ref: 20e217c955b231d402ddd0a32a14d38b34f728b9
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 android.database.sqlite.SQLiteException import android.util.SparseArray import android.util.SparseBooleanArray 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 = try { SQLiteDatabase.openDatabase(dbFile.path, null, SQLiteDatabase.OPEN_READONLY) } catch (e: SQLiteException) { null } this.timetable = timetable } fun delete(context: Context) { val filesDir = context.getSecondaryExternalFilesDir() val dbFile = File(filesDir, "timetable.db") try { dbFile.delete() } catch (e: Exception) { } } } private var db: SQLiteDatabase? = null private var _stops: List<StopSuggestion>? = null fun refresh() { } fun getStopSuggestions(/*context: Context, */force: Boolean = false): List<StopSuggestion> { if (_stops != null && !force) return _stops!! val zones = HashMap<String, String>() val cursor = db!!.rawQuery("select stop_name, zone_id from stops", null) while (cursor.moveToNext()) { val name = cursor.getString(0) val zone = cursor.getString(1) zones[name] = zone } cursor.close() _stops = zones.map { /*todo val colour = when (zones[it.key]) { "A" -> "#${getColour(R.color.zoneA, context).toString(16)}" "B" -> "#${getColour(R.color.zoneB, context).toString(16)}" "C" -> "#${getColour(R.color.zoneC, context).toString(16)}" else -> "#000000" } */ StopSuggestion(it.key, it.value, "#000000") }.sorted() return _stops!! } fun getLineSuggestions(): List<LineSuggestion> { val routes = ArrayList<LineSuggestion>() val cursor = db!!.rawQuery("select * from routes", null) while (cursor.moveToNext()) { val routeId = cursor.getString(0) routes.add(LineSuggestion(routeId, createRouteFromCursorRow(cursor))) } return routes.sortedBy { it.name } } fun getHeadlinesForStop(stop: String): Map<String, Set<String>> { val headsigns = HashMap<String, HashSet<String>>() var cursor = db!!.rawQuery("select stop_id, stop_code from stops where stop_name = ?", arrayOf(stop)) val stopIds = ArrayList<String>() val stopCodes = SparseArray<String>() while (cursor.moveToNext()) { cursor.getInt(0).let { stopIds.add(it.toString()) stopCodes.put(it, cursor.getString(1)) } } cursor.close() val where = stopIds.joinToString(" or ", "where ") { "stop_id = ?" } cursor = db!!.rawQuery("select stop_id, route_id, trip_headsign " + "from stop_times natural join trips " + where, stopIds.toTypedArray()) while (cursor.moveToNext()) { val stopCode = stopCodes[cursor.getInt(0)] val route = cursor.getString(1) val headsign = cursor.getString(2) if (stopCode !in headsigns) headsigns[stopCode] = HashSet() headsigns[stopCode]!!.add("$route → $headsign") } cursor.close() return headsigns /* AWF03 -> {232 → Os. Rusa} AWF04 -> {232 → Rondo Kaponiera} AWF02 -> {76 → Pl. Bernardyński, 74 → Os. Sobieskiego, 603 → Pl. Bernardyński} AWF01 ->{76 → Os. Dębina, 603 → Łęczyca/Dworcowa} AWF42 -> {29 → Pl. Wiosny Ludów} AWF41 -> {10 → Połabska, 29 → Dębiec, 15 → Budziszyńska, 10 → Dębiec, 15 → Os. Sobieskiego, 12 → Os. Sobieskiego, 6 → Junikowo, 18 → Ogrody, 2 → Ogrody} AWF73 -> {10 → Franowo, 29 → Franowo, 6 → Miłostowo, 5 → Stomil, 18 → Franowo, 15 → Franowo, 12 → Starołęka, 74 → Os. Orła Białego} */ } fun getHeadlinesForStopCode(stop: String): StopSegment { var cursor = db!!.rawQuery("select stop_id from stops where stop_code = ?", arrayOf(stop)) cursor.moveToFirst() val stopId = cursor.getInt(0) cursor.close() cursor = db!!.rawQuery("select route_id, trip_headsign " + "from stop_times natural join trips where stop_id = ? ", arrayOf(stopId.toString())) val plates = HashSet<Plate.ID>() while (cursor.moveToNext()) { val route = cursor.getString(0) val headsign = cursor.getString(1) plates.add(Plate.ID(route, stop, headsign)) } cursor.close() return StopSegment(stop, plates) } fun getStopName(stopCode: String): String { val cursor = db!!.rawQuery("select stop_name from stops where stop_code = ?", arrayOf(stopCode)) cursor.moveToNext() val name = cursor.getString(0) cursor.close() return name } fun getStopId(stopCode: String): String { val cursor = db!!.rawQuery("select stop_id from stops where stop_code = ?", arrayOf(stopCode)) cursor.moveToNext() val id = cursor.getString(0) cursor.close() return id } fun getStopCode(stopId: String): String { val cursor = db!!.rawQuery("select stop_code from stops where stop_id = ?", arrayOf(stopId)) cursor.moveToNext() val code = cursor.getString(0) cursor.close() return code } fun getStopDepartures(stopCode: String): Map<String, List<Departure>> { val stopID = getStopId(stopCode) val map = HashMap<String, 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)) while (cursor.moveToNext()) { val line = cursor.getString(0) val service = 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: Set<StopSegment>): Map<String, List<Departure>> { val stopCodes = HashMap<String, Int>() var cursor = db!!.rawQuery("select stop_id, stop_code from stops", emptyArray()) while (cursor.moveToNext()) { stopCodes[cursor.getString(1)] = cursor.getInt(0) } cursor.close() val wheres = segments.flatMap { it.plates?.map { plate -> "(stop_id = ${stopCodes[plate.stop]} and route_id = '${plate.line}' and trip_headsign = '${plate.headsign}')" } ?: listOf("stop_id = ${stopCodes[it.stop]}") }.joinToString(" or ") 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<String, List<Departure>> { val map = HashMap<String, ArrayList<Departure>>() while (cursor.moveToNext()) { val line = cursor.getString(0) val service = 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() } private fun calendarToMode(serviceId: String): List<Int> { val days = ArrayList<Int>() val cursor = db!!.rawQuery("select * from calendar where service_id = ?", arrayOf(serviceId)) 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]!!) } else { explanations.add(routeModifications[it.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(id, IntRange(start.toInt(), end.toInt()))) } catch (e: Exception) { modifications.add(Trip.ID.Modification(it, null)) } } } return Trip.ID(rawId, rawId.split("^")[0], modifications, isMain) } else return Trip.ID(rawId, rawId, HashSet(), false) } @SuppressLint("Recycle") fun isEmpty(): Boolean { if (db == null) return true 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(): String? { val today = JCalendar.getInstance() return getServiceFor(today) } fun getServiceForTomorrow(): String? { val tomorrow = JCalendar.getInstance() tomorrow.add(JCalendar.DAY_OF_MONTH, 1) return getServiceFor(tomorrow) } private fun getServiceFor(day: JCalendar): String? { val dayColumn = arrayOf("monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday")[((day.get(JCalendar.DAY_OF_WEEK) + 5) % 7)] val cursor = db!!.rawQuery("select service_id from calendar where $dayColumn = 1 and start_date < ? and ? < end_date", arrayOf(day.toIsoDate(), day.toIsoDate())) cursor.moveToFirst() return try { cursor.getInt(0).let { cursor.close() it.toString() } } catch (e: CursorIndexOutOfBoundsException) { cursor.close() null } } private fun getPlatesForStop(stop: String): Set<Plate.ID> { val plates = HashSet<Plate.ID>() val cursor = db!!.rawQuery("select route_id, trip_headsign " + "from stop_times natural join trips natural join stops where stop_code = ? " + "group by route_id, trip_headsign", arrayOf(stop)) while (cursor.moveToNext()) { val routeId = cursor.getString(0) val headsign = cursor.getString(1) plates.add(Plate.ID(routeId, stop, headsign)) } cursor.close() return plates } fun getTripGraphs(id: String): 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)) 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|$it" } } } } } return graphs } fun getServiceFirstDay(service: String): Int { val cursor = db!!.rawQuery("select * from calendar where service_id = ?", arrayOf(service)) cursor.moveToFirst() var i = 1 while ((cursor.getString(i) == "0") and (i < 8)) i++ cursor.close() return i } fun getServiceDescription(service: String, context: Context): String { val dayNames = SparseArray<String>() dayNames.put(1, context.getString(R.string.Mon)) dayNames.put(2, context.getString(R.string.Tue)) dayNames.put(3, context.getString(R.string.Wed)) dayNames.put(4, context.getString(R.string.Thu)) dayNames.put(5, context.getString(R.string.Fri)) dayNames.put(6, context.getString(R.string.Sat)) dayNames.put(7, context.getString(R.string.Sun)) val cursor = db!!.rawQuery("select * from calendar where service_id = ?", arrayOf(service)) cursor.moveToFirst() val days = SparseBooleanArray() for (i in 1..7) { days.append(i, cursor.getString(i) == "1") } days.append(8, false) val description = ArrayList<String>() var start = 0 for (i in 1..8) { if (!days[i] and (start > 0)) { when { i - start == 1 -> description.add(dayNames[start]) i - start == 2 -> description.add("${dayNames[start]}, ${dayNames[start + 1]}") i - start > 2 -> description.add("${dayNames[start]}–${dayNames[i - 1]}") } start = 0 } if (days[i] and (start == 0)) start = i } val startDate = calendarFromIsoD(cursor.getString(8)).toNiceString(context) val endDate = calendarFromIsoD(cursor.getString(9)).toNiceString(context) cursor.close() return "${description.joinToString { it }} ($startDate–$endDate)" } class TripGraph { var headsign = "" val mainTrip = HashMap<Int, Int>() val otherTrips = HashMap<String, HashMap<Int, Stop>>() val tripsMetadata = HashMap<String, String>() } } |