Convert DownloadDao methods to suspend functions.

app/src/main/java/com/github/libretube/db/dao/DownloadDao.kt

@@ -15,37 +15,25 @@ import com.github.libretube.db.obj.DownloadWithItems
 interface DownloadDao {
     @Transaction
     @Query("SELECT * FROM download")
-    fun getAll(): List<DownloadWithItems>
+    suspend fun getAll(): List<DownloadWithItems>
 
     @Transaction
     @Query("SELECT * FROM download WHERE videoId = :videoId")
-    fun findById(videoId: String): DownloadWithItems
+    suspend fun findById(videoId: String): DownloadWithItems
 
     @Query("SELECT * FROM downloaditem WHERE id = :id")
-    fun findDownloadItemById(id: Int): DownloadItem
-
-    @Query("SELECT * FROM downloadItem WHERE path = :path")
-    fun findDownloadItemByFilePath(path: String): DownloadItem
+    suspend fun findDownloadItemById(id: Int): DownloadItem
 
     @Insert(onConflict = OnConflictStrategy.IGNORE)
-    fun insertDownload(download: Download)
+    suspend fun insertDownload(download: Download)
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun insertDownloadItem(downloadItem: DownloadItem): Long
+    suspend fun insertDownloadItem(downloadItem: DownloadItem): Long
 
     @Update(onConflict = OnConflictStrategy.REPLACE)
-    fun updateDownload(download: Download)
-
-    @Update(onConflict = OnConflictStrategy.REPLACE)
-    fun updateDownloadItem(downloadItem: DownloadItem)
+    suspend fun updateDownloadItem(downloadItem: DownloadItem)
 
     @Transaction
     @Delete
-    fun deleteDownload(download: Download)
-
-    @Delete
-    fun deleteDownloadItem(downloadItem: DownloadItem)
-
-    @Query("DELETE FROM downloadItem WHERE videoId = :videoId")
-    fun deleteDownloadItemsByVideoId(videoId: String)
+    suspend fun deleteDownload(download: Download)
 }

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

@@ -23,10 +23,8 @@ import com.github.libretube.db.DatabaseHolder.Database
 import com.github.libretube.db.obj.Download
 import com.github.libretube.db.obj.DownloadItem
 import com.github.libretube.enums.FileType
-import com.github.libretube.extensions.awaitQuery
 import com.github.libretube.extensions.formatAsFileSize
 import com.github.libretube.extensions.getContentLength
-import com.github.libretube.extensions.query
 import com.github.libretube.extensions.toDownloadItems
 import com.github.libretube.extensions.toastFromMainThread
 import com.github.libretube.helpers.DownloadHelper
@@ -101,18 +99,15 @@ class DownloadService : LifecycleService() {
 
                 val thumbnailTargetFile = getDownloadFile(DownloadHelper.THUMBNAIL_DIR, fileName)
 
-                awaitQuery {
-                    Database.downloadDao().insertDownload(
-                        Download(
-                            videoId = videoId,
-                            title = streams.title,
-                            thumbnailPath = thumbnailTargetFile.absolutePath,
-                            description = streams.description,
-                            uploadDate = streams.uploadDate.toString(),
-                            uploader = streams.uploader
+                val download = Download(
+                    videoId,
+                    streams.title,
+                    streams.description,
+                    streams.uploader,
+                    streams.uploadDate.toString(),
+                    thumbnailTargetFile.absolutePath
                 )
-                    )
-                }
+                Database.downloadDao().insertDownload(download)
                 ImageHelper.downloadImage(
                     this@DownloadService,
                     streams.thumbnailUrl,
@@ -142,7 +137,7 @@ class DownloadService : LifecycleService() {
      * for the requested file.
      */
     private fun start(item: DownloadItem) {
-        val file: File = when (item.type) {
+        val file = when (item.type) {
             FileType.AUDIO -> getDownloadFile(DownloadHelper.AUDIO_DIR, item.fileName)
             FileType.VIDEO -> getDownloadFile(DownloadHelper.VIDEO_DIR, item.fileName)
             FileType.SUBTITLE -> getDownloadFile(DownloadHelper.SUBTITLE_DIR, item.fileName)
@@ -150,11 +145,8 @@ class DownloadService : LifecycleService() {
         file.createNewFile()
         item.path = file.absolutePath
 
-        item.id = awaitQuery {
-            Database.downloadDao().insertDownloadItem(item)
-        }.toInt()
-
         lifecycleScope.launch(coroutineContext) {
+            item.id = Database.downloadDao().insertDownloadItem(item).toInt()
             downloadFile(item)
         }
     }
@@ -174,11 +166,9 @@ class DownloadService : LifecycleService() {
         url.getContentLength().let { size ->
             if (size > 0 && size != item.downloadSize) {
                 item.downloadSize = size
-                query {
                 Database.downloadDao().updateDownloadItem(item)
             }
         }
-        }
 
         try {
             // Set start range where last downloading was held.
@@ -305,11 +295,8 @@ class DownloadService : LifecycleService() {
             return
         }
 
