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re_capitulating_queer/kirby/src/Cms/ModelWithContent.php
Philip Wagner 78b6c0d381 init
2024-08-31 10:01:49 +02:00

830 lines
20 KiB
PHP

<?php
namespace Kirby\Cms;
use Closure;
use Kirby\Content\Content;
use Kirby\Content\ContentStorage;
use Kirby\Content\ContentTranslation;
use Kirby\Content\PlainTextContentStorageHandler;
use Kirby\Exception\InvalidArgumentException;
use Kirby\Exception\NotFoundException;
use Kirby\Form\Form;
use Kirby\Panel\Model;
use Kirby\Toolkit\Str;
use Kirby\Uuid\Identifiable;
use Kirby\Uuid\Uuid;
use Kirby\Uuid\Uuids;
use Throwable;
/**
* ModelWithContent
*
* @package Kirby Cms
* @author Bastian Allgeier <bastian@getkirby.com>
* @link https://getkirby.com
* @copyright Bastian Allgeier
* @license https://getkirby.com/license
*/
abstract class ModelWithContent implements Identifiable
{
/**
* Each model must define a CLASS_ALIAS
* which will be used in template queries.
* The CLASS_ALIAS is a short human-readable
* version of the class name, i.e. page.
*/
public const CLASS_ALIAS = null;
/**
* Cached array of valid blueprints
* that could be used for the model
*/
public array|null $blueprints = null;
public Content|null $content;
public static App $kirby;
protected Site|null $site;
protected ContentStorage $storage;
public Collection|null $translations = null;
/**
* Store values used to initilaize object
*/
protected array $propertyData = [];
public function __construct(array $props = [])
{
$this->site = $props['site'] ?? null;
$this->setContent($props['content'] ?? null);
$this->setTranslations($props['translations'] ?? null);
$this->propertyData = $props;
}
/**
* Returns the blueprint of the model
*/
abstract public function blueprint(): Blueprint;
/**
* Returns an array with all blueprints that are available
*/
public function blueprints(string $inSection = null): array
{
// helper function
$toBlueprints = function (array $sections): array {
$blueprints = [];
foreach ($sections as $section) {
if ($section === null) {
continue;
}
foreach ((array)$section->blueprints() as $blueprint) {
$blueprints[$blueprint['name']] = $blueprint;
}
}
return array_values($blueprints);
};
$blueprint = $this->blueprint();
// no caching for when collecting for specific section
if ($inSection !== null) {
return $toBlueprints([$blueprint->section($inSection)]);
}
return $this->blueprints ??= $toBlueprints($blueprint->sections());
}
/**
* Creates a new instance with the same
* initial properties
*
* @todo eventually refactor without need of propertyData
*/
public function clone(array $props = []): static
{
return new static(array_replace_recursive($this->propertyData, $props));
}
/**
* Executes any given model action
*/
abstract protected function commit(
string $action,
array $arguments,
Closure $callback
): mixed;
/**
* Returns the content
*
* @throws \Kirby\Exception\InvalidArgumentException If the language for the given code does not exist
*/
public function content(string|null $languageCode = null): Content
{
// single language support
if ($this->kirby()->multilang() === false) {
if ($this->content instanceof Content) {
return $this->content;
}
// don't normalize field keys (already handled by the `Data` class)
return $this->content = new Content($this->readContent(), $this, false);
}
// get the targeted language
$language = $this->kirby()->language($languageCode);
// stop if the language does not exist
if ($language === null) {
throw new InvalidArgumentException('Invalid language: ' . $languageCode);
}
// only fetch from cache for the current language
if ($languageCode === null && $this->content instanceof Content) {
return $this->content;
}
// get the translation by code
$translation = $this->translation($language->code());
// don't normalize field keys (already handled by the `ContentTranslation` class)
$content = new Content($translation->content(), $this, false);
// only store the content for the current language
if ($languageCode === null) {
$this->content = $content;
}
return $content;
}
/**
* Returns the absolute path to the content file;
* NOTE: only supports the published content file
* (use `$model->storage()->contentFile()` for other versions)
* @internal
* @deprecated 4.0.0
* @todo Remove in v5
* @codeCoverageIgnore
*
* @throws \Kirby\Exception\InvalidArgumentException If the language for the given code does not exist
*/
public function contentFile(
string $languageCode = null,
bool $force = false
): string {
Helpers::deprecated('The internal $model->contentFile() method has been deprecated. You can use $model->storage()->contentFile() instead, however please note that this method is also internal and may be removed in the future.', 'model-content-file');
