ref: 39faa85c5d0e2ec6212f990934bc974a8783effd
app/src/main/java/ml/adamsprogs/bimba/models/Timetable.kt
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package ml.adamsprogs.bimba.models import android.content.Context import com.univocity.parsers.csv.CsvParser import com.univocity.parsers.csv.CsvParserSettings import ml.adamsprogs.bimba.datasources.CacheManager import ml.adamsprogs.bimba.gtfs.AgencyAndId import ml.adamsprogs.bimba.gtfs.Route import ml.adamsprogs.bimba.gtfs.Trip import ml.adamsprogs.bimba.gtfs.Calendar import ml.adamsprogs.bimba.secondsAfterMidnight import org.supercsv.cellprocessor.ift.CellProcessor import org.supercsv.io.CsvMapReader import org.supercsv.prefs.CsvPreference import java.io.File import java.io.FileReader import kotlin.collections.ArrayList import kotlin.collections.HashMap import kotlin.collections.HashSet import java.util.Calendar as JCalendar class Timetable private constructor() { companion object { private var timetable: Timetable? = null fun getTimetable(context: Context? = null, force: Boolean = false): Timetable { return if (timetable == null || force) if (context != null) { timetable = Timetable() timetable!!.filesDir = context.filesDir timetable!!.cacheManager = CacheManager.getCacheManager(context) timetable as Timetable } else throw IllegalArgumentException("new timetable requested and no context given") else timetable as Timetable } } private lateinit var cacheManager: CacheManager private var _stops: List<StopSuggestion>? = null private lateinit var filesDir: File fun refresh() { cacheManager.recreate(getStopDeparturesByPlates(cacheManager.keys().toSet())) getStops(true) } fun getStops(force: Boolean = false): List<StopSuggestion> { if (_stops != null && !force) return _stops!! val settings = CsvParserSettings() settings.format.setLineSeparator("\r\n") val parser = CsvParser(settings) val ids = HashMap<String, HashSet<AgencyAndId>>() val zones = HashMap<String, String>() val stopsFile = File(filesDir, "gtfs_files/stops.txt") parser.parseAll(stopsFile).forEach { if (it[2] !in ids) ids[it[2]] = HashSet() ids[it[2]]!!.add(AgencyAndId(it[0])) zones[it[2]] = it[5] } _stops = ids.map { StopSuggestion(it.key, it.value, zones[it.key]!!) }.sorted() return _stops!! } fun getHeadlinesForStop(stops: Set<AgencyAndId>): Map<AgencyAndId, Pair<String, Set<String>>> { println(JCalendar.getInstance().timeInMillis) val trips = HashMap<String, HashSet<String>>() val routes = HashMap<String, Pair<String, String>>() val headsigns = HashMap<AgencyAndId, Pair<String, HashSet<String>>>() val settings = CsvParserSettings() settings.format.setLineSeparator("\r\n") settings.format.quote='"' println(JCalendar.getInstance().timeInMillis) val parser = CsvParser(settings) stops.forEach { trips[it.id] = HashSet() val stop = it.id val stopsFile = File(filesDir, "gtfs_files/stop_times_${it.id}.txt") parser.parseAll(stopsFile).forEach { if (it[6] in arrayOf("0", "3")) { trips[stop]!!.add(it[0]) } } } println(JCalendar.getInstance().timeInMillis) //val allTrips = trips.flatMap { it.value } println(JCalendar.getInstance().timeInMillis) val stopsFile = File(filesDir, "gtfs_files/trips.txt") parser.parseAll(stopsFile).forEach { //if (it[2] in allTrips) routes[it[2]] = Pair(it[0], it[3]) } println(JCalendar.getInstance().timeInMillis) trips.forEach { val headsign = HashSet<String>() it.value.forEach { headsign.add("${routes[it]!!.first} → ${routes[it]!!.second}") } headsigns[AgencyAndId(it.key)] = Pair(getStopCode(AgencyAndId(it.key)), headsign) } println(JCalendar.getInstance().timeInMillis) return