LibreTube/app/src/main/java/com/github/libretube/services/DownloadService.kt

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Kotlin
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package com.github.libretube.services
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import android.app.DownloadManager
import android.app.Service
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import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.net.Uri
import android.os.Build
import android.os.IBinder
import android.util.Log
import androidx.core.app.NotificationCompat
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import androidx.core.app.NotificationManagerCompat
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import com.github.libretube.Globals
import com.github.libretube.R
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import com.github.libretube.constants.DOWNLOAD_CHANNEL_ID
import com.github.libretube.constants.DOWNLOAD_FAILURE_NOTIFICATION_ID
import com.github.libretube.constants.DOWNLOAD_SUCCESS_NOTIFICATION_ID
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import com.github.libretube.extensions.TAG
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import com.github.libretube.obj.DownloadType
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import java.io.File
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class DownloadService : Service() {
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private lateinit var notification: NotificationCompat.Builder
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private var downloadId: Long = -1
private lateinit var videoName: String
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private lateinit var videoUrl: String
private lateinit var audioUrl: String
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private var downloadType: Int = 3
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private lateinit var downloadDir: File
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override fun onCreate() {
super.onCreate()
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Globals.IS_DOWNLOAD_RUNNING = true
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}
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override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
videoName = intent?.getStringExtra("videoName")!!
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videoUrl = intent.getStringExtra("videoUrl")!!
audioUrl = intent.getStringExtra("audioUrl")!!
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downloadType = if (audioUrl != "") {
DownloadType.AUDIO
} else if (videoUrl != "") {
DownloadType.VIDEO
} else {
DownloadType.NONE
}
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if (downloadType != DownloadType.NONE) {
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downloadManager()
} else {
onDestroy()
}
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return super.onStartCommand(intent, flags, startId)
}
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override fun onBind(intent: Intent?): IBinder? {
TODO("Not yet implemented")
}
private fun downloadManager() {
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downloadDir = File(
this.getExternalFilesDir(null),
"video"
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)
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if (!downloadDir.exists()) downloadDir.mkdirs()
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// start download
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try {
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registerReceiver(
onDownloadComplete,
IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)
)
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when (downloadType) {
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DownloadType.VIDEO -> {
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downloadId = downloadManagerRequest(
getString(R.string.video),
getString(R.string.downloading),
videoUrl,
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Uri.fromFile(
File(downloadDir, videoName)
)
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)
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}
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DownloadType.AUDIO -> {
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downloadId = downloadManagerRequest(
getString(R.string.audio),
getString(R.string.downloading),
audioUrl,
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Uri.fromFile(
File(downloadDir, videoName)
)
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)
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}
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}
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} catch (e: IllegalArgumentException) {
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Log.e(TAG(), "download error $e")
downloadFailedNotification()
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}
}
private val onDownloadComplete: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context, intent: Intent) {
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// Fetching the download id received with the broadcast
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val id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1)
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// Checking if the received broadcast is for our enqueued download by matching download id
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if (downloadId != id) return
downloadSucceededNotification()
onDestroy()
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}
}
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private fun downloadManagerRequest(
title: String,
descriptionText: String,
url: String,
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destination: Uri
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): Long {
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val request: DownloadManager.Request =
DownloadManager.Request(Uri.parse(url))
.setTitle(title) // Title of the Download Notification
.setDescription(descriptionText) // Description of the Download Notification
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.setDestinationUri(destination)
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.setAllowedOverMetered(true) // Set if download is allowed on Mobile network
.setAllowedOverRoaming(true) //
val downloadManager: DownloadManager =
applicationContext.getSystemService(DOWNLOAD_SERVICE) as DownloadManager
return downloadManager.enqueue(request)
}
private fun downloadFailedNotification() {
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val builder = NotificationCompat.Builder(this@DownloadService, DOWNLOAD_CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_download)
.setContentTitle(resources.getString(R.string.downloadfailed))
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.setContentText(getString(R.string.fail))
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.setPriority(NotificationCompat.PRIORITY_HIGH)
with(NotificationManagerCompat.from(this@DownloadService)) {
// notificationId is a unique int for each notification that you must define
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notify(DOWNLOAD_FAILURE_NOTIFICATION_ID, builder.build())
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}
}
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private fun downloadSucceededNotification() {
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Log.i(TAG(), "Download succeeded")
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val builder = NotificationCompat.Builder(this@DownloadService, DOWNLOAD_CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_download)
.setContentTitle(resources.getString(R.string.success))
.setContentText(getString(R.string.downloadsucceeded))
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.setPriority(NotificationCompat.PRIORITY_HIGH)
with(NotificationManagerCompat.from(this@DownloadService)) {
// notificationId is a unique int for each notification that you must define
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notify(DOWNLOAD_SUCCESS_NOTIFICATION_ID, builder.build())
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}
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}
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override fun onDestroy() {
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try {
unregisterReceiver(onDownloadComplete)
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} catch (e: Exception) {
}
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Globals.IS_DOWNLOAD_RUNNING = false
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Log.d(TAG(), "dl finished!")
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
stopForeground(STOP_FOREGROUND_REMOVE)
} else {
@Suppress("DEPRECATION")
stopForeground(true)
}
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stopService(Intent(this@DownloadService, DownloadService::class.java))
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super.onDestroy()
}
}