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https://github.com/public-transport/db-vendo-client.git
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51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
'use strict'
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const createParseMovement = (profile, locations, lines, remarks, polylines = []) => {
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// todo: what is m.dirGeo? maybe the speed?
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// todo: what is m.stopL?
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// todo: what is m.proc? wut?
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// todo: what is m.pos?
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// todo: what is m.ani.dirGeo[n]? maybe the speed?
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// todo: what is m.ani.proc[n]? wut?
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const parseMovement = (m) => {
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const pStopover = profile.parseStopover(profile, locations, lines, remarks, m.date)
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const res = {
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direction: profile.parseStationName(m.dirTxt),
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trip: m.jid && +m.jid.split('|')[1] || null, // todo: this seems brittle
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line: lines[m.prodX] || null,
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location: m.pos ? {
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type: 'location',
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latitude: m.pos.y / 1000000,
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longitude: m.pos.x / 1000000
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} : null,
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nextStops: m.stopL.map(pStopover),
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frames: []
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}
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if (m.ani) {
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if (Array.isArray(m.ani.mSec)) {
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for (let i = 0; i < m.ani.mSec.length; i++) {
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res.frames.push({
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origin: locations[m.ani.fLocX[i]] || null,
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destination: locations[m.ani.tLocX[i]] || null,
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t: m.ani.mSec[i]
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})
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}
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}
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if (m.ani.poly && m.ani.poly.crdEncYX) {
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res.polyline = m.ani.poly.crdEncYX
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} else if (m.ani.polyG && Array.isArray(m.ani.polyG.polyXL)) {
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let p = m.ani.polyG.polyXL[0]
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// todo: there can be >1 polyline
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res.polyline = polylines[p] && polylines[p].crdEncYX || null
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}
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}
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return res
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}
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return parseMovement
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}
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module.exports = createParseMovement
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