remarks. I'd have to check though if and how it actually parses the Kleinkindabteil" remark.

This is what (a simplified version of) a raw response including a "Kleinkindabteil" remark looks like:

{
	"common": {
		"locL": [
						{
				"lid": "A=1@O=Salzburg Hbf@X=13045559@Y=47812824@U=81@L=8100002@",
				"type": "S",
				"name": "Salzburg Hbf",
				"extId": "8100002",
				"crd": {
					"x": 13045604,
					"y": 47812851,
					"floor": 0
				},
				"pCls": 6271
			},
			{
				"lid": "A=1@O=Erfurt Hbf@X=11038502@Y=50972550@U=81@L=8010101@",
				"type": "S",
				"name": "Erfurt Hbf",
				"extId": "8010101",
				"crd": {
					"x": 11038502,
					"y": 50972550,
					"floor": 0
				},
				"pCls": 23
			}
		],
		"prodL": [
			{
				"name": "EC 218",
				"number": "218",
				"cls": 4,
				"oprX": 0,
				"prodCtx": {
					"name": "EC 218  ",
					"num": "218",
					"matchId": "218",
					"catOut": "EC      ",
					"catOutS": "EC",
					"catOutL": "EuroCity",
					"catIn": "EC",
					"catCode": "2",
					"admin": "81____"
				}
			}
		],
		"opL": [
			{
				"name": "Salzburg AG - O-Bus",
				"url": "www.obus.at"
			}
		],
		"remL": [
			{
				"type": "A",
				"code": "KK",
				"prio": 610,
				"icoX": 19,
				"txtN": "Kleinkindabteil"
			}
		]
	},
	"type": "DEP",
	"jnyL": [
		{
			"jid": "2|#VN#1#ST#1619093960#PI#0#ZI#453536#TA#0#DA#30521#1S#8100173#1T#545#LS#8010101#LT#1900#PU#81#RT#1#CA#EC#ZE#218#ZB#EC 218  #PC#2#FR#8100173#FT#545#TO#8010101#TT#1900#",
			"prodX": 0,
			"dirTxt": "Erfurt Hbf",
			"status": "P",
			"stbStop": {
				"locX": 5,
				"idx": 19,
				"dPltfS": {
					"type": "PL",
					"txt": "1"
				},
				"dTimeS": "100000",
				"type": "N"
			},
			"msgL": [
				{
					"type": "REM",
					"remX": 10,
					"fLocX": 5,
					"tLocX": 6
				}
			]
		}
	]
}