/**
* Deletes all resized versions of an image when the source is deleted
*/
static function add_actions()
{
add_action('delete_post', function ($post_id) {
$post = get_post($post_id);
$image_types = array('image/jpeg', 'image/png', 'image/gif', 'image/jpg');
if ($post->post_type == 'attachment' && in_array($post->post_mime_type, $image_types)) {
$attachment = new TimberImage($post_id);
TimberImageHelper::delete_resized_files($attachment->file_loc);
TimberImageHelper::delete_letterboxed_files($attachment->file_loc);
}
});
}
function testLetterboxImageDeletion()
{
$data = array();
$file = self::copyTestImage('city-museum.jpg');
$upload_dir = wp_upload_dir();
$data['test_image'] = $upload_dir['url'] . '/city-museum.jpg';
$new_file = TimberImageHelper::letterbox($data['test_image'], 500, 500, '#00FF00');
$letterboxed_file = TimberImageHelper::get_letterbox_file_path($data['test_image'], 500, 500, '#00FF00');
$this->assertFileExists($letterboxed_file);
//Now delete the "parent" image
TimberImageHelper::delete_letterboxed_files($file);
//Have the children been deleted as well?
$this->assertFileNotExists($letterboxed_file);
}