/**
* @api {put} /images/{imageId}/image?action=rotate Rotate an Image
* @apiGroup Manipulating Images
* @apiDescription Rotate an image clockwise or counter-clockwise.
* @apiParam {string=rotate} action Action to perform.
* @apiParam {int=90,180,270} degrees Degrees to rotate by.
* @apiParam {string=cw,ccw} [direction=cw] Direction to rotate in (clockwise or counter-clockwise respectively).
* @apiUse RequiresEditableImage
* @apiUse ImageSuccessResponse
*
* @param Image $image
* @param FileManager $fileManager
*
* @throws Exception
* @return Response
*/
protected function rotate(Image $image, FileManager $fileManager)
{
$success = false;
$this->validate($this->request, ['degrees' => 'required|integer|in:90,180,270', 'direction' => 'in:cw,ccw']);
if ($image->operationInProgress) {
throw new HttpException(409, "Another operation is currently in progress for this image.");
}
$image->operationInProgress = true;
$image->save();
$degrees = (int) $this->request->input('degrees');
$direction = $this->request->has('direction') ? $this->request->input('direction') : 'cw';
if ($direction === 'cw') {
$degrees = -$degrees;
}
$picture = $fileManager->getPictureForImageFile($image->imageFile);
$picture->rotate($degrees);
if ($newImageFile = $fileManager->savePicture($picture)) {
$image->setImageFile($newImageFile);
$image->operationInProgress = false;
$success = $image->save();
}
return $this->response(['success' => $success, 'image' => $image->fresh()]);
}
