private static string GetUrlOptionsQueryString(FileUrlOptions options)
{
if ((options == null) || !options.AttachmentContentDisposition)
{
return(String.Empty);
}
var queryStringParameters = new NameValueCollection {
{ "disposition", "attachment" }
};
return(queryStringParameters.ToQueryString());
}
/// <summary>
/// Generates a fully qualified URL to the specified file path.
/// </summary>
/// <param name="instance">The object that provides methods to build URLs to Kentico content.</param>
/// <param name="path">The virtual path of the file.</param>
/// <param name="options">Options that affect the file URL.</param>
/// <returns>The fully qualified URL to the file.</returns>
/// <exception cref="ArgumentNullException"><paramref name="instance"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="path"/> is null, empty or contains query string parameters.</exception>
public static string FileUrl(this ExtensionPoint <UrlHelper> instance, string path, FileUrlOptions options)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException("The file path needs to be provided.");
}
var absolutePath = instance.Target.Content(path);
var queryString = GetUrlOptionsQueryString(options);
return(BuildUrl(absolutePath, queryString));
}
