/// <summary>
/// Revises the document, resulting in a new document version incremented from the most recent version.
/// </summary>
/// <param name="name">
/// The name of the new document version.
/// </param>
/// <returns>
/// The new <see cref="DocumentVersion" /> for the current document.
/// </returns>
public DocumentVersion Revise(string name)
{
var versionNum = this.DocumentVersions.Any() ? this.DocumentVersions.Max(version => version.VersionNumber) + 1 : 1;
var documentVersion = new DocumentVersion(this, versionNum)
{
Name = name
};
this.AddVersion(documentVersion);
return(documentVersion);
}
/// <summary>
/// Adds a document version to the internal linked list.
/// </summary>
/// <param name="version">
/// The document version to add.
/// </param>
public void AddVersion([NotNull] DocumentVersion version)
{
if (version == null)
{
throw new ArgumentNullException(nameof(version));
}
if (this.documentVersions.Add(version) == false)
{
throw new BusinessException(version, "The document already contains this version.");
}
version.AssociateWith(this);
}