/// <summary> /// Synchronizes a specific document to push changes to the server. If another user made changes meanwhile, a conflict arises and a difference view is displayed. /// </summary> /// <param name="document">The document content from the UI</param> public void SyncDocument(FlowDocument document) { if (System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()) { //Metadata //0: docid -> docid 11 //1: userid -> userid 11 //2: timestamp -> timestamp 12-12-2012 12:18:19 object[] metadata = LocalPersistenceHandler.RetrieveMetadataFromFile(session.CurrentDocumentPath); int documentID = (int)metadata[0]; DateTime baseDocumentCreationTime = (DateTime)metadata[2]; //int folderID = (int)metadata[3]; StringBuilder sb = new StringBuilder(); string metadataString = Metadata.GenerateMetadataString(documentID, session.UserID, DateTime.UtcNow);//, folderID); sb.Append(metadataString); sb.AppendLine(); //generate xaml for the document String xaml = System.Windows.Markup.XamlWriter.Save(document); sb.Append(xaml); //get the text from the document String content = new TextRange(document.ContentStart, document.ContentEnd).Text; String[][] responseArrays = null; //connect to the websevice using (ServiceReference.Service1Client proxy = new ServiceReference.Service1Client()) { //push the current document responseArrays = proxy.SyncDocument(session.UserID, documentID, session.CurrentDocumentPath, sb.ToString(), session.CurrentDocumentTitle, content); } if (responseArrays == null) //if there is no conflict { if (documentID == 0) { //connect to the websevice using (ServiceReference.Service1Client proxy = new ServiceReference.Service1Client()) { documentID = proxy.GetDocumentId(session.UserID, session.CurrentDocumentTitle); } } //save document with new metadata - basedocument localPersistence.SaveDocumentToFile(document, Metadata.ReplaceDocumentIDInMetadata(metadataString, documentID)); session.CurrentDocumentID = documentID; } else //if there is a conflict { gui.SetupMergeView(responseArrays); } } else { //No web connection } }