return $this->storage()->contentFile(
$this->storage()->defaultVersion(),
$languageCode,
$force
);
}
/**
* Returns an array with all content files;
* NOTE: only supports the published content file
* (use `$model->storage()->contentFiles()` for other versions)
* @deprecated 4.0.0
* @todo Remove in v5
* @codeCoverageIgnore
*/
public function contentFiles(): array
{
Helpers::deprecated('The internal $model->contentFiles() method has been deprecated. You can use $model->storage()->contentFiles() instead, however please note that this method is also internal and may be removed in the future.', 'model-content-file');
return $this->storage()->contentFiles(
$this->storage()->defaultVersion()
);
}
/**
* Prepares the content that should be written
* to the text file
* @internal
*/
public function contentFileData(
array $data,
string $languageCode = null
): array {
return $data;
}
/**
* Returns the absolute path to the
* folder in which the content file is
* located
* @internal
* @deprecated 4.0.0
* @todo Remove in v5
* @codeCoverageIgnore
*/
public function contentFileDirectory(): string|null
{
Helpers::deprecated('The internal $model->contentFileDirectory() method has been deprecated. Please let us know via a GitHub issue if you need this method and tell us your use case.', 'model-content-file');
return $this->root();
}
/**
* Returns the extension of the content file
* @internal
* @deprecated 4.0.0
* @todo Remove in v5
* @codeCoverageIgnore
*/
public function contentFileExtension(): string
{
Helpers::deprecated('The internal $model->contentFileName() method has been deprecated. Please let us know via a GitHub issue if you need this method and tell us your use case.', 'model-content-file');
return $this->kirby()->contentExtension();
}
/**
* Needs to be declared by the final model
* @internal
* @deprecated 4.0.0
* @todo Remove in v5
* @codeCoverageIgnore
*/
abstract public function contentFileName(): string;
/**
* Converts model to new blueprint
* incl. its content for all translations
*/
protected function convertTo(string $blueprint): static
{
// first close object with new blueprint as template
$new = $this->clone(['template' => $blueprint]);
// temporary compatibility change (TODO: also convert changes)
$identifier = $this->storage()->defaultVersion();
// for multilang, we go through all translations and
// covnert the content for each of them, remove the content file
// to rewrite it with converted content afterwards
if ($this->kirby()->multilang() === true) {
$translations = [];
foreach ($this->kirby()->languages()->codes() as $code) {
if ($this->translation($code)?->exists() === true) {
$content = $this->content($code)->convertTo($blueprint);
// delete the old text file
$this->storage()->delete(
$identifier,
$code
);
// save to re-create the translation content file
// with the converted/updated content
$new->save($content, $code);
}
$translations[] = [
'code' => $code,
'content' => $content ?? null
];
}
// cloning the object with the new translations content ensures
// that `propertyData` prop does not hold any old translations
// content that could surface on subsequent cloning
return $new->clone(['translations' => $translations]);
}
// for single language setups, we do the same,
// just once for the main content
$content = $this->content()->convertTo($blueprint);
// delete the old text file
$this->storage()->delete($identifier, 'default');
return $new->save($content);
}
/**
* Decrement a given field value
*/
public function decrement(
string $field,
int $by = 1,
int $min = 0
): static {
$value = (int)$this->content()->get($field)->value() - $by;
if ($value < $min) {
$value = $min;
}
return $this->update([$field => $value]);
}
/**
* Returns all content validation errors
*/
public function errors(): array
{
$errors = [];
foreach ($this->blueprint()->sections() as $section) {
$errors = array_merge($errors, $section->errors());
}
return $errors;
}
/**
* Creates a clone and fetches all
* lazy-loaded getters to get a full copy
*/
public function hardcopy(): static
{
$clone = $this->clone();
foreach (get_object_vars($clone) as $name => $default) {
if (method_exists($clone, $name) === true) {
$clone->$name();
}
}
return $clone;
}
/**
* Each model must return a unique id
*/
public function id(): string|null
{
return null;
}
/**
* Increment a given field value
*/
public function increment(
string $field,
int $by = 1,
int $max = null
): static {
$value = (int)$this->content()->get($field)->value() + $by;
if ($max && $value > $max) {
$value = $max;
}
return $this->update([$field => $value]);
