ref: b9cf1491ea2fdd3f29f22d86bd64eaa3ff0a88d8
app/src/main/java/xyz/apiote/bimba/czwek/api/Structs.kt
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// SPDX-FileCopyrightText: Adam Evyčędo // // SPDX-License-Identifier: GPL-3.0-or-later package xyz.apiote.bimba.czwek.api import android.os.Parcelable import android.util.Log import kotlinx.parcelize.Parcelize import org.yaml.snakeyaml.Yaml import xyz.apiote.bimba.czwek.api.structs.VehicleStatusV1 import xyz.apiote.fruchtfleisch.Reader import java.io.InputStream import kotlin.reflect.KClass class TrafficFormatException(override val message: String) : IllegalArgumentException() class UnknownResourceVersionException(resource: String, val version: ULong) : Exception("unknown version $version of $resource") class UnknownResourceException(resource: String, cls: KClass<*>) : Exception("unknown class $cls for $resource") data class BimbaInfo( val contact: Map<String, String>, ) data class Bimba( val info: BimbaInfo, val servers: List<Map<String, String>>, val security: List<Map<String, List<*>>> ) { companion object { @Suppress("UNCHECKED_CAST") fun unmarshal(stream: InputStream): Bimba { val map = Yaml().load(stream) as HashMap<String, *> val contact = if (map["info"] is Map<*, *> && (map["info"] as Map<*, *>).keys.all { it is String }) { (map["info"] as Map<String, *>)["contact"] } else { throw TrafficFormatException("invalid info format") } val contactMap = if (contact is Map<*, *> && contact.all { it.key is String && it.value is String }) { contact as Map<String, String> } else { throw TrafficFormatException("invalid contact format") } val servers = if (map["servers"] is List<*> && (map["servers"] as List<*>).all { server -> server is Map<*, *> && server.all { it.key is String && it.value is String } }) { map["servers"] as List<Map<String, String>> } else { throw TrafficFormatException("invalid servers format") } val security = if (map["security"] is List<*> && (map["security"] as List<*>).all { security -> security is Map<*, *> && security.all { it.key is String && it.value is List<*> } }) { map["security"] as List<Map<String, List<*>>> } else { throw TrafficFormatException("invalid security format") } val bimba = Bimba(BimbaInfo(contactMap), servers, security) bimba.validate() return bimba } } fun isPrivate(): Boolean { return security.size == 1 && security[0]["api_key"] != null } fun isRateLimited(): Boolean { val items = security.foldRight(0b00) { map, acc -> acc or when { map.containsKey("api_key") -> 0b10 map.isEmpty() -> 0b01 else -> 0b00 } } Log.i("Rate limited", "${this}, $items") return security.size == 2 && items == 0b11 } private fun validate() { if (servers.isEmpty() || servers[0]["url"] == null) { throw TrafficFormatException("no server in info") } if (security.isEmpty()) { throw TrafficFormatException("no security") } } } @Parcelize data class PositionV1( val latitude: Double, val longitude: Double ) : Parcelable { override fun toString(): String = "$latitude,$longitude" companion object { fun unmarshal(stream: InputStream): PositionV1 { val reader = Reader(stream) return PositionV1( reader.readFloat64(), reader.readFloat64() ) } } } enum class AlertCauseV1 { UNKNOWN, OTHER, TECHNICAL_PROBLEM, STRIKE, DEMONSTRATION, ACCIDENT, HOLIDAY, WEATHER, MAINTENANCE, CONSTRUCTION, POLICE_ACTIVITY, MEDICAL_EMERGENCY; companion object { fun of(type: UInt): AlertCauseV1 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("OTHER") 2u -> valueOf("TECHNICAL_PROBLEM") 3u -> valueOf("STRIKE") 4u -> valueOf("DEMONSTRATION") 5u -> valueOf("ACCIDENT") 6u -> valueOf("HOLIDAY") 7u -> valueOf("WEATHER") 8u -> valueOf("MAINTENANCE") 9u -> valueOf("CONSTRUCTION") 10u -> valueOf("POLICE_ACTIVITY") 11u -> valueOf("MEDICAL_EMERGENCY") else -> throw UnknownResourceVersionException("AlertCause/$type", 1u) } } } } enum class AlertEffectV1 { UNKNOWN, OTHER, NO_SERVICE, REDUCED_SERVICE, SIGNIFICANT_DELAYS, DETOUR, ADDITIONAL_SERVICE, MODIFIED_SERVICE, STOP_MOVED, NONE, ACCESSIBILITY_ISSUE; companion object { fun of(type: UInt): AlertEffectV1 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("OTHER") 2u -> valueOf("NO_SERVICE") 3u -> valueOf("REDUCED_SERVICE") 4u -> valueOf("SIGNIFICANT_DELAYS") 5u -> valueOf("DETOUR") 6u -> valueOf("ADDITIONAL_SERVICE") 7u -> valueOf("MODIFIED_SERVICE") 8u -> valueOf("STOP_MOVED") 9u -> valueOf("NONE") 10u -> valueOf("ACCESSIBILITY_ISSUE") else -> throw UnknownResourceVersionException("AlertEffect/$type", 1u) } } } } data class AlertV1( val header: String, val Description: String, val Url: String, val Cause: AlertCauseV1, val Effect: AlertEffectV1 ) { companion object { fun unmarshal(stream: InputStream): AlertV1 { val reader = Reader(stream) return AlertV1( reader.readString(), reader.readString(), reader.readString(), AlertCauseV1.of(reader.readUInt().toULong().toUInt()), AlertEffectV1.of(reader.readUInt().toULong().toUInt()) ) } } } data class Time( val Hour: UInt, val Minute: UInt, val Second: UInt, val DayOffset: Byte, val Zone: String ) { companion object { fun unmarshal(stream: InputStream): Time { val reader = Reader(stream) return Time( reader.readUInt().toULong().toUInt(), reader.readUInt().toULong().toUInt(), reader.readUInt().toULong().toUInt(), reader.readI8(), reader.readString() ) } } } @Parcelize data class ColourV1(val R: UByte, val G: UByte, val B: UByte): Parcelable { companion object { fun unmarshal(stream: InputStream): ColourV1 { val reader = Reader(stream) return ColourV1( reader.readU8(), reader.readU8(), reader.readU8() ) } } } enum class CongestionLevelV1 { UNKNOWN, SMOOTH, STOP_AND_GO, SIGNIFICANT, SEVERE; companion object { fun of(type: UInt): CongestionLevelV1 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("SMOOTH") 2u -> valueOf("STOP_AND_GO") 3u -> valueOf("SIGNIFICANT") 4u -> valueOf("SEVERE") else -> throw UnknownResourceVersionException("CongestionLevel/$type", 1u) } } } } enum class OccupancyStatusV1 { UNKNOWN, EMPTY, MANY_AVAILABLE, FEW_AVAILABLE, STANDING_ONLY, CRUSHED, FULL, NOT_ACCEPTING; companion object { fun of(type: UInt): OccupancyStatusV1 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("EMPTY") 2u -> valueOf("MANY_AVAILABLE") 3u -> valueOf("FEW_AVAILABLE") 4u -> valueOf("STANDING_ONLY") 5u -> valueOf("CRUSHED") 6u -> valueOf("FULL") 7u -> valueOf("NOT_ACCEPTING") else -> throw UnknownResourceVersionException("OccupancyStatus/$type", 1u) } } } } data class VehicleV1( val ID: String, val Position: PositionV1, val Capabilities: UShort, val Speed: Float, val Line: LineStubV1, val Headsign: String, val CongestionLevel: CongestionLevelV1, val OccupancyStatus: OccupancyStatusV1 ) : LocatableV1 { companion object { fun unmarshal(stream: InputStream): VehicleV1 { val reader = Reader(stream) return VehicleV1( reader.readString(), PositionV1.unmarshal(stream), reader.readU16(), reader.readFloat32(), LineStubV1.unmarshal(stream), reader.readString(), CongestionLevelV1.of(reader.readUInt().toULong().toUInt()), OccupancyStatusV1.of(reader.readUInt().toULong().toUInt()) ) } } } data class VehicleV2( val ID: String, val Position: PositionV1, val Capabilities: UShort, val Speed: Float, val Line: LineStubV2, val Headsign: String, val CongestionLevel: CongestionLevelV1, val OccupancyStatus: OccupancyStatusV1 ) : LocatableV2 { companion object { fun unmarshal(stream: InputStream): VehicleV2 { val reader = Reader(stream) return VehicleV2( reader.readString(), PositionV1.unmarshal(stream), reader.readU16(), reader.readFloat32(), LineStubV2.unmarshal(stream), reader.readString(), CongestionLevelV1.of(reader.readUInt().toULong().toUInt()), OccupancyStatusV1.of(reader.readUInt().toULong().toUInt()) ) } } } data class VehicleV3( val ID: String, val Position: PositionV1, val Capabilities: UShort, val Speed: Float, val Line: LineStubV3, val Headsign: String, val CongestionLevel: CongestionLevelV1, val OccupancyStatus: OccupancyStatusV1 ) : LocatableV3, LocatableV4 { companion object { fun unmarshal(stream: InputStream): VehicleV3 { val reader = Reader(stream) return VehicleV3( reader.readString(), PositionV1.unmarshal(stream), reader.readU16(), reader.readFloat32(), LineStubV3.unmarshal(stream), reader.readString(), CongestionLevelV1.of(reader.readUInt().toULong().toUInt()), OccupancyStatusV1.of(reader.readUInt().toULong().toUInt()) ) } } } @Parcelize data class LineStubV1( val name: String, val kind: LineTypeV1, val colour: ColourV1 ):Parcelable { companion object { fun unmarshal(stream: InputStream): LineStubV1 { val reader = Reader(stream) return LineStubV1( reader.readString(), LineTypeV1.of(reader.readUInt().toULong().toUInt()), ColourV1.unmarshal(stream) ) } } } data class LineStubV2( val name: String, val kind: LineTypeV2, val colour: ColourV1 ) { companion object { fun unmarshal(stream: InputStream): LineStubV2 { val reader = Reader(stream) return LineStubV2( reader.readString(), LineTypeV2.of(reader.readUInt().toULong().toUInt()), ColourV1.unmarshal(stream) ) } } } data class LineStubV3( val name: String, val kind: LineTypeV3, val colour: ColourV1 ) { companion object { fun unmarshal(stream: InputStream): LineStubV3 { val reader = Reader(stream) return LineStubV3( reader.readString(), LineTypeV3.of(reader.readUInt().toULong().toUInt()), ColourV1.unmarshal(stream) ) } } } data class DepartureV1( val ID: String, val time: Time, val status: ULong, val isRealtime: Boolean, val vehicle: VehicleV1, val boarding: UByte ) { companion object { fun unmarshal(stream: InputStream): DepartureV1 { val reader = Reader(stream) val id = reader.readString() val time = Time.unmarshal(stream) val status = reader.readUInt().toULong() val isRealtime = reader.readBoolean() val vehicle = VehicleV1.unmarshal(stream) val boarding = reader.readU8() return DepartureV1(id, time, status, isRealtime, vehicle, boarding) } } } data class DepartureV2( val ID: String, val time: Time, val status: ULong, val isRealtime: Boolean, val vehicle: VehicleV2, val boarding: UByte ) { companion object { fun unmarshal(stream: InputStream): DepartureV2 { val reader = Reader(stream) val id = reader.readString() val time = Time.unmarshal(stream) val status = reader.readUInt().toULong() val isRealtime = reader.readBoolean() val vehicle = VehicleV2.unmarshal(stream) val boarding = reader.readU8() return DepartureV2(id, time, status, isRealtime, vehicle, boarding) } } } data class DepartureV3( val ID: String, val time: Time, val status: VehicleStatusV1, val isRealtime: Boolean, val vehicle: VehicleV3, val boarding: UByte ) { companion object { fun unmarshal(stream: InputStream): DepartureV3 { val reader = Reader(stream) val id = reader.readString() val time = Time.unmarshal(stream) val status = VehicleStatusV1.of(reader.readUInt().toULong().toUInt()) val isRealtime = reader.readBoolean() val vehicle = VehicleV3.unmarshal(stream) val boarding = reader.readU8() return DepartureV3(id, time, status, isRealtime, vehicle, boarding) } } } data class DepartureV4( val ID: String, val time: Time, val status: VehicleStatusV1, val isRealtime: Boolean, val vehicle: VehicleV3, val boarding: UByte, val alerts: List<AlertV1> ) { companion object { fun unmarshal(stream: InputStream): DepartureV4 { val reader = Reader(stream) val id = reader.readString() val time = Time.unmarshal(stream) val status = VehicleStatusV1.of(reader.readUInt().toULong().toUInt()) val isRealtime = reader.readBoolean() val vehicle = VehicleV3.unmarshal(stream) val boarding = reader.readU8() val alertsNum = reader.readUInt().toULong() val alerts = mutableListOf<AlertV1>() for (i in 0UL until alertsNum) { alerts.add(AlertV1.unmarshal(stream)) } return DepartureV4(id, time, status, isRealtime, vehicle, boarding, alerts) } } } data class DepartureV5( val ID: String, val time: Time, val status: VehicleStatusV1, val isRealtime: Boolean, val vehicle: VehicleV3, val boarding: UByte, val alerts: List<AlertV1>, val exact: Boolean, val terminusArrival: Boolean ) { companion object { fun unmarshal(stream: InputStream): DepartureV5 { val reader = Reader(stream) val id = reader.readString() val time = Time.unmarshal(stream) val status = VehicleStatusV1.of(reader.readUInt().toULong().toUInt()) val isRealtime = reader.readBoolean() val vehicle = VehicleV3.unmarshal(stream) val boarding = reader.readU8() val alertsNum = reader.readUInt().toULong() val alerts = mutableListOf<AlertV1>() for (i in 0UL until alertsNum) { alerts.add(AlertV1.unmarshal(stream)) } val exact = reader.readBoolean() val terminusArrival = reader.readBoolean() return DepartureV5(id, time, status, isRealtime, vehicle, boarding, alerts, exact, terminusArrival) } } } @Parcelize data class StopV3( val code: String, val name: String, val nodeName: String, val zone: String, val feedID: String, val position: PositionV1, val changeOptions: List<ChangeOptionV2> ) : Parcelable, LocatableV4, QueryableV5 { companion object { fun unmarshal(stream: InputStream): StopV3 { val reader = Reader(stream) val code = reader.readString() val name = reader.readString() val nodeName = reader.readString() val zone = reader.readString() val feedID = reader.readString() val position = PositionV1.unmarshal(stream) val chOptionsNum = reader.readUInt().toULong() val changeOptions = mutableListOf<ChangeOptionV2>() for (i in 0UL until chOptionsNum) { changeOptions.add(ChangeOptionV2.unmarshal(stream)) } return StopV3( name = name, nodeName = nodeName, code = code, zone = zone, position = position, feedID = feedID, changeOptions = changeOptions ) } } } @Parcelize data class StopV2( val code: String, val name: String, val nodeName: String, val zone: String, val feedID: String, val position: PositionV1, val changeOptions: List<ChangeOptionV1> ) : QueryableV2, Parcelable, LocatableV2, QueryableV3, LocatableV3, QueryableV4 { companion object { fun unmarshal(stream: InputStream): StopV2 { val reader = Reader(stream) val code = reader.readString() val name = reader.readString() val nodeName = reader.readString() val zone = reader.readString() val feedID = reader.readString() val position = PositionV1.unmarshal(stream) val chOptionsNum = reader.readUInt().toULong() val changeOptions = mutableListOf<ChangeOptionV1>() for (i in 0UL until chOptionsNum) { changeOptions.add(ChangeOptionV1.unmarshal(stream)) } return StopV2( name = name, nodeName = nodeName, code = code, zone = zone, position = position, feedID = feedID, changeOptions = changeOptions ) } } } @Parcelize data class StopV1( val code: String, val name: String, val zone: String, val position: PositionV1, val changeOptions: List<ChangeOptionV1> ) : QueryableV1, Parcelable, LocatableV1 { companion object { fun unmarshal(stream: InputStream): StopV1 { val reader = Reader(stream) val code = reader.readString() val name = reader.readString() val zone = reader.readString() val position = PositionV1.unmarshal(stream) val chOptionsNum = reader.readUInt().toULong() val changeOptions = mutableListOf<ChangeOptionV1>() for (i in 0UL until chOptionsNum) { changeOptions.add(ChangeOptionV1.unmarshal(stream)) } return StopV1( name = name, code = code, zone = zone, position = position, changeOptions = changeOptions ) } } } data class LineV1( val name: String, val colour: ColourV1, val type: LineTypeV2, val feedID: String, val headsigns: List<List<String>>, val graphs: List<LineGraph>, ) : QueryableV2 { override fun toString(): String { return "$name ($type) [$colour]\n${headsigns.map { "-> ${it.joinToString()}" }}" } companion object { fun unmarshal(stream: InputStream): LineV1 { val reader = Reader(stream) val name = reader.readString() val colour = ColourV1.unmarshal(stream) val type = reader.readUInt() val feedID = reader.readString() var directionsNum = reader.readUInt().toULong() val headsigns = (0UL until directionsNum).map { val headsignsNum = reader.readUInt().toULong() val headsignsDir = mutableListOf<String>() for (j in 0UL until headsignsNum) { headsignsDir.add(reader.readString()) } headsignsDir } directionsNum = reader.readUInt().toULong() val graphs = mutableListOf<LineGraph>() for (i in 0UL until directionsNum) { graphs.add(LineGraph.unmarshal(stream)) } return LineV1( name = name, colour = colour, type = LineTypeV2.of(type.toULong().toUInt()), feedID = feedID, headsigns = headsigns, graphs = graphs ) } } } data class LineV2( val name: String, val colour: ColourV1, val type: LineTypeV3, val feedID: String, val headsigns: List<List<String>>, val graphs: List<LineGraph>, ) : QueryableV3 { override fun toString(): String { return "$name ($type) [$colour]\n${headsigns.map { "-> ${it.joinToString()}" }}" } companion object { fun unmarshal(stream: InputStream): LineV2 { val reader = Reader(stream) val name = reader.readString() val colour = ColourV1.unmarshal(stream) val type = reader.readUInt() val feedID = reader.readString() var directionsNum = reader.readUInt().toULong() val headsigns = (0UL until directionsNum).map { val headsignsNum = reader.readUInt().toULong() val headsignsDir = mutableListOf<String>() for (j in 0UL until headsignsNum) { headsignsDir.add(reader.readString()) } headsignsDir } directionsNum = reader.readUInt().toULong() val graphs = mutableListOf<LineGraph>() for (i in 0UL until directionsNum) { graphs.add(LineGraph.unmarshal(stream)) } return LineV2( name = name, colour = colour, type = LineTypeV3.of(type.toULong().toUInt()), feedID = feedID, headsigns = headsigns, graphs = graphs ) } } } data class LineV3( val id: String, val name: String, val colour: ColourV1, val type: LineTypeV3, val feedID: String, val headsigns: List<List<String>>, val graphs: List<LineGraph>, ) : QueryableV4, QueryableV5 { override fun toString(): String { return "$name ($type) [$colour]\n${headsigns.map { "-> ${it.joinToString()}" }}" } companion object { fun unmarshal(stream: InputStream): LineV3 { val reader = Reader(stream) val id = reader.readString() val name = reader.readString() val colour = ColourV1.unmarshal(stream) val