Fixes

app/src/main/kotlin/org/koitharu/kotatsu/local/data/importer/SingleMangaImporter.kt

@@ -47,7 +47,7 @@ class SingleMangaImporter @Inject constructor(
 		val contentResolver = storageManager.contentResolver
 		val name = contentResolver.resolveName(uri) ?: throw IOException("Cannot fetch name from uri: $uri")
 		if (!hasCbzExtension(name)) {
-			throw UnsupportedFileException("Unsupported file on $uri")
+			throw UnsupportedFileException("Unsupported file $name on $uri")
 		}
 		val dest = File(getOutputDir(), name)
 		runInterruptible {

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/ImportDialogFragment.kt

@@ -13,9 +13,14 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.AlertDialogFragment
 import org.koitharu.kotatsu.core.util.ext.tryLaunch
 import org.koitharu.kotatsu.databinding.DialogImportBinding
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import javax.inject.Inject
 
 class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.OnClickListener {
 
+	@Inject
+	lateinit var storageManager: LocalStorageManager
+
 	private val importFileCall = registerForActivityResult(ActivityResultContracts.OpenMultipleDocuments()) {
 		startImport(it)
 	}
@@ -55,6 +60,9 @@ class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.On
 		if (uris.isEmpty()) {
 			return
 		}
+		uris.forEach {
+			storageManager.takePermissions(it)
+		}
 		val ctx = requireContext()
 		ImportWorker.start(ctx, uris)
 		Toast.makeText(ctx, R.string.import_will_start_soon, Toast.LENGTH_LONG).show()

app/src/main/kotlin/org/koitharu/kotatsu/reader/domain/PageLoader.kt

@@ -201,7 +201,7 @@ class PageLoader @Inject constructor(
 
 	private suspend fun loadPageImpl(page: MangaPage, progress: MutableStateFlow<Float>): Uri = semaphore.withPermit {
 		val pageUrl = getPageUrl(page)
-		check(pageUrl.isNotBlank()) { "Cannot obtain full image url" }
+		check(pageUrl.isNotBlank()) { "Cannot obtain full image url for $page" }
 		val uri = Uri.parse(pageUrl)
 		return if (uri.isZipUri()) {
 			if (uri.scheme == URI_SCHEME_ZIP) {