julienmonnerie/kirby/src/Cms/ModelWithContent.php
2022-06-17 18:02:55 +02:00

700 lines
19 KiB
PHP

<?php
namespace Kirby\Cms;
use Closure;
use Kirby\Data\Data;
use Kirby\Exception\InvalidArgumentException;
use Kirby\Form\Form;
use Kirby\Toolkit\Str;
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 extends Model
{
/**
* The content
*
* @var \Kirby\Cms\Content
*/
public $content;
/**
* @var \Kirby\Cms\Translations
*/
public $translations;
/**
* Returns the blueprint of the model
*
* @return \Kirby\Cms\Blueprint
*/
abstract public function blueprint();
/**
* Returns an array with all blueprints that are available
*
* @param string|null $inSection
* @return array
*/
public function blueprints(string $inSection = null): array
{
$blueprints = [];
$blueprint = $this->blueprint();
$sections = $inSection !== null ? [$blueprint->section($inSection)] : $blueprint->sections();
foreach ($sections as $section) {
if ($section === null) {
continue;
}
foreach ((array)$section->blueprints() as $blueprint) {
$blueprints[$blueprint['name']] = $blueprint;
}
}
return array_values($blueprints);
}
/**
* Executes any given model action
*
* @param string $action
* @param array $arguments
* @param \Closure $callback
* @return mixed
*/
abstract protected function commit(string $action, array $arguments, Closure $callback);
/**
* Returns the content
*
* @param string|null $languageCode
* @return \Kirby\Cms\Content
* @throws \Kirby\Exception\InvalidArgumentException If the language for the given code does not exist
*/
public function content(string $languageCode = null)
{
// single language support
if ($this->kirby()->multilang() === false) {
if (is_a($this->content, 'Kirby\Cms\Content') === true) {
return $this->content;
}
return $this->setContent($this->readContent())->content;
// multi language support
} else {
// only fetch from cache for the default language
if ($languageCode === null && is_a($this->content, 'Kirby\Cms\Content') === true) {
return $this->content;
}
// get the translation by code
if ($translation = $this->translation($languageCode)) {
$content = new Content($translation->content(), $this);
} else {
throw new InvalidArgumentException('Invalid language: ' . $languageCode);
}
// only store the content for the current language
if ($languageCode === null) {
$this->content = $content;
}
return $content;
}
}
/**
* Returns the absolute path to the content file
*
* @internal
* @param string|null $languageCode
* @param bool $force
* @return string
* @throws \Kirby\Exception\InvalidArgumentException If the language for the given code does not exist
*/
public function contentFile(string $languageCode = null, bool $force = false): string
{
$extension = $this->contentFileExtension();
$directory = $this->contentFileDirectory();
$filename = $this->contentFileName();
// overwrite the language code
if ($force === true) {
if (empty($languageCode) === false) {
return $directory . '/' . $filename . '.' . $languageCode . '.' . $extension;
} else {
return $directory . '/' . $filename . '.' . $extension;
}
}
// add and validate the language code in multi language mode
if ($this->kirby()->multilang() === true) {
if ($language = $this->kirby()->languageCode($languageCode)) {
return $directory . '/' . $filename . '.' . $language . '.' . $extension;
} else {
throw new InvalidArgumentException('Invalid language: ' . $languageCode);
}
} else {
return $directory . '/' . $filename . '.' . $extension;
}
}
/**
* Returns an array with all content files
*
* @return array
*/
public function contentFiles(): array
{
if ($this->kirby()->multilang() === true) {
$files = [];
foreach ($this->kirby()->languages()->codes() as $code) {
$files[] = $this->contentFile($code);
}
return $files;
} else {
return [
$this->contentFile()
];
}
}
/**
* Prepares the content that should be written
* to the text file
*
* @internal
* @param array $data
* @param string|null $languageCode
* @return array
*/
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
* @return string|null
*/
public function contentFileDirectory(): ?string
{
return $this->root();
}
/**
* Returns the extension of the content file
*
* @internal
* @return string
*/
public function contentFileExtension(): string
{
return $this->kirby()->contentExtension();
}
/**
* Needs to be declared by the final model
*
* @internal
* @return string
*/
abstract public function contentFileName(): string;
/**
* Decrement a given field value
*
* @param string $field
* @param int $by
* @param int $min
* @return static
*/
public function decrement(string $field, int $by = 1, int $min = 0)
{
$value = (int)$this->content()->get($field)->value() - $by;
if ($value < $min) {
$value = $min;
}
return $this->update([$field => $value]);
}
/**
* Returns all content validation errors
*
* @return array
*/
public function errors(): array
{
$errors = [];
foreach ($this->blueprint()->sections() as $section) {
$errors = array_merge($errors, $section->errors());
}
return $errors;
}
/**
* Increment a given field value
*
* @param string $field
* @param int $by
* @param int|null $max
* @return static
*/
public function increment(string $field, int $by = 1, int $max = null)
{
$value = (int)$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
*
* @return bool
*/
public function isLocked(): bool
{
$lock = $this->lock();
return $lock && $lock->isLocked() === true;
}
/**
* Checks if the data has any errors
*
* @return bool
*/
public function isValid(): bool
{
return Form::for($this)->hasErrors() === false;
}
/**
* Returns the lock object for this model
*
* Only if a content directory exists,
* virtual pages will need to overwrite this method
*
* @return \Kirby\Cms\ContentLock|null
*/
public function lock()
{
$dir = $this->contentFileDirectory();
if (
$this->kirby()->option('content.locking', true) &&
is_string($dir) === true &&
file_exists($dir) === true
) {
return new ContentLock($this);
}
}
/**
* Returns the panel info of the model
* @since 3.6.0
*
* @return \Kirby\Panel\Model
*/
abstract public function panel();
/**
* Must return the permissions object for the model
*
* @return \Kirby\Cms\ModelPermissions
*/
abstract public function permissions();
/**
* Creates a string query, starting from the model
*
* @internal
* @param string|null $query
* @param string|null $expect
* @return mixed
*/
public function query(string $query = null, string $expect = null)
{
if ($query === null) {
return null;
}
try {
$result = Str::query($query, [
'kirby' => $this->kirby(),
'site' => is_a($this, 'Kirby\Cms\Site') ? $this : $this->site(),
'model' => $this,
static::CLASS_ALIAS => $this
]);
} catch (Throwable $e) {
return null;
}
if ($expect !== null && is_a($result, $expect) !== true) {
return null;
}
return $result;
}
/**
* Read the content from the content file
*
* @internal
* @param string|null $languageCode
* @return array
*/
public function readContent(string $languageCode = null): array
{
try {
return Data::read($this->contentFile($languageCode));
} catch (Throwable $e) {
return [];
}
}
/**
* Returns the absolute path to the model
*
* @return string|null
*/
abstract public function root(): ?string;
/**
* Stores the content on disk
*
* @internal
* @param array|null $data
* @param string|null $languageCode
* @param bool $overwrite
* @return static
*/
public function save(array $data = null, string $languageCode = null, bool $overwrite = false)
{
if ($this->kirby()->multilang() === true) {
return $this->saveTranslation($data, $languageCode, $overwrite);
} else {
return $this->saveContent($data, $overwrite);
}
}
/**
* Save the single language content
*
* @param array|null $data
* @param bool $overwrite
* @return static
*/
protected function saveContent(array $data = null, bool $overwrite = false)
{
// 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
*
* @param array|null $data
* @param string|null $languageCode
* @param bool $overwrite
* @return static
* @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)
{
// 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) {
$content[$field['name']] = 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
*
* @param array|null $content
* @return $this
*/
protected function setContent(array $content = null)
{
if ($content !== null) {
$content = new Content($content, $this);
}
$this->content = $content;
return $this;
}
/**
* Create the translations collection from an array
*
* @param array|null $translations
* @return $this
*/
protected function setTranslations(array $translations = null)
{
if ($translations !== null) {
$this->translations = new Collection();
foreach ($translations as $props) {
$props['parent'] = $this;
$translation = new ContentTranslation($props);
$this->translations->data[$translation->code()] = $translation;
}
}
return $this;
}
/**
* 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 array $data
* @param string $fallback Fallback for tokens in the template that cannot be replaced
* @return string
*/
public function toSafeString(string $template = null, array $data = [], string $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 array $data
* @param string $fallback Fallback for tokens in the template that cannot be replaced
* @param string $handler For internal use
* @return string
*/
public function toString(string $template = null, array $data = [], string $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' => $this->kirby(),
'site' => is_a($this, 'Kirby\Cms\Site') ? $this : $this->site(),
static::CLASS_ALIAS => $this
], $data), ['fallback' => $fallback]);
return $result;
}
/**
* Returns a single translation by language code
* If no code is specified the current translation is returned
*
* @param string|null $languageCode
* @return \Kirby\Cms\ContentTranslation|null
*/
public function translation(string $languageCode = null)
{
return $this->translations()->find($languageCode ?? $this->kirby()->language()->code());
}
/**
* Returns the translations collection
*
* @return \Kirby\Cms\Collection
*/
public function translations()
{
if ($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
*
* @param array|null $input
* @param string|null $languageCode
* @param bool $validate
* @return static
* @throws \Kirby\Exception\InvalidArgumentException If the input array contains invalid values
*/
public function update(array $input = null, string $languageCode = null, bool $validate = false)
{
$form = Form::for($this, [
'ignoreDisabled' => $validate === false,
'input' => $input,
'language' => $languageCode,
]);
// validate the input
if ($validate === true) {
if ($form->isInvalid() === true) {
throw new InvalidArgumentException([
'fallback' => 'Invalid form with errors',
'details' => $form->errors()
]);
}
}
$arguments = [static::CLASS_ALIAS => $this, 'values' => $form->data(), 'strings' => $form->strings(), 'languageCode' => $languageCode];
return $this->commit('update', $arguments, function ($model, $values, $strings, $languageCode) {
// save updated values
$model = $model->save($strings, $languageCode, true);
// update model in siblings collection
$model->siblings()->add($model);
return $model;
});
}
/**
* Low level data writer method
* to store the given data on disk or anywhere else
*
* @internal
* @param array $data
* @param string|null $languageCode
* @return bool
*/
public function writeContent(array $data, string $languageCode = null): bool
{
return Data::write(
$this->contentFile($languageCode),
$this->contentFileData($data, $languageCode)
);
}
/**
* Deprecated!
*/
/**
* Returns the panel icon definition
*
* @deprecated 3.6.0 Use `->panel()->image()` instead
* @todo Add `deprecated()` helper warning in 3.7.0
* @todo Remove in 3.8.0
*
* @internal
* @param array|null $params
* @return array|null
* @codeCoverageIgnore
*/
public function panelIcon(array $params = null): ?array
{
return $this->panel()->image($params);
}
/**
* @deprecated 3.6.0 Use `->panel()->image()` instead
* @todo Add `deprecated()` helper warning in 3.7.0
* @todo Remove in 3.8.0
*
* @internal
* @param string|array|false|null $settings
* @return array|null
* @codeCoverageIgnore
*/
public function panelImage($settings = null): ?array
{
return $this->panel()->image($settings);
}
/**
* Returns an array of all actions
* that can be performed in the Panel
* This also checks for the lock status
*
* @deprecated 3.6.0 Use `->panel()->options()` instead
* @todo Add `deprecated()` helper warning in 3.7.0
* @todo Remove in 3.8.0
*
* @param array $unlock An array of options that will be force-unlocked
* @return array
* @codeCoverageIgnore
*/
public function panelOptions(array $unlock = []): array
{
return $this->panel()->options($unlock);
}
}