Janis
fd4e67d4f7
Build & Test (NowChessSystems) TeamCity build finished
Reviewed-on: #27 Reviewed-by: Leon Hermann <lq@blackhole.local> Co-authored-by: Janis <janis.e.20@gmx.de> Co-committed-by: Janis <janis.e.20@gmx.de>
39 lines
1.4 KiB
Scala
39 lines
1.4 KiB
Scala
package de.nowchess.io
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import de.nowchess.api.game.GameContext
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import java.nio.file.{Files, Path}
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import java.nio.charset.StandardCharsets
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import scala.util.Try
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/** Service for persisting and loading game states to/from disk.
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*
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* Abstracts file I/O operations away from the UI layer. Handles both reading and writing game files.
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*/
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trait GameFileService:
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def saveGameToFile(context: GameContext, path: Path, exporter: GameContextExport): Either[String, Unit]
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def loadGameFromFile(path: Path, importer: GameContextImport): Either[String, GameContext]
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/** Default implementation using the file system. */
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object FileSystemGameService extends GameFileService:
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/** Save a game context to a file using the specified exporter. */
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def saveGameToFile(context: GameContext, path: Path, exporter: GameContextExport): Either[String, Unit] =
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Try {
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val json = exporter.exportGameContext(context)
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Files.write(path, json.getBytes(StandardCharsets.UTF_8))
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()
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}.fold(
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ex => Left(s"Failed to save file: ${ex.getMessage}"),
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_ => Right(()),
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)
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/** Load a game context from a file using the specified importer. */
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def loadGameFromFile(path: Path, importer: GameContextImport): Either[String, GameContext] =
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Try {
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val json = new String(Files.readAllBytes(path), StandardCharsets.UTF_8)
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importer.importGameContext(json)
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}.fold(
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ex => Left(s"Failed to load file: ${ex.getMessage}"),
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result => result,
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)
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