Changes 1: Refactor content storage to use new VersionId class

src/Cms/File.php

@@ -4,6 +4,7 @@
 
 use Exception;
 use IntlDateFormatter;
+use Kirby\Content\VersionId;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Filesystem\F;
 use Kirby\Filesystem\IsFile;
@@ -425,7 +426,7 @@ public function modified(
 	 */
 	protected function modifiedContent(string|null $languageCode = null): int
 	{
-		return $this->storage()->modified('published', $languageCode) ?? 0;
+		return $this->storage()->modified(VersionId::published(), $languageCode) ?? 0;
 	}
 
 	/**

src/Cms/ModelWithContent.php

@@ -7,6 +7,7 @@
 use Kirby\Content\ContentStorage;
 use Kirby\Content\ContentTranslation;
 use Kirby\Content\PlainTextContentStorageHandler;
+use Kirby\Content\VersionId;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\NotFoundException;
 use Kirby\Form\Form;
@@ -187,7 +188,7 @@ protected function convertTo(string $blueprint): static
 		$new = $this->clone(['template' => $blueprint]);
 
 		// temporary compatibility change (TODO: also convert changes)
-		$identifier = $this->storage()->defaultVersion();
+		$identifier = VersionId::default($this);
 
 		// for multilang, we go through all translations and
 		// covnert the content for each of them, remove the content file
@@ -418,7 +419,7 @@ public function readContent(string|null $languageCode = null): array
 	{
 		try {
 			return $this->storage()->read(
-				$this->storage()->defaultVersion(),
+				VersionId::default($this),
 				$languageCode
 			);
 		} catch (NotFoundException) {
@@ -737,7 +738,7 @@ public function uuid(): Uuid|null
 	public function writeContent(array $data, string|null $languageCode = null): bool
 	{
 		$data = $this->contentFileData($data, $languageCode);
-		$id   = $this->storage()->defaultVersion();
+		$id   = VersionId::default($this);
 
 		try {
 			// we can only update if the version already exists

src/Cms/Page.php

@@ -4,6 +4,7 @@
 
 use Closure;
 use Kirby\Content\Field;
+use Kirby\Content\VersionId;
 use Kirby\Exception\Exception;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\NotFoundException;
@@ -826,10 +827,8 @@ public function modified(
 		string|null $handler = null,
 		string|null $languageCode = null
 	): int|string|false|null {
-		$identifier = $this->isDraft() === true ? 'changes' : 'published';
-
 		$modified = $this->storage()->modified(
-			$identifier,
+			VersionId::default($this),
 			$languageCode
 		);
 

src/Cms/PageActions.php

@@ -3,6 +3,7 @@
 namespace Kirby\Cms;
 
 use Closure;
+use Kirby\Content\VersionId;
 use Kirby\Exception\DuplicateException;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\LogicException;
@@ -471,8 +472,8 @@ public function copy(array $options = []): static
 				$ignore[] = $file->root();
 
 				// append all content files
-				array_push($ignore, ...$file->storage()->contentFiles('published'));
-				array_push($ignore, ...$file->storage()->contentFiles('changes'));
+				array_push($ignore, ...$file->storage()->contentFiles(VersionId::published()));
+				array_push($ignore, ...$file->storage()->contentFiles(VersionId::changes()));
 			}
 		}
 

src/Cms/System.php

@@ -3,6 +3,7 @@
 namespace Kirby\Cms;
 
 use Kirby\Cms\System\UpdateStatus;
+use Kirby\Content\VersionId;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\PermissionException;
 use Kirby\Filesystem\Dir;
@@ -76,7 +77,7 @@ public function exposedFileUrl(string $folder): string|null
 		switch ($folder) {
 			case 'content':
 				return $url . '/' . basename($this->app->site()->storage()->contentFile(
-					'published',
+					VersionId::published(),
 					'default'
 				));
 			case 'git':

src/Cms/User.php

@@ -5,6 +5,7 @@
 use Closure;
 use Exception;
 use Kirby\Content\Field;
+use Kirby\Content\VersionId;
 use Kirby\Exception\InvalidArgumentException;
 use Kirby\Exception\NotFoundException;
 use Kirby\Exception\PermissionException;
@@ -204,7 +205,7 @@ public function email(): string|null
 	public function exists(): bool
 	{
 		return $this->storage()->exists(
-			'published',
+			VersionId::published(),
 			'default'
 		);
 	}
@@ -468,7 +469,7 @@ public function modified(
 		string|null $handler = null,
 		string|null $languageCode = null
 	): int|string|false {
-		$modifiedContent = $this->storage()->modified('published', $languageCode);
+		$modifiedContent = $this->storage()->modified(VersionId::published(), $languageCode);
 		$modifiedIndex   = F::modified($this->root() . '/index.php');
 		$modifiedTotal   = max([$modifiedContent, $modifiedIndex]);
 

