Update:Android support storing downloads to internal app storage #635

android/app/src/main/java/com/audiobookshelf/app/device/FolderScanner.kt

@@ -15,6 +15,7 @@ import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.getcapacitor.JSObject
 import org.json.JSONException
+import java.io.File
 
 class FolderScanner(var ctx: Context) {
   private val tag = "FolderScanner"
@@ -231,8 +232,189 @@ class FolderScanner(var ctx: Context) {
     }
   }
 
+  private fun scanInternalDownloadItem(downloadItem:DownloadItem, cb: (DownloadItemScanResult?) -> Unit) {
+    val localLibraryItemId = "local_${downloadItem.libraryItemId}"
+
+    var localEpisodeId:String? = null
+    var localLibraryItem:LocalLibraryItem?
+    if (downloadItem.mediaType == "book") {
+      localLibraryItem = LocalLibraryItem(localLibraryItemId, downloadItem.localFolder.id, downloadItem.itemFolderPath, downloadItem.itemFolderPath, "", false, downloadItem.mediaType, downloadItem.media.getLocalCopy(), mutableListOf(), null, null, true, downloadItem.serverConnectionConfigId, downloadItem.serverAddress, downloadItem.serverUserId, downloadItem.libraryItemId)
+    } else {
+      // Lookup or create podcast local library item
+      localLibraryItem = DeviceManager.dbManager.getLocalLibraryItem(localLibraryItemId)
+      if (localLibraryItem == null) {
+        Log.d(tag, "[FolderScanner] Podcast local library item not created yet for ${downloadItem.media.metadata.title}")
+        localLibraryItem = LocalLibraryItem(localLibraryItemId, downloadItem.localFolder.id, downloadItem.itemFolderPath, downloadItem.itemFolderPath, "", false, downloadItem.mediaType, downloadItem.media.getLocalCopy(), mutableListOf(), null, null, true,downloadItem.serverConnectionConfigId,downloadItem.serverAddress,downloadItem.serverUserId,downloadItem.libraryItemId)
+      }
+    }
+
+    val audioTracks:MutableList<AudioTrack> = mutableListOf()
+    var foundEBookFile = false
+
+    downloadItem.downloadItemParts.forEach { downloadItemPart ->
+      Log.d(tag, "Scan internal storage item with finalDestinationUri=${downloadItemPart.finalDestinationUri}")
+
+      val file = File(downloadItemPart.finalDestinationPath)
+      Log.d(tag, "Scan internal storage item created file ${file.name}")
+
+      if (file == null) {
+        Log.e(tag, "scanInternalDownloadItem: Null docFile for path ${downloadItemPart.finalDestinationPath}")
+      } else {
+        if (downloadItemPart.audioTrack != null) {
+          val audioTrackFromServer = downloadItemPart.audioTrack
+          Log.d(
+            tag,
+            "scanInternalDownloadItem: Audio Track from Server index = ${audioTrackFromServer.index}"
+          )
+
+          val localFileId = DeviceManager.getBase64Id(file.name)
+          Log.d(tag, "Scan internal file localFileId=$localFileId")
+          val localFile = LocalFile(
+            localFileId,
+            file.name,
+            downloadItemPart.finalDestinationUri.toString(),
+            file.getBasePath(ctx),
+            file.absolutePath,
+            file.getSimplePath(ctx),
+            file.mimeType,
+            file.length()
+          )
+          localLibraryItem.localFiles.add(localFile)
+
+          // Create new audio track
+          val track = AudioTrack(
+            audioTrackFromServer.index,
+            audioTrackFromServer.startOffset,
+            audioTrackFromServer.duration,
+            localFile.filename ?: "",
+            localFile.contentUrl,
+            localFile.mimeType ?: "",
+            null,
+            true,
+            localFileId,
+            null,
+            audioTrackFromServer.index
+          )
+          audioTracks.add(track)
+
+          Log.d(
+            tag,
+            "scanInternalDownloadItem: Created Audio Track with index ${track.index} from local file ${localFile.absolutePath}"
+          )
+
+          // Add podcast episodes to library
+          downloadItemPart.episode?.let { podcastEpisode ->
+            val podcast = localLibraryItem.media as Podcast
+            val newEpisode = podcast.addEpisode(track, podcastEpisode)
+            localEpisodeId = newEpisode.id
+            Log.d(
+              tag,
+              "scanInternalDownloadItem: Added episode to podcast ${podcastEpisode.title} ${track.title} | Track index: ${podcastEpisode.audioTrack?.index}"
+            )
+          }
+
+        } else if (downloadItemPart.ebookFile != null) {
+          foundEBookFile = true
+          Log.d(tag, "scanInternalDownloadItem: Ebook file found with mimetype=${file.mimeType}")
+          val localFileId = DeviceManager.getBase64Id(file.name)
+          val localFile = LocalFile(
+            localFileId,
+            file.name,
+            Uri.fromFile(file).toString(),
+            file.getBasePath(ctx),
+            file.absolutePath,
+            file.getSimplePath(ctx),
+            file.mimeType,
+            file.length()
+          )
+          localLibraryItem.localFiles.add(localFile)
+
+          val ebookFile = EBookFile(
+            downloadItemPart.ebookFile.ino,
+            downloadItemPart.ebookFile.metadata,
+            downloadItemPart.ebookFile.ebookFormat,
+            true,
+            localFileId,
+            localFile.contentUrl
+          )
+          (localLibraryItem.media as Book).ebookFile = ebookFile
+          Log.d(tag, "scanInternalDownloadItem: Ebook file added to lli ${localFile.contentUrl}")
+        } else {
+          val localFileId = DeviceManager.getBase64Id(file.name)
+          val localFile = LocalFile(localFileId,file.name,Uri.fromFile(file).toString(),file.getBasePath(ctx),file.absolutePath,file.getSimplePath(ctx),file.mimeType,file.length())
+
+          localLibraryItem.coverAbsolutePath = localFile.absolutePath
+          localLibraryItem.coverContentUrl = localFile.contentUrl
+          localLibraryItem.localFiles.add(localFile)
+        }
+      }
+    }
+
+    if (audioTracks.isEmpty() && !foundEBookFile) {
+      Log.d(tag, "scanDownloadItem did not find any audio tracks or ebook file in folder for ${downloadItem.itemFolderPath}")
+      return cb(null)
+    }
+
+    // For books sort audio tracks then set
+    if (downloadItem.mediaType == "book") {
+      audioTracks.sortBy { it.index }
+
+      var indexCheck = 1
+      var startOffset = 0.0
+      audioTracks.forEach { audioTrack ->
+        if (audioTrack.index != indexCheck || audioTrack.startOffset != startOffset) {
+          audioTrack.index = indexCheck
+          audioTrack.startOffset = startOffset
+        }
+        indexCheck++
+        startOffset += audioTrack.duration
+      }
+
+      localLibraryItem.media.setAudioTracks(audioTracks)
+    }
+
+    val downloadItemScanResult = DownloadItemScanResult(localLibraryItem,null)
+
+    // If library item had media progress then make local media progress and save
+    downloadItem.userMediaProgress?.let { mediaProgress ->
+      val localMediaProgressId = if (downloadItem.episodeId.isNullOrEmpty()) localLibraryItemId else "$localLibraryItemId-$localEpisodeId"
+      val newLocalMediaProgress = LocalMediaProgress(
+        id = localMediaProgressId,
+        localLibraryItemId = localLibraryItemId,
+        localEpisodeId = localEpisodeId,
+        duration = mediaProgress.duration,
+        progress = mediaProgress.progress,
+        currentTime = mediaProgress.currentTime,
+        isFinished = false,
+        ebookLocation = mediaProgress.ebookLocation,
+        ebookProgress = mediaProgress.ebookProgress,
+        lastUpdate = mediaProgress.lastUpdate,
+        startedAt = mediaProgress.startedAt,
+        finishedAt = mediaProgress.finishedAt,
+        serverConnectionConfigId = downloadItem.serverConnectionConfigId,
+        serverAddress = downloadItem.serverAddress,
+        serverUserId = downloadItem.serverUserId,
+        libraryItemId = downloadItem.libraryItemId,
+        episodeId = downloadItem.episodeId)
+      Log.d(tag, "scanLibraryItemFolder: Saving local media progress ${newLocalMediaProgress.id} at progress ${newLocalMediaProgress.progress}")
+      DeviceManager.dbManager.saveLocalMediaProgress(newLocalMediaProgress)
+
+      downloadItemScanResult.localMediaProgress = newLocalMediaProgress
+    }
+
+    DeviceManager.dbManager.saveLocalLibraryItem(localLibraryItem)
+
+    cb(downloadItemScanResult)
+  }
+
   // Scan item after download and create local library item
   fun scanDownloadItem(downloadItem: DownloadItem, cb: (DownloadItemScanResult?) -> Unit) {
+    // If downloading to internal storage handle separately
+    if (downloadItem.isInternalStorage) {
+      scanInternalDownloadItem(downloadItem, cb)
+      return
+    }
+
     val folderDf = DocumentFileCompat.fromUri(ctx, Uri.parse(downloadItem.localFolder.contentUrl))
     val foldersFound =  folderDf?.search(true, DocumentFileType.FOLDER) ?: mutableListOf()
 

android/app/src/main/java/com/audiobookshelf/app/managers/DownloadItemManager.kt

@@ -22,6 +22,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import java.io.File
+import java.io.FileOutputStream
 import java.util.*
 
 class DownloadItemManager(var downloadManager:DownloadManager, private var folderScanner: FolderScanner, var mainActivity: MainActivity, private var clientEventEmitter:DownloadEventEmitter) {
@@ -44,6 +46,11 @@ class DownloadItemManager(var downloadManager:DownloadManager, private var folde
     fun onDownloadItemComplete(jsobj:JSObject)
   }
 
+  interface InternalProgressCallback {
+    fun onProgress(totalBytesWritten:Long, progress: Long)
+    fun onComplete(failed: Boolean)
+  }
+
   companion object {
     var isDownloading:Boolean = false
   }
@@ -65,6 +72,26 @@ class DownloadItemManager(var downloadManager:DownloadManager, private var folde
 
       if (nextDownloadItemParts.size > 0) {
         nextDownloadItemParts.forEach {
+          if (it.isInternalStorage) {
+            val file = File(it.finalDestinationPath)
+            file.parentFile?.mkdirs()
+
+            val fileOutputStream = FileOutputStream(it.finalDestinationPath)
+            val internalProgressCallback = (object : InternalProgressCallback {
+              override fun onProgress(totalBytesWritten:Long, progress: Long) {
+                it.bytesDownloaded = totalBytesWritten
+                it.progress = progress
+              }
+              override fun onComplete(failed:Boolean) {
+                it.failed = failed
+                it.completed = true
+              }
+            })
+
+            Log.d(tag, "Start internal download to destination path ${it.finalDestinationPath} from ${it.serverUrl}")
+            InternalDownloadManager(fileOutputStream, internalProgressCallback).download(it.serverUrl)
+            currentDownloadItemParts.add(it)
+          } else {
             val dlRequest = it.getDownloadRequest()
             val downloadId = downloadManager.enqueue(dlRequest)
             it.downloadId = downloadId
@@ -72,6 +99,7 @@ class DownloadItemManager(var downloadManager:DownloadManager, private var folde
             currentDownloadItemParts.add(it)
           }
         }
+      }
 
       if (currentDownloadItemParts.size >= maxSimultaneousDownloads) {
         break
@@ -89,15 +117,26 @@ class DownloadItemManager(var downloadManager:DownloadManager, private var folde
       isDownloading = true
 
       while (currentDownloadItemParts.size > 0) {
-
         val itemParts = currentDownloadItemParts.filter { !it.isMoving }.map { it }
         for (downloadItemPart in itemParts) {
+          if (downloadItemPart.isInternalStorage) {
+            clientEventEmitter.onDownloadItemPartUpdate(downloadItemPart)
+
+            if (downloadItemPart.completed) {
+              val downloadItem = downloadItemQueue.find { it.id == downloadItemPart.downloadItemId }
+              downloadItem?.let {
+                checkDownloadItemFinished(it)
+              }
+              currentDownloadItemParts.remove(downloadItemPart)
+            }
+          } else {
             val downloadCheckStatus = checkDownloadItemPart(downloadItemPart)
             clientEventEmitter.onDownloadItemPartUpdate(downloadItemPart)
 
             // Will move to final destination, remove current item parts, and check if download item is finished
             handleDownloadItemPartCheck(downloadCheckStatus, downloadItemPart)
           }
+        }
 
         delay(500)
 
@@ -166,7 +205,6 @@ class DownloadItemManager(var downloadManager:DownloadManager, private var folde
       Log.e(tag, "Download item part finished but download item not found ${downloadItemPart.filename}")
       currentDownloadItemParts.remove(downloadItemPart)
     } else if (downloadCheckStatus == DownloadCheckStatus.Successful) {
-
       val file = DocumentFileCompat.fromUri(mainActivity, downloadItemPart.destinationUri)
       Log.d(tag, "DOWNLOAD: DESTINATION URI ${downloadItemPart.destinationUri}")
 

android/app/src/main/java/com/audiobookshelf/app/managers/InternalDownloadManager.kt

@@ -0,0 +1,74 @@
+package com.audiobookshelf.app.managers
+
+import android.util.Log
+import com.google.common.net.HttpHeaders.CONTENT_LENGTH
+import okhttp3.*
+import java.io.*
+import java.util.*
+
+class InternalDownloadManager(outputStream:FileOutputStream, private val progressCallback: DownloadItemManager.InternalProgressCallback) : AutoCloseable {
+  private val tag = "InternalDownloadManager"
+
+  private val client: OkHttpClient = OkHttpClient()
+  private val writer = BinaryFileWriter(outputStream, progressCallback)
+
+  @Throws(IOException::class)
+  fun download(url:String) {
+    val request: Request = Request.Builder().url(url).build()
+    client.newCall(request).enqueue(object : Callback {
+      override fun onFailure(call: Call, e: IOException) {
+        Log.e(tag, "download URL $url FAILED")
+        progressCallback.onComplete(true)
+      }
+
+      override fun onResponse(call: Call, response: Response) {
+        val responseBody: ResponseBody = response.body
+          ?: throw IllegalStateException("Response doesn't contain a file")
+
+        val length: Long = (response.header(CONTENT_LENGTH, "1") ?: "0").toLong()
+        writer.write(responseBody.byteStream(), length)
+      }
+    })
+  }
+
+  @Throws(Exception::class)
+  override fun close() {
+    writer.close()
+  }
+}
+
+class BinaryFileWriter(outputStream: OutputStream, progressCallback: DownloadItemManager.InternalProgressCallback) :
+  AutoCloseable {
+  private val outputStream: OutputStream
+  private val progressCallback: DownloadItemManager.InternalProgressCallback
+
+  init {
+    this.outputStream = outputStream
+    this.progressCallback = progressCallback
+  }
+
+  @Throws(IOException::class)
+  fun write(inputStream: InputStream?, length: Long): Long {
+    BufferedInputStream(inputStream).use { input ->
+      val dataBuffer = ByteArray(CHUNK_SIZE)
+      var readBytes: Int
+      var totalBytes: Long = 0
+      while (input.read(dataBuffer).also { readBytes = it } != -1) {
+        totalBytes += readBytes.toLong()
+        outputStream.write(dataBuffer, 0, readBytes)
+        progressCallback.onProgress(totalBytes, (totalBytes * 100L) / length)
+      }
+      progressCallback.onComplete(false)
+      return totalBytes
+    }
+  }
+
+  @Throws(IOException::class)
+  override fun close() {
+    outputStream.close()
+  }
+
+  companion object {
+    private const val CHUNK_SIZE = 1024
+  }
+}

