public static dtdlInterfaceModel GetDTDLModel(DigitalTwinsClient client, string dtmi)
{
dtdlInterfaceModel dtdlModel = new dtdlInterfaceModel();
try
{
Response <ModelData> r = client.GetModel(dtmi);
if (r.Value != null)
{
if (!Program.gVehicle.Exists(item => item.id == dtmi))
{
dtdlModel = DigitalTwinInMemory.LoadInterfaceModel(r.Value.Model);
}
}
}
catch (RequestFailedException e)
{
Console.WriteLine($"Response {e.Status}: {e.Message}");
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex.Message}");
}
return(dtdlModel);
}
private static bool ProcessExtendsSectionItem(string file, string extendsSectionItem)
{
bool exitProcess = false;
MatchCollection dtmiExtends = Regex.Matches(extendsSectionItem, "dtmi:[:a-zA-Z0-9;_]*", RegexOptions.Singleline);
foreach (Match dtmiExtendsMatch in dtmiExtends)
{
// find this model
try
{
Response <ModelData> res = client.GetModel(dtmiExtendsMatch.Value);
// model found! keep going
}
catch (RequestFailedException e)
{
// Model Not Found - find it in the directory and call Upload Model
if (e.Status == 404)
{
string missingInterface = dtmiExtendsMatch.Value;
int missingPartIndex = missingInterface.LastIndexOf(":");
missingInterface = missingInterface.Substring(missingPartIndex + 1).Replace(";1", "");
missingInterface = missingInterface.Replace(";", "");
string[] missingFile = Directory.GetFiles(modelPath, missingInterface + ".json*", SearchOption.AllDirectories);
if (missingFile.Count <string>() == 0)
{
// no file found, perhaps the definition of the schema is contained within the current file, lets try
exitProcess = UploadModel(file);
if (exitProcess == true)
{
Log.Error($"Could not find a definition for Interace {" + missingInterface + "}");
}
}
else
{
if (missingFile.Count <string>() > 1)
{
// More than one file was matched, log a warning
Log.Alert("More than one file matched the prefix " + missingInterface + ".json in the ModelPath directory. Processing only the first");
}
// try to Upload the Model in the extends section
exitProcess = UploadModel(missingFile[0]);
}
}
else
{
Log.Error($"Error in extends section in Model {file.Split("\\").Last()}");
Log.Error($"Response {e.Status}: {e.Message}");
exitProcess = true;
}
}
}
return(exitProcess);
}
/// <summary>
/// Create a twin with the specified properties
/// </summary>
public static async Task CreateTwin(DigitalTwinsClient client)
{
Console.Write("vehicleId: ");
string vehicleID = Console.ReadLine();
Console.Write("modelId: ");
string dtmi = Console.ReadLine();
try
{
Response <ModelData> res = client.GetModel(dtmi);
string twinId = string.Format("{0}-{1}", res.Value.DisplayName.Values.ElementAt(0), vehicleID);
Console.Write("twinId (suggest {0}): ", twinId);
twinId = Console.ReadLine();
var twinData = new BasicDigitalTwin
{
Id = twinId,
Metadata =
{
ModelId = dtmi,
},
};
try
{
await client.CreateDigitalTwinAsync(twinData.Id, JsonSerializer.Serialize(twinData));
Console.WriteLine($"Twin '{twinId}' created successfully!");
}
catch (RequestFailedException e)
{
Console.WriteLine($"Error {e.Status}: {e.Message}");
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex}");
}
}
catch (RequestFailedException e)
{
Console.WriteLine($"Error {e.Status}: {e.Message}");
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex.Message}");
}
}
public ModelDto GetModel(string modelId)
{
var modelDatum = _digitalTwinsClient.GetModel(modelId);
return(ModelDto.MapFromModelData(modelDatum.Value));
}