}
/**
* Checks if the model is locked for the current user
*/
public function isLocked(): bool
{
$lock = $this->lock();
return $lock && $lock->isLocked() === true;
}
/**
* Checks if the data has any errors
*/
public function isValid(): bool
{
return Form::for($this)->isValid() === true;
}
/**
* Returns the parent Kirby instance
*/
public function kirby(): App
{
return static::$kirby ??= App::instance();
}
/**
* Returns the lock object for this model
*
* Only if a content directory exists,
* virtual pages will need to overwrite this method
*/
public function lock(): ContentLock|null
{
$dir = $this->root();
if ($this::CLASS_ALIAS === 'file') {
$dir = dirname($dir);
}
if (
$this->kirby()->option('content.locking', true) &&
is_string($dir) === true &&
file_exists($dir) === true
) {
return new ContentLock($this);
}
return null;
}
/**
* Returns the panel info of the model
* @since 3.6.0
*/
abstract public function panel(): Model;
/**
* Must return the permissions object for the model
*/
abstract public function permissions(): ModelPermissions;
/**
* Clean internal caches
*
* @return $this
*/
public function purge(): static
{
$this->blueprints = null;
$this->content = null;
$this->translations = null;
return $this;
}
/**
* Creates a string query, starting from the model
* @internal
*/
public function query(
string $query = null,
string $expect = null
): mixed {
if ($query === null) {
return null;
}
try {
$result = Str::query($query, [
'kirby' => $this->kirby(),
'site' => $this instanceof Site ? $this : $this->site(),
'model' => $this,
static::CLASS_ALIAS => $this
]);
} catch (Throwable) {
return null;
}
if ($expect !== null && $result instanceof $expect === false) {
return null;
}
return $result;
}
/**
* Read the content from the content file
* @internal
*/
public function readContent(string $languageCode = null): array
{
try {
return $this->storage()->read(
$this->storage()->defaultVersion(),
$languageCode
);
} catch (NotFoundException) {
// only if the content file really does not exist, it's ok
// to return empty content. Otherwise this could lead to
// content loss in case of file reading issues
return [];
}
}
/**
* Returns the absolute path to the model
*/
abstract public function root(): string|null;
/**
* Stores the content on disk
* @internal
*/
public function save(
array|null $data = null,
string|null $languageCode = null,
bool $overwrite = false
): static {
if ($this->kirby()->multilang() === true) {
return $this->saveTranslation($data, $languageCode, $overwrite);
}
return $this->saveContent($data, $overwrite);
}
/**
* Save the single language content
*/
protected function saveContent(
array $data = null,
bool $overwrite = false
): static {
// create a clone to avoid modifying the original
$clone = $this->clone();
// merge the new data with the existing content
$clone->content()->update($data, $overwrite);
// send the full content array to the writer
$clone->writeContent($clone->content()->toArray());
return $clone;
}
/**
* Save a translation
*
* @throws \Kirby\Exception\InvalidArgumentException If the language for the given code does not exist
*/
protected function saveTranslation(
array $data = null,
string $languageCode = null,
bool $overwrite = false
): static {
// create a clone to not touch the original
$clone = $this->clone();
// fetch the matching translation and update all the strings
$translation = $clone->translation($languageCode);
if ($translation === null) {
throw new InvalidArgumentException('Invalid language: ' . $languageCode);
}
// get the content to store
$content = $translation->update($data, $overwrite)->content();
$kirby = $this->kirby();
$languageCode = $kirby->languageCode($languageCode);
// remove all untranslatable fields
if ($languageCode !== $kirby->defaultLanguage()->code()) {
foreach ($this->blueprint()->fields() as $field) {
if (($field['translate'] ?? true) === false) {
$content[strtolower($field['name'])] = null;
}
}
// remove UUID for non-default languages
if (Uuids::enabled() === true && isset($content['uuid']) === true) {
$content['uuid'] = null;
}
// merge the translation with the new data
$translation->update($content, true);
}
// send the full translation array to the writer
$clone->writeContent($translation->content(), $languageCode);
// reset the content object
$clone->content = null;
// return the updated model
return $clone;
}
/**
* Sets the Content object
*
* @return $this
*/
protected function setContent(array $content = null): static
{
if ($content !== null) {
$content = new Content($content, $this);
}
$this->content = $content;
return $this;
}
/**
* Create the translations collection from an array
*
* @return $this
*/
protected function setTranslations(array $translations = null): static
{
if ($translations !== null) {
$this->translations = new Collection();
foreach ($translations as $props) {
$props['parent'] = $this;
$translation = new ContentTranslation($props);
$this->translations->data[$translation->code()] = $translation;
}
} else {
$this->translations = null;
}
return $this;
}
/**
* Returns the parent Site instance
*/
public function site(): Site
{
return $this->site ??= $this->kirby()->site();
}
/**
* Returns the content storage handler
* @internal
*/
public function storage(): ContentStorage
{
return $this->storage ??= new ContentStorage(
model: $this,
handler: PlainTextContentStorageHandler::class
);
}
/**
* Convert the model to a simple array
*/
public function toArray(): array
{
return [
'content' => $this->content()->toArray(),
'translations' => $this->translations()->toArray()
];
}
/**
* String template builder with automatic HTML escaping
* @since 3.6.0
*
* @param string|null $template Template string or `null` to use the model ID
* @param string|null $fallback Fallback for tokens in the template that cannot be replaced
* (`null` to keep the original token)
*/
public function toSafeString(
string $template = null,
array $data = [],
string|null $fallback = ''
): string {
return $this->toString($template, $data, $fallback, 'safeTemplate');
}
/**
* String template builder
*
* @param string|null $template Template string or `null` to use the model ID
* @param string|null $fallback Fallback for tokens in the template that cannot be replaced
* (`null` to keep the original token)
* @param string $handler For internal use
*/
public function toString(
string $template = null,
array $data = [],
string|null $fallback = '',
string $handler = 'template'
): string {
if ($template === null) {
return $this->id() ?? '';
}
if ($handler !== 'template' && $handler !== 'safeTemplate') {
throw new InvalidArgumentException('Invalid toString handler'); // @codeCoverageIgnore
}
$result = Str::$handler($template, array_replace([
'kirby' => $this->kirby(),
'site' => $this instanceof Site ? $this : $this->site(),
'model' => $this,
static::CLASS_ALIAS => $this,
], $data), ['fallback' => $fallback]);
return $result;
}
/**
* Makes it possible to convert the entire model
* to a string. Mostly useful for debugging
*/
public function __toString(): string
{
return $this->id();
}
/**
* Returns a single translation by language code
* If no code is specified the current translation is returned
*/
public function translation(
string $languageCode = null
): ContentTranslation|null {
if ($language = $this->kirby()->language($languageCode)) {
return $this->translations()->find($language->code());
}
return null;
}
/**
* Returns the translations collection
*/
public function translations(): Collection
{
if ($this->translations !== null) {
return $this->translations;
}
$this->translations = new Collection();
foreach ($this->kirby()->languages() as $language) {
$translation = new ContentTranslation([
'parent' => $this,
'code' => $language->code(),
]);
$this->translations->data[$translation->code()] = $translation;
}
return $this->translations;
}
/**
* Updates the model data
*
* @throws \Kirby\Exception\InvalidArgumentException If the input array contains invalid values
*/
public function update(
array $input = null,
string $languageCode = null,
bool $validate = false
): static {
$form = Form::for($this, [
'ignoreDisabled' => $validate === false,
'input' => $input,
'language' => $languageCode,
]);
// validate the input
if ($validate === true && $form->isInvalid() === true) {
throw new InvalidArgumentException([
'fallback' => 'Invalid form with errors',
'details' => $form->errors()
]);
}
return $this->commit(
'update',
[
static::CLASS_ALIAS => $this,
'values' => $form->data(),
'strings' => $form->strings(),
'languageCode' => $languageCode
],
fn ($model, $values, $strings, $languageCode) =>
$model->save($strings, $languageCode, true)
);
}
/**
* Returns the model's UUID
* @since 3.8.0
*/
public function uuid(): Uuid|null
{
return Uuid::for($this);
}
/**
* Low level data writer method
* to store the given data on disk or anywhere else
* @internal
*/
public function writeContent(array $data, string $languageCode = null): bool
{
$data = $this->contentFileData($data, $languageCode);
$id = $this->storage()->defaultVersion();
try {
// we can only update if the version already exists
$this->storage()->update($id, $languageCode, $data);
} catch (NotFoundException) {
// otherwise create a new version
$this->storage()->create($id, $languageCode, $data);
}
return true;
}
}