ref: 73cee3f10cf4b89f2e742db807d8f12bf4484548
app/src/main/java/xyz/apiote/bimba/czwek/api/Structs.kt
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package xyz.apiote.bimba.czwek.api import android.graphics.* import android.os.Parcelable import android.util.Log import kotlinx.parcelize.Parcelize import org.yaml.snakeyaml.Yaml import xyz.apiote.fruchtfleisch.Reader import java.io.InputStream import java.time.ZonedDateTime import java.time.format.DateTimeFormatter import java.time.format.FormatStyle import java.util.* class TrafficFormatException(override val message: String) : IllegalArgumentException() class UnknownResourceVersion(val resource: String, val version: ULong) : Exception() 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() ) } } } data class FeedInfoV1( val name: String, val id: String, val attribution: String, val description: String, val lastUpdate: ZonedDateTime ) { companion object { fun unmarshal(stream: InputStream): FeedInfoV1 { val reader = Reader(stream) return FeedInfoV1( reader.readString(), reader.readString(), reader.readString(), reader.readString(), ZonedDateTime.parse(reader.readString(), DateTimeFormatter.ISO_DATE_TIME) ) } } fun formatDate(): String { return lastUpdate.format( DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL).withLocale(Locale.getDefault()) ) } } data class AlertV1( val header: String, val Description: String, val Url: String, val Cause: ULong, // todo [3.1] enum val Effect: ULong // todo [3.1] enum ) { companion object { fun unmarshal(stream: InputStream): AlertV1 { val reader = Reader(stream) val header = reader.readString() val description = reader.readString() val url = reader.readString() val cause = reader.readUInt().toULong() val effect = reader.readUInt().toULong() return AlertV1(header, description, url, cause, effect) } } } 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() ) } } } data class ColourV1(val R: UByte, val G: UByte, val B: UByte) { companion object { fun unmarshal(stream: InputStream): ColourV1 { val reader = Reader(stream) return ColourV1( reader.readU8(), reader.readU8(), reader.readU8() ) } } } data class VehicleV1( val ID: String, val Position: PositionV1, val Capabilities: UShort, val Speed: Float, val Line: LineStubV1, val Headsign: String, val CongestionLevel: ULong, val OccupancyStatus: ULong ):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(), reader.readUInt().toULong(), reader.readUInt().toULong() ) } } } data class VehicleV2( val ID: String, val Position: PositionV1, val Capabilities: UShort, val Speed: Float, val Line: LineStubV2, val Headsign: String, val CongestionLevel: ULong, val OccupancyStatus: ULong ): 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(), reader.readUInt().toULong(), reader.readUInt().toULong() ) } } } data class LineStubV1( val name: String, val kind: LineTypeV1, val colour: ColourV1 ) { 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 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) } } } @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 { 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 colour: ColourV1, val type: LineTypeV1, val headsignsThere: List<String>, val headsignsBack: List<String>, val graphThere: LineGraph, val graphBack: LineGraph, val name: String ) : QueryableV2 { override fun toString(): String { return "$name ($type) [$colour]\n→ [${headsignsThere.joinToString()}]\n→ [${headsignsBack.joinToString()}]\n" } companion object { fun unmarshal(stream: InputStream): LineV1 { val reader = Reader(stream) val colour = ColourV1.unmarshal(stream) val type = reader.readUInt() val headsignsThereNum = reader.readUInt().toULong() val headsignsThere = mutableListOf<String>() for (i in 0UL until headsignsThereNum) { headsignsThere.add(reader.readString()) } val headsignsBackNum = reader.readUInt().toULong() val headsignsBack = mutableListOf<String>() for (i in 0UL until headsignsBackNum) { headsignsBack.add(reader.readString()) } val graphThere = LineGraph.unmarshal(stream) val graphBack = LineGraph.unmarshal(stream) val name = reader.readString() return LineV1( name = name, colour = colour, type = LineTypeV1.of(type.toULong().toUInt()), headsignsThere = headsignsThere, headsignsBack = headsignsBack, graphThere = graphThere, graphBack = graphBack ) } } } 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 UnknownResourceVersion("LineType/$type", 1u) } } } } enum class LineTypeV2 { UNKNOWN, TRAM, BUS, TROLLEYBUS; companion object { fun of(type: UInt): LineTypeV2 { return when (type) { 0u -> valueOf("UNKNOWN") 1u -> valueOf("TRAM") 2u -> valueOf("BUS") 3u -> valueOf("TROLLEYBUS") else -> throw UnknownResourceVersion("LineType/$type", 1u) } } } } @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>>, val prevNodes: 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 } val prevNodesNum = reader.readUInt().toULong() val prevNodes = mutableMapOf<Long, List<Long>>() for (i in 0UL until prevNodesNum) { 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()) } prevNodes[from] = to } return LineGraph(stops = stops, nextNodes = nextNodes, prevNodes = prevNodes) } } } data class StopStub(val name: String, val code: 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(), zone = reader.readString(), onDemand = reader.readBoolean() ) } } } |