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<?php |
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namespace Lavibi\Popoya; |
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use Psr\Http\Message\StreamInterface; |
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use Psr\Http\Message\UploadedFileInterface; |
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class Image extends AbstractValidator |
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{ |
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const MAX_WIDTH = 'max_width'; |
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const MAX_HEIGHT = 'max_height'; |
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const NOT_VALID_IMAGE = 'not_valid_image'; |
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public function hasMaxWidth($width) |
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{ |
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$this->options['size']['width'] = (int) $width; |
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return $this; |
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} |
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public function hasMaxHeight($height) |
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{ |
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$this->options['size']['height'] = (int) $height; |
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return $this; |
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} |
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/** |
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* @param array $value |
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* |
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* @return bool |
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*/ |
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public function isValid($value) |
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{ |
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$this->value = $value; |
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$image = $this->isImage(); |
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if (!$image) { |
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return false; |
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} |
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if (!$this->isValidImageMaxSize($image['width'], $image['height'])) { |
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return false; |
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} |
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$this->standardValue['image'] = $image; |
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return true; |
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} |
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protected function isImage() |
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{ |
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$file = $this->getFile(); |
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if ($file === false) { |
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$this->setError(static::NOT_VALID_IMAGE); |
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return false; |
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} |
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$size = @getimagesize($file); |
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if ($size === false) { |
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$this->setError(static::NOT_VALID_IMAGE); |
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return false; |
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} |
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return [ |
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'width' => $size[0], |
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'height' => $size[1], |
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]; |
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} |
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protected function getFile() |
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{ |
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$file = $this->value; |
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if ($this->value instanceof UploadedFileInterface) { |
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$file = $this->value->getStream(); |
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} |
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if (is_array($this->value) && isset($this->value['tmp_name'])) { |
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$file = $this->value['tmp_name']; |
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} |
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if (is_string($file)) { |
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return $file; |
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} |
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if ($file instanceof StreamInterface) { |
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return $file->getMetadata('uri'); |
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} |
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return false; |
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} |
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protected function isValidImageMaxSize($width, $height) |
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{ |
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if ($this->options['size']['width'] !== 0 && $width > $this->options['size']['width']) { |
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$this->setError(self::MAX_WIDTH); |
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return false; |
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} |
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if ($this->options['size']['height'] !== 0 && $height > $this->options['size']['height']) { |
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$this->setError(self::MAX_HEIGHT); |
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return false; |
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} |
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return true; |
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} |
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protected function init() |
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{ |
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parent::init(); |
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$this->defaultOptions['size'] = [ |
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'width' => 0, |
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'height' => 0, |
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]; |
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$this->messages[static::NOT_VALID_IMAGE] = 'Given data was not image type.'; |
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$this->messages[static::MAX_WIDTH] = 'Image width is too large.'; |
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$this->messages[static::MAX_HEIGHT] = 'Image height is too large.'; |
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} |
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} |
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lavibi /
popoya
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