android/app/src/main/java/com/audiobookshelf/app/models/DownloadItem.kt

@@ -21,6 +21,9 @@ data class DownloadItem(
   val media: MediaType,
   val downloadItemParts: MutableList<DownloadItemPart>
 ) {
+  @get:JsonIgnore
+  val isInternalStorage get() = localFolder.id.startsWith("internal-")
+
   @get:JsonIgnore
   val isDownloadFinished get() = !downloadItemParts.any { !it.completed || it.isMoving }
 

android/app/src/main/java/com/audiobookshelf/app/models/DownloadItemPart.kt

@@ -73,6 +73,12 @@ data class DownloadItemPart(
     }
   }
 
+  @get:JsonIgnore
+  val isInternalStorage get() = localFolderId.startsWith("internal-")
+
+  @get:JsonIgnore
+  val serverUrl get() = "${DeviceManager.serverAddress}${serverPath}?token=${DeviceManager.token}"
+
   @JsonIgnore
   fun getDownloadRequest(): DownloadManager.Request {
     val dlRequest = DownloadManager.Request(uri)

android/app/src/main/java/com/audiobookshelf/app/plugins/AbsDownloader.kt

@@ -57,7 +57,7 @@ class AbsDownloader : Plugin() {
     val libraryItemId = call.data.getString("libraryItemId").toString()
     var episodeId = call.data.getString("episodeId").toString()
     if (episodeId == "null") episodeId = ""
-    val localFolderId = call.data.getString("localFolderId").toString()
+    var localFolderId = call.data.getString("localFolderId", "").toString()
     Log.d(tag, "Download library item $libraryItemId to folder $localFolderId / episode: $episodeId")
 
     val downloadId = if (episodeId.isEmpty()) libraryItemId else "$libraryItemId-$episodeId"
@@ -72,9 +72,18 @@ class AbsDownloader : Plugin() {
       } else {
         Log.d(tag, "Got library item from server ${libraryItem.id}")
 
-        val localFolder = DeviceManager.dbManager.getLocalFolder(localFolderId)
+        if (localFolderId == "") {
-        if (localFolder != null) {
+          localFolderId = "internal-${libraryItem.mediaType}"
+        }
+        var localFolder = DeviceManager.dbManager.getLocalFolder(localFolderId)
 
+        if (localFolder == null && localFolderId.startsWith("internal-")) {
+          Log.d(tag, "Creating new App Storage internal LocalFolder $localFolderId")
+          localFolder = LocalFolder(localFolderId, "Internal App Storage", "", "", "", "", "internal", libraryItem.mediaType)
+          DeviceManager.dbManager.saveLocalFolder(localFolder)
+        }
+
+        if (localFolder != null) {
           if (episodeId.isNotEmpty() && libraryItem.mediaType != "podcast") {
             Log.e(tag, "Library item is not a podcast but episode was requested")
             call.resolve(JSObject("{\"error\":\"Invalid library item not a podcast\"}"))
@@ -127,7 +136,9 @@ class AbsDownloader : Plugin() {
   }
 
   private fun startLibraryItemDownload(libraryItem: LibraryItem, localFolder: LocalFolder, episode:PodcastEpisode?) {
-    val tempFolderPath = mainActivity.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS)
+    val isInternal = localFolder.id.startsWith("internal-")
+
+    val tempFolderPath = if (isInternal) "${mainActivity.filesDir}/downloads/${libraryItem.id}" else mainActivity.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS)
 
     Log.d(tag, "downloadCacheDirectory=$tempFolderPath")
 
@@ -138,7 +149,7 @@ class AbsDownloader : Plugin() {
       val tracks = libraryItem.media.getAudioTracks()
       Log.d(tag, "Starting library item download with ${tracks.size} tracks")
       val itemSubfolder = "$bookAuthor/$bookTitle"
-      val itemFolderPath = "${localFolder.absolutePath}/$itemSubfolder"
+      val itemFolderPath = if (isInternal) "$tempFolderPath" else "${localFolder.absolutePath}/$itemSubfolder"
       val downloadItem = DownloadItem(libraryItem.id, libraryItem.id, null, libraryItem.userMediaProgress,DeviceManager.serverConnectionConfig?.id ?: "", DeviceManager.serverAddress, DeviceManager.serverUserId, libraryItem.mediaType, itemFolderPath, localFolder, bookTitle, itemSubfolder, libraryItem.media, mutableListOf())
 
       val book = libraryItem.media as Book

android/app/src/main/java/com/audiobookshelf/app/plugins/AbsFileSystem.kt

@@ -227,10 +227,18 @@ class AbsFileSystem : Plugin() {
     val contentUrl = call.data.getString("contentUrl", "").toString()
     Log.d(tag, "deleteItem $absolutePath | $contentUrl")
 
