music: split off music location into musikr

app/src/main/java/org/oxycblt/auxio/music/locations/LocationAdapter.kt

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
- 
+
 package org.oxycblt.auxio.music.locations
 
 import android.net.Uri
@@ -27,6 +27,7 @@ import org.oxycblt.auxio.list.recycler.DialogRecyclerView
 import org.oxycblt.musikr.fs.Path
 import org.oxycblt.auxio.util.context
 import org.oxycblt.auxio.util.inflater
+import org.oxycblt.musikr.fs.MusicLocation
 import timber.log.Timber as L
 
 /**
@@ -93,8 +94,6 @@ class LocationAdapter(private val listener: Listener) : RecyclerView.Adapter<Mus
     }
 }
 
-data class MusicLocation(val uri: Uri, val path: Path)
-
 /**
  * A [RecyclerView.Recycler] that displays a [MusicLocation]. Use [from] to create an instance.
  *

app/src/main/java/org/oxycblt/auxio/music/locations/MusicSourcesDialog.kt

@@ -36,9 +36,9 @@ import org.oxycblt.auxio.BuildConfig
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.DialogMusicLocationsBinding
 import org.oxycblt.auxio.music.MusicSettings
-import org.oxycblt.musikr.fs.path.DocumentPathFactory
 import org.oxycblt.auxio.ui.ViewBindingMaterialDialogFragment
 import org.oxycblt.auxio.util.showToast
+import org.oxycblt.musikr.fs.MusicLocation
 import timber.log.Timber as L
 
 /**
@@ -51,7 +51,7 @@ class MusicSourcesDialog :
     ViewBindingMaterialDialogFragment<DialogMusicLocationsBinding>(), LocationAdapter.Listener {
     private val locationAdapter = LocationAdapter(this)
     private var openDocumentTreeLauncher: ActivityResultLauncher<Uri?>? = null
-    @Inject lateinit var documentPathFactory: DocumentPathFactory
+    @Inject lateinit var musicLocationFactory: MusicLocation.Factory
     @Inject lateinit var musicSettings: MusicSettings
 
     override fun onCreateBinding(inflater: LayoutInflater) =
@@ -76,17 +76,7 @@ class MusicSourcesDialog :
     ) {
         openDocumentTreeLauncher =
             registerForActivityResult(
-                object : ActivityResultContracts.OpenDocumentTree() {
-                    override fun createIntent(context: Context, input: Uri?): Intent {
-                        return super.createIntent(context, input).apply {
-                            flags =
-                                Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION or
-                                    Intent.FLAG_GRANT_READ_URI_PERMISSION or
-                                    Intent.FLAG_GRANT_WRITE_URI_PERMISSION or
-                                    Intent.FLAG_GRANT_PREFIX_URI_PERMISSION
-                        }
-                    }
-                },
+                ActivityResultContracts.OpenDocumentTree(),
                 ::addDocumentTreeUriToDirs)
 
         binding.locationsAdd.apply {
@@ -117,8 +107,7 @@ class MusicSourcesDialog :
                 ?: musicSettings.musicLocations
         val locations =
             locationUris.mapNotNull {
-                MusicLocation(
-                    it, documentPathFactory.unpackDocumentTreeUri(it) ?: return@mapNotNull null)
+                musicLocationFactory.create(it)
             }
 
         locationAdapter.addAll(locations)
@@ -160,10 +149,10 @@ class MusicSourcesDialog :
             Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
         contentResolver.takePersistableUriPermission(uri, takeFlags)
 
-        val path = documentPathFactory.unpackDocumentTreeUri(uri)
+        val location = musicLocationFactory.create(uri)
 
-        if (path != null) {
-            locationAdapter.add(MusicLocation(uri, path))
+        if (location != null) {
+            locationAdapter.add(location)
             requireBinding().locationsEmpty.isVisible = false
         } else {
             requireContext().showToast(R.string.err_bad_location)

app/src/main/java/org/oxycblt/musikr/Indexer.kt

@@ -26,6 +26,7 @@ import kotlinx.coroutines.flow.buffer
 import kotlinx.coroutines.flow.onCompletion
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
+import org.oxycblt.musikr.fs.MusicLocation
 import org.oxycblt.musikr.model.MutableLibrary
 import org.oxycblt.musikr.pipeline.EvaluateStep
 import org.oxycblt.musikr.pipeline.ExploreStep
@@ -34,7 +35,7 @@ import org.oxycblt.musikr.tag.Interpretation
 
 interface Indexer {
     suspend fun run(
-        uris: List<Uri>,
+        locations: MusicLocation,
         interpretation: Interpretation,
         onProgress: suspend (IndexingProgress) -> Unit = {}
     ): MutableLibrary
@@ -59,7 +60,7 @@ constructor(
     private val evaluateStep: EvaluateStep
 ) : Indexer {
     override suspend fun run(
-        uris: List<Uri>,
+        locations: MusicLocation,
         interpretation: Interpretation,
         onProgress: suspend (IndexingProgress) -> Unit
     ) = coroutineScope {

app/src/main/java/org/oxycblt/musikr/fs/DeviceFiles.kt

@@ -35,7 +35,7 @@ import org.oxycblt.musikr.fs.path.DocumentPathFactory
 import timber.log.Timber
 
 interface DeviceFiles {
-    fun explore(uris: Flow<Uri>): Flow<DeviceFile>
+    fun explore(locations: Flow<MusicLocation>): Flow<DeviceFile>
 }
 
 data class DeviceFile(
@@ -50,19 +50,17 @@ data class DeviceFile(
 class DeviceFilesImpl
 @Inject
 constructor(
-    @ApplicationContext private val context: Context,
-    private val documentPathFactory: DocumentPathFactory
+    @ApplicationContext private val context: Context
 ) : DeviceFiles {
     private val contentResolver = context.contentResolverSafe
 
-    override fun explore(uris: Flow<Uri>): Flow<DeviceFile> =
-        uris.flatMapMerge { rootUri ->
-            Timber.d("$rootUri")
+    override fun explore(locations: Flow<MusicLocation>): Flow<DeviceFile> =
+        locations.flatMapMerge { location ->
             exploreImpl(
                 contentResolver,
-                rootUri,
-                DocumentsContract.getTreeDocumentId(rootUri),
-                requireNotNull(documentPathFactory.unpackDocumentTreeUri(rootUri)))
+                location.uri,
+                DocumentsContract.getTreeDocumentId(location.uri),
+                location.path)
         }
 
     private fun exploreImpl(

app/src/main/java/org/oxycblt/musikr/fs/FsModule.kt

@@ -56,4 +56,6 @@ interface FsBindsModule {
     fun documentPathFactory(documentTreePathFactory: DocumentPathFactoryImpl): DocumentPathFactory
 
     @Binds fun deviceFiles(deviceFilesImpl: DeviceFilesImpl): DeviceFiles
+
+    @Binds fun musicLocationFactory(musicLocationFactoryImpl: MusicLocationFactoryImpl): MusicLocation.Factory
 }

app/src/main/java/org/oxycblt/musikr/fs/MusicLocation.kt

@@ -0,0 +1,36 @@
+package org.oxycblt.musikr.fs
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.provider.DocumentsContract
+import dagger.hilt.android.qualifiers.ApplicationContext
+import org.oxycblt.musikr.fs.path.DocumentPathFactory
+import javax.inject.Inject
+
+class MusicLocation internal constructor(val uri: Uri, val path: Path) {
+    override fun equals(other: Any?) =
+        other is MusicLocation && uri == other.uri && path == other.path
+
+    override fun hashCode() = 31 * uri.hashCode() + path.hashCode()
+    override fun toString() = "src:$uri=$path"
+
+    interface Factory {
+        fun create(uri: Uri): MusicLocation?
+    }
+}
+
+class MusicLocationFactoryImpl @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val documentPathFactory: DocumentPathFactory
+) : MusicLocation.Factory {
+    override fun create(uri: Uri): MusicLocation? {
+        check(DocumentsContract.isTreeUri(uri)) { "URI $uri is not a document tree URI" }
+        val path = documentPathFactory.unpackDocumentTreeUri(uri) ?: return null
+        context.contentResolverSafe.takePersistableUriPermission(
+            uri,
+            Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+        )
+        return MusicLocation(uri, path)
+    }
+}