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<?php |
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namespace Encore\Admin\Form\Field; |
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use Encore\Admin\Form\Field; |
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use Illuminate\Support\Facades\Input; |
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use Illuminate\Support\Facades\Storage; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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class File extends Field |
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{ |
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const ACTION_KEEP = 0; |
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const ACTION_REMOVE = 1; |
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protected $directory = ''; |
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protected $name = null; |
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protected $options = []; |
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protected $storage = ''; |
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public function __construct($column, $arguments = []) |
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{ |
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$this->initOptions(); |
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$this->initStorage(); |
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parent::__construct($column, $arguments); |
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} |
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protected function initOptions() |
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{ |
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$this->options = [ |
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'overwriteInitial' => true, |
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'showUpload' => false, |
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'language' => config('app.locale'), |
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]; |
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} |
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protected function initStorage() |
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{ |
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$this->storage = Storage::disk(config('admin.upload.disk')); |
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} |
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public function defaultStorePath() |
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{ |
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return config('admin.upload.directory.file'); |
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} |
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public function move($directory, $name = null) |
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{ |
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$this->directory = $directory; |
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$this->name = $name; |
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return $this; |
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} |
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public function prepare(UploadedFile $file = null) |
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{ |
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if (is_null($file)) { |
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if ($this->isDeleteRequest()) { |
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return ''; |
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} |
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return $this->original; |
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} |
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$this->directory = $this->directory ?: $this->defaultStorePath(); |
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$this->name = $this->name ?: $file->getClientOriginalName(); |
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return $this->uploadAndDeleteOriginal($file); |
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} |
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/** |
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* @param $file |
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* |
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* @return mixed |
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*/ |
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protected function uploadAndDeleteOriginal(UploadedFile $file) |
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{ |
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$this->renameIfExists($file); |
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$target = $this->directory.'/'.$this->name; |
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$this->storage->put($target, file_get_contents($file->getRealPath())); |
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$this->destroy(); |
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return $target; |
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} |
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protected function preview() |
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{ |
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$fileName = basename($this->value); |
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return <<<EOT |
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<div class="file-preview-other-frame"> |
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<div class="file-preview-other"> |
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<span class="file-icon-4x"><i class="fa fa-file"></i></span> |
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</div> |
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</div> |
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<div class="file-preview-other-footer"><div class="file-thumbnail-footer"> |
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<div class="file-footer-caption">{$fileName}</div> |
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</div></div> |
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EOT; |
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} |
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public function options($options = []) |
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{ |
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$this->options = array_merge($this->options, $options); |
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return $this; |
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} |
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public function objectUrl($path) |
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{ |
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return trim(config('admin.upload.host'), '/') .'/'. trim($path, '/'); |
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} |
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public function render() |
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{ |
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$this->js[] = 'bootstrap-fileinput/js/fileinput_locale_'.config('app.locale').'.js'; |
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$this->options['initialCaption'] = basename($this->value); |
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if (!empty($this->value)) { |
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$this->options['initialPreview'] = $this->preview(); |
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} |
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$options = json_encode($this->options); |
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$this->script = <<<EOT |
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$("#{$this->id}").fileinput({$options}); |
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$("#{$this->id}").on('filecleared', function(event) { |
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$("#{$this->id}_action").val(1); |
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}); |
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EOT; |
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return parent::render(); |
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} |
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/** |
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* If is delete request then delete original image. |
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* |
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* @return bool |
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*/ |
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public function isDeleteRequest() |
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{ |
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$action = Input::get($this->id.'_action'); |
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if ($action == static::ACTION_REMOVE) { |
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$this->destroy(); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param $file |
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* |
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* @return void |
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*/ |
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public function renameIfExists(UploadedFile $file) |
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{ |
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if ($this->storage->exists("$this->directory/$this->name")) { |
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$this->name = md5(uniqid()).'.'.$file->guessExtension(); |
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} |
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} |
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public function destroy() |
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{ |
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$this->storage->delete($this->original); |
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} |
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} |
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z-song /
laravel-admin
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Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects.