} // null by default
#endregion
#region Public IServices Members
/// <summary>
/// Returns an HTML fragment suitable for inclusion in any standards-mode web page, which embeds a HotDocs interview
/// directly in that web page.
/// </summary>
/// <param name="template">The template for which the interview will be requested.</param>
/// <param name="answers">The initial set of answers to include in the interview.</param>
/// <param name="settings">Settings that define various interview behavior.</param>
/// <param name="markedVariables">A collection of variables that should be marked with special formatting in the interview.</param>
/// <param name="logRef">A string to display in logs related to this request.</param>
/// <returns>An object which contains an HTML fragment to be inserted in a web page to display the interview.</returns>
public InterviewResult GetInterview(Template template, TextReader answers, InterviewSettings settings, IEnumerable <string> markedVariables, string logRef)
{
// Validate input parameters, creating defaults as appropriate.
string logStr = logRef == null ? string.Empty : logRef;
if (template == null)
{
throw new ArgumentNullException("template", string.Format(@"Cloud.Services.GetInterview: the ""template"" parameter passed in was null, logRef: {0}", logStr));
}
if (settings == null)
{
settings = new InterviewSettings();
}
// Configure interview settings
settings.Settings["OmitImages"] = "true"; // Instructs HDS not to return images used by the interview; we'll get them ourselves from the template location. (See GetInterviewFile below.)
settings.Settings["OmitDefinitions"] = "true"; // Instructs HDS not to return interview definitions; we'll get them ourselves from the template location. (See GetInterviewFile below.)
settings.Settings["TempInterviewUrl"] = Util.GetInterviewImageUrl(settings, template);
settings.Settings["InterviewDefUrl"] = Util.GetInterviewDefinitionUrl(settings, template);
settings.MarkedVariables = (string[])(markedVariables ?? new string[0]);
// Get the interview.
InterviewResult result = new InterviewResult();
BinaryObject[] interviewFiles = null;
using (var client = new SoapClient(_subscriberID, _signingKey, HostAddress, ProxyAddress))
{
interviewFiles = client.GetInterview(
template,
answers == null ? "" : answers.ReadToEnd(),
settings,
logRef
);
// Throw an exception if we do not have exactly one interview file.
// Although interviewFiles could potentially contain more than one item, the only one we care about is the
// first one, which is the HTML fragment. All other items, such as interview definitions (.JS and .DLL files)
// or dialog element images are not needed, because we can get them out of the package file instead.
// We enforce this by setting the OmitImages and OmitDefinitions values above, so we will always have exactly one item here.
if (interviewFiles.Length != 1)
{
throw new Exception();
}
StringBuilder htmlFragment = new StringBuilder(Util.ExtractString(interviewFiles[0]));
Util.AppendSdkScriptBlock(htmlFragment, template, settings);
result.HtmlFragment = htmlFragment.ToString();
}
return(result);
}
