Check external storage permission before attempting to searcg files

files/src/main/java/de/mm20/launcher2/files/FilesRepository.kt

@@ -9,6 +9,7 @@ import de.mm20.launcher2.files.providers.OwncloudFileProvider
 import de.mm20.launcher2.hiddenitems.HiddenItemsRepository
 import de.mm20.launcher2.nextcloud.NextcloudApiHelper
 import de.mm20.launcher2.owncloud.OwncloudClient
+import de.mm20.launcher2.permissions.PermissionsManager
 import de.mm20.launcher2.preferences.LauncherDataStore
 import de.mm20.launcher2.search.data.*
 import kotlinx.coroutines.*
@@ -22,7 +23,8 @@ interface FileRepository {
 internal class FileRepositoryImpl(
     private val context: Context,
     hiddenItemsRepository: HiddenItemsRepository,
-    private val dataStore: LauncherDataStore
+    private val dataStore: LauncherDataStore,
+    private val permissionsManager: PermissionsManager,
 ) : FileRepository {
 
     private val scope = CoroutineScope(Job() + Dispatchers.Default)
@@ -43,7 +45,7 @@ internal class FileRepositoryImpl(
             dataStore.data.map { it.fileSearch }.distinctUntilChanged().collectLatest {
                 val provs = mutableListOf<FileProvider>()
                 if (it.localFiles) {
-                    provs += LocalFileProvider(context)
+                    provs += LocalFileProvider(context, permissionsManager)
                 }
                 if (it.nextcloud) {
                     provs += NextcloudFileProvider(nextcloudClient)

files/src/main/java/de/mm20/launcher2/files/Module.kt

@@ -5,5 +5,5 @@ import org.koin.androidx.viewmodel.dsl.viewModel
 import org.koin.dsl.module
 
 val filesModule = module {
-    single<FileRepository> { FileRepositoryImpl(androidContext(), get(), get()) }
+    single<FileRepository> { FileRepositoryImpl(androidContext(), get(), get(), get()) }
 }

files/src/main/java/de/mm20/launcher2/files/providers/LocalFileProvider.kt

@@ -3,15 +3,21 @@ package de.mm20.launcher2.files.providers
 import android.content.Context
 import android.provider.MediaStore
 import androidx.core.database.getStringOrNull
+import de.mm20.launcher2.permissions.PermissionGroup
+import de.mm20.launcher2.permissions.PermissionsManager
 import de.mm20.launcher2.search.data.File
 import de.mm20.launcher2.search.data.LocalFile
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
 internal class LocalFileProvider(
-    private val context: Context
+    private val context: Context,
+    private val permissionsManager: PermissionsManager
 ): FileProvider {
     override suspend fun search(query: String): List<File> = withContext(Dispatchers.IO) {
+        if (!permissionsManager.checkPermissionOnce(PermissionGroup.ExternalStorage)) {
+            return@withContext emptyList()
+        }
         val results = mutableListOf<LocalFile>()
         val uri = MediaStore.Files.getContentUri("external").buildUpon()
             .appendQueryParameter("limit", "10").build()