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tripsByName: support some journey filters

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Jannis R 2021-10-22 19:27:29 +02:00
parent fd6a349b64
commit 39ca7ede57
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2 changed files with 49 additions and 1 deletions
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14
docs/trips-by-name.md
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@ -25,6 +25,20 @@ With `opt`, you can override the default options, which look like this:
fromWhen: null, untilWhen: null,
onlyCurrentlyRunning: true,
products: {
// these entries may vary from profile to profile
suburban: true,
subway: true,
tram: true,
bus: true,
ferry: true,
express: true,
regional: true,
},
currentlyStoppingAt: null, // only show trips currently stopping at a stop/station, string
lineName: null, // only show trips with this line name, string
operatorNames: null, // only show trips with these operator names, array of strings
}
```

36
index.js
View file

@ -504,17 +504,25 @@ const createClient = (profile, userAgent, opt = {}) => {
when: null,
fromWhen: null, untilWhen: null,
onlyCurrentlyRunning: true,
products: {},
currentlyStoppingAt: null,
lineName: null,
operatorNames: null,
additionalFilters: [], // undocumented
}, opt)
const req = {
// fields: https://github.com/marudor/BahnhofsAbfahrten/blob/f619e754f212980261eb7e2b151cd73ba0213da8/packages/types/HAFAS/JourneyMatch.ts#L4-L23
input: lineNameOrFahrtNr,
onlyCR: opt.onlyCurrentlyRunning,
jnyFltrL: [
profile.formatProductsFilter({profile}, opt.products),
],
// todo: passing `tripId` yields a `CGI_READ_FAILED` error
// todo: passing a stop ID as `extId` yields a `PARAMETER` error
// todo: `onlyRT: true` reduces the number of results, but filters recent trips 🤔
// todo: `onlyTN: true` yields a `NO_MATCH` error
// todo: jnyFltrL, useAeqi
// todo: useAeqi
}
if (opt.when !== null) {
req.date = profile.formatDate(profile, new Date(opt.when))
@ -529,6 +537,32 @@ const createClient = (profile, userAgent, opt = {}) => {
req.dateE = profile.formatDate(profile, new Date(opt.untilWhen))
req.timeE = profile.formatTime(profile, new Date(opt.untilWhen))
}
const filter = (mode, type, value) => ({mode, type, value})
if (opt.currentlyStoppingAt !== null) {
if (!isNonEmptyString(opt.currentlyStoppingAt)) {
throw new TypeError('opt.currentlyStoppingAt must be a non-empty string.')
}
req.jnyFltrL.push(filter('INC', 'STATIONS', opt.currentlyStoppingAt))
}
if (opt.lineName !== null) {
if (!isNonEmptyString(opt.lineName)) {
throw new TypeError('opt.lineName must be a non-empty string.')
}
// todo: does this target `line` or `lineId`?
req.jnyFltrL.push(filter('INC', 'LINE', opt.lineName))
}
if (opt.operatorNames !== null) {
if (
!Array.isArray(opt.operatorNames)
|| opt.operatorNames.length === 0
|| !opt.operatorNames.every(isNonEmptyString)
) {
throw new TypeError('opt.operatorNames must be an array of non-empty strings.')
}
// todo: is the an escaping mechanism for ","
req.jnyFltrL.push(filter('INC', 'OP', opt.operatorNames.join(',')))
}
req.jnyFltrL = [...req.jnyFltrL, ...opt.additionalFilters]
return profile.request({profile, opt}, userAgent, {
cfg: {polyEnc: 'GPA'},