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<?php |
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namespace Backpack\CRUD\app\Library\Components; |
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use Backpack\CRUD\app\Library\Components\Interfaces\SmartComponentInterface; |
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use Closure; |
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use Illuminate\Support\Collection; |
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class CollectionRepository |
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{ |
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public function __construct(private Closure $getCollection, private Closure $saveCollection) |
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{ |
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} |
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public function addItem($key, $value, $save = true) |
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{ |
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$items = $this->getItems(); |
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$items[$key] = $value; |
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! $save ?: $this->save($items->toArray()); |
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} |
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public function getItems(): Collection |
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{ |
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if ($this->getCollection) { |
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$collection = ($this->getCollection)(); |
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return collect($collection); |
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} |
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} |
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public function removeItem($attribute, $save = true) |
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{ |
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$items = $this->getItems()->filter(function ($collectionItem, $key) use ($attribute) { |
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return $collectionItem->getName() !== $attribute; |
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}); |
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! $save ?: $this->save($items); |
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} |
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private function save($collection) |
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{ |
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if (is_callable($this->saveCollection)) { |
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($this->saveCollection)($collection); |
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} |
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} |
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public function setItemAttributes($key, $attributes) |
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{ |
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$this->addItem($key, $attributes); |
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} |
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public function getItemByName($name) |
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{ |
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return $this->getItems()->first(function ($item, $key) use ($name) { |
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return $key === $name; |
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}); |
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} |
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public function replaceItem(SmartComponentInterface $item) |
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{ |
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$items = $this->removeItem($item, false); |
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$items = $this->addItem($item, false); |
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$this->save($items); |
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} |
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public function getAttribute($attribute) |
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{ |
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return $this->attributes[$attribute]; |
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} |
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} |
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For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: