static public Microsoft.Samples.FeedSync.HistoryNode CreateNew(Microsoft.Samples.FeedSync.SyncNode i_SyncNode, System.DateTime? i_WhenDateTime, string i_By)
{
Microsoft.Samples.FeedSync.Feed Feed = i_SyncNode.FeedItemNode.Feed;
string ElementName = System.String.Format
(
"{0}:{1}",
Feed.FeedSyncNamespacePrefix,
Microsoft.Samples.FeedSync.Constants.HISTORY_ELEMENT_NAME
);
System.Xml.XmlElement HistoryNodeXmlElement = Feed.XmlDocument.CreateElement
(
ElementName,
Microsoft.Samples.FeedSync.Constants.FEEDSYNC_XML_NAMESPACE_URI
);
if (i_WhenDateTime != null)
{
System.DateTime WhenDateTime = ((System.DateTime)i_WhenDateTime).ToUniversalTime();
string When = WhenDateTime.ToString(Microsoft.Samples.FeedSync.Constants.DATE_STRING_FORMAT);
HistoryNodeXmlElement.SetAttribute
(
Microsoft.Samples.FeedSync.Constants.WHEN_ATTRIBUTE,
When
);
}
int Sequence = i_SyncNode.Updates + 1;
if (!System.String.IsNullOrEmpty(i_By))
{
HistoryNodeXmlElement.SetAttribute
(
Microsoft.Samples.FeedSync.Constants.BY_ATTRIBUTE,
i_By
);
foreach (Microsoft.Samples.FeedSync.HistoryNode ExistingHistoryNode in i_SyncNode.HistoryNodes)
{
if ((ExistingHistoryNode.By == i_By) && (ExistingHistoryNode.Sequence >= Sequence))
Sequence = ExistingHistoryNode.Sequence + 1;
}
}
HistoryNodeXmlElement.SetAttribute
(
Microsoft.Samples.FeedSync.Constants.SEQUENCE_ATTRIBUTE,
(i_SyncNode.Updates + 1).ToString()
);
Microsoft.Samples.FeedSync.HistoryNode HistoryNode = new Microsoft.Samples.FeedSync.HistoryNode
(
null,
HistoryNodeXmlElement
);
return HistoryNode;
}
static public Microsoft.Samples.FeedSync.HistoryNode CreateFromXmlElement(Microsoft.Samples.FeedSync.SyncNode i_SyncNode, System.Xml.XmlElement i_HistoryNodeXmlElement)
{
if (i_HistoryNodeXmlElement.OwnerDocument != i_SyncNode.FeedItemNode.Feed.XmlDocument)
i_HistoryNodeXmlElement = (System.Xml.XmlElement)i_SyncNode.FeedItemNode.Feed.XmlDocument.ImportNode(i_HistoryNodeXmlElement, true);
Microsoft.Samples.FeedSync.HistoryNode HistoryNode = new Microsoft.Samples.FeedSync.HistoryNode
(
i_SyncNode,
i_HistoryNodeXmlElement
);
return HistoryNode;
}