radar: support delays

docs/radar.md

@@ -76,7 +76,9 @@ The response may look like this:
 			}
 		},
 		arrival: null,
-		departure: '2017-12-17T19:16:00.000+01:00'
+		arrivalDelay: null,
+		departure: '2017-12-17T19:16:00.000+01:00',
+		departureDelay: null
 	} /* … */ ],
 	frames: [ {
 		origin: {
@@ -123,11 +125,15 @@ The response may look like this:
 	nextStops: [ {
 		station: { /* S+U Alexanderplatz/Dircksenstr. */ },
 		arrival: null,
-		departure: '2017-12-17T19:52:00.000+01:00'
+		arrivalDelay: null,
+		departure: '2017-12-17T19:52:00.000+01:00',
+		departureDelay: null
 	}, {
 		station: { /* Memhardstr. */ },
 		arrival: '2017-12-17T19:54:00.000+01:00',
-		departure: '2017-12-17T19:54:00.000+01:00'
+		arrivalDelay: null,
+		departure: '2017-12-17T19:54:00.000+01:00',
+		departureDelay: null
 	}, /* … */ ],
 	frames: [ {
 		origin: { /* S+U Alexanderplatz/Dircksenstr. */ },

parse/movement.js

@@ -17,11 +17,23 @@ const createParseMovement = (profile, locations, lines, remarks) => {
 				? profile.parseDateTime(profile, m.date, s.aTimeR || s.aTimeS)
 				: null
 
-			return {
+			const res = {
 				station: locations[s.locX],
 				departure: dep ? dep.toISO() : null,
 				arrival: arr ? arr.toISO() : null
 			}
+
+			if (m.dTimeR && m.dTimeS) {
+				const plannedDep = profile.parseDateTime(profile, m.date, s.dTimeS)
+				res.departureDelay = Math.round((dep - plannedDep) / 1000)
+			} else res.departureDelay = null
+
+			if (m.aTimeR && m.aTimeS) {
+				const plannedArr = profile.parseDateTime(profile, m.date, s.aTimeS)
+				res.arrivalDelay = Math.round((arr - plannedArr) / 1000)
+			} else res.arrivalDelay = null
+
+			return res
 		}
 
 		const res = {

test/util.js

@@ -81,6 +81,12 @@ const isValidDateTime = (w) => {
 const assertValidStopover = (t, s, coordsOptional = false) => {
 	if ('arrival' in s) t.ok(isValidDateTime(s.arrival))
 	if ('departure' in s) t.ok(isValidDateTime(s.departure))
+	if (s.arrivalDelay !== null && s.arrivalDelay !== undefined) {
+		t.equal(typeof s.arrivalDelay, 'number')
+	}
+	if (s.departureDelay !== null && s.departureDelay !== undefined) {
+		t.equal(typeof s.departureDelay, 'number')
+	}
 	if (!('arrival' in s) && !('departure' in s)) {
 		t.fail('stopover doesn\'t contain arrival or departure')
 	}