<?php

/**
 * Handle finding and parsing an image file.
 *
 * @author     Time.ly Network Inc.
 * @since      2.0
 * @instantiator new
 * @package    AI1EC
 * @subpackage AI1EC.Theme.File
 */
class Ai1ec_File_Image extends Ai1ec_File_Abstract {

    /**
     * @var string The url of the image file.
     */
    protected $_url;

    /**
     * Get the URL to the image file.
     *
     * @return string
     */
    public function get_url() {
        return $this->_url;
    }

    /* (non-PHPdoc)
     * @see Ai1ec_File_Abstract::process_file()
     */
    public function process_file() {
        $files_to_check = array();
        foreach ( array_keys( $this->_paths ) as $path ) {
            $files_to_check[$path] =
                $path . 'img' . DIRECTORY_SEPARATOR . $this->_name;
        }
        foreach ( $files_to_check as $path => $file ) {
            if ( file_exists( $file ) ) {
                // Construct URL based on base URL available in $this->_paths array.
                $this->_url     = $this->_paths[$path] . '/img/' . $this->_name;
                $this->_content = $file;
                return true;
            }
        }
        return false;
    }
}