src/Content/ContentStorage.php

@@ -53,9 +53,9 @@ public function __call(string $name, array $args): mixed
 	public function all(): Generator
 	{
 		foreach ($this->model->kirby()->languages()->codes() as $lang) {
-			foreach ($this->dynamicVersions() as $version) {
-				if ($this->exists($version, $lang) === true) {
-					yield $version => $lang;
+			foreach ($this->dynamicVersions() as $versionId) {
+				if ($this->exists($versionId, $lang) === true) {
+					yield $versionId => $lang;
 				}
 			}
 		}
@@ -71,12 +71,12 @@ public function all(): Generator
 	 * @throws \Kirby\Exception\LogicException If the model type doesn't have a known content filename
 	 */
 	public function contentFile(
-		string $version,
+		VersionId $versionId,
 		string $lang,
 		bool $force = false
 	): string {
 		$lang = $this->language($lang, $force);
-		return $this->handler->contentFile($version, $lang);
+		return $this->handler->contentFile($versionId, $lang);
 	}
 
 	/**
@@ -88,8 +88,8 @@ public function convertLanguage(string $from, string $to): void
 		$from = $this->language($from, true);
 		$to   = $this->language($to, true);
 
-		foreach ($this->dynamicVersions() as $version) {
-			$this->handler->move($version, $from, $version, $to);
+		foreach ($this->dynamicVersions() as $versionId) {
+			$this->handler->move($versionId, $from, $versionId, $to);
 		}
 	}
 
@@ -100,28 +100,12 @@ public function convertLanguage(string $from, string $to): void
 	 * @param array<string, string> $fields Content fields
 	 */
 	public function create(
-		string $versionType,
+		VersionId $versionId,
 		string|null $lang,
 		array $fields
 	): void {
 		$lang = $this->language($lang);
-		$this->handler->create($versionType, $lang, $fields);
-	}
-
-	/**
-	 * Returns the default version identifier for the model
-	 * @internal
-	 */
-	public function defaultVersion(): string
-	{
-		if (
-			$this->model instanceof Page === true &&
-			$this->model->isDraft() === true
-		) {
-			return 'changes';
-		}
-
-		return 'published';
+		$this->handler->create($versionId, $lang, $fields);
 	}
 
 	/**
@@ -130,12 +114,12 @@ public function defaultVersion(): string
 	 * @param string $lang Code `'default'` in a single-lang installation
 	 */
 	public function delete(
-		string $version,
+		VersionId $versionId,
 		string|null $lang = null,
 		bool $force = false
 	): void {
 		$lang = $this->language($lang, $force);
-		$this->handler->delete($version, $lang);
+		$this->handler->delete($versionId, $lang);
 	}
 
 	/**
@@ -157,13 +141,13 @@ public function deleteLanguage(string|null $lang): void
 	 */
 	public function dynamicVersions(): array
 	{
-		$versions = ['changes'];
+		$versions = [VersionId::changes()];
 
 		if (
 			$this->model instanceof Page === false ||
 			$this->model->isDraft() === false
 		) {
-			$versions[] = 'published';
+			$versions[] = VersionId::published();
 		}
 
 		return $versions;
@@ -176,14 +160,14 @@ public function dynamicVersions(): array
 	 *                          checks for "any language" if not provided
 	 */
 	public function exists(
-		string $version,
+		VersionId $versionId,
 		string|null $lang
 	): bool {
 		if ($lang !== null) {
 			$lang = $this->language($lang);
 		}
 
-		return $this->handler->exists($version, $lang);
+		return $this->handler->exists($versionId, $lang);
 	}
 
 	/**
@@ -193,11 +177,11 @@ public function exists(
 	 * @param string $lang Code `'default'` in a single-lang installation
 	 */
 	public function modified(
-		string $version,
+		VersionId $versionId,
 		string|null $lang = null
 	): int|null {
 		$lang = $this->language($lang);
-		return $this->handler->modified($version, $lang);
+		return $this->handler->modified($versionId, $lang);
 	}
 
