private static byte[] GetFullByteBuffer(BasicNodeModel model)
{
List <byte> buffer = new List <byte>();
// Add the contentType
buffer.Add((byte)model.ContentType);
// Add the common name
buffer.AddRange(Encoding.UTF8.GetBytes(model.CommonName));
// Add each of the other names
foreach (string name in model.OtherNames.OrderBy(x => x))
{
buffer.AddRange(Encoding.UTF8.GetBytes(name));
}
// Add the release date
if (model.ReleaseDate.HasValue)
{
buffer.AddRange(Encoding.UTF8.GetBytes(DateValueConverter.ToDateTime(model.ReleaseDate.Value).ToString("yyyy-MM-dd")));
}
else
{
buffer.AddRange(Encoding.UTF8.GetBytes("0000-00-00"));
}
// Add the death date
if (model.DeathDate.HasValue)
{
buffer.AddRange(Encoding.UTF8.GetBytes(DateValueConverter.ToDateTime(model.DeathDate.Value).ToString("yyyy-MM-dd")));
}
else
{
buffer.AddRange(Encoding.UTF8.GetBytes("0000-00-00"));
}
// Add the id
buffer.AddRange(model.Id.ToByteArray());
// Add node type content
if (model.ContentType == NodeContentType.Company)
{
AddCompanyInformationToBuffer(((CompanyNodeModel)model), ref buffer);
}
else if (model.ContentType == NodeContentType.Media)
{
AddMediaInformationToBuffer(((MediaNodeModel)model), ref buffer);
}
else if (model.ContentType == NodeContentType.Person)
{
AddPersonInformationToBuffer(((PersonNodeModel)model), ref buffer);
}
return(buffer.ToArray());
}
private static byte[] GetPartialByteBuffer(BasicNodeModel model)
{
List <byte> buffer = new List <byte>();
// Add the common name of the node
buffer.AddRange(Encoding.UTF8.GetBytes(model.CommonName));
// Add the content type
buffer.Add((byte)model.ContentType);
// Add the release date
if (model.ReleaseDate.HasValue)
{
buffer.AddRange(Encoding.UTF8.GetBytes(DateValueConverter.ToDateTime(model.ReleaseDate.Value).ToString("yyyy-MM-dd")));
}
else
{
buffer.AddRange(Encoding.UTF8.GetBytes("0000-00-00"));
}
// Finally, add the id
buffer.AddRange(model.Id.ToByteArray());
return(buffer.ToArray());
}
/// <summary>
/// Creates a BasicNodeModel based on the given INode.
/// </summary>
/// <exception cref="ArgumentException">If the INode could not be parsed</exception>
/// <param name="node">The INode from which to create the BasicNodeModel</param>
/// <returns>The created BasicNodeModel or null if an error occurred</returns>
public static BasicNodeModel FromINode(INode node)
{
BasicNodeModel result = null;
try
{
NodeContentType contentType = (NodeContentType)Enum.Parse(typeof(NodeContentType), node.Labels[0]);
if (contentType == NodeContentType.Company)
{
result = new CompanyNodeModel();
}
else if (contentType == NodeContentType.Media)
{
result = new MediaNodeModel
{
// Media properties
MediaType = node.Labels.Count > 2 ? (NodeMediaType)Enum.Parse(typeof(NodeMediaType), node.Labels[1]) : 0,
Franchise = node.Properties.ContainsKey("franchise") ? node.Properties["franchise"].As <string>() : null,
Genres = node.Properties.ContainsKey("genres") ? node.Properties["genres"].As <List <string> >() : new List <string>()
};
}
else if (contentType == NodeContentType.Person)
{
result = new PersonNodeModel
{
// Person properties
FamilyName = node.Properties.ContainsKey("familyName") ? node.Properties["familyName"].As <string>() : null,
GivenName = node.Properties.ContainsKey("givenName") ? node.Properties["givenName"].As <string>() : null,
Status = node.Properties.ContainsKey("status") ? (PersonStatus)Enum.Parse(typeof(PersonStatus), node.Properties["status"].As <string>()) : 0
};
// If the family and given name was not populated and there is a common name,
if (((PersonNodeModel)result).FamilyName == null && ((PersonNodeModel)result).GivenName == null &&
node.Properties.ContainsKey("commonName"))
{
// Parse the names out of the common name
string[] nameParts = node.Properties["commonName"].As <string>().Split(' ');
string givenName = "";
string familyName = "";
for (int i = 0; i < nameParts.Length; i++)
{
if (i != nameParts.Length - 1)
{
givenName += $"{nameParts[i]} ";
}
else
{
familyName = nameParts[i];
}
}
((PersonNodeModel)result).GivenName = givenName.Trim();
((PersonNodeModel)result).FamilyName = familyName;
}
}
// Basic properties
result.Id = Guid.Parse(node.Properties["id"].As <string>());
result.ContentType = contentType;
result.ReleaseDate = node.Properties.ContainsKey("releaseDate") ? node.Properties["releaseDate"].As <long>() : default(long?);
result.DeathDate = node.Properties.ContainsKey("deathDate") ? node.Properties["deathDate"].As <long>() : default(long?);
result.CommonName = node.Properties.ContainsKey("commonName") ? node.Properties["commonName"].As <string>() : null;
result.OtherNames = node.Properties.ContainsKey("otherNames") ? node.Properties["otherNames"].As <List <string> >() : new List <string>();
result.PartialHash = node.Properties.ContainsKey("partialHash") ? node.Properties["partialHash"].As <string>() : "";
result.FullHash = node.Properties.ContainsKey("fullHash") ? node.Properties["fullHash"].As <string>() : "";
}
catch (Exception e)
{
throw new ArgumentException("Failed to parse the given node: (Type: " + node.Labels[0] + " Id: " + node.Properties["id"].As <string>(), e);
}
return(result);
}
public static string CalculateFullHash(BasicNodeModel model)
{
byte[] hash = Hash(GetFullByteBuffer(model));
return(hash != null?ConvertToHexString(hash) : null);
}
