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<?php |
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namespace vova07\imperavi\helpers; |
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use vova07\imperavi\actions\GetAction; |
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use yii\base\InvalidParamException; |
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use yii\helpers\BaseFileHelper; |
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use yii\helpers\StringHelper; |
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/** |
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* File system helper |
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* |
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* @author Vasile Crudu <[email protected]> |
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* |
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* @link https://github.com/vova07 |
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*/ |
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class FileHelper extends BaseFileHelper |
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{ |
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/** |
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* @inheritdoc |
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* |
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* @param array $options { |
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* |
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* @type array $except |
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* @type array $only |
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* } |
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*/ |
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public static function findFiles($dir, $options = [], $type = GetAction::TYPE_IMAGES) |
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{ |
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if (!is_dir($dir)) { |
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throw new InvalidParamException('The dir argument must be a directory.'); |
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} |
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$dir = rtrim($dir, DIRECTORY_SEPARATOR); |
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if (isset($options['url'])) { |
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$options['url'] = rtrim($options['url'], '/'); |
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} |
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if (!isset($options['basePath'])) { |
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$options['basePath'] = realpath($dir); |
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// this should also be done only once |
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$options = static::normalizeOptions($options); |
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} |
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$list = []; |
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$handle = opendir($dir); |
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if ($handle === false) { |
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// @codeCoverageIgnoreStart |
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throw new InvalidParamException('Unable to open directory: ' . $dir); |
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// @codeCoverageIgnoreEnd |
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} |
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while (($file = readdir($handle)) !== false) { |
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if ($file === '.' || $file === '..') { |
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continue; |
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} |
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$path = $dir . DIRECTORY_SEPARATOR . $file; |
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if (static::filterPath($path, $options)) { |
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if (is_file($path)) { |
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if (isset($options['url'])) { |
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$url = str_replace([$options['basePath'], '\\'], [$options['url'], '/'], static::normalizePath($path)); |
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if ($type === GetAction::TYPE_IMAGES) { |
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$list[] = [ |
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'title' => $file, |
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'thumb' => $url, |
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'image' => $url |
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]; |
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} elseif ($type === GetAction::TYPE_FILES) { |
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$size = self::getFileSize($path); |
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$list[] = [ |
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'title' => $file, |
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'name' => $file, |
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'link' => $url, |
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'size' => $size |
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]; |
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} else { |
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$list[] = $path; |
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} |
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} else { |
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$list[] = $path; |
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} |
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} elseif (!isset($options['recursive']) || $options['recursive']) { |
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$list = array_merge($list, static::findFiles($path, $options, $type)); |
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} |
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} |
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} |
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closedir($handle); |
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return $list; |
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} |
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/** |
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* @param string $path |
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* |
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* @return string filesize in(B|KB|MB|GB) |
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*/ |
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protected static function getFileSize($path) |
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{ |
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$size = filesize($path); |
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$labels = ['B', 'KB', 'MB', 'GB']; |
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$factor = floor((strlen($size) - 1) / 3); |
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return sprintf("%.1f ", $size / pow(1024, $factor)) . $labels[$factor]; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @codeCoverageIgnore |
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*/ |
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private static function parseExcludePattern($pattern) |
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{ |
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if (!is_string($pattern)) { |
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throw new InvalidParamException('Exclude/include pattern must be a string.'); |
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} |
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$result = [ |
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'pattern' => $pattern, |
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'flags' => 0, |
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'firstWildcard' => false, |
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]; |
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if (!isset($pattern[0])) { |
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return $result; |
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} |
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if ($pattern[0] == '!') { |
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$result['flags'] |= self::PATTERN_NEGATIVE; |
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$pattern = StringHelper::byteSubstr($pattern, 1, StringHelper::byteLength($pattern)); |
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} |
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$len = StringHelper::byteLength($pattern); |
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if ($len && StringHelper::byteSubstr($pattern, -1, 1) == '/') { |
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$pattern = StringHelper::byteSubstr($pattern, 0, -1); |
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$len--; |
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$result['flags'] |= self::PATTERN_MUSTBEDIR; |
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} |
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if (strpos($pattern, '/') === false) { |
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$result['flags'] |= self::PATTERN_NODIR; |
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} |
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$result['firstWildcard'] = self::firstWildcardInPattern($pattern); |
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if ($pattern[0] == '*' && self::firstWildcardInPattern(StringHelper::byteSubstr($pattern, 1, StringHelper::byteLength($pattern))) === false) { |
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$result['flags'] |= self::PATTERN_ENDSWITH; |
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} |
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$result['pattern'] = $pattern; |
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return $result; |
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} |
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/** |
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* @inheritdoc |
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* |
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* @codeCoverageIgnore |
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*/ |
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private static function firstWildcardInPattern($pattern) |
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{ |
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$wildcards = ['*', '?', '[', '\\']; |
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$wildcardSearch = function ($r, $c) use ($pattern) { |
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$p = strpos($pattern, $c); |
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return $r === false ? $p : ($p === false ? $r : min($r, $p)); |
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}; |
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return array_reduce($wildcards, $wildcardSearch, false); |
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} |
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} |
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vova07 /
yii2-imperavi-widget
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