-    var subfolderPathToDelete = ""
-
     // Check if should delete subfolder
     val localLibraryItem = DeviceManager.dbManager.getLocalLibraryItem(localLibraryItemId)
+
+    val success: Boolean
+
+    // If internal library item use File to delete
+    if (localLibraryItem?.folderId?.startsWith("internal-") == true) {
+      Log.d(tag, "Deleting internal library item at absolutePath $absolutePath")
+      val file = File(absolutePath)
+      success = file.deleteRecursively()
+    } else {
+      var subfolderPathToDelete = ""
       localLibraryItem?.folderId?.let { folderId ->
         val folder = DeviceManager.dbManager.getLocalFolder(folderId)
         folder?.absolutePath?.let { folderPath ->
@@ -250,13 +258,14 @@ class AbsFileSystem : Plugin() {
       }
 
       val docfile = DocumentFileCompat.fromUri(mainActivity, Uri.parse(contentUrl))
-    val success = docfile?.delete() == true
+      success = docfile?.delete() == true
 
       if (subfolderPathToDelete != "") {
         Log.d(tag, "Deleting empty subfolder at $subfolderPathToDelete")
         val docfilesub = DocumentFileCompat.fromFullPath(mainActivity, subfolderPathToDelete)
         docfilesub?.delete()
       }
+    }
 
     if (success) {
       DeviceManager.dbManager.removeLocalLibraryItem(localLibraryItemId)

