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<?php namespace Rocket\Entities; |
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/** |
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* The Entity main class is the master of everything related to Entities. |
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* |
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* It handles the creation, storage, modification and deletion of Entities and their Revisions. |
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*/ |
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use Illuminate\Database\Eloquent\ModelNotFoundException; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\DB; |
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use Illuminate\Support\Str; |
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use InvalidArgumentException; |
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use Rocket\Entities\Exceptions\EntityNotFoundException; |
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use Rocket\Entities\Exceptions\InvalidFieldTypeException; |
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use Rocket\Entities\Exceptions\MultipleFieldAssignmentException; |
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use Rocket\Entities\Exceptions\NonExistentFieldException; |
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use Rocket\Entities\Exceptions\NoPublishedRevisionForLanguageException; |
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use Rocket\Entities\Exceptions\NoRevisionForLanguageException; |
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use Rocket\Entities\Exceptions\ReservedFieldNameException; |
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use Rocket\Entities\Exceptions\RevisionEntityMismatchException; |
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use Rocket\Entities\Exceptions\RevisionNotFoundException; |
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/** |
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* Entity manager |
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* |
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* @property int $id The content ID |
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* @property int $language_id The language in which this entity is |
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* @property int $revision_id The current revision id |
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* @property string $type The type of the Entity |
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* @property bool $published Is this content published |
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* @property-read bool $publishedRevision Is the revision published |
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* @property-read \Rocket\Entities\Revision[] $revisions all revisions in this content |
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* @property-read \DateTime $created_at |
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* @property-read \DateTime $updated_at |
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*/ |
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abstract class Entity |
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{ |
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/** |
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* @var int This key identifies where the only item is stored in single item fields. |
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*/ |
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public static $SINGLE_ITEM_KEY = 0; |
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/** |
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* @var array<class> The list of field types, filled by the ServiceProvider from a configuration file. |
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*/ |
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public static $types; |
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/** |
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* @var Content The content represented by this entity |
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*/ |
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protected $content; //id, created_at, type, published |
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/** |
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* @var Revision The revision represented by this entity |
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*/ |
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protected $revision; //language_id, updated_at, type, published |
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/** |
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* @var FieldCollection[] The fields in this entity |
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*/ |
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protected $data; |
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/** |
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* Entity constructor. |
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* |
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* @param int $language_id The language this specific entity is in |
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*/ |
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public function __construct($language_id) |
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{ |
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if (!is_numeric($language_id) || $language_id == 0) { |
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throw new InvalidArgumentException("You must set a valid 'language_id'."); |
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} |
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$fields = $this->getFields(); |
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$this->initialize($fields); |
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$this->type = $this->getContentType(); |
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$this->language_id = $language_id; |
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} |
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/** |
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* Creates the Content, Revision and FieldCollections |
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* |
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* @param array $fields The fields and their configurations |
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* @throws InvalidFieldTypeException |
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* @throws ReservedFieldNameException |
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*/ |
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protected function initialize(array $fields) |
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{ |
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$this->content = new Content; |
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$this->revision = new Revision; |
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foreach ($fields as $field => $settings) { |
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$this->data[$field] = $this->initializeField($field, $settings); |
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} |
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} |
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/** |
