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<?php |
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namespace Thinktomorrow\Chief\Relations; |
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use Illuminate\Database\Eloquent\Collection; |
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trait ActingAsChild |
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{ |
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protected $loadedParentRelations; |
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public function parents(): Collection |
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{ |
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if ($this->areParentRelationsLoaded()) { |
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return $this->loadedParentRelations; |
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} |
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return $this->loadedParentRelations = Relation::parents($this->getMorphClass(), $this->getKey()); |
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} |
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public function acceptParent(ActsAsParent $parent, array $attributes = []) |
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{ |
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// Reset cached relation |
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$this->loadedParentRelations = null; |
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$this->attachParent($parent->getMorphClass(), $parent->getKey(), $attributes); |
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} |
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public function rejectParent(ActsAsParent $parent) |
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{ |
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// Reset cached relation |
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$this->loadedParentRelations = null; |
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$this->detachParent($parent->getMorphClass(), $parent->getKey()); |
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} |
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public function relationWithParent(ActsAsParent $parent): Relation |
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{ |
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return Relation::query() |
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->where('parent_type', $parent->getMorphClass()) |
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->where('parent_id', $parent->getKey()) |
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->where('child_type', $this->getMorphClass()) |
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->where('child_id', $this->getKey()) |
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->first(); |
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} |
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public function detachAllParentRelations() |
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{ |
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Relation::deleteAllParentRelationsOf($this->getMorphClass(), $this->getKey()); |
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} |
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private function attachParent($parent_type, $parent_id, array $attributes = []) |
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{ |
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Relation::firstOrCreate([ |
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'parent_type' => $parent_type, |
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'parent_id' => $parent_id, |
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'child_type' => $this->getMorphClass(), |
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'child_id' => $this->getKey(), |
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], $attributes); |
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} |
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private function detachParent($parent_type, $parent_id) |
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{ |
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Relation::query() |
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->where('child_type', $this->getMorphClass()) |
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->where('child_id', $this->getKey()) |
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->where('parent_type', $parent_type) |
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->where('parent_id', $parent_id) |
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->delete(); |
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} |
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private function areParentRelationsLoaded(): bool |
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{ |
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return !is_null($this->loadedParentRelations); |
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} |
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} |
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thinktomorrow /
chief
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