headsigns /* 1435 -> (AWF03, {232 → Os. Rusa}) 1436 -> (AWF04, {232 → Rondo Kaponiera}) 1437 -> (AWF02, {76 → Pl. Bernardyński, 74 → Os. Sobieskiego, 603 → Pl. Bernardyński}) 1634 -> (AWF01, {76 → Os. Dębina, 603 → Łęczyca/Dworcowa}) 171 -> (AWF42, {29 → Pl. Wiosny Ludów}) 172 -> (AWF41, {10 → Połabska, 29 → Dębiec, 15 → Budziszyńska, 10 → Dębiec, 15 → Os. Sobieskiego, 12 → Os. Sobieskiego, 6 → Junikowo, 18 → Ogrody, 2 → Ogrody}) 4586 -> (AWF73, {10 → Franowo, 29 → Franowo, 6 → Miłostowo, 5 → Stomil, 18 → Franowo, 15 → Franowo, 12 → Starołęka, 74 → Os. Orła Białego}) */ } fun getStopName(stopId: AgencyAndId): String { val file = File(filesDir, "gtfs_files/stops.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["stop_id"] as String) == stopId.id) { mapReader.close() return row!!["stop_name"] as String } } mapReader.close() throw IllegalArgumentException("Stop $stopId not in store") } fun getStopCode(stopId: AgencyAndId): String { val file = File(filesDir, "gtfs_files/stops.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["stop_id"] as String) == stopId.id) { mapReader.close() return row!!["stop_code"] as String } } mapReader.close() throw IllegalArgumentException("Stop $stopId not in store") } fun getLineNumber(lineId: AgencyAndId): String { val file = File(filesDir, "gtfs_files/routes.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["route_id"] as String) == lineId.id) { mapReader.close() return row!!["route_short_name"] as String } } mapReader.close() throw IllegalArgumentException("Route $lineId not in store") } fun getStopDepartures(stopId: AgencyAndId): Map<AgencyAndId, List<Departure>> { val plates = HashSet<Plate>() val toGet = HashSet<Plate>() getTripsForStop(stopId) .map { Plate(Plate.ID(it.routeId, stopId, it.headsign), null) } .forEach { if (cacheManager.has(it)) plates.add(cacheManager.get(it)!!) else { toGet.add(it) } } getStopDeparturesByPlates(toGet).forEach { cacheManager.push(it); plates.add(it) } return Plate.join(plates) } fun getStopDepartures(plates: Set<Plate>): Map<AgencyAndId, ArrayList<Departure>> { val result = HashSet<Plate>() val toGet = HashSet<Plate>() for (plate in plates) { if (cacheManager.has(plate)) result.add(cacheManager.get(plate)!!) else toGet.add(plate) } getStopDeparturesByPlates(toGet).forEach { cacheManager.push(it); result.add(it) } return Plate.join(result) } private fun getStopDeparturesByPlates(plates: Set<Plate>): Set<Plate> { if (plates.isEmpty()) return emptySet() return plates.map { getStopDeparturesByPlate(it) }.toSet() } private fun getStopDeparturesByPlate(plate: Plate): Plate { val resultPlate = Plate(Plate.ID(plate.id), HashMap()) val trips = HashMap<String, Map<String, Any>>() val stopTimesFile = File(filesDir, "gtfs_files/stop_times.txt") //todo stop_times_$stopId var mapReader = CsvMapReader(FileReader(stopTimesFile), CsvPreference.STANDARD_PREFERENCE) var header = mapReader.getHeader(true) var stopTimesRow: Map<String, Any>? = null var processors = Array<CellProcessor?>(header.size, { null }) while ({ stopTimesRow = mapReader.read(header, processors); stopTimesRow }() != null) { if ((stopTimesRow!!["stop_id"] as String) == plate.id.stop.id) { val tripId = stopTimesRow!!