ref: 9f5be268ff5be69c26a3899905c6af696cfbe599
app/src/main/java/ml/adamsprogs/bimba/models/Favourite.kt
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package ml.adamsprogs.bimba.models import android.content.* import android.os.* import ml.adamsprogs.bimba.* import ml.adamsprogs.bimba.datasources.VmClient import ml.adamsprogs.bimba.models.gtfs.AgencyAndId import java.io.File import java.math.BigInteger import java.security.SecureRandom import java.util.Calendar import kotlin.collections.* class Favourite : Parcelable, MessageReceiver.OnVmListener { private var isRegisteredOnVmListener: Boolean = false private val cacheDir: File var name: String private set var segments: HashSet<StopSegment> private set private var vmDepartures = HashMap<Plate.ID, List<Departure>>() var fullDepartures: Map<AgencyAndId, List<Departure>> = HashMap() private set val timetable = Timetable.getTimetable() val size get() = segments.sumBy { it.size } val isBackedByVm get() = vmDepartures.isNotEmpty() private val onVmPreparedListeners = HashSet<OnVmPreparedListener>() fun addOnVmPreparedListener(listener: OnVmPreparedListener) { onVmPreparedListeners.add(listener) } fun removeOnVmPreparedListener(listener: OnVmPreparedListener) { onVmPreparedListeners.remove(listener) } constructor(parcel: Parcel) { this.name = parcel.readString() @Suppress("UNCHECKED_CAST") val set = HashSet<StopSegment>() val array = parcel.readParcelableArray(StopSegment::class.java.classLoader) array.forEach { set.add(it as StopSegment) } this.segments = set this.cacheDir = File(parcel.readString()) val mapDir = File(parcel.readString()) val mapString = mapDir.readText() val ile = mapString.length / 1024 for (i in 0 until ile) { println(mapString.slice(1024 * i until 1024 * (i+1))) } println(mapString) val map = HashMap<AgencyAndId, List<Departure>>() mapString.safeSplit("%").forEach { val (k, v) = it.split("#") map[AgencyAndId(k)] = v.split("&").map { Departure.fromString(it) } } this.fullDepartures = map mapDir.delete() } constructor(name: String, segments: HashSet<StopSegment>, cache: Map<AgencyAndId, List<Departure>>, context: Context) { this.fullDepartures = cache this.name = name this.segments = segments this.cacheDir = context.cacheDir } constructor(name: String, timetables: HashSet<StopSegment>, context: Context) { this.name = name this.segments = timetables this.cacheDir = context.cacheDir } override fun describeContents(): Int { return Parcelable.CONTENTS_FILE_DESCRIPTOR } override fun writeToParcel(dest: Parcel?, flags: Int) { dest?.writeString(name) val parcelableSegments = segments.map { it }.toTypedArray() dest?.writeParcelableArray(parcelableSegments, flags) dest?.writeString(cacheDir.absolutePath) val bytes = ByteArray(4) { 0 } SecureRandom().nextBytes(bytes) val mapFile = File(cacheDir, BigInteger(1, bytes).toString(16)) dest?.writeString(mapFile.absolutePath) var isFirst = true var map = "" fullDepartures.forEach { if (isFirst) isFirst = false else map += '%' map += "${it.key}#${it.value.joinToString("&") { it.toString() }}" } mapFile.writeText(map) } private fun filterVmDepartures() { val now = Calendar.getInstance().secondsAfterMidnight() this.vmDepartures.forEach { val newVms = it.value .filter { it.timeTill(now) >= 0 }.sortedBy { it.timeTill(now) } this.vmDepartures[it.key] = newVms } } fun delete(plateId: Plate.ID) { segments.forEach { it.remove(plateId) } removeFromCache(plateId) } fun registerOnVm(receiver: MessageReceiver, context: Context) { if (!isRegisteredOnVmListener) { receiver.addOnVmListener(this) isRegisteredOnVmListener = true segments.forEach { val intent = Intent(context, VmClient::class.java) intent.putExtra("stop", it) intent.action = "request" context.startService(intent) } } } fun deregisterOnVm(receiver: MessageReceiver, context: Context) { if (isRegisteredOnVmListener) { receiver.removeOnVmListener(this) isRegisteredOnVmListener = false segments.forEach { val intent = Intent(context, VmClient::class.java) intent.putExtra("stop", it) intent.action = "remove" context.startService(intent) } } } fun rename(newName: String) { name = newName } companion object CREATOR : Parcelable.Creator<Favourite> { override fun createFromParcel(parcel: Parcel): Favourite { return Favourite(parcel) } override fun newArray(size: Int): Array<Favourite?> { return arrayOfNulls(size) } } fun nextDeparture(): Departure? { val now = Calendar.getInstance().secondsAfterMidnight() filterVmDepartures() if (segments.isEmpty() && vmDepartures.isEmpty()) return null if (vmDepartures.isNotEmpty()) { return vmDepartures.flatMap { it.value } .minBy { it.timeTill(now) } } val full = fullTimetable() val twoDayDepartures = try { Departure.rollDepartures(full)[timetable.getServiceForToday()] } catch (e: IllegalArgumentException) { listOf<Departure>() } if (twoDayDepartures?.isEmpty() != false) return null return twoDayDepartures[0] } fun allDepartures(): Map<AgencyAndId, List<Departure>> { if (vmDepartures.isNotEmpty()) { val now = Calendar.getInstance().secondsAfterMidnight() val departures = HashMap<AgencyAndId, List<Departure>>() val today = timetable.getServiceForToday() departures[today] = vmDepartures.flatMap { it.value }.sortedBy { it.timeTill(now) } return departures } val departures = fullTimetable() return Departure.rollDepartures(departures) } fun fullTimetable() = if (fullDepartures.isNotEmpty()) fullDepartures else { fullDepartures = timetable.getStopDeparturesBySegments(segments) fullDepartures } override fun onVm(vmDepartures: Set<Departure>?, plateId: Plate.ID) { val now = Calendar.getInstance().secondsAfterMidnight() if (segments.any { it.contains(plateId) }) { if (vmDepartures == null) this.vmDepartures.remove(plateId) else this.vmDepartures[plateId] = vmDepartures.sortedBy { it.timeTill(now) } } filterVmDepartures() onVmPreparedListeners.forEach { it.onVmPrepared() } } private fun removeFromCache(plate: Plate.ID) { val map = HashMap<AgencyAndId, List<Departure>>() fullDepartures fullDepartures.forEach { map[it.key] = it.value.filter { plate.line != it.line || plate.headsign != it.headsign } } fullDepartures = map } interface OnVmPreparedListener { fun onVmPrepared() } } |