//https://docs.microsoft.com/en-us/azure/iot-pnp/concepts-model-parser
public static async Task <Dictionary <string, DTDLContainer> > ParseDTDLAndBuildDynamicContentