LocalPathsTrait.php

<?php namespace MyApp;

use Config;

trait LocalPathsTrait
{
	/**
	 * Replaces remote URL to Local Path
	 *
	 * @param string $url remote image or file (with http and www stuff)
	 *
	 * @return string
	 */
	public function convertToLocalPath( $url )
	{
		$app_url = rtrim( Config::get('app.url'), '/' );
		$public_path = rtrim( public_path(), '/' );
		$result = $url;

		$result = str_replace( $app_url, $public_path, $result );

		$app_url = str_replace( 'https://', 'http://', $app_url );
		$result = str_replace( $app_url, $public_path, $result );

		return $result;
	}

	/**
	 * Replaces local path to Remote URL
	 *
	 * @param string $url local image or file
	 *
	 * @return string
	 */
	public function convertToRemoteURL( $url )
	{
		return $this->convertToExternalPath( $url );
	}

	/**
	 * Replaces local URL to External URL
	 *
	 * @param string $url local image or file
	 *
	 * @return string
	 */
	public function convertToExternalPath( $url )
	{
		$app_url = rtrim( Config::get('app.url'), '/' );
		$public_path = rtrim( public_path(), '/' );

		$result = str_replace( $public_path, $app_url, $url );

		return $result;
	}

	/**
	 * Checks if file is local
	 *
	 * @param string $url
	 *
	 * @return bool
	 */
	public function isFileLocal( $url )
	{
		return starts_with( $url, Config::get('app.url') );
	}

	/**
	 * Checks if image is local
	 *
	 * @param string $url
	 *
	 * @return bool
	 */
	public function isImageLocal( $url )
	{
		return $this->isFileLocal( $url );
	}
}