-        val downloadItem = awaitQuery {
-            Database.downloadDao().findDownloadItemById(id)
-        }
         lifecycleScope.launch(coroutineContext) {
-            downloadFile(downloadItem)
+            downloadFile(Database.downloadDao().findDownloadItemById(id))
         }
     }
 
@@ -340,10 +327,8 @@ class DownloadService : LifecycleService() {
         stream?.find { it.format == item.format && it.quality == item.quality }?.let {
             item.url = it.url
         }
-        query {
         Database.downloadDao().updateDownloadItem(item)
     }
-    }
 
     /**
      * Check whether the file downloading or not.

app/src/main/java/com/github/libretube/ui/activities/OfflinePlayerActivity.kt

@@ -9,12 +9,12 @@ import android.os.Bundle
 import android.text.format.DateUtils
 import android.view.View
 import androidx.activity.viewModels
+import androidx.lifecycle.lifecycleScope
 import com.github.libretube.constants.IntentData
 import com.github.libretube.databinding.ActivityOfflinePlayerBinding
 import com.github.libretube.databinding.ExoStyledPlayerControlViewBinding
 import com.github.libretube.db.DatabaseHolder.Database
 import com.github.libretube.enums.FileType
-import com.github.libretube.extensions.awaitQuery
 import com.github.libretube.extensions.updateParameters
 import com.github.libretube.helpers.PlayerHelper
 import com.github.libretube.helpers.PlayerHelper.loadPlaybackParams
@@ -34,6 +34,9 @@ import com.google.android.exoplayer2.ui.StyledPlayerView
 import com.google.android.exoplayer2.upstream.FileDataSource
 import com.google.android.exoplayer2.util.MimeTypes
 import java.io.File
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 class OfflinePlayerActivity : BaseActivity() {
     private lateinit var binding: ActivityOfflinePlayerBinding
@@ -108,7 +111,8 @@ class OfflinePlayerActivity : BaseActivity() {
     }
 
     private fun playVideo() {
-        val downloadFiles = awaitQuery {
+        lifecycleScope.launch {
+            val downloadFiles = withContext(Dispatchers.IO) {
                 Database.downloadDao().findById(videoId).downloadItems
             }
 
@@ -130,6 +134,7 @@ class OfflinePlayerActivity : BaseActivity() {
             player.prepare()
             player.play()
         }
+    }
 
     private fun setMediaSource(videoUri: Uri?, audioUri: Uri?, subtitleUri: Uri?) {
         val subtitle = subtitleUri?.let {

app/src/main/java/com/github/libretube/ui/adapters/DownloadsAdapter.kt

@@ -13,12 +13,13 @@ import com.github.libretube.databinding.DownloadedMediaRowBinding
 import com.github.libretube.db.DatabaseHolder
 import com.github.libretube.db.obj.DownloadWithItems
 import com.github.libretube.extensions.formatAsFileSize
-import com.github.libretube.extensions.query
 import com.github.libretube.helpers.ImageHelper
 import com.github.libretube.ui.activities.OfflinePlayerActivity
 import com.github.libretube.ui.viewholders.DownloadsViewHolder
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import java.io.File
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runBlocking
 
 class DownloadsAdapter(
     private val context: Context,
@@ -105,7 +106,7 @@ class DownloadsAdapter(
                             }
                         }
 
-                        query {
+                        runBlocking(Dispatchers.IO) {
                             DatabaseHolder.Database.downloadDao().deleteDownload(download)
                         }
                         downloads.removeAt(position)

app/src/main/java/com/github/libretube/ui/fragments/DownloadsFragment.kt

@@ -16,7 +16,6 @@ import com.github.libretube.R
 import com.github.libretube.databinding.FragmentDownloadsBinding
 import com.github.libretube.db.DatabaseHolder.Database
 import com.github.libretube.db.obj.DownloadWithItems
-import com.github.libretube.extensions.awaitQuery
 import com.github.libretube.extensions.formatAsFileSize
 import com.github.libretube.helpers.DownloadHelper
 import com.github.libretube.obj.DownloadStatus
@@ -26,9 +25,11 @@ import com.github.libretube.ui.adapters.DownloadsAdapter
 import com.github.libretube.ui.base.BaseFragment
 import com.github.libretube.ui.viewholders.DownloadsViewHolder
 import java.io.File
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
 
 class DownloadsFragment : BaseFragment() {
     private lateinit var binding: FragmentDownloadsBinding
@@ -69,9 +70,10 @@ class DownloadsFragment : BaseFragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        awaitQuery {
-            downloads.addAll(Database.downloadDao().getAll())
+        val dbDownloads = runBlocking(Dispatchers.IO) {
+            Database.downloadDao().getAll()
         }
+        downloads.addAll(dbDownloads)
         if (downloads.isEmpty()) return
 
         binding.downloadsEmpty.visibility = View.GONE