| <?php |
| |
| namespace LdapRecord\Models\Relations; |
| |
| use LdapRecord\Models\Entry; |
| use LdapRecord\Models\Model; |
| use LdapRecord\Query\Collection; |
| use LdapRecord\Query\Model\Builder; |
| |
| /** |
| * @method bool exists($models = null) Determine if the relation contains all of the given models, or any models |
| * @method bool contains($models) Determine if any of the given models are contained in the relation |
| */ |
| abstract class Relation |
| { |
| /** |
| * The underlying LDAP query. |
| * |
| * @var Builder |
| */ |
| protected $query; |
| |
| /** |
| * The parent model instance. |
| * |
| * @var Model |
| */ |
| protected $parent; |
| |
| /** |
| * The related models. |
| * |
| * @var array |
| */ |
| protected $related; |
| |
| /** |
| * The relation key. |
| * |
| * @var string |
| */ |
| protected $relationKey; |
| |
| /** |
| * The foreign key. |
| * |
| * @var string |
| */ |
| protected $foreignKey; |
| |
| /** |
| * The default relation model. |
| * |
| * @var string |
| */ |
| protected $default = Entry::class; |
| |
| /** |
| * Constructor. |
| * |
| * @param Builder $query |
| * @param Model $parent |
| * @param mixed $related |
| * @param string $relationKey |
| * @param string $foreignKey |
| */ |
| public function __construct(Builder $query, Model $parent, $related, $relationKey, $foreignKey) |
| { |
| $this->query = $query; |
| $this->parent = $parent; |
| $this->related = (array) $related; |
| $this->relationKey = $relationKey; |
| $this->foreignKey = $foreignKey; |
| |
| $this->initRelation(); |
| } |
| |
| /** |
| * Handle dynamic method calls to the relationship. |
| * |
| * @param string $method |
| * @param array $parameters |
| * |
| * @return mixed |
| */ |
| public function __call($method, $parameters) |
| { |
| if (in_array($method, ['exists', 'contains'])) { |
| return $this->get('objectclass')->$method(...$parameters); |
| } |
| |
| $result = $this->query->$method(...$parameters); |
| |
| if ($result === $this->query) { |
| return $this; |
| } |
| |
| return $result; |
| } |
| |
| /** |
| * Get the results of the relationship. |
| * |
| * @return Collection |
| */ |
| abstract public function getResults(); |
| |
| /** |
| * Execute the relationship query. |
| * |
| * @param array|string $columns |
| * |
| * @return Collection |
| */ |
| public function get($columns = ['*']) |
| { |
| return $this->getResultsWithColumns($columns); |
| } |
| |
| /** |
| * Get the results of the relationship while selecting the given columns. |
| * |
| * If the query columns are empty, the given columns are applied. |
| * |
| * @param array $columns |
| * |
| * @return Collection |
| */ |
| protected function getResultsWithColumns($columns) |
| { |
| if (is_null($this->query->columns)) { |
| $this->query->select($columns); |
| } |
| |
| return $this->getResults(); |
| } |
| |
| /** |
| * Get the first result of the relationship. |
| * |
| * @param array|string $columns |
| * |
| * @return Model|null |
| */ |
| public function first($columns = ['*']) |
| { |
| return $this->get($columns)->first(); |
| } |
| |
| /** |
| * Prepare the relation query. |
| * |
| * @return static |
| */ |
| public function initRelation() |
| { |
| $this->query |
| ->clearFilters() |
| ->withoutGlobalScopes() |
| ->setModel($this->getNewDefaultModel()); |
| |
| return $this; |
| } |
| |
| /** |
| * Get the underlying query for the relation. |
| * |
| * @return Builder |
| */ |
| public function getQuery() |
| { |
| return $this->query; |
| } |
| |
| /** |
| * Get the parent model of the relation. |
| * |
| * @return Model |
| */ |
| public function getParent() |
| { |
| return $this->parent; |
| } |
| |
| /** |
| * Get the relation attribute key. |
| * |
| * @return string |
| */ |
| public function getRelationKey() |
| { |
| return $this->relationKey; |
| } |
| |
| /** |
| * Get the related model classes for the relation. |
| * |
| * @return array |
| */ |
| public function getRelated() |
| { |
| return $this->related; |
| } |
| |
| /** |
| * Get the relation foreign attribute key. |
| * |
| * @return string |
| */ |
| public function getForeignKey() |
| { |
| return $this->foreignKey; |
| } |
| |
| /** |
| * Get the class name of the default model. |
| * |
| * @return string |
| */ |
| public function getDefaultModel() |
| { |
| return $this->default; |
| } |
| |
| /** |
| * Get a new instance of the default model on the relation. |
| * |
| * @return Model |
| */ |
| public function getNewDefaultModel() |
| { |
| $model = new $this->default(); |
| |
| $model->setConnection($this->parent->getConnectionName()); |
| |
| return $model; |
| } |
| |
| /** |
| * Get the foreign model by the given value. |
| * |
| * @param string $value |
| * |
| * @return Model|null |
| */ |
| protected function getForeignModelByValue($value) |
| { |
| return $this->foreignKeyIsDistinguishedName() |
| ? $this->query->find($value) |
| : $this->query->findBy($this->foreignKey, $value); |
| } |
| |
| /** |
| * Returns the escaped foreign key value for use in an LDAP filter from the model. |
| * |
| * @param Model $model |
| * |
| * @return string |
| */ |
| protected function getEscapedForeignValueFromModel(Model $model) |
| { |
| return $this->query->escape( |
| $this->getForeignValueFromModel($model) |
| )->both(); |
| } |
| |
| /** |
| * Get the relation parents foreign value. |
| * |
| * @return string |
| */ |
| protected function getParentForeignValue() |
| { |
| return $this->getForeignValueFromModel($this->parent); |
| } |
| |
| /** |
| * Get the foreign key value from the model. |
| * |
| * @param Model $model |
| * |
| * @return string |
| */ |
| protected function getForeignValueFromModel(Model $model) |
| { |
| return $this->foreignKeyIsDistinguishedName() |
| ? $model->getDn() |
| : $this->getFirstAttributeValue($model, $this->foreignKey); |
| } |
| |
| /** |
| * Get the first attribute value from the model. |
| * |
| * @param Model $model |
| * @param string $attribute |
| * |
| * @return string|null |
| */ |
| protected function getFirstAttributeValue(Model $model, $attribute) |
| { |
| return $model->getFirstAttribute($attribute); |
| } |
| |
| /** |
| * Transforms the results by converting the models into their related. |
| * |
| * @param Collection $results |
| * |
| * @return Collection |
| */ |
| protected function transformResults(Collection $results) |
| { |
| $related = []; |
| |
| foreach ($this->related as $relation) { |
| $related[$relation] = $relation::$objectClasses; |
| } |
| |
| return $results->transform(function (Model $entry) use ($related) { |
| $model = $this->determineModelFromRelated($entry, $related); |
| |
| return class_exists($model) ? $entry->convert(new $model()) : $entry; |
| }); |
| } |
| |
| /** |
| * Determines if the foreign key is a distinguished name. |
| * |
| * @return bool |
| */ |
| protected function foreignKeyIsDistinguishedName() |
| { |
| return in_array($this->foreignKey, ['dn', 'distinguishedname']); |
| } |
| |
| /** |
| * Determines the model from the given relations. |
| * |
| * @param Model $model |
| * @param array $related |
| * |
| * @return string|bool |
| */ |
| protected function determineModelFromRelated(Model $model, array $related) |
| { |
| // We must normalize all the related models object class |
| // names to the same case so we are able to properly |
| // determine the owning model from search results. |
| return array_search( |
| $this->normalizeObjectClasses($model->getObjectClasses()), |
| array_map([$this, 'normalizeObjectClasses'], $related) |
| ); |
| } |
| |
| /** |
| * Sort and normalize the object classes. |
| * |
| * @param array $classes |
| * |
| * @return array |
| */ |
| protected function normalizeObjectClasses($classes) |
| { |
| sort($classes); |
| |
| return array_map('strtolower', $classes); |
| } |
| } |