android/app/src/main/java/com/audiobookshelf/app/plugins/AbsFileSystem.kt~

@@ -0,0 +1,300 @@
+package com.audiobookshelf.app.plugins
+
+import android.app.AlertDialog
+import android.database.Cursor
+import android.net.Uri
+import android.os.Build
+import android.util.Log
+import androidx.annotation.RequiresApi
+import androidx.documentfile.provider.DocumentFile
+import com.anggrayudi.storage.SimpleStorage
+import com.anggrayudi.storage.callback.FolderPickerCallback
+import com.anggrayudi.storage.callback.StorageAccessCallback
+import com.anggrayudi.storage.file.*
+import com.audiobookshelf.app.MainActivity
+import com.audiobookshelf.app.data.LocalFolder
+import com.audiobookshelf.app.data.LocalLibraryItem
+import com.audiobookshelf.app.device.DeviceManager
+import com.audiobookshelf.app.device.FolderScanner
+import com.fasterxml.jackson.core.json.JsonReadFeature
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.getcapacitor.*
+import com.getcapacitor.annotation.CapacitorPlugin
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import java.io.File
+
+@CapacitorPlugin(name = "AbsFileSystem")
+class AbsFileSystem : Plugin() {
+  private val TAG = "AbsFileSystem"
+  private val tag = "AbsFileSystem"
+  private var jacksonMapper = jacksonObjectMapper().enable(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature())
+
+  lateinit var mainActivity: MainActivity
+
+  override fun load() {
+    mainActivity = (activity as MainActivity)
+
+    mainActivity.storage.storageAccessCallback = object : StorageAccessCallback {
+      override fun onRootPathNotSelected(
+        requestCode: Int,
+        rootPath: String,
+        uri: Uri,
+        selectedStorageType: StorageType,
+        expectedStorageType: StorageType
+      ) {
+        Log.d(TAG, "STORAGE ACCESS CALLBACK")
+      }
+
+      override fun onCanceledByUser(requestCode: Int) {
+        Log.d(TAG, "STORAGE ACCESS CALLBACK")
+      }
+
+      override fun onExpectedStorageNotSelected(requestCode: Int, selectedFolder: DocumentFile, selectedStorageType: StorageType, expectedBasePath: String, expectedStorageType: StorageType) {
+        Log.d(TAG, "STORAGE ACCESS CALLBACK")
+      }
+
+      override fun onStoragePermissionDenied(requestCode: Int) {
+        Log.d(TAG, "STORAGE ACCESS CALLBACK")
+      }
+
+      override fun onRootPathPermissionGranted(requestCode: Int, root: DocumentFile) {
+        Log.d(TAG, "STORAGE ACCESS CALLBACK")
+      }
+    }
+  }
+
+  @PluginMethod
+  fun selectFolder(call: PluginCall) {
+    val mediaType = call.data.getString("mediaType", "book").toString()
+    val REQUEST_CODE_SELECT_FOLDER = 6
+    val REQUEST_CODE_SDCARD_ACCESS = 7
+
+    mainActivity.storage.folderPickerCallback = object : FolderPickerCallback {
+      override fun onFolderSelected(requestCode: Int, folder: DocumentFile) {
+        Log.d(TAG, "ON FOLDER SELECTED ${folder.uri} ${folder.name}")
+        val absolutePath = folder.getAbsolutePath(activity)
+        val storageType = folder.getStorageType(activity)
+        val simplePath = folder.getSimplePath(activity)
+        val basePath = folder.getBasePath(activity)
+        val folderId = android.util.Base64.encodeToString(folder.id.toByteArray(), android.util.Base64.DEFAULT)
+
+        val localFolder = LocalFolder(folderId, folder.name ?: "", folder.uri.toString(),basePath,absolutePath, simplePath, storageType.toString(), mediaType)
+
+        DeviceManager.dbManager.saveLocalFolder(localFolder)
+        call.resolve(JSObject(jacksonMapper.writeValueAsString(localFolder)))
+      }
+
+      override fun onStorageAccessDenied(
+        requestCode: Int,
+        folder: DocumentFile?,
+        storageType: StorageType,
+        storageId: String
+      ) {
+        Log.e(tag, "Storage Access Denied ${folder?.getAbsolutePath(mainActivity)}")
+
+        val jsobj = JSObject()
+        if (requestCode == REQUEST_CODE_SELECT_FOLDER) {
+
+          val builder: AlertDialog.Builder = AlertDialog.Builder(mainActivity)
+          builder.setMessage(
+            "You have no write access to this storage, thus selecting this folder is useless." +
+              "\nWould you like to grant access to this folder?")
+          builder.setNegativeButton("Dont Allow") { _, _ ->
+            run {
+              jsobj.put("error", "User Canceled, Access Denied")
+              call.resolve(jsobj)
+            }
+          }
+          builder.setPositiveButton("Allow.") { _, _ -> mainActivity.storageHelper.requestStorageAccess(REQUEST_CODE_SDCARD_ACCESS, initialPath = FileFullPath(mainActivity, storageId, "")) }
+          builder.show()
+        } else {
+          Log.d(TAG, "STORAGE ACCESS DENIED $requestCode")
+          jsobj.put("error", "Access Denied")
+          call.resolve(jsobj)
+        }
+      }
+
+
+      override fun onStoragePermissionDenied(requestCode: Int) {
+        Log.d(TAG, "STORAGE PERMISSION DENIED $requestCode")
+        val jsobj = JSObject()
+        jsobj.put("error", "Permission Denied")
+        call.resolve(jsobj)
+      }
+
+    }
+
+    mainActivity.storage.openFolderPicker(REQUEST_CODE_SELECT_FOLDER)
+  }
+
+  @RequiresApi(Build.VERSION_CODES.R)
+  @PluginMethod
+  fun requestStoragePermission(call: PluginCall) {
+    Log.d(TAG, "Request Storage Permissions")
+    mainActivity.storageHelper.requestStorageAccess()
+    call.resolve()
+  }
+
+  @PluginMethod
+  fun checkStoragePermission(call: PluginCall) {
+    val res: Boolean
+    if (Build.VERSION.SDK_INT <= android.os.Build.VERSION_CODES.P) {
+      res = SimpleStorage.hasStoragePermission(context)
+      Log.d(TAG, "checkStoragePermission: Check Storage Access $res")
+    } else {
+      Log.d(TAG, "checkStoragePermission: Has permission on Android 10 or up")
+      res = true
+    }
+
+    val jsobj = JSObject()
+    jsobj.put("value", res)
+    call.resolve(jsobj)
+  }
+
+  @PluginMethod
+  fun checkFolderPermissions(call: PluginCall) {
