/// <summary>
/// Copy constructor -- this constructor is invoked to make a new copy of the (static) Default AssembleDocumentSettings
/// (as originally read from web.config).
/// </summary>
/// <param name="source">The source settings to be copied.</param>
public AssembleDocumentSettings(AssembleDocumentSettings source)
{
Format = source.Format;
OutputOptions = source.OutputOptions;
RetainTransientAnswers = source.RetainTransientAnswers;
UseMarkupSyntax = source.UseMarkupSyntax;
DefaultUnansweredFormat = source.DefaultUnansweredFormat;
HonorCmpUnansweredFormat = source.HonorCmpUnansweredFormat;
DateOrderPreference = source.DateOrderPreference;
DefaultDateFormat = source.DefaultDateFormat;
}
static AssembleDocumentSettings()
{
s_default = null;
}
/// <summary>
/// Copy constructor -- this constructor is invoked to make a new copy of the (static) Default AssembleDocumentSettings
/// (as originally read from web.config).
/// </summary>
/// <param name="source">The source settings to be copied.</param>
public AssembleDocumentSettings(AssembleDocumentSettings source)
{
Format = source.Format;
OutputOptions = source.OutputOptions;
RetainTransientAnswers = source.RetainTransientAnswers;
UseMarkupSyntax = source.UseMarkupSyntax;
DefaultUnansweredFormat = source.DefaultUnansweredFormat;
HonorCmpUnansweredFormat = source.HonorCmpUnansweredFormat;
DateOrderPreference = source.DateOrderPreference;
DefaultDateFormat = source.DefaultDateFormat;
}
/// <summary>
/// Called by the host application when answers have been posted back from a browser interview.
/// </summary>
/// <param name="interviewAnswers">The answers that were posted back from the interview.</param>
public void FinishInterview(TextReader interviewAnswers)
{
// overlay interviewAnswers over the session answer set,
AnswerCollection.OverlayXml(interviewAnswers);
// skip past completed work items to get the current workItem
WorkItem workItem = null;
int itemIndex = 0;
for (; itemIndex < _workItems.Count; itemIndex++)
{
workItem = _workItems[itemIndex];
if (!workItem.IsCompleted)
break;
workItem = null;
}
if (workItem != null && workItem is InterviewWorkItem)
{
// if the current template is an interview template
if (workItem.Template.TemplateType == TemplateType.InterviewOnly)
{
// "assemble" it...
AssembleDocumentSettings asmOpts = new AssembleDocumentSettings(DefaultAssemblySettings);
asmOpts.Format = DocumentType.Native;
// if this is not the last work item in the queue, force retention of transient answers
asmOpts.RetainTransientAnswers |= (itemIndex < _workItems.Count - 1);
// assemble the item
using (var asmResult = _service.AssembleDocument(workItem.Template, new StringReader(AnswerCollection.XmlAnswers), asmOpts, ""))
{
// replace the session answers with the post-assembly answers
AnswerCollection.ReadXml(asmResult.Answers);
// add pendingAssemblies to the queue as necessary
InsertNewWorkItems(asmResult.PendingAssemblies, itemIndex);
}
}
// mark this interview workitem as complete. (This will cause the WorkSession to advance to the next workItem.)
CurrentWorkItem.IsCompleted = true;
}
}
/// <summary>
/// AssembleDocuments causes all contiguous pending document work items (from CurrentWorkItem onwards)
/// to be assembled, and returns the assembled documents.
/// </summary>
/// <param name="preAssembleDocument">This delegate will be called immediately before each document is assembled.</param>
/// <param name="postAssembleDocument">This delegate will be called immediately following assembly of each document.</param>
/// <param name="userState">This object will be passed to the above delegates.</param>
/// <include file="../Shared/Help.xml" path="Help/string/param[@name='logRef']"/>
/// <returns>An array of Document, one item for each document that was assembled. Note that these items
/// are of type Document, not AssemblyResult (see below).</returns>
/// <remarks>
/// <para>If AssembleDocuments is called when the current work item is not a document (i.e. when there are
/// currently no documents to assemble), it will return an empty array of results without performing any work.</para>
/// TODO: include a table that shows the relationship between members of Document, AssemblyResult, WorkSession and DocumentWorkItem.
/// </remarks>
public Document[] AssembleDocuments(PreAssembleDocumentDelegate preAssembleDocument,
PostAssembleDocumentDelegate postAssembleDocument, object userState, string logRef)
{
var result = new List<Document>();
// skip past completed work items to get the current workItem
WorkItem workItem = null;
int itemIndex = 0;
for (; itemIndex < _workItems.Count; itemIndex++)
{
workItem = _workItems[itemIndex];
if (!workItem.IsCompleted)
break;
workItem = null;
}
// while the current workItem != null && is a document (i.e. is not an interview)
while (workItem != null && workItem is DocumentWorkItem)
{
var docWorkItem = workItem as DocumentWorkItem;
// make a copy of the default assembly settings and pass it to the BeforeAssembleDocumentDelegate (if provided)
AssembleDocumentSettings asmOpts = new AssembleDocumentSettings(DefaultAssemblySettings);
asmOpts.Format = workItem.Template.NativeDocumentType;
// if this is not the last work item in the queue, force retention of transient answers
asmOpts.RetainTransientAnswers |= (workItem != _workItems[_workItems.Count - 1]);
if (preAssembleDocument != null)
preAssembleDocument(docWorkItem.Template, AnswerCollection, asmOpts, userState);
// assemble the item
using (var asmResult = _service.AssembleDocument(docWorkItem.Template, new StringReader(AnswerCollection.XmlAnswers), asmOpts, logRef))
{
if (postAssembleDocument != null)
postAssembleDocument(docWorkItem.Template, asmResult, userState);
// replace the session answers with the post-assembly answers
AnswerCollection.ReadXml(asmResult.Answers);
// add pendingAssemblies to the queue as necessary
InsertNewWorkItems(asmResult.PendingAssemblies, itemIndex);
// store UnansweredVariables in the DocumentWorkItem
docWorkItem.UnansweredVariables = asmResult.UnansweredVariables;
// add an appropriate Document to a list being compiled for the return value of this method
result.Add(asmResult.ExtractDocument());
}
// mark the current workitem as complete
docWorkItem.IsCompleted = true;
// advance to the next workitem
workItem = (++itemIndex >= _workItems.Count) ? null : _workItems[itemIndex];
}
return result.ToArray();
}
/// <summary>
/// Creates a WorkSession object that a host application can use to step through the process of presenting
/// all the interviews and assembling all the documents that may result from the given template.
///
/// Allows the default interview settings to be specified instead of being read from config file
/// </summary>
/// <param name="service">An object implementing the IServices interface, encapsulating the instance of
/// HotDocs Server with which the host app is communicating.</param>
/// <param name="template">The template upon which this WorkSession is based. The initial interview and/or
/// document work items in the WorkSession will be based on this template (including its Switches property).</param>
/// <param name="answers">A collection of XML answers to use as a starting point for the work session.
/// The initial interview (if any) will be pre-populated with these answers, and the subsequent generation
/// of documents will have access to these answers as well.</param>
/// <param name="defaultInterviewSettings">The default interview settings to be used throughout the session</param>
public WorkSession(IServices service, Template template, TextReader answers, InterviewSettings defaultInterviewSettings)
{
_service = service;
AnswerCollection = new AnswerCollection();
if (answers != null)
AnswerCollection.ReadXml(answers);
DefaultAssemblySettings = new AssembleDocumentSettings();
if (defaultInterviewSettings != null)
DefaultInterviewSettings = defaultInterviewSettings;
else
DefaultInterviewSettings = new InterviewSettings();
// add the work items
_workItems = new List<WorkItem>();
if (template.HasInterview)
_workItems.Add(new InterviewWorkItem(template));
if (template.GeneratesDocument)
_workItems.Add(new DocumentWorkItem(template));
}
