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<?php |
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namespace Volosyuk\SimpleEloquent\Relations; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Arr; |
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use Illuminate\Support\Collection; |
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use stdClass; |
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use Volosyuk\SimpleEloquent\Builder; |
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use Volosyuk\SimpleEloquent\ModelAccessor; |
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/** |
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* Trait SimpleRelation |
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* @package Volosyuk\SimpleEloquent |
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* |
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* @property Builder $query |
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* @property Model $parent |
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*/ |
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trait Relation |
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{ |
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/** |
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* An array to map class names to their morph names in database. |
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* |
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* @var array |
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*/ |
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public static $morphMap = []; |
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/** |
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* @param $models |
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* @param $name |
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* @return array |
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*/ |
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public function eagerLoadAndMatchSimple($models, $name) |
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{ |
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$results = $this->getEagerSimple(); |
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return $this->matchSimple($models, $results, $name); |
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} |
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/** |
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* @param array $models |
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* @param $relation |
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* @return array|stdClass[] |
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*/ |
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public function initSimpleRelation(array &$models, $relation) |
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{ |
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foreach ($models as &$model) { |
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ModelAccessor::set($model, $relation, null); |
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} |
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unset($model); |
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return $models; |
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} |
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/** |
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* Get the relationship for eager loading. |
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* |
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* @return Collection |
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*/ |
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protected function getEagerSimple() |
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{ |
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return $this->getSimple(); |
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} |
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/** |
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* Get all of the primary keys for an array of models. |
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* |
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* @param array $models |
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* @param string $key |
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* @return array |
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*/ |
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protected function getKeys(array $models, $key = null) |
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{ |
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return array_unique(array_values(array_map(function ($value) use ($key) { |
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return $key ? ModelAccessor::get($value, $key) : ModelAccessor::get($value, $this->parent->getKeyName()); |
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}, $models))); |
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} |
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/** |
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* Set the constraints for an eager load of the relation. |
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* |
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* @param array $models |
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* @return void |
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*/ |
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public function addEagerConstraintsSimple(array $models) |
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{ |
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$this->query->whereIn($this->getQualifiedForeignKeyName(), $this->getKeys($models)); |
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} |
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/** |
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* Set or get the morph map for polymorphic relations. |
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* |
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* @param array|null $map |
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* @param bool $merge |
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* @return array |
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*/ |
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public static function morphMap(array $map = null, $merge = true) |
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{ |
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$map = static::buildMorphMapFromModels($map); |
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if (is_array($map)) { |
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static::$morphMap = $merge && static::$morphMap |
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? $map + static::$morphMap : $map; |
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} |
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return static::$morphMap; |
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} |
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/** |
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* Builds a table-keyed array from model class names. |
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* |
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* @param string[]|null $models |
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* @return array|null |
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*/ |
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protected static function buildMorphMapFromModels(array $models = null) |
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{ |
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if (is_null($models) || Arr::isAssoc($models)) { |
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return $models; |
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} |
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return array_combine(array_map(function ($model) { |
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return (new $model)->getTable(); |
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}, $models), $models); |
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} |
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} |
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andreyvolosyuk /
simple-eloquent
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