Make some error messages localizable (#9811)

* Make error message of 3 exceptions localizable.

* Revert unnecessary file handle exception change.

app/src/main/java/eu/kanade/presentation/util/ExceptionFormatter.kt

@@ -3,6 +3,7 @@ package eu.kanade.presentation.util
 import android.content.Context
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.network.HttpException
+import eu.kanade.tachiyomi.source.online.LicensedMangaChaptersException
 import tachiyomi.data.source.NoResultsException
 import tachiyomi.domain.source.model.SourceNotInstalledException
 
@@ -13,6 +14,7 @@ val Throwable.formattedMessage: String
             is NoResultsException -> return getString(R.string.no_results_found)
             is SourceNotInstalledException -> return getString(R.string.loader_not_implemented_error)
             is HttpException -> return "$message: ${getString(R.string.http_error_hint)}"
+            is LicensedMangaChaptersException -> return getString(R.string.licensed_manga_chapters_error)
         }
         return when (val className = this::class.simpleName) {
             "Exception", "IOException" -> message ?: className

app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt

@@ -106,10 +106,10 @@ class BackupManager(
                     UniFile.fromUri(context, uri)
                 }
                 )
-                ?: throw Exception("Couldn't create backup file")
+                ?: throw Exception(context.getString(R.string.create_backup_file_error))
 
             if (!file.isFile) {
-                throw IllegalStateException("Failed to get handle on file")
+                throw IllegalStateException("Failed to get handle on a backup file")
             }
 
             val byteArray = parser.encodeToByteArray(BackupSerializer, backup)

i18n/src/main/res/values/strings.xml

@@ -495,6 +495,7 @@
     <string name="creating_backup_error">Backup failed</string>
     <string name="missing_storage_permission">Storage permissions not granted</string>
     <string name="empty_backup_error">No library entries to back up</string>
+    <string name="create_backup_file_error">Couldn\'t create a backup file</string>
     <string name="restore_miui_warning">Backup/restore may not function properly if MIUI Optimization is disabled.</string>
     <string name="restore_in_progress">Restore is already in progress</string>
     <string name="restoring_backup">Restoring backup</string>
@@ -608,6 +609,7 @@
     <string name="no_results_found">No results found</string>
     <!-- Do not translate "WebView" -->
     <string name="http_error_hint">Check website in WebView</string>
+    <string name="licensed_manga_chapters_error">Licensed - No chapters to show</string>
     <string name="local_source">Local source</string>
     <string name="other_source">Other</string>
     <string name="last_used_source">Last used</string>

source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt

@@ -215,7 +215,7 @@ abstract class HttpSource : CatalogueSource {
                     chapterListParse(response)
                 }
         } else {
-            Observable.error(Exception("Licensed - No chapters to show"))
+            Observable.error(LicensedMangaChaptersException())
         }
     }
 
@@ -404,3 +404,5 @@ abstract class HttpSource : CatalogueSource {
      */
     override fun getFilterList() = FilterList()
 }
+
+class LicensedMangaChaptersException : Exception("Licensed - No chapters to show")