133 lines
3.7 KiB
PHP
133 lines
3.7 KiB
PHP
<?php
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namespace App\CMS\Helpers;
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use App\Models\FileManager\File;
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class FileManager
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{
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/**
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* @param File $file
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*
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* @return \Illuminate\Contracts\Routing\UrlGenerator|string
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*/
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public static function getPreview(File $file)
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{
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list($type, $subtype) = explode('/', $file->mime_type);
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switch ($type) {
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case 'image':
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$url = Path::thumbnail($file->filename);
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return '<img src="' . $url . '" alt="' . $file->description . '" />';
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break;
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case 'text':
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return self::getIcon($file, 'fa-file-text-o');
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break;
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case 'application':
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switch ($subtype) {
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case 'pdf':
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return self::getIcon($file, 'fa-file-pdf-o');
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break;
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default:
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return self::getIcon($file, 'fa-newspaper-o');
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break;
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}
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break;
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default:
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return self::getIcon($file, 'fa-question');
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break;
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}
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}
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/**
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* Shortcut for displaying icons
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*
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* @param $file
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* @param $icon
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*
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* @return string
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*/
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protected static function getIcon($file, $icon)
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{
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return '<p><i class="fa fa-2x ' . $icon . '"></i><br /><span>' . e(str_limit($file->original_filename, 15)) . '</span></p>';
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}
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/**
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*
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*
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* @param File $file
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*
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* @return string
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*/
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public static function getFormattedSize(File $file)
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{
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$bytes = $file->file_size;
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$label = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
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for ($i = 0; $bytes >= 1024 && $i < (count($label) - 1); $bytes /= 1024, $i++) {
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;
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}
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return (round($bytes, 2) . " " . $label[$i]);
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}
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/**
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* Get preview for file detail
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*
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* @param File $file
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*
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* @return \Illuminate\Contracts\Routing\UrlGenerator|string
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*/
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public static function getLargePreview(File $file)
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{
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list($type, $subtype) = explode('/', $file->mime_type);
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$url = config('app.upload_url') . '/' . $file->filename;
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$path = config('app.upload_path') . DIRECTORY_SEPARATOR . $file->filename;
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switch ($type) {
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case 'image':
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return '<img src="' . $url . '" alt="' . $file->description . '" />';
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break;
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case 'text':
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$string = '<pre><code>';
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$string .= htmlspecialchars(file_get_contents($path));
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$string .= '</pre></code>';
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return $string;
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break;
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case 'application':
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return '<iframe src = "'.asset('resources/assets/admin/js/viewerJs/').'/#'.Path::upload($file->filename).'" style="width: 100%; height: 50em" allowfullscreen webkitallowfullscreen></iframe>';
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break;
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default:
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return self::getPreview($file);
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break;
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}
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}
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/**
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* @param File $file
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*
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* @return array
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*/
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public static function getAdditionalInfo(File $file)
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{
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list($type, $subtype) = explode('/', $file->mime_type);
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$path = config('app.upload_path') . DIRECTORY_SEPARATOR . $file->filename;
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switch ($type) {
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case 'text':
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return [trans('admin/fileManager.encoding') => mb_detect_encoding(file_get_contents($path))];
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break;
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case 'image':
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list ($width, $height) = getimagesize($path);
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return [trans('admin/fileManager.resolution') => $height . ' x ' . $width,];
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break;
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}
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return [];
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}
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} |