feat: add BookOasis document reader and text settings

source-local/src/main/kotlin/tachiyomi/source/local/LocalSource.kt

@@ -290,7 +290,13 @@ class LocalSource(
         val chapters = fileSystem.getFilesInMangaDirectory(manga.url)
             // Only keep supported formats
             .filterNot { it.name.orEmpty().startsWith('.') }
-            .filter { it.isDirectory || Archive.isSupported(it) || it.extension.equals("epub", true) }
+            .filter {
+                it.isDirectory ||
+                    Archive.isSupported(it) ||
+                    it.extension.equals("epub", true) ||
+                    it.extension.equals("pdf", true) ||
+                    it.extension.equals("txt", true)
+            }
             .map { chapterFile ->
                 SChapter.create().apply {
                     url = "${manga.url}/${chapterFile.name}"
@@ -385,6 +391,9 @@ class LocalSource(
                         entry?.let { coverManager.update(manga, epub.getInputStream(it)!!) }
                     }
                 }
+                is Format.Pdf,
+                is Format.Text,
+                -> null
             }
         } catch (e: Throwable) {
             logcat(LogPriority.ERROR, e) { "Error updating cover for ${manga.title}" }

source-local/src/main/kotlin/tachiyomi/source/local/io/Format.kt

@@ -8,6 +8,8 @@ sealed interface Format {
     data class Directory(val file: UniFile) : Format
     data class Archive(val file: UniFile) : Format
     data class Epub(val file: UniFile) : Format
+    data class Pdf(val file: UniFile) : Format
+    data class Text(val file: UniFile) : Format
 
     class UnknownFormatException : Exception()
 
@@ -16,6 +18,8 @@ sealed interface Format {
         fun valueOf(file: UniFile) = when {
             file.isDirectory -> Directory(file)
             file.extension.equals("epub", true) -> Epub(file)
+            file.extension.equals("pdf", true) -> Pdf(file)
+            file.extension.equals("txt", true) -> Text(file)
             isArchiveSupported(file) -> Archive(file)
             else -> throw UnknownFormatException()
         }