 	/**
@@ -209,12 +193,12 @@ public function modified(
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
 	public function read(
-		string $version,
+		VersionId $versionId,
 		string|null $lang = null
 	): array {
 		$lang = $this->language($lang);
-		$this->ensureExistingVersion($version, $lang);
-		return $this->handler->read($version, $lang);
+		$this->ensureExistingVersion($versionId, $lang);
+		return $this->handler->read($versionId, $lang);
 	}
 
 	/**
@@ -225,12 +209,12 @@ public function read(
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
 	public function touch(
-		string $version,
+		VersionId $versionId,
 		string|null $lang = null
 	): void {
 		$lang = $this->language($lang);
-		$this->ensureExistingVersion($version, $lang);
-		$this->handler->touch($version, $lang);
+		$this->ensureExistingVersion($versionId, $lang);
+		$this->handler->touch($versionId, $lang);
 	}
 
 	/**
@@ -257,24 +241,24 @@ public function touchLanguage(string|null $lang): void
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
 	public function update(
-		string $version,
+		VersionId $versionId,
 		string|null $lang = null,
 		array $fields = []
 	): void {
 		$lang = $this->language($lang);
-		$this->ensureExistingVersion($version, $lang);
-		$this->handler->update($version, $lang, $fields);
+		$this->ensureExistingVersion($versionId, $lang);
+		$this->handler->update($versionId, $lang, $fields);
 	}
 
 	/**
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
 	protected function ensureExistingVersion(
-		string $version,
+		VersionId $versionId,
 		string $lang
 	): void {
-		if ($this->exists($version, $lang) !== true) {
-			throw new NotFoundException('Version "' . $version . ' (' . $lang . ')" does not already exist');
+		if ($this->exists($versionId, $lang) !== true) {
+			throw new NotFoundException('Version "' . $versionId . ' (' . $lang . ')" does not already exist');
 		}
 	}
 

src/Content/ContentStorageHandler.php

@@ -28,29 +28,29 @@ public function __construct(ModelWithContent $model);
 	 * @param string $lang Code `'default'` in a single-lang installation
 	 * @param array<string, string> $fields Content fields
 	 */
-	public function create(string $versionType, string $lang, array $fields): void;
+	public function create(VersionId $versionId, string $lang, array $fields): void;
 
 	/**
 	 * Deletes an existing version in an idempotent way if it was already deleted
 	 *
 	 * @param string $lang Code `'default'` in a single-lang installation
 	 */
-	public function delete(string $version, string $lang): void;
+	public function delete(VersionId $versionId, string $lang): void;
 
 	/**
 	 * Checks if a version exists
 	 *
 	 * @param string|null $lang Code `'default'` in a single-lang installation;
 	 *                          checks for "any language" if not provided
 	 */
-	public function exists(string $version, string|null $lang): bool;
+	public function exists(VersionId $versionId, string|null $lang): bool;
 
 	/**
 	 * Returns the modification timestamp of a version if it exists
 	 *
 	 * @param string $lang Code `'default'` in a single-lang installation
 	 */
-	public function modified(string $version, string $lang): int|null;
+	public function modified(VersionId $versionId, string $lang): int|null;
 
 	/**
 	 * Moves content from one version-language combination to another
@@ -59,9 +59,9 @@ public function modified(string $version, string $lang): int|null;
 	 * @param string $toLang Code `'default'` in a single-lang installation
 	 */
 	public function move(
-		string $fromVersion,
+		VersionId $fromVersionId,
 		string $fromLang,
-		string $toVersion,
+		VersionId $toVersionId,
 		string $toLang
 	): void;
 
@@ -73,7 +73,7 @@ public function move(
 	 *
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
-	public function read(string $version, string $lang): array;
+	public function read(VersionId $versionId, string $lang): array;
 
 	/**
 	 * Updates the modification timestamp of an existing version
@@ -82,7 +82,7 @@ public function read(string $version, string $lang): array;
 	 *
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
-	public function touch(string $version, string $lang): void;
+	public function touch(VersionId $versionId, string $lang): void;
 
 	/**
 	 * Updates the content fields of an existing version
@@ -92,5 +92,5 @@ public function touch(string $version, string $lang): void;
 	 *
 	 * @throws \Kirby\Exception\NotFoundException If the version does not exist
 	 */
-	public function update(string $version, string $lang, array $fields): void;
+	public function update(VersionId $versionId, string $lang, array $fields): void;
 }