/// <summary>
/// XmlSerialize object without processing instructions, remove all tags & collapse any white-space to a single space,
/// convert all apply ToLocalTime to all DateTime properties
/// </summary>
/// <param name="baseDoc"></param>
/// <returns></returns>
public int CalcDocChecksum(BaseDoc baseDoc, bool?docStatus = null)
{
docStatus = docStatus ?? baseDoc.DocStatus;
// absolutely necessary the object is not altered in any way shape of form
//TODO:implement NormalizeDateTimePropertyValues recursively & properly
baseDoc = baseDoc.Clone(); // NormalizeDateTimePropertyValues();
// strip the processing instruction values so they don't yield a different rendering of the object
foreach (PropertyInfo p in typeof(DocProcessingInstructions).GetProperties()
.Where(p => p.CanWrite && p.PropertyType.IsValueType))
{
p.SetValue(baseDoc, Activator.CreateInstance(p.PropertyType), null);
}
using (StringWriter _StringWriter = new StringWriter())
using (XmlTextWriter _XmlTextWriter = new XmlTextWriter(_StringWriter)) {
new XmlSerializer(baseDoc.GetType()).Serialize(_XmlTextWriter, baseDoc);
return(_StringWriter.ToString()
.GetHashCode() ^ (docStatus ?? false).GetHashCode());
}
}
