ref: f8d1e22b93b6149c6b74ebf8f22055135398c85d
app/src/main/java/ml/adamsprogs/bimba/models/Timetable.kt
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package ml.adamsprogs.bimba.models import android.annotation.SuppressLint import android.content.Context import android.database.* import android.database.sqlite.SQLiteDatabase import ml.adamsprogs.bimba.* import ml.adamsprogs.bimba.models.gtfs.* import ml.adamsprogs.bimba.models.suggestions.* import java.io.* import kotlin.collections.* 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) { constructTimetable(context) timetable!! } else throw IllegalArgumentException("new timetable requested and no `context` given") else if (context != null) { try { constructTimetable(context) timetable!! } catch (e: Exception) { timetable!! } } else timetable!! } private fun constructTimetable(context: Context) { val timetable = Timetable() val filesDir = context.getSecondaryExternalFilesDir() val dbFile = File(filesDir, "timetable.db") timetable.db = SQLiteDatabase.openDatabase(dbFile.path, null, SQLiteDatabase.OPEN_READONLY) this.timetable = timetable } } private lateinit var db: SQLiteDatabase private var _stops: List<StopSuggestion>? = null fun refresh() { } fun getStopSuggestions(context: Context, force: Boolean = false): List<StopSuggestion> { if (_stops != null && !force) return _stops!! val ids = HashMap<String, HashSet<AgencyAndId>>() val zones = HashMap<String, String>() val cursor = db.rawQuery("select stop_name, stop_id, zone_id from stops", null) while (cursor.moveToNext()) { val name = cursor.getString(0) val id = cursor.getInt(1) val zone = cursor.getString(2) if (name !in ids) ids[name] = HashSet() ids[name]!!.add(AgencyAndId(id.toString())) zones[name] = zone } cursor.close() _stops = ids.map { val colour = when (zones[it.key]) { "A" -> "#${getColour(R.color.zoneA, context).toString(16)}" "B" -> "#${getColour(R.color.zoneB, context).toString(16)}" "C" -> "#${getColour(R.color.zoneC, context).toString(16)}" else -> "#000000" } StopSuggestion(it.key, it.value, zones[it.key]!!, colour) }.sorted() return _stops!! } fun getLineSuggestions(): List<LineSuggestion> { val routes = ArrayList<LineSuggestion>() val cursor = db.rawQuery("select * from routes", null) while (cursor.moveToNext()) { val routeId = cursor.getString(0) routes.add(LineSuggestion(routeId, createRouteFromCursorRow(cursor))) } return routes.sortedBy { it.name } } fun getHeadlinesForStop(stops: Set<AgencyAndId>): Map<AgencyAndId, Pair<String, Set<String>>> { val headsigns = HashMap<AgencyAndId, Pair<String, HashSet<String>>>() val stopsIndex = HashMap<Int, String>() val where = stops.joinToString(" or ", "where ") { "stop_id = ?" } var cursor = db.rawQuery("select stop_id, stop_code from stops $where", stops.map { it.toString() }.toTypedArray()) while (cursor.moveToNext()) { stopsIndex[cursor.getInt(0)] = cursor.getString(1) } cursor.close() cursor = db.rawQuery("select stop_id, route_id, trip_headsign " + "from stop_times natural join trips " + where, stops.map { it.toString() }.toTypedArray()) while (cursor.moveToNext()) { val stop = cursor.getInt(0) val stopId = AgencyAndId(stop.toString()) val route = cursor.getString(1) val headsign = cursor.getString(2) if (stopId !in headsigns) headsigns[stopId] = Pair(stopsIndex[stop]!!, HashSet()) headsigns[stopId]!!.second.add("$route → $headsign") } cursor.close() 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 cursor = db.rawQuery("select stop_name from stops where stop_id = ?", arrayOf(stopId.id)) cursor.moveToNext() val name = cursor.getString(0) cursor.close() return name } fun getStopCode(stopId: AgencyAndId): String { val cursor = db.rawQuery("select stop_code from stops where stop_id = ?", arrayOf(stopId.id)) cursor.moveToNext() val code = cursor.getString(0) cursor.close() return code } fun getStopDepartures(stopId: AgencyAndId): Map<AgencyAndId, List<Departure>> { val map = HashMap<AgencyAndId, ArrayList<Departure>>() val cursor = db.rawQuery("select route_id, service_id, departure_time, " + "wheelchair_accessible, stop_sequence, trip_id, trip_headsign, route_desc " + "from stop_times natural join trips natural join routes where stop_id = ?", arrayOf(stopId.id)) while (cursor.moveToNext()) { val line = AgencyAndId(cursor.getString(0)) val service = AgencyAndId(cursor.getInt(1).toString()) val mode = calendarToMode(service) val time = parseTime(cursor.getString(2)) val lowFloor = cursor.getInt(3) == 1 val stopSequence = cursor.getInt(4) val tripId = createTripId(cursor.getString(5)) val headsign = cursor.getString(6) val desc = cursor.getString(7) val modifications = Route.createModifications(desc) val modification = explainModification(tripId, stopSequence, modifications) val departure = Departure(line, mode, time, lowFloor, modification, headsign) if (map[service] == null) map[service] = ArrayList() map[service]!!.add(departure) } cursor.close() map.forEach { it.value.sortBy { it.time } } return map } fun getStopDeparturesBySegments(segments: HashSet<StopSegment>): Map<AgencyAndId, List<Departure>> { val wheres = segments.flatMap { it.plates?.map { "(stop_id = ${it.stop} and route_id = '${it.line}' and trip_headsign = '${it.headsign}')" } ?: listOf() }.joinToString(" or ") val cursor = db.rawQuery("select route_id, service_id, departure_time, " + "wheelchair_accessible, stop_sequence, trip_id, trip_headsign, route_desc " + "from stop_times natural join trips natural join routes where $wheres", null) val map = parseDeparturesCursor(cursor) cursor.close() return map } private fun parseDeparturesCursor(cursor: Cursor): Map<AgencyAndId, List<Departure>> { val map = HashMap<AgencyAndId, ArrayList<Departure>>() while (cursor.moveToNext()) { val line = AgencyAndId(cursor.getString(0)) val service = AgencyAndId(cursor.getInt(1).toString()) val mode = calendarToMode(service) val time = parseTime(cursor.getString(2)) val lowFloor = cursor.getInt(3) == 1 val stopSequence = cursor.getInt(4) val tripId = createTripId(cursor.getString(5)) val headsign = cursor.getString(6) val desc = cursor.getString(7) val modifications = Route.createModifications(desc) val modification = explainModification(tripId, stopSequence, modifications) val departure = Departure(line, mode, time, lowFloor, modification, headsign) if (map[service] == null) map[service] = ArrayList() map[service]!!.add(departure) } map.forEach { it.value.sortBy { it.time } } return map } private fun parseTime(time: String): Int { val cal = JCalendar.getInstance() val (h, m, s) = time.split(":") cal.set(JCalendar.HOUR_OF_DAY, h.toInt()) cal.set(JCalendar.MINUTE, m.toInt()) cal.set(JCalendar.SECOND, s.toInt()) return cal.secondsAfterMidnight() } fun calendarToMode(serviceId: AgencyAndId): List<Int> { val days = ArrayList<Int>() val cursor = db.rawQuery("select * from calendar where service_id = ?", arrayOf(serviceId.id)) cursor.moveToNext() (1 until 7).forEach { if (cursor.getInt(it) == 1) days.add(it - 1) } cursor.close() return days } private fun explainModification(tripId: Trip.ID, stopSequence: Int, routeModifications: Map<String, String>): List<String> { //todo<p:1> "kurs obsługiwany taborem niskopodłogowym" -> ignore val explanations = ArrayList<String>() tripId.modification.forEach { if (it.stopRange != null) { if (stopSequence in it.stopRange) explanations.add(routeModifications[it.id.id]!!) } else { explanations.add(routeModifications[it.id.id]!!) } } return explanations } private fun createRouteFromCursorRow(cursor: Cursor): Route { val routeId = cursor.getString(0) val agencyId = cursor.getInt(1).toString() val shortName = cursor.getString(2) val longName = cursor.getString(3) val desc = cursor.getString(4) val type = cursor.getInt(5) val colour = cursor.getString(6).toInt(16) val textColour = cursor.getString(7).toInt(16) return Route.create(routeId, agencyId, shortName, longName, desc, type, colour, textColour) } 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>() if (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(rawId, AgencyAndId(rawId.split("^")[0]), modifications, isMain) } else return Trip.ID(rawId, AgencyAndId(rawId), HashSet(), false) } @SuppressLint("Recycle") fun isEmpty(): Boolean { var result: Boolean var cursor: Cursor? = null try { cursor = db.rawQuery("select * from feed_info", null) result = !cursor.moveToNext() } catch (e: Exception) { result = true } finally { cursor?.close() } return result } fun getValidSince(): String { val cursor = db.rawQuery("select feed_start_date from feed_info", null) cursor.moveToNext() val validTill = cursor.getString(0) cursor.close() return validTill } fun getValidTill(): String { val cursor = db.rawQuery("select feed_end_date from feed_info", null) cursor.moveToNext() val validTill = cursor.getString(0) cursor.close() return validTill } 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) } fun getServiceFor(day: Int): AgencyAndId { val dayColumn = arrayOf("monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday")[((day + 5) % 7)] val cursor = db.rawQuery("select service_id from calendar where $dayColumn = 1", null) val service: Int cursor.moveToNext() try { service = cursor.getInt(0) cursor.close() return AgencyAndId(service.toString()) } catch (e: CursorIndexOutOfBoundsException) { throw IllegalArgumentException() } } fun getPlatesForStop(stop: AgencyAndId): Set<Plate.ID> { val plates = HashSet<Plate.ID>() val cursor = db.rawQuery("select route_id, trip_headsign " + "from stop_times natural join trips where stop_id = ? " + "group by route_id, trip_headsign", arrayOf(stop.id)) while (cursor.moveToNext()) { val routeId = AgencyAndId(cursor.getString(0)) val headsign = cursor.getString(1) plates.add(Plate.ID(routeId, stop, headsign)) } cursor.close() return plates } fun getTripGraphs(id: AgencyAndId): Array<TripGraph> { val graphs = arrayOf(TripGraph(), TripGraph()) val cursor = db.rawQuery("select trip_id, trip_headsign, direction_id, stop_id, " + "stop_sequence, pickup_type, stop_name, zone_id " + "from stop_times natural join trips natural join stops" + "where route_id = ?", arrayOf(id.id)) while (cursor.moveToNext()) { val trip = cursor.getString(0) val headsign = cursor.getString(1) val direction = cursor.getInt(2) val stopId = cursor.getInt(3) val sequence = cursor.getInt(4) val pickupType = cursor.getInt(5) val stopName = cursor.getString(6) val zone = cursor.getString(7) if (trip.contains('+')) { graphs[direction].mainTrip[stopId] = sequence graphs[direction].headsign = headsign } if (graphs[direction].otherTrips[trip] == null) graphs[direction].otherTrips[trip] = HashMap() graphs[direction].otherTrips[trip]?.put(sequence, Stop(stopId, null, stopName, null, null, zone[0], pickupType == 3)) } cursor.close() graphs.forEach { val thisTripGraph = it it.otherTrips.forEach { val tripId = it.key val trip = it.value it.value.keys.sortedBy { it }.forEach { if (thisTripGraph.tripsMetadata[tripId] == "" || thisTripGraph.tripsMetadata[tripId] == "o") if (thisTripGraph.mainTrip[trip[it]!!.id] != null) { val mainLayer = thisTripGraph.mainTrip[trip[it]!!.id]!! if (it == 0 || thisTripGraph.tripsMetadata[tripId]!![0] == 'o') { thisTripGraph.tripsMetadata[tripId] = "o|$mainLayer|$it" } else { val startingLayer = mainLayer - it + 1 thisTripGraph.tripsMetadata[tripId] = "i|$startingLayer|$it" } } } } } return graphs } class TripGraph { var headsign = "" val mainTrip = HashMap<Int, Int>() val otherTrips = HashMap<String, HashMap<Int, Stop>>() val tripsMetadata = HashMap<String, String>() } } |