type = reader.readUInt() val feedID = reader.readString() var directionsNum = reader.readUInt().toULong() val headsigns = (0UL until directionsNum).map { val headsignsNum = reader.readUInt().toULong() val headsignsDir = mutableListOf<String>() for (j in 0UL until headsignsNum) { headsignsDir.add(reader.readString()) } headsignsDir } directionsNum = reader.readUInt().toULong() val graphs = mutableListOf<LineGraph>() for (i in 0UL until directionsNum) { graphs.add(LineGraph.unmarshal(stream)) } return LineV3( id = id, name = name, colour = colour, type = LineTypeV3.of(type.toULong().toUInt()), feedID = feedID, headsigns = headsigns, graphs = graphs ) } } } enum class LineTypeV1 { UNKNOWN, TRAM, BUS; companion object { fun of(type: UInt): LineTypeV1 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("TRAM") 2u -> valueOf("BUS") else -> throw UnknownResourceVersionException("LineType/$type", 1u) } } } } enum class LineTypeV2 { UNKNOWN, TRAM, BUS, TROLLEYBUS; companion object { fun of(type: UInt): LineTypeV2 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("TRAM") 2u -> valueOf("BUS") 3u -> valueOf("TROLLEYBUS") else -> throw UnknownResourceVersionException("LineType/$type", 2u) } } } } enum class LineTypeV3 { UNKNOWN, TRAM, BUS, TROLLEYBUS, METRO, RAIL, FERRY, CABLE_TRAM, CABLE_CAR, FUNICULAR, MONORAIL; companion object { fun of(type: UInt): LineTypeV3 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("TRAM") 2u -> valueOf("BUS") 3u -> valueOf("TROLLEYBUS") 4u -> valueOf("METRO") 5u -> valueOf("RAIL") 6u -> valueOf("FERRY") 7u -> valueOf("CABLE_TRAM") 8u -> valueOf("CABLE_CAR") 9u -> valueOf("FUNICULAR") 10u -> valueOf("MONORAIL") else -> throw UnknownResourceVersionException("LineType/$type", 3u) } } } } @Parcelize data class ChangeOptionV2(val line: LineStubV1, val headsigns: List<String>) : Parcelable { companion object { fun unmarshal(stream: InputStream): ChangeOptionV2 { val reader = Reader(stream) val line = LineStubV1.unmarshal(stream) val headsignsNum = reader.readUInt().toULong().toInt() val headsigns = (0 until headsignsNum).map { reader.readString() } return ChangeOptionV2(line = line, headsigns = headsigns) } } } @Parcelize data class ChangeOptionV1(val line: String, val headsign: String) : Parcelable { companion object { fun unmarshal(stream: InputStream): ChangeOptionV1 { val reader = Reader(stream) return ChangeOptionV1(line = reader.readString(), headsign = reader.readString()) } } } data class LineGraph( val stops: List<StopStub>, val nextNodes: Map<Long, List<Long>> ) { companion object { fun unmarshal(stream: InputStream): LineGraph { val reader = Reader(stream) val stopsNum = reader.readUInt().toULong() val stops = mutableListOf<StopStub>() for (i in 0UL until stopsNum) { stops.add(StopStub.unmarshal(stream)) } val nextNodesNum = reader.readUInt().toULong() val nextNodes = mutableMapOf<Long, List<Long>>() for (i in 0UL until nextNodesNum) { val from = reader.readInt().toLong() val toNum = reader.readUInt().toULong() val to = mutableListOf<Long>() for (j in 0UL until toNum) { to.add(reader.readInt().toLong()) } nextNodes[from] = to } return LineGraph(stops = stops, nextNodes = nextNodes) } } } data class StopStub( val code: String, val name: String, val nodeName: String, val zone: String, val onDemand: Boolean ) { companion object { fun unmarshal(stream: InputStream): StopStub { val reader = Reader(stream) return StopStub( code = reader.readString(), name = reader.readString(), nodeName = reader.readString(), zone = reader.readString(), onDemand = reader.readBoolean() ) } } } |