ref: 0e81eac749c7279b4001a3e11fbba63c668977ae
app/src/main/java/ml/adamsprogs/bimba/datasources/TimetableDownloader.kt
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 |
package ml.adamsprogs.bimba.datasources import android.annotation.TargetApi import android.app.IntentService import android.app.Notification import android.content.Context import android.content.Intent import android.support.v4.app.NotificationCompat import java.io.* import android.app.NotificationManager import android.os.Build import com.univocity.parsers.csv.CsvWriter import com.univocity.parsers.csv.CsvWriterSettings import ir.mahdi.mzip.zip.ZipArchive import ml.adamsprogs.bimba.NetworkStateReceiver import ml.adamsprogs.bimba.NotificationChannels import ml.adamsprogs.bimba.R import ml.adamsprogs.bimba.models.Timetable import org.supercsv.io.CsvListReader import org.supercsv.prefs.CsvPreference import java.net.* import java.util.* class TimetableDownloader : IntentService("TimetableDownloader") { companion object { const val ACTION_DOWNLOADED = "ml.adamsprogs.bimba.timetableDownloaded" const val EXTRA_FORCE = "force" const val EXTRA_RESULT = "result" const val RESULT_NO_CONNECTIVITY = "no connectivity" const val RESULT_UP_TO_DATE = "up-to-date" const val RESULT_DOWNLOADED = "downloaded" const val RESULT_FINISHED = "finished" } private lateinit var notificationManager: NotificationManager private var size: Int = 0 override fun onHandleIntent(intent: Intent?) { //fixme throws something if (intent != null) { notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager val prefs = this.getSharedPreferences("ml.adamsprogs.bimba.prefs", Context.MODE_PRIVATE)!! if (!NetworkStateReceiver.isNetworkAvailable(this)) { sendResult(RESULT_NO_CONNECTIVITY) return } val url = URL("http://ztm.poznan.pl/pl/dla-deweloperow/getGTFSFile") val httpCon = url.openConnection() as HttpURLConnection if (httpCon.responseCode != HttpURLConnection.HTTP_OK) { //IOEXCEPTION or EOFEXCEPTION or ConnectException sendResult(RESULT_NO_CONNECTIVITY) return } val lastModified = httpCon.getHeaderField("Content-Disposition").split("=")[1].trim('\"').split("_")[0] size = httpCon.getHeaderField("Content-Length").toInt() / 1024 val force = intent.getBooleanExtra(EXTRA_FORCE, false) val currentLastModified = prefs.getString("timetableLastModified", "19791012") if (lastModified <= currentLastModified && lastModified <= today() && !force) { sendResult(RESULT_UP_TO_DATE) return } notify(0, getString(R.string.timetable_downloading), size) val gtfs = File(this.filesDir, "timetable.zip") copyInputStreamToFile(httpCon.inputStream, gtfs) val prefsEditor = prefs.edit() prefsEditor.putString("timetableLastModified", lastModified) prefsEditor.apply() sendResult(RESULT_DOWNLOADED) notify(getString(R.string.timetable_converting)) val target = File(this.filesDir, "gtfs_files") target.deleteRecursively() target.mkdir() ZipArchive.unzip(gtfs.path, target.path, "") val stopTimesFile = File(filesDir, "gtfs_files/stop_times.txt") val reader = CsvListReader(FileReader(stopTimesFile), CsvPreference.STANDARD_PREFERENCE) val header = reader.getHeader(true) val headers = HashMap<String, Boolean>() val mapReader = CsvListReader(FileReader(stopTimesFile), CsvPreference.STANDARD_PREFERENCE) val string = getString(R.string.timetable_converting) notify(0, string, 1_030_000) println(Calendar.getInstance().timeInMillis) var row: List<Any>? = null while ({ row = mapReader.read(); row }() != null) { val stopId = row!![3] as String val outFile = File(filesDir, "gtfs_files/stop_times_$stopId.txt") val writer = CsvWriter(CsvWriterSettings()) if (headers[stopId] == null) { val h = writer.writeHeadersToString(header.asList()) outFile.appendText("$h\r\n") headers[stopId] = true } if (mapReader.rowNumber % 10_300 == 0) notify(mapReader.rowNumber, string, 1_030_000) val line = writer.writeRowToString(row!!) outFile.appendText("$line\r\n") } mapReader.close() gtfs.delete() stopTimesFile.delete() Timetable.getTimetable(this).refresh() println(Calendar.getInstance().timeInMillis) cancelNotification() sendResult(RESULT_FINISHED) } } private fun today(): String { val cal = Calendar.getInstance() val d = cal[Calendar.DAY_OF_MONTH] val m = cal[Calendar.MONTH] + 1 val y = cal[Calendar.YEAR] return "%d%02d%02d".format(y, m, d) } private fun sendResult(result: String) { val broadcastIntent = Intent() broadcastIntent.action = ACTION_DOWNLOADED broadcastIntent.addCategory(Intent.CATEGORY_DEFAULT) broadcastIntent.putExtra(EXTRA_RESULT, result) sendBroadcast(broadcastIntent) } private fun notify(progress: Int, message: String, max: Int) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) notifyCompat(progress, message, max) else notifyStandard(progress, message, max) } @Suppress("DEPRECATION") private fun notifyCompat(progress: Int, message: String, max: Int) { val builder = NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_download) .setContentTitle(message) .setContentText("${(progress.toDouble() / max.toDouble() * 100).toInt()} %") .setCategory(NotificationCompat.CATEGORY_PROGRESS) .setOngoing(true) .setProgress(max, progress, false) notificationManager.notify(42, builder.build()) } @TargetApi(Build.VERSION_CODES.O) private fun notifyStandard(progress: Int, message: String, max: Int) { NotificationChannels.makeChannel(NotificationChannels.CHANNEL_UPDATES, "Updates", notificationManager) val builder = Notification.Builder(this, NotificationChannels.CHANNEL_UPDATES) .setSmallIcon(R.drawable.ic_download) .setContentTitle(message) .setContentText("${(progress.toDouble() / max.toDouble() * 100).toInt()} %") .setCategory(Notification.CATEGORY_PROGRESS) .setOngoing(true) .setProgress(max, progress, false) notificationManager.notify(42, builder.build()) } private fun notify(message: String) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) notifyCompat(message) else notifyStandard(message) } @Suppress("DEPRECATION") private fun notifyCompat(message: String) { val builder = NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_download) .setContentTitle(message) .setContentText("") .setCategory(NotificationCompat.CATEGORY_PROGRESS) .setOngoing(true) .setProgress(0, 0, true) notificationManager.notify(42, builder.build()) } @TargetApi(Build.VERSION_CODES.O) private fun notifyStandard(message: String) { NotificationChannels.makeChannel(NotificationChannels.CHANNEL_UPDATES, "Updates", notificationManager) val builder = Notification.Builder(this, NotificationChannels.CHANNEL_UPDATES) .setSmallIcon(R.drawable.ic_download) .setContentTitle(message) .setContentText("") .setCategory(Notification.CATEGORY_PROGRESS) .setOngoing(true) .setProgress(0, 0, true) notificationManager.notify(42, builder.build()) } private fun cancelNotification() { notificationManager.cancel(42) } private fun copyInputStreamToFile(ins: InputStream, file: File) { try { val out = FileOutputStream(file) val buf = ByteArray(5 * 1024) var lenSum = 0.0f var len = 42 while (len > 0) { len = ins.read(buf) if (len <= 0) break out.write(buf, 0, len) lenSum += len.toFloat() / 1024.0f notify(lenSum.toInt(), getString(R.string.timetable_downloading), size) } out.close() } catch (e: Exception) { e.printStackTrace() } finally { ins.close() } } } |