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<?php |
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namespace Backpack\CRUD\app\Library\Uploaders\Support\Traits; |
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use Backpack\CRUD\app\Library\CrudPanel\CrudPanelFacade as CRUD; |
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use Backpack\CRUD\app\Library\Uploaders\Support\Interfaces\UploaderInterface; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\Storage; |
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trait HandleRepeatableUploads |
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{ |
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public bool $handleRepeatableFiles = false; |
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public ?string $repeatableContainerName = null; |
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/******************************* |
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* Setters - fluently configure the uploader |
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*******************************/ |
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public function repeats(string $repeatableContainerName): self |
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{ |
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$this->handleRepeatableFiles = true; |
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$this->repeatableContainerName = $repeatableContainerName; |
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return $this; |
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} |
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/******************************* |
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* Getters |
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*******************************/ |
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public function getRepeatableContainerName(): ?string |
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{ |
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return $this->repeatableContainerName; |
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} |
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/******************************* |
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* Default implementation methods |
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*******************************/ |
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protected function uploadRepeatableFiles($values, $previousValues, $entry = null) |
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{ |
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} |
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protected function handleRepeatableFiles(Model $entry): Model |
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{ |
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$values = collect(CRUD::getRequest()->get($this->getRepeatableContainerName())); |
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$files = collect(CRUD::getRequest()->file($this->getRepeatableContainerName())); |
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$value = $this->mergeValuesRecursive($values, $files); |
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if ($this->isRelationship) { |
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return $this->uploadRelationshipFiles($entry, $value); |
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} |
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$entry->{$this->getRepeatableContainerName()} = json_encode($this->processRepeatableUploads($entry, $value)); |
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return $entry; |
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} |
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private function uploadRelationshipFiles(Model $entry, mixed $value): Model |
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{ |
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$modelCount = CRUD::get('uploaded_'.$this->getRepeatableContainerName().'_count'); |
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$value = $value->slice($modelCount, 1)->toArray(); |
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foreach (app('UploadersRepository')->getRepeatableUploadersFor($this->getRepeatableContainerName()) as $uploader) { |
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if (array_key_exists($modelCount, $value) && isset($value[$modelCount][$uploader->getName()])) { |
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$entry->{$uploader->getName()} = $uploader->uploadFiles($entry, $value[$modelCount][$uploader->getName()]); |
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} |
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} |
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return $entry; |
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} |
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protected function processRepeatableUploads(Model $entry, Collection $values): Collection |
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{ |
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foreach (app('UploadersRepository')->getRepeatableUploadersFor($this->getRepeatableContainerName()) as $uploader) { |
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$uploadedValues = $uploader->uploadRepeatableFiles($values->pluck($uploader->getName())->toArray(), $this->getPreviousRepeatableValues($entry, $uploader)); |
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$values = $values->map(function ($item, $key) use ($uploadedValues, $uploader) { |
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$item[$uploader->getName()] = $uploadedValues[$key] ?? null; |
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return $item; |
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}); |
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} |
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return $values; |
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} |
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private function retrieveRepeatableFiles(Model $entry): Model |
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{ |
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if ($this->isRelationship) { |
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return $this->retrieveFiles($entry); |
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} |
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return $entry; |
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} |
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private function deleteRepeatableFiles(Model $entry): void |
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{ |
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if ($this->isRelationship) { |
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$this->deleteFiles($entry); |
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return; |
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} |
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$repeatableValues = collect($entry->{$this->getName()}); |
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foreach (app('UploadersRepository')->getRepeatableUploadersFor($this->getRepeatableContainerName()) as $upload) { |
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if (! $upload->shouldDeleteFiles()) { |
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continue; |
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} |
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$values = $repeatableValues->pluck($upload->getName())->toArray(); |
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foreach ($values as $value) { |
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if (! $value) { |
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continue; |
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} |
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if (is_array($value)) { |
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foreach ($value as $subvalue) { |
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Storage::disk($upload->getDisk())->delete($upload->getPath().$subvalue); |
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} |
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continue; |
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} |
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Storage::disk($upload->getDisk())->delete($upload->getPath().$value); |
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} |
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} |
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} |
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/******************************* |
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* Helper methods |
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*******************************/ |
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/** |
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* Given two multidimensional arrays/collections, merge them recursively. |
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*/ |
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protected function mergeValuesRecursive(array|Collection $array1, array|Collection $array2): array|Collection |
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{ |
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$merged = $array1; |
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foreach ($array2 as $key => &$value) { |
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if (is_array($value) && isset($merged[$key]) && is_array($merged[$key])) { |
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$merged[$key] = $this->mergeValuesRecursive($merged[$key], $value); |
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} else { |
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$merged[$key] = $value; |
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} |
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} |
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return $merged; |
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} |
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/** |
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* Repeatable items send `_order_` parameter in the request. |
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* This holds the order of the items in the repeatable container. |
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*/ |
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protected function getFileOrderFromRequest(): array |
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{ |
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$items = CRUD::getRequest()->input('_order_'.$this->getRepeatableContainerName()) ?? []; |
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array_walk($items, function (&$key, $value) { |
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$requestValue = $key[$this->getName()] ?? null; |
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$key = $this->handleMultipleFiles ? (is_string($requestValue) ? explode(',', $requestValue) : $requestValue) : $requestValue; |
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}); |
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return $items; |
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} |
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private function getPreviousRepeatableValues(Model $entry, UploaderInterface $uploader): array |
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{ |
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$previousValues = json_decode($entry->getOriginal($uploader->getRepeatableContainerName()), true); |
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if (! empty($previousValues)) { |
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$previousValues = array_column($previousValues, $uploader->getName()); |
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} |
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return $previousValues ?? []; |
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} |
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} |
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Laravel-Backpack /
CRUD
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.