+    val folderUrl = call.data.getString("folderUrl", "").toString()
+    Log.d(TAG, "Check Folder Permissions for $folderUrl")
+
+    val hasAccess = SimpleStorage.hasStorageAccess(context,folderUrl,true)
+
+    val jsobj = JSObject()
+    jsobj.put("value", hasAccess)
+    call.resolve(jsobj)
+  }
+
+  @PluginMethod
+  fun scanFolder(call: PluginCall) {
+    val folderId =  call.data.getString("folderId", "").toString()
+    val forceAudioProbe = call.data.getBoolean("forceAudioProbe")
+    Log.d(TAG, "Scan Folder $folderId | Force Audio Probe $forceAudioProbe")
+
+    val folder: LocalFolder? = DeviceManager.dbManager.getLocalFolder(folderId)
+    folder?.let {
+      val folderScanner = FolderScanner(context)
+      val folderScanResult = folderScanner.scanForMediaItems(it, forceAudioProbe)
+      if (folderScanResult == null) {
+        Log.d(TAG, "NO Scan DATA")
+        return call.resolve(JSObject())
+      } else {
+        Log.d(TAG, "Scan DATA ${jacksonMapper.writeValueAsString(folderScanResult)}")
+        return call.resolve(JSObject(jacksonMapper.writeValueAsString(folderScanResult)))
+      }
+    } ?: call.resolve(JSObject())
+  }
+
+  @PluginMethod
+  fun removeFolder(call: PluginCall) {
+    val folderId = call.data.getString("folderId", "").toString()
+    DeviceManager.dbManager.removeLocalFolder(folderId)
+    call.resolve()
+  }
+
+  @PluginMethod
+  fun removeLocalLibraryItem(call: PluginCall) {
+    val localLibraryItemId = call.data.getString("localLibraryItemId", "").toString()
+    DeviceManager.dbManager.removeLocalLibraryItem(localLibraryItemId)
+    call.resolve()
+  }
+
+  @PluginMethod
+  fun scanLocalLibraryItem(call: PluginCall) {
+    val localLibraryItemId = call.data.getString("localLibraryItemId", "").toString()
+    val forceAudioProbe = call.data.getBoolean("forceAudioProbe")
+    Log.d(TAG, "Scan Local library item $localLibraryItemId | Force Audio Probe $forceAudioProbe")
+    GlobalScope.launch(Dispatchers.IO) {
+      val localLibraryItem: LocalLibraryItem? = DeviceManager.dbManager.getLocalLibraryItem(localLibraryItemId)
+      localLibraryItem?.let {
+        val folderScanner = FolderScanner(context)
+        val scanResult = folderScanner.scanLocalLibraryItem(it, forceAudioProbe)
+        if (scanResult == null) {
+          Log.d(TAG, "NO Scan DATA")
+          call.resolve(JSObject())
+        } else {
+          Log.d(TAG, "Scan DATA ${jacksonMapper.writeValueAsString(scanResult)}")
+          call.resolve(JSObject(jacksonMapper.writeValueAsString(scanResult)))
+        }
+      } ?: call.resolve(JSObject())
+    }
+  }
+
+  @PluginMethod
+  fun deleteItem(call: PluginCall) {
+    val localLibraryItemId = call.data.getString("id", "").toString()
+    val absolutePath = call.data.getString("absolutePath", "").toString()
+    val contentUrl = call.data.getString("contentUrl", "").toString()
+    Log.d(tag, "deleteItem $absolutePath | $contentUrl")
+
+    // Check if should delete subfolder
+    val localLibraryItem = DeviceManager.dbManager.getLocalLibraryItem(localLibraryItemId)
+
+    val success: Boolean
+
+    // If internal library item use File to delete
+    if (localLibraryItem?.folderId?.startsWith("internal-") == true) {
+      Log.d(tag, "Deleting internal library item at absolutePath $absolutePath")
+      val file = File(absolutePath)
+      success = file.deleteRecursively()
+    } else {
+      var subfolderPathToDelete = ""
+      localLibraryItem?.folderId?.let { folderId ->
+        val folder = DeviceManager.dbManager.getLocalFolder(folderId)
+        folder?.absolutePath?.let { folderPath ->
+          val splitAbsolutePath = absolutePath.split("/")
+          val fullSubDir = splitAbsolutePath.subList(0, splitAbsolutePath.size - 1).joinToString("/")
+          if (fullSubDir != folderPath) {
+            val subdirHasAnItem = DeviceManager.dbManager.getLocalLibraryItems().any { _localLibraryItem ->
+              if (_localLibraryItem.id == localLibraryItemId) {
+                false
+              } else {
+                _localLibraryItem.absolutePath.startsWith(fullSubDir)
+              }
+            }
+            subfolderPathToDelete = if (subdirHasAnItem) "" else fullSubDir
+          }
+        }
+      }
+
+      val docfile = DocumentFileCompat.fromUri(mainActivity, Uri.parse(contentUrl))
+      success = docfile?.delete() == true
+
+      if (subfolderPathToDelete != "") {
+        Log.d(tag, "Deleting empty subfolder at $subfolderPathToDelete")
+        val docfilesub = DocumentFileCompat.fromFullPath(mainActivity, subfolderPathToDelete)
+        docfilesub?.delete()
+      }
+    }
+
+    if (success) {
+      DeviceManager.dbManager.removeLocalLibraryItem(localLibraryItemId)
+    }
+    call.resolve(JSObject("{\"success\":$success}"))
+  }
+
+  @PluginMethod
+  fun deleteTrackFromItem(call: PluginCall) {
+    val localLibraryItemId = call.data.getString("id", "").toString()
+    val trackLocalFileId = call.data.getString("trackLocalFileId", "").toString()
+    val contentUrl = call.data.getString("trackContentUrl", "").toString()
+    Log.d(tag, "deleteTrackFromItem $contentUrl")
+
+    val localLibraryItem = DeviceManager.dbManager.getLocalLibraryItem(localLibraryItemId)
+    if (localLibraryItem == null) {
+      Log.e(tag, "deleteTrackFromItem: LLI does not exist $localLibraryItemId")
+      return call.resolve(JSObject("{\"success\":false}"))
+    }
+
+    val docfile = DocumentFileCompat.fromUri(mainActivity, Uri.parse(contentUrl))
+    val success = docfile?.delete() == true
+    if (success) {
+      localLibraryItem.media.removeAudioTrack(trackLocalFileId)
+      localLibraryItem.removeLocalFile(trackLocalFileId)
+      DeviceManager.dbManager.saveLocalLibraryItem(localLibraryItem)
+      call.resolve(JSObject(jacksonMapper.writeValueAsString(localLibraryItem)))
+    } else {
+      call.resolve(JSObject("{\"success\":false}"))
+    }
+  }
+}

components/app/AudioPlayer.vue

@@ -272,7 +272,7 @@ export default {
       return this.playbackSession ? this.playbackSession.localLibraryItem || null : null
     },
     localLibraryItemCoverSrc() {
-      var localItemCover = this.localLibraryItem ? this.localLibraryItem.coverContentUrl : null
+      var localItemCover = this.localLibraryItem?.coverContentUrl || null
       if (localItemCover) return Capacitor.convertFileSrc(localItemCover)
       return null
     },

components/modals/SelectLocalFolderModal.vue

@@ -10,8 +10,9 @@
       <div ref="container" class="w-full overflow-x-hidden overflow-y-auto bg-primary rounded-lg border border-white border-opacity-20" style="max-height: 75%" @click.stop>
         <ul class="h-full w-full" role="listbox" aria-labelledby="listbox-label">
           <template v-for="folder in localFolders">
-            <li :key="folder.id" :id="`folder-${folder.id}`" class="text-gray-50 select-none relative py-4" role="option" @click="clickedOption(folder)">
+            <li :key="folder.id" :id="`folder-${folder.id}`" class="text-gray-50 select-none relative py-5" role="option" @click="clickedOption(folder)">
               <div class="relative flex items-center pl-3" style="padding-right: 4.5rem">
+                <span class="material-icons-outlined text-xl mr-2 text-white text-opacity-80">folder</span>
                 <p class="font-normal block truncate text-sm text-white text-opacity-80">{{ folder.name }}</p>
               </div>
             </li>
@@ -54,6 +55,14 @@ export default {
     },
     async init() {
       var localFolders = (await this.$db.getLocalFolders()) || []
+
+      if (!localFolders.some((lf) => lf.id === `internal-${this.mediaType}`)) {
+        localFolders.push({
+          id: `internal-${this.mediaType}`,
+          name: 'Internal App Storage',
+          mediaType: this.mediaType
+        })
+      }
       this.localFolders = localFolders.filter((lf) => lf.mediaType == this.mediaType)
     }
   },

pages/item/_id/index.vue

@@ -632,16 +632,26 @@ export default {
         })
         console.log('Folders with media type', this.mediaType, foldersWithMediaType.length)
         if (!foldersWithMediaType.length) {
-          // No local folders or no local folders with this media type
+          localFolder = {
-          localFolder = await this.selectFolder()
+            id: `internal-${this.mediaType}`,
-        } else if (foldersWithMediaType.length == 1) {
+            name: 'App Storage',
-          console.log('Only 1 local folder with this media type - auto select it')
+            mediaType: this.mediaType
-          localFolder = foldersWithMediaType[0]
+          }
         } else {
-          console.log('Multiple folders with media type')
           this.showSelectLocalFolder = true
           return
         }
+        // if (!foldersWithMediaType.length) {
+        //   // No local folders or no local folders with this media type
+        //   localFolder = await this.selectFolder()
+        // } else if (foldersWithMediaType.length == 1) {
+        //   console.log('Only 1 local folder with this media type - auto select it')
+        //   localFolder = foldersWithMediaType[0]
+        // } else {
+        //   console.log('Multiple folders with media type')
+        //   this.showSelectLocalFolder = true
+        //   return
+        // }
         if (!localFolder) {
           return this.$toast.error('Invalid download folder')
         }

pages/localMedia/folders/_id.vue

@@ -4,7 +4,7 @@
       <p class="text-base font-semibold">Folder: {{ folderName }}</p>
       <div class="flex-grow" />
 
-      <span class="material-icons" @click="showDialog = true">more_vert</span>
+      <span v-if="dialogItems.length" class="material-icons" @click="showDialog = true">more_vert</span>
     </div>
 
     <p class="text-sm mb-4 text-white text-opacity-60">Media Type: {{ mediaType }}</p>
@@ -58,26 +58,35 @@ export default {
   },
   computed: {
     folderName() {
-      return this.folder ? this.folder.name : null
+      return this.folder?.name || null
     },
     mediaType() {
-      return this.folder ? this.folder.mediaType : null
+      return this.folder?.mediaType
+    },
+    isInternalStorage() {
+      return this.folder?.id.startsWith('internal-')
     },
     dialogItems() {
-      return [
+      if (this.isInternalStorage) return []
+      const items = [
         {
           text: 'Scan',
           value: 'scan'
-        },
+        }
-        {
+      ]
+
+      if (this.localLibraryItems.length) {
+        items.push({
           text: 'Force Re-Scan',
           value: 'rescan'
-        },
+        })
-        {
+      }
+
+      items.push({
         text: 'Remove',
         value: 'remove'
-        }
+      })
-      ].filter((i) => i.value != 'rescan' || this.localLibraryItems.length) // Filter out rescan if there are no local library items
+      return items
     }
   },
   methods: {

pages/localMedia/item/_id.vue

@@ -181,6 +181,9 @@ export default {
     folderName() {
       return this.folder?.name
     },
+    isInternalStorage() {
+      return this.folderId?.startsWith('internal-')
+    },
     mediaType() {
       return this.localLibraryItem?.mediaType
     },
@@ -227,7 +230,7 @@ export default {
         ]
       } else {
         var options = []
-        if (!this.isIos) {
+        if (!this.isIos && !this.isInternalStorage) {
           options.push({ text: 'Scan', value: 'scan' })
           options.push({ text: 'Force Re-Scan', value: 'rescan' })
           options.push({ text: 'Remove', value: 'remove' })