["trip_id"] as String trips[tripId] = stopTimesRow!! } } mapReader.close() val tripsFile = File(filesDir, "gtfs_files/trips.txt") mapReader = CsvMapReader(FileReader(tripsFile), CsvPreference.STANDARD_PREFERENCE) header = mapReader.getHeader(true) var tripsRow: Map<String, Any>? = null processors = Array(header.size, { null }) while ({ tripsRow = mapReader.read(header, processors); tripsRow }() != null) { val tripId = tripsRow!!["trip_id"] as String if (tripId in trips && tripsRow!!["route_id"] as String == plate.id.line.id && tripsRow!!["trip_headsign"] as String == plate.id.headsign) { //check if toLower is needed val cal = JCalendar.getInstance() val (h, m, s) = (trips[tripId]!!["departure_time"] as String).split(":") cal.set(JCalendar.HOUR_OF_DAY, h.toInt()) cal.set(JCalendar.MINUTE, m.toInt()) cal.set(JCalendar.SECOND, s.toInt()) val time = cal.secondsAfterMidnight() val serviceId = AgencyAndId(tripsRow!!["service_id"] as String) val mode = calendarToMode(serviceId) val lowFloor = trips[tripId]!!["wheelchair_accessible"] as String == "1" val mod = explainModification(Trip(AgencyAndId(tripsRow!!["route_id"] as String), serviceId, createTripId(tripsRow!!["trip_id"] as String), tripsRow!!["trip_headsign"] as String, Integer.parseInt(tripsRow!!["direction_id"] as String), AgencyAndId(tripsRow!!["shape_id"] as String)), Integer.parseInt(trips[tripId]!!["stop_sequence"] as String)) val dep = Departure(plate.id.line, mode, time, lowFloor, mod, plate.id.headsign) if (resultPlate.departures!![serviceId] == null) resultPlate.departures[serviceId] = HashSet() resultPlate.departures[serviceId]!!.add(dep) } } mapReader.close() return resultPlate } fun calendarToMode(serviceId: AgencyAndId): List<Int> { val file = File(filesDir, "gtfs_files/calendar.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["service_id"] as String) == serviceId.id) { mapReader.close() val calendar = Calendar(row!!["monday"] as String == "1", row!!["tuesday"] as String == "1", row!!["wednesday"] as String == "1", row!!["thursday"] as String == "1", row!!["friday"] as String == "1", row!!["saturday"] as String == "1", row!!["sunday"] as String == "1") val days = ArrayList<Int>() if (calendar.monday) days.add(0) if (calendar.tuesday) days.add(1) if (calendar.wednesday) days.add(2) if (calendar.thursday) days.add(3) if (calendar.friday) days.add(4) if (calendar.saturday) days.add(5) if (calendar.sunday) days.add(6) return days } } mapReader.close() throw IllegalArgumentException("Service $serviceId not in store") } private fun explainModification(trip: Trip, stopSequence: Int): List<String> { val definitions = getRouteForTrip(trip).modifications val explanations = ArrayList<String>() trip.id.modification.forEach { if (it.stopRange != null) { if (stopSequence in it.stopRange) explanations.add(definitions[it.id.id]!!) } else { explanations.add(definitions[it.id.id]!!) } } return explanations } private fun getRouteForTrip(trip: Trip): Route { val routesFile = File(filesDir, "gtfs_files/routes.txt") var mapReader = CsvMapReader(FileReader(routesFile), CsvPreference.STANDARD_PREFERENCE) var header = mapReader.getHeader(true) var routeId = "" var row: Map<String, Any>? = null var processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["trip_id"] as String) == trip.rawId) { mapReader.close() routeId = row!!["route_id"] as String break } } if (routeId == "") { mapReader.close() throw IllegalArgumentException("Trip ${trip.rawId} not in store") } val tripsFile = File(filesDir, "gtfs_files/trips.txt") mapReader = CsvMapReader(FileReader(tripsFile), CsvPreference.STANDARD_PREFERENCE) header = mapReader.getHeader(true) var routeRow: Map<String, Any>? = null processors = Array(header.size, { null }) while ({ routeRow = mapReader.read(header, processors); routeRow }() != null) { if ((routeRow!!