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<?php |
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namespace Staticus\Resources\Middlewares\Image; |
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use Staticus\Exceptions\WrongRequestException; |
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use Staticus\Resources\Image\CropImageDO; |
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use Staticus\Resources\Image\ResourceImageDO; |
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use Staticus\Resources\Image\ResourceImageDOInterface; |
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use Staticus\Resources\Middlewares\PrepareResourceMiddlewareAbstract; |
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abstract class PrepareImageMiddlewareAbstract extends PrepareResourceMiddlewareAbstract |
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{ |
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protected function fillResourceSpecialFields() |
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{ |
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$size = static::getParamFromRequest('size', $this->request); |
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$this->parseSizeParameter($size); |
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$crop = static::getParamFromRequest('crop', $this->request); |
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$this->parseCropParameter($crop); |
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} |
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protected function parseCropParameter($crop) |
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{ |
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if ($crop) { |
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/* @var ResourceImageDOInterface $resource */ |
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$resource = $this->resourceDO; |
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$crop = explode('x', $crop); |
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if (count($crop) != 4) { |
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throw new WrongRequestException('Crop parameter has to consist of four parts, concatenated by "x" char.'); |
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} |
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$cropObject = new CropImageDO(); |
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$cropObject->setX((int) $crop[0]); |
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$cropObject->setY((int) $crop[1]); |
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$cropObject->setWidth((int) $crop[2]); |
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$cropObject->setHeight((int) $crop[3]); |
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if (!$resource->getWidth() || !$cropObject->getHeight()) { |
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throw new WrongRequestException('You should send the size=[X]x[Y] parameter together with the crop parameter'); |
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} |
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if ($cropObject->getX() < 0 || $cropObject->getY() < 0 || |
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$cropObject->getWidth() < 1 || $cropObject->getHeight() < 1 |
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) { |
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throw new WrongRequestException('Crop parameters can not be less than zero'); |
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} |
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$resizeRatio = $resource->getWidth() / $resource->getHeight(); |
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$cropRatio = $cropObject->getWidth() / $cropObject->getHeight(); |
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if ($resizeRatio !== $cropRatio) { |
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throw new WrongRequestException('Wrong width to height ratio in crop parameter. |
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It should be same as width to height ratio in size parameter'); |
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} |
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$resource->setCrop($cropObject); |
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} |
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} |
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protected function parseSizeParameter($size) |
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{ |
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$width = ResourceImageDO::DEFAULT_WIDTH; |
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$height = ResourceImageDO::DEFAULT_HEIGHT; |
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$resource = $this->resourceDO; |
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if ($size) { |
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$size = explode('x', $size); |
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if (!empty($size[0]) && !empty($size[1])) { |
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$width = (int)$size[0]; |
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$height = (int)$size[1]; |
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if ($width < 0 || $height < 0) { |
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throw new WrongRequestException('Sizes can not be less than zero'); |
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} |
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if ($width && $height) { |
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$allowedSizes = $this->config->get('staticus.images.sizes'); |
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if (!in_array([$width, $height], $allowedSizes)) { |
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throw new WrongRequestException('Resource size is not allowed: ' . $width . 'x' . $height); |
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} |
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} |
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} |
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} |
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/** @var ResourceImageDOInterface $resource */ |
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$resource->setWidth($width); |
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$resource->setHeight($height); |
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} |
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} |
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KIVagant /
staticus-core
