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FileManager.php
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FileManager.php
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<?php
declare(strict_types=1);
namespace BBSLab\NovaFileManager;
use BBSLab\NovaFileManager\Contracts\Services\FileManagerContract;
use BBSLab\NovaFileManager\Contracts\Support\InteractsWithFilesystem;
use BBSLab\NovaFileManager\Support\Asset;
use Closure;
use JsonException;
use Laravel\Nova\Fields\Field;
use Laravel\Nova\Http\Requests\NovaRequest;
use stdClass;
class FileManager extends Field implements InteractsWithFilesystem
{
use Traits\Support\InteractsWithFilesystem;
public $component = 'nova-file-manager-field';
public bool $multiple = false;
public ?int $limit = null;
public Closure $storageCallback;
public function __construct($name, $attribute = null, Closure $storageCallback = null)
{
parent::__construct($name, $attribute);
$this->prepareStorageCallback($storageCallback);
}
public function multiple(bool $multiple = true): static
{
$this->multiple = $multiple;
return $this;
}
public function limit(?int $limit = null): static
{
$this->limit = $limit;
return $this;
}
/**
* @throws \JsonException
*/
protected function fillAttribute(NovaRequest $request, $requestAttribute, $model, $attribute)
{
$result = call_user_func(
$this->storageCallback,
$request,
$model,
$attribute,
$requestAttribute
);
if ($result === true) {
return;
}
if ($result instanceof Closure) {
return $result;
}
if (!is_array($result)) {
return $model->{$attribute} = $result;
}
foreach ($result as $key => $value) {
$model->{$key} = $value;
}
}
protected function prepareStorageCallback(Closure $storageCallback = null): void
{
$this->storageCallback = $storageCallback ?? function (
NovaRequest $request,
$model,
string $attribute,
string $requestAttribute
) {
$value = $request->input($requestAttribute);
try {
$payload = json_decode($value ?? '', true, 512, JSON_THROW_ON_ERROR);
} catch (JsonException) {
$payload = [];
}
$files = collect($payload);
if ($this->multiple) {
$value = collect($files)->map(fn (array $file) => new Asset(...$file));
} else {
$value = $files->isNotEmpty() ? new Asset(...$files->first()) : null;
}
return [$attribute => $value];
};
}
protected function resolveAttribute($resource, $attribute = null): ?array
{
if (!$value = parent::resolveAttribute($resource, $attribute)) {
return null;
}
if ($value instanceof Asset) {
$value = collect([$value]);
}
if ($value instanceof stdClass) {
$value = (array) $value;
}
if (is_array($value)) {
if ($this->multiple) {
$value = collect($value)->map(fn (array $asset) => new Asset(...$asset));
} else {
$value = collect([new Asset(...$value)]);
}
}
return $value
->map(function (Asset $asset) {
$disk = $this->resolveFilesystem(app(NovaRequest::class)) ?? $asset->disk;
/** @var \BBSLab\NovaFileManager\Services\FileManagerService $manager */
$manager = app(FileManagerContract::class, ['disk' => $disk]);
if ($this->hasUrlResolver()) {
$manager->resolveUrlUsing($this->getUrlResolver());
}
return $manager->makeEntity($asset->path, $asset->disk);
})
->toArray();
}
public function jsonSerialize(): array
{
return array_merge(
parent::jsonSerialize(),
[
'multiple' => $this->multiple,
'limit' => $this->multiple ? $this->limit : 1,
],
$this->options(),
);
}
}