["route_id"] as String) == routeId) { mapReader.close() val id = routeRow!!["route_id"] as String val agency = routeRow!!["agency_id"] as String val shortName = routeRow!!["route_short_name"] as String val longName = routeRow!!["route_long_name"] as String val desc = routeRow!!["route_desc"] as String val type = Integer.parseInt(routeRow!!["route_type"] as String) val colour = Integer.parseInt(routeRow!!["route_color"] as String, 16) val textColour = Integer.parseInt(routeRow!!["route_text_color"] as String, 16) val (to, from) = desc.split("|") val toSplit = to.split("^") val fromSplit = from.split("^") val description = "${toSplit[0]}|${fromSplit[0]}" val modifications = HashMap<String, String>() toSplit.slice(1 until toSplit.size).forEach { val (k, v) = it.split(" - ") modifications[k] = v } return Route(AgencyAndId(id), AgencyAndId(agency), shortName, longName, description, type, colour, textColour, modifications) } } mapReader.close() throw IllegalArgumentException("Trip ${trip.rawId} not in store") } // fun getLinesForStop(stopId: AgencyAndId): Set<AgencyAndId> { // val lines = HashSet<AgencyAndId>() // store.allStopTimes.filter { it.stop.id == stopId }.forEach { lines.add(it.trip.route.id) } // return lines // } fun getTripsForStop(stopId: AgencyAndId): Set<Trip> { val tripIds = HashSet<String>() val stopTimesFile = File(filesDir, "gtfs_files/stop_times.txt") var mapReader = CsvMapReader(FileReader(stopTimesFile), CsvPreference.STANDARD_PREFERENCE) var header = mapReader.getHeader(true) var stopTimesRow: Map<String, Any>? = null var processors = Array<CellProcessor?>(header.size, { null }) while ({ stopTimesRow = mapReader.read(header, processors); stopTimesRow }() != null) { if ((stopTimesRow!!["stop_id"] as String) == stopId.id) { val tripId = stopTimesRow!!["trip_id"] as String tripIds.add(tripId) } } mapReader.close() val trips = HashSet<Trip>() val tripsFile = File(filesDir, "gtfs_files/trips.txt") mapReader = CsvMapReader(FileReader(tripsFile), CsvPreference.STANDARD_PREFERENCE) header = mapReader.getHeader(true) var tripsRow: Map<String, Any>? = null processors = Array(header.size, { null }) while ({ tripsRow = mapReader.read(header, processors); tripsRow }() != null) { val tripId = tripsRow!!["trip_id"] as String if (tripId in tripIds) { trips.add(Trip(AgencyAndId(tripsRow!!["route_id"] as String), AgencyAndId(tripsRow!!["service_id"] as String), createTripId(tripId), tripsRow!!["trip_headsign"] as String, Integer.parseInt(tripsRow!!["direction_id"] as String), AgencyAndId(tripsRow!!["shape_id"] as String))) } } mapReader.close() return trips } private fun createTripId(rawId: String): Trip.ID { if (rawId.contains('^')) { var modification = rawId.split("^")[1] val isMain = modification[modification.length - 1] == '+' if (isMain) modification = modification.subSequence(0, modification.length - 1) as String val modifications = HashSet<Trip.ID.Modification>() modification.split(",").forEach { try { val (id, start, end) = it.split(":") modifications.add(Trip.ID.Modification(AgencyAndId(id), IntRange(start.toInt(), end.toInt()))) } catch (e: Exception) { modifications.add(Trip.ID.Modification(AgencyAndId(it), null)) } } return Trip.ID(AgencyAndId(rawId.split("^")[0]), modifications, isMain) } else return Trip.ID(AgencyAndId(rawId), HashSet(), false) } fun isEmpty(): Boolean { try { val file = File(filesDir, "gtfs_files/feed_info.