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* Validate configuration and prepare a FieldCollection |
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* |
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* @param string $field |
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* @param array $settings |
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* @throws InvalidFieldTypeException |
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* @throws ReservedFieldNameException |
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* @return FieldCollection |
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*/ |
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protected function initializeField($field, $settings) |
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{ |
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if ($this->isContentField($field) || $this->isRevisionField($field)) { |
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throw new ReservedFieldNameException( |
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"The field '$field' cannot be used in '" . get_class($this) . "' as it is a reserved name" |
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); |
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} |
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$type = $settings['type']; |
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if (!array_key_exists($type, self::$types)) { |
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throw new InvalidFieldTypeException("Unkown type '$type' in '" . get_class($this) . "'"); |
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} |
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$settings['type'] = self::$types[$settings['type']]; |
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return FieldCollection::initField($settings); |
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} |
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/** |
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* Return the fields in this entity |
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* |
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* @return array |
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*/ |
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abstract public function getFields(); |
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/** |
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* Get the database friendly content type |
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* |
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* @return string |
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*/ |
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public static function getContentType() |
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{ |
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return str_replace('\\', '', Str::snake((new \ReflectionClass(get_called_class()))->getShortName())); |
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} |
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/** |
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* Create a new revision based on the same content ID but without the content. |
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* Very useful if you want to add a new language |
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* |
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* @param int $language_id |
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* @return static |
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*/ |
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public function newRevision($language_id = null) |
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{ |
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$created = new static($language_id ?: $this->language_id); |
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$created->content = $this->content; |
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return $created; |
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} |
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/** |
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* Check if the field is related to the content |
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* |
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* @param string $field |
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* @return bool |
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*/ |
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protected function isContentField($field) |
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{ |
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return in_array($field, ['id', 'created_at', 'type', 'published']); |
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} |
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/** |
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* Check if the field exists on the entity |
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* |
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* @param string $field |
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* @return bool |
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*/ |
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public function hasField($field) |
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{ |
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return array_key_exists($field, $this->data); |
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} |
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/** |
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* Get a field's FieldCollection. |
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* |
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* Be careful as this gives you the real field instances. |
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* |
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* @param string $field |
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* @return FieldCollection |
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*/ |
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public function getField($field) |
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{ |
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return $this->data[$field]; |
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} |
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/** |
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* Check if the field is related to the revision |
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* |
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* @param string $field |
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* @return bool |
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*/ |
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protected function isRevisionField($field) |
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{ |
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return in_array($field, ['language_id', 'updated_at', 'published']); |
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} |
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/** |
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* Dynamically retrieve attributes on the model. |
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* |
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* @param string $key |
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* @throws NonExistentFieldException |
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* @return $this|bool|\Carbon\Carbon|\DateTime|mixed|static |
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*/ |
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public function __get($key) |
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{ |
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if ($this->isContentField($key)) { |
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return $this->content->getAttribute($key); |
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} |
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if ($this->isRevisionField($key)) { |
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return $this->revision->getAttribute($key); |
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} |
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if ($this->hasField($key)) { |
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$field = $this->getField($key); |
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if ($field->getMaxItems() != 1) { |
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return $field; |
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} |
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if ($field->has(static::$SINGLE_ITEM_KEY)) { |
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return $field->get(static::$SINGLE_ITEM_KEY)->value; |
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} |
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return null; |
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} |
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if ($key == 'revision_id') { |
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return $this->revision->id; |
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} |
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if ($key == 'revisions') { |
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return $this->content->revisions; |
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} |
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if ($key == 'publishedRevision') { |
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return $this->revision->published; |
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} |
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throw new NonExistentFieldException("Field '$key' doesn't exist in '" . get_class($this) . "'"); |
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} |
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/** |
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* Dynamically set attributes on the model. |
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* |
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* @param string $key |
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* @param mixed $value |
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* @throws NonExistentFieldException |
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*/ |
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public function __set($key, $value) |
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{ |
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if ($this->isContentField($key)) { |
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$this->content->setAttribute($key, $value); |
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return; |
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} |
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if ($this->isRevisionField($key)) { |
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$this->revision->setAttribute($key, $value); |
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return; |
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} |
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if ($this->hasField($key)) { |
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$this->setOnField($this->getField($key), $value); |
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return; |
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} |
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throw new NonExistentFieldException("Field '$key' doesn't exist in '" . get_class($this) . "'"); |
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} |
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/** |
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* Set values on a field |
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* |
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* @param FieldCollection $field |
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* @param $value |
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* @throws MultipleFieldAssignmentException |
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*/ |
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protected function setOnField(FieldCollection $field, $value) |
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{ |
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if (!is_array($value)) { |
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if ($field->getMaxItems() != 1) { |
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throw new MultipleFieldAssignmentException('You cannot assign a value to replace a multiple field'); |
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} |
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$field->offsetSet(static::$SINGLE_ITEM_KEY, $value); |
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return; |
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} |
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$field->clear(); |
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// This happens when the array is |
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// replaced completely by another array |
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if (count($value)) { |
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foreach ($value as $k => $v) { |
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$field->offsetSet($k, $v); |
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} |
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} |
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} |
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/** |
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* Get all field types in this Entity. |
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* |
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* @return Collection |
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*/ |
317
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43 |
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protected function getFieldTypes() |
318
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{ |
319
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43 |
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return (new Collection($this->getFields())) |
320
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->map(function ($options) { |
321
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43 |
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return $options['type']; |
322
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}) |
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43 |
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->values() |
324
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->unique() |
325
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->map(function ($type) { |
326
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43 |
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return self::$types[$type]; |
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}); |
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} |
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330
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/** |
331
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* Find the requested Revision. |
332
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* |
333
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* If a revision_id it will be requested against the requested ID and Language. |
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* |
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* If none is requested, it will find the revision that is published in that language. |
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* |
337
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* @param int $id The content ID |
338
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* @param int $language_id The language ID |
339
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* @param int $revision_id The revision ID which you want to load, this is optional |
340
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* @throws NoPublishedRevisionForLanguageException |
341
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* @throws NoRevisionForLanguageException |
342
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* @throws RevisionEntityMismatchException |
343
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* @throws RevisionNotFoundException |
344
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* @return Revision |
345
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*/ |
346
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50 |
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protected static function findRevision($id, $language_id, $revision_id = null) |
347
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{ |
348
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try { |
349
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50 |
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if (is_numeric($revision_id) && $revision_id != 0) { |
350
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10 |
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$revision = Revision::findOrFail($revision_id); |
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352
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7 |
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if ($revision->content_id != $id) { |
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3 |
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throw new RevisionEntityMismatchException("This revision doesn't belong to this entity"); |
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} |
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356
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4 |
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if ($revision->language_id != $language_id) { |
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//TODO :: throw an exception in this case as well |
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} |
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360
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4 |
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return $revision; |
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} |
362
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363
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44 |
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return Revision::where('content_id', $id) |
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44 |
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->where('language_id', $language_id) |
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44 |
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->where('published', true) |
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44 |
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->firstOrFail(); |
367
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17 |
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} catch (ModelNotFoundException $e) { |
368
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14 |
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if (is_numeric($revision_id) && $revision_id != 0) { |
369
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3 |
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throw new RevisionNotFoundException("This revision doesn't exist", 0, $e); |
370
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} |
371
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372
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11 |
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$count = Revision::where('content_id', $id)->where('language_id', $language_id)->count(); |
373
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|
374
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11 |
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if ($count) { |
375
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2 |
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$message = "There are revisions in language_id='$language_id' for Entity '$id' but none is published"; |
376
|
2 |
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throw new NoPublishedRevisionForLanguageException($message, 0, $e); |
377
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} else { |
378
|
9 |
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$message = "There no revisions in language_id='$language_id' for Entity '$id' but none is published"; |
379
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9 |
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throw new NoRevisionForLanguageException($message, 0, $e); |
380
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} |
381
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|
|
} |
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
/** |
385
|
|
|
* Find the latest valid revision for this entity |
386
|
|
|
* |
387
|
|
|
* @param int $id The content ID |
388
|
|
|
* @param int $language_id The language ID |
389
|
|
|
* @param int $revision_id The revision ID which you want to load, this is optional |
390
|
|
|
* @throws EntityNotFoundException |
391
|
|
|
* @throws NoPublishedRevisionForLanguageException |
392
|
|
|
* @throws NoRevisionForLanguageException |
393
|
|
|
* @throws RevisionEntityMismatchException |
394
|
|
|
* @throws RevisionNotFoundException |
395
|
|
|
* @return static |
396
|
|
|
*/ |
397
|
57 |
|
public static function find($id, $language_id, $revision_id = null) |
398
|
|
|
{ |
399
|
57 |
|
$instance = new static($language_id); |
400
|
|
|
|
401
|
|
|
try { |
402
|
57 |
|
$instance->content = Content::findOrFail($id); |
403
|
57 |
|
} catch (ModelNotFoundException $e) { |
404
|
7 |
|
throw new EntityNotFoundException("The entity with id '$id' doesn't exist", 0, $e); |
405
|
|
|
} |
406
|
|
|
|
407
|
50 |
|
$instance->revision = static::findRevision($id, $language_id, $revision_id); |
408
|
|
|
|
409
|
33 |
|
$instance->getFieldTypes() |
410
|
|
|
->each(function ($type) use ($instance) { |
411
|
33 |
|
$type::where('revision_id', $instance->revision->id) |
412
|
33 |
|
->get() |
413
|
|
|
->each(function (Field $value) use ($instance) { |
414
|
33 |
|
$instance->data[$value->name][$value->weight] = $value; |
415
|
33 |
|
}); |
416
|
33 |
|
}); |
417
|
|
|
|
418
|
33 |
|
return $instance; |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* Save a revision |
423
|
|
|
* |
424
|
|
|
* @param bool $newRevision Should we create a new revision, false by default |
425
|
|
|
* @param bool $publishRevision Should we immediately publish this revision, true by default |
426
|
|
|
*/ |
427
|
60 |
|
public function save($newRevision = false, $publishRevision = true) |
428
|
|
|
{ |
429
|
60 |
|
if ($newRevision) { |
430
|
24 |
|
$revision = new Revision; |
431
|
24 |
|
$revision->language_id = $this->revision->language_id; |
432
|
|
|
|
433
|
24 |
|
$this->revision = $revision; |
434
|
24 |
|
} |
435
|
|
|
|
436
|
60 |
|
DB::transaction( |
437
|
|
|
function () use ($newRevision, $publishRevision) { |
438
|
60 |
|
$this->saveContent(); |
439
|
|
|
|
440
|
60 |
|
$this->saveRevision($publishRevision); |
441
|
|
|
|
442
|
|
|
// Prepare and save fields |
443
|
60 |
|
foreach (array_keys($this->data) as $fieldName) { |
444
|
|
|
/** @var FieldCollection $field */ |
445
|
60 |
|
$field = $this->data[$fieldName]; |
446
|
|
|
|
447
|
60 |
|
if (!$newRevision) { |
448
|
|
|
$field->deleted()->each(function (Field $value) { |
449
|
3 |
|
$value->delete(); |
450
|
51 |
|
}); |
451
|
51 |
|
} |
452
|
|
|
|
453
|
|
|
$field->each(function (Field $value, $key) use ($newRevision, $fieldName) { |
454
|
60 |
|
$value->weight = $key; |
455
|
60 |
|
$value->name = $fieldName; |
456
|
60 |
|
$this->saveField($value, $newRevision); |
457
|
60 |
|
}); |
458
|
|
|
|
459
|
60 |
|
$field->syncOriginal(); |
460
|
60 |
|
} |
461
|
57 |
|
} |
462
|
60 |
|
); |
463
|
57 |
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Save the content |
467
|
|
|
*/ |
468
|
60 |
|
protected function saveContent() |
469
|
|
|
{ |
470
|
60 |
|
$this->content->save(); |
471
|
60 |
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Save the revision |
475
|
|
|
* |
476
|
|
|
* @param bool $publishRevision Should we immediately publish this revision, true by default |
477
|
|
|
*/ |
478
|
60 |
|
protected function saveRevision($publishRevision) |
479
|
|
|
{ |
480
|
60 |
|
if (!$this->revision->exists && !$publishRevision) { |
481
|
12 |
|
$this->revision->published = $publishRevision; |
482
|
12 |
|
} |
483
|
|
|
|
484
|
60 |
|
$this->revision->content_id = $this->content->id; |
485
|
60 |
|
$this->revision->save(); |
486
|
|
|
|
487
|
60 |
|
if ($publishRevision) { |
488
|
51 |
|
$this->unpublishOtherRevisions(); |
489
|
51 |
|
} |
490
|
60 |
|
} |
491
|
|
|
|
492
|
|
|
/** |
493
|
|
|
* Unpublish the revisions other than this one. |
494
|
|
|
* Only for the same content_id and language_id |
495
|
|
|
*/ |
496
|
51 |
|
protected function unpublishOtherRevisions() |
497
|
|
|
{ |
498
|
51 |
|
if ($this->content->wasRecentlyCreated) { |
499
|
51 |
|
return; |
500
|
|
|
} |
501
|
|
|
|
502
|
|
|
// Unpublish all other revisions |
503
|
18 |
|
Revision::where('content_id', $this->content->id) |
504
|
18 |
|
->where('language_id', $this->revision->language_id) |
505
|
18 |
|
->where('id', '!=', $this->revision->id) |
506
|
18 |
|
->update(['published' => false]); |
507
|
18 |
|
} |
508
|
|
|
|
509
|
|
|
/** |
510
|
|
|
* Save a single field instance |
511
|
|
|
* |
512
|
|
|
* @param Field $field The field instance to save |
513
|
|
|
* @param bool $newRevision Should we create a new revision? |
514
|
|
|
*/ |
515
|
60 |
|
protected function saveField(Field $field, $newRevision) |
516
|
|
|
{ |
517
|
|
|
// If we create a new revision, this will |
518
|
|
|
// reinit the field to a non-saved field |
519
|
|
|
// and create a new row in the database |
520
|
60 |
|
if ($newRevision) { |
521
|
24 |
|
$field->id = null; |
522
|
24 |
|
$field->exists = false; |
523
|
24 |
|
} |
524
|
|
|
|
525
|
60 |
|
$field->revision_id = $this->revision->id; |
526
|
|
|
|
527
|
60 |
|
$field->save(); |
528
|
57 |
|
} |
529
|
|
|
|
530
|
|
|
/** |
531
|
|
|
* Convert the Entity to an array. |
532
|
|
|
* |
533
|
|
|
* @return array |
534
|
|
|
*/ |
535
|
27 |
|
public function toArray() |
536
|
|
|
{ |
537
|
|
|
$content = [ |
538
|
27 |
|
'id' => $this->content->id, |
539
|
27 |
|
'_content' => $this->content->toArray(), |
540
|
27 |
|
'_revision' => $this->revision->toArray(), |
541
|
27 |
|
]; |
542
|
|
|
|
543
|
27 |
|
foreach ($this->data as $field => $data) { |
544
|
27 |
|
$content[$field] = $data->toArray(); |
545
|
27 |
|
} |
546
|
|
|
|
547
|
27 |
|
return $content; |
548
|
|
|
} |
549
|
|
|
|
550
|
|
|
/** |
551
|
|
|
* Delete this entity and all the underlying Revisions. |
552
|
|
|
* |
553
|
|
|
* @param bool $clear Should we clear the fields after deleting the revision ? |
554
|
|
|
*/ |
555
|
4 |
|
public function delete($clear = true) |
556
|
|
|
{ |
557
|
4 |
|
$revisions = Revision::where('content_id', $this->content->id)->get(); |
558
|
|
|
|
559
|
4 |
|
$ids = $revisions->pluck('id'); |
560
|
|
|
|
561
|
|
|
$this->getFieldTypes()->each(function ($type) use ($ids) { |
562
|
4 |
|
$type::whereIn('revision_id', $ids)->delete(); |
563
|
4 |
|
}); |
564
|
|
|
|
565
|
4 |
|
Revision::whereIn('id', $ids)->delete(); |
566
|
4 |
|
$this->revision->exists = false; |
567
|
|
|
|
568
|
|
|
// TODO :: add an event system to be able to remove this content from entity fields |
569
|
|
|
|
570
|
4 |
|
$this->content->delete(); |
571
|
|
|
|
572
|
4 |
|
if ($clear) { |
573
|
2 |
|
$this->revision->id = null; |
574
|
2 |
|
$this->content->id = null; |
575
|
2 |
|
$this->clearFields(); |
576
|
2 |
|
} |
577
|
4 |
|
} |
578
|
|
|
|
579
|
|
|
/** |
580
|
|
|
* Delete the current revision. |
581
|
|
|
* |
582
|
|
|
* @param bool $clear Should we clear the fields after deleting the revision ? |
583
|
|
|
*/ |
584
|
|
|
public function deleteRevision($clear = true) |
585
|
|
|
{ |
586
|
8 |
|
$this->getFieldTypes()->each(function ($type) { |
587
|
8 |
|
$type::where('revision_id', $this->revision->id)->delete(); |
588
|
8 |
|
}); |
589
|
|
|
|
590
|
|
|
// If this revision is currently |
591
|
|
|
// published, we need to publish |
592
|
|
|
// another revision in place. |
593
|
8 |
|
if ($this->revision->published && $this->revision->exists) { |
594
|
|
|
//TODO :: improve this logic |
595
|
8 |
|
Revision::where('content_id', $this->content->id) |
596
|
8 |
|
->where('id', '!=', $this->revision->id) |
597
|
8 |
|
->take(1) |
598
|
8 |
|
->update(['published' => true]); |
599
|
8 |
|
} |
600
|
|
|
|
601
|
8 |
|
$this->revision->delete(); |
602
|
|
|
|
603
|
8 |
|
if ($clear) { |
604
|
5 |
|
$this->clearFields(); |
605
|
5 |
|
} |
606
|
8 |
|
} |
607
|
|
|
|
608
|
|
|
/** |
609
|
|
|
* Clear all the fields from their content |
610
|
|
|
*/ |
611
|
7 |
|
protected function clearFields() |
612
|
|
|
{ |
613
|
|
|
// Void all the fields |
614
|
7 |
|
foreach (array_keys($this->data) as $fieldName) { |
615
|
|
|
/** @var FieldCollection $field */ |
616
|
7 |
|
$field = $this->data[$fieldName]; |
617
|
|
|
|
618
|
7 |
|
$field->clear(); |
619
|
7 |
|
$field->syncOriginal(); |
620
|
7 |
|
} |
621
|
7 |
|
} |
622
|
|
|
|
623
|
|
|
/** |
624
|
|
|
* Publish the current revision and unpublish the other revisions of the same language. |
625
|
|
|
*/ |
626
|
2 |
|
public function publishRevision() |
627
|
|
|
{ |
628
|
2 |
|
$this->revision->published = true; |
629
|
2 |
|
$this->revision->save(); |
630
|
|
|
|
631
|
2 |
|
$this->unpublishOtherRevisions(); |
632
|
2 |
|
} |
633
|
|
|
} |
634
|
|
|
|