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<?php |
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namespace Staudenmeir\LaravelAdjacencyList\Eloquent\Relations; |
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use Illuminate\Database\Eloquent\Builder; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\HasMany; |
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class HasManyOfDescendants extends HasMany |
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{ |
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use IsOfDescendantsRelation; |
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/** |
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* Create a new has many of descendants relationship instance. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @param \Illuminate\Database\Eloquent\Model $parent |
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* @param string $foreignKey |
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* @param string $localKey |
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* @param bool $andSelf |
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* @return void |
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*/ |
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public function __construct(Builder $query, Model $parent, $foreignKey, $localKey, $andSelf) |
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{ |
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$this->andSelf = $andSelf; |
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parent::__construct($query, $parent, $foreignKey, $localKey); |
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} |
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/** |
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* Set the where clause on the recursive expression query. |
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* |
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* @param \Illuminate\Database\Eloquent\Builder $query |
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* @return void |
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*/ |
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public function addExpressionWhereConstraints(Builder $query) |
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{ |
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$column = $this->andSelf ? $this->parent->getLocalKeyName() : $this->parent->getParentKeyName(); |
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$query->where( |
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$column, |
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'=', |
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$this->parent->{$this->parent->getLocalKeyName()} |
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)->whereNotNull($column); |
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} |
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/** |
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* Get the local key name for an eager load of the relation. |
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* |
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* @return string |
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*/ |
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public function getEagerLoadingLocalKeyName() |
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{ |
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return $this->getLocalKeyName(); |
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} |
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/** |
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* Get the foreign key name for an eager load of the relation. |
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* |
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* @return string |
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*/ |
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public function getEagerLoadingForeignKeyName() |
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{ |
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return $this->getForeignKeyName(); |
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} |
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/** |
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* Get the local key name for the recursion expression. |
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* |
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* @return string |
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*/ |
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public function getExpressionLocalKeyName() |
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{ |
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return $this->getLocalKeyName(); |
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} |
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/** |
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* Get the foreign key name for the recursion expression. |
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* |
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* @return string |
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*/ |
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public function getExpressionForeignKeyName() |
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{ |
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return $this->foreignKey; |
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} |
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} |
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staudenmeir /
laravel-adjacency-list
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