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) val processors = Array<CellProcessor?>(header.size, { null }) if (mapReader.read(header, processors) == null) { mapReader.close() return true } mapReader.close() return false } catch (e: Exception) { return true } } fun getValidSince(): String { val file = File(filesDir, "gtfs_files/feed_info.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) val processors = Array<CellProcessor?>(header.size, { null }) val row = mapReader.read(header, processors) mapReader.close() return row["feed_start_date"] as String } fun getValidTill(): String { val file = File(filesDir, "gtfs_files/feed_info.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) val processors = Array<CellProcessor?>(header.size, { null }) val row = mapReader.read(header, processors) mapReader.close() return row["feed_end_date"] as String } fun getServiceForToday(): AgencyAndId { val today = JCalendar.getInstance().get(JCalendar.DAY_OF_WEEK) return getServiceFor(today) } fun getServiceForTomorrow(): AgencyAndId { val tomorrow = JCalendar.getInstance() tomorrow.add(JCalendar.DAY_OF_MONTH, 1) val tomorrowDoW = tomorrow.get(JCalendar.DAY_OF_WEEK) return getServiceFor(tomorrowDoW) } private fun getServiceFor(day: Int): AgencyAndId { val dow = arrayOf("sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday") val file = File(filesDir, "gtfs_files/calendar.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!![dow[day - 1]] as String) == "1") { mapReader.close() return AgencyAndId(row!!["service_id"] as String) } } mapReader.close() throw IllegalArgumentException("Day $day not in calendar") } fun getLineForNumber(number: String): AgencyAndId { val file = File(filesDir, "gtfs_files/routes.txt") val mapReader = CsvMapReader(FileReader(file), CsvPreference.STANDARD_PREFERENCE) val header = mapReader.getHeader(true) var row: Map<String, Any>? = null val processors = Array<CellProcessor?>(header.size, { null }) while ({ row = mapReader.read(header, processors); row }() != null) { if ((row!!["route_short_name"] as String) == number) { mapReader.close() return AgencyAndId(row!!["route_id"] as String) } } mapReader.close() throw IllegalArgumentException("Route $number not in store") } fun getPlatesForStop(stop: AgencyAndId): Set<Plate.ID> { val plates = HashSet<Plate.ID>() val tripIds = HashSet<String>() val stopTimesFile = File(filesDir, "gtfs_files/stop_times.txt") var mapReader = CsvMapReader(FileReader(stopTimesFile), CsvPreference.STANDARD_PREFERENCE) var header = mapReader.getHeader(true) var stopTimesRow: Map<String, Any>? = null var processors = Array<CellProcessor?>(header.size, { null }) while ({ stopTimesRow = mapReader.read(header, processors); stopTimesRow }() != null) { if ((stopTimesRow!!["stop_id"] as String) == stop.id) { val tripId = stopTimesRow!!["trip_id"] as String tripIds.add(tripId) } } mapReader.close() val tripsFile = File(filesDir, "gtfs_files/trips.txt") mapReader = CsvMapReader(FileReader(tripsFile), CsvPreference.STANDARD_PREFERENCE) header = mapReader.getHeader(true) var tripsRow: Map<String, Any>? = null processors = Array(header.size, { null }) while ({ tripsRow = mapReader.read(header, processors); tripsRow }() != null) { if (tripsRow!!["trip_id"] as String in tripIds) { plates.add(Plate.ID(AgencyAndId(tripsRow!!["route_id"] as String), stop, tripsRow!!["trip_headsign"] as String)) } } mapReader.close() return plates } } |