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download system done?

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This commit is contained in:
LagradOst 2021-07-05 22:28:50 +02:00
parent 18a727abe5
commit 5536f41ecb
2 changed files with 101 additions and 22 deletions
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2
app/src/main/java/com/lagradost/cloudstream3/services/VideoDownloadService.kt
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@ -16,7 +16,7 @@ class VideoDownloadService : IntentService("VideoDownloadService") {
"stop" -> VideoDownloadManager.DownloadActionType.Stop
else -> return
}
VideoDownloadManager.events.invoke(Pair(id, state))
VideoDownloadManager.downloadEvent.invoke(Pair(id, state))
}
}
}

121
app/src/main/java/com/lagradost/cloudstream3/utils/VideoDownloadManager.kt
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@ -23,6 +23,7 @@ import com.lagradost.cloudstream3.mvvm.logError
import com.lagradost.cloudstream3.mvvm.normalSafeApiCall
import com.lagradost.cloudstream3.services.VideoDownloadService
import com.lagradost.cloudstream3.utils.Coroutines.main
import com.lagradost.cloudstream3.utils.DataStore.getKey
import com.lagradost.cloudstream3.utils.DataStore.removeKey
import com.lagradost.cloudstream3.utils.DataStore.setKey
import kotlinx.coroutines.Dispatchers
@ -41,7 +42,7 @@ const val CHANNEL_DESCRIPT = "The download notification channel"
object VideoDownloadManager {
var maxConcurrentDownloads = 3
private var currentDownloads: Int = 0
private var currentDownloads = mutableListOf<Int>()
private const val USER_AGENT =
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
@ -106,6 +107,17 @@ object VideoDownloadManager {
val linkIndex: Int?,
)
data class DownloadedFileInfo(
val totalBytes: Long,
val relativePath: String,
val displayName: String,
)
data class DownloadedFileInfoResult(
val totalBytes: Long,
val path: Uri,
)
private const val SUCCESS_DOWNLOAD_DONE = 1
private const val SUCCESS_STOPPED = 2
private const val ERROR_DELETING_FILE = -1
@ -118,9 +130,11 @@ object VideoDownloadManager {
private const val ERROR_CONTENT_RESOLVER_CANT_OPEN_STREAM = -8
private const val ERROR_CONTENT_RESOLVER_NOT_FOUND = -9
private const val KEY_RESUME_STORAGE = "download_resume"
private const val KEY_RESUME_PACKAGES = "download_resume"
private const val KEY_DOWNLOAD_INFO = "download_info"
val events = Event<Pair<Int, DownloadActionType>>()
val downloadEvent = Event<Pair<Int, DownloadActionType>>()
val downloadProgressEvent = Event<Pair<Int, Long>>()
private val downloadQueue = LinkedList<DownloadResumePackage>()
private var hasCreatedNotChanel = false
@ -281,7 +295,7 @@ object VideoDownloadManager {
val pending: PendingIntent = PendingIntent.getService(
// BECAUSE episodes lying near will have the same id +1, index will give the same requested as the previous episode, *100000 fixes this
context, (4337 + index*100000 + ep.id),
context, (4337 + index * 100000 + ep.id),
actionResultIntent,
PendingIntent.FLAG_UPDATE_CURRENT
)
@ -322,15 +336,6 @@ object VideoDownloadManager {
return tempName.replace(" ", " ").trim(' ')
}
private const val reservedCharsPath = "|\\?*<\":>+[]\'"
fun sanitizePath(name: String): String {
var tempName = name
for (c in reservedCharsPath) {
tempName = tempName.replace(c, ' ')
}
return tempName.replace(" ", " ").trim(' ')
}
@RequiresApi(Build.VERSION_CODES.Q)
private fun ContentResolver.getExistingDownloadUriOrNullQ(relativePath: String, displayName: String): Uri? {
val projection = arrayOf(
@ -364,6 +369,12 @@ object VideoDownloadManager {
return null
}
@RequiresApi(Build.VERSION_CODES.Q)
fun ContentResolver.getFileLength(fileUri: Uri): Long {
return this.openFileDescriptor(fileUri, "r")
.use { it?.statSize ?: 0 }
}
private fun isScopedStorage(): Boolean {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q
}
@ -406,8 +417,7 @@ object VideoDownloadManager {
cr.getExistingDownloadUriOrNullQ(relativePath, displayName) // CURRENT FILE WITH THE SAME PATH
fileLength =
if (currentExistingFile == null || !resume) 0 else cr.openFileDescriptor(currentExistingFile, "r")
.use { it?.statSize ?: 0 } // IF NOT RESUME THEN 0, OTHERWISE THE CURRENT FILE SIZE
if (currentExistingFile == null || !resume) 0 else cr.getFileLength(currentExistingFile) // IF NOT RESUME THEN 0, OTHERWISE THE CURRENT FILE SIZE
if (!resume && currentExistingFile != null) { // DELETE FILE IF FILE EXITS AND NOT RESUME
val rowsDeleted = context.contentResolver.delete(currentExistingFile, null, null)
@ -476,6 +486,8 @@ object VideoDownloadManager {
val bytesTotal = contentLength + resumeLength
if (bytesTotal < 5000000) return ERROR_TOO_SMALL_CONNECTION // DATA IS LESS THAN 5MB, SOMETHING IS WRONG
context.setKey(KEY_DOWNLOAD_INFO, ep.id.toString(), DownloadedFileInfo(bytesTotal, relativePath, displayName))
// Could use connection.contentType for mime types when creating the file,
// however file is already created and players don't go of file type
@ -517,7 +529,7 @@ object VideoDownloadManager {
)
}
events += { event ->
downloadEvent += { event ->
if (event.first == ep.id) {
when (event.second) {
DownloadActionType.Pause -> {
@ -545,12 +557,14 @@ object VideoDownloadManager {
}
}
val id = ep.id
// THE REAL READ
try {
while (true) {
count = connectionInputStream.read(buffer)
if (count < 0) break
bytesDownloaded += count
downloadProgressEvent.invoke(Pair(id, bytesDownloaded))
while (isPaused) {
sleep(100)
if (isStopped) {
@ -589,10 +603,15 @@ object VideoDownloadManager {
}
private fun downloadCheck(context: Context) {
if (currentDownloads < maxConcurrentDownloads && downloadQueue.size > 0) {
currentDownloads++
if (currentDownloads.size < maxConcurrentDownloads && downloadQueue.size > 0) {
val pkg = downloadQueue.removeFirst()
val item = pkg.item
val id = item.ep.id
if (currentDownloads.contains(id)) { // IF IT IS ALREADY DOWNLOADING, RESUME IT
downloadEvent.invoke(Pair(id, DownloadActionType.Resume))
return
}
currentDownloads.add(id)
main {
try {
@ -600,27 +619,87 @@ object VideoDownloadManager {
val link = item.links[index]
val resume = pkg.linkIndex == index
context.setKey(KEY_RESUME_STORAGE, item.ep.id.toString(), DownloadResumePackage(item, index))
context.setKey(KEY_RESUME_PACKAGES, id.toString(), DownloadResumePackage(item, index))
val connectionResult = withContext(Dispatchers.IO) {
normalSafeApiCall {
downloadSingleEpisode(context, item.source, item.folder, item.ep, link, resume)
}
}
if (connectionResult != null && connectionResult > 0) { // SUCCESS
context.removeKey(KEY_RESUME_STORAGE, item.ep.id.toString())
context.removeKey(KEY_RESUME_PACKAGES, id.toString())
break
}
}
} catch (e: Exception) {
logError(e)
} finally {
currentDownloads--
currentDownloads.remove(id)
downloadCheck(context)
}
}
}
}
fun getDownloadFileInfoAndUpdateSettings(context: Context, id: Int): DownloadedFileInfoResult? {
val res = getDownloadFileInfo(context, id)
if (res == null) context.removeKey(KEY_DOWNLOAD_INFO, id.toString())
return res
}
private fun getDownloadFileInfo(context: Context, id: Int): DownloadedFileInfoResult? {
val info = context.getKey<DownloadedFileInfo>(KEY_DOWNLOAD_INFO, id.toString()) ?: return null
if (isScopedStorage()) {
val cr = context.contentResolver ?: return null
val fileUri =
cr.getExistingDownloadUriOrNullQ(info.relativePath, info.displayName) ?: return null
val fileLength = cr.getFileLength(fileUri)
if (fileLength == 0L) return null
return DownloadedFileInfoResult(fileLength, fileUri)
} else {
val normalPath =
"${Environment.getExternalStorageDirectory()}${File.separatorChar}${info.relativePath}${info.displayName}".replace(
'/',
File.separatorChar
)
val dFile = File(normalPath)
if (!dFile.exists()) return null
return DownloadedFileInfoResult(dFile.length(), dFile.toUri())
}
}
fun deleteFileAndUpdateSettings(context: Context, id: Int): Boolean {
val success = deleteFile(context, id)
if (success) context.removeKey(KEY_DOWNLOAD_INFO, id.toString())
return success
}
private fun deleteFile(context: Context, id: Int): Boolean {
val info = context.getKey<DownloadedFileInfo>(KEY_DOWNLOAD_INFO, id.toString()) ?: return false
if (isScopedStorage()) {
val cr = context.contentResolver ?: return false
val fileUri =
cr.getExistingDownloadUriOrNullQ(info.relativePath, info.displayName)
?: return true // FILE NOT FOUND, ALREADY DELETED
return cr.delete(fileUri, null, null) > 0 // IF DELETED ROWS IS OVER 0
} else {
val normalPath =
"${Environment.getExternalStorageDirectory()}${File.separatorChar}${info.relativePath}${info.displayName}".replace(
'/',
File.separatorChar
)
val dFile = File(normalPath)
if (!dFile.exists()) return true
return dFile.delete()
}
}
fun getDownloadResumePackage(context: Context, id: Int): DownloadResumePackage? {
return context.getKey(KEY_RESUME_PACKAGES, id.toString())
}
fun downloadFromResume(context: Context, pkg: DownloadResumePackage) {
downloadQueue.addLast(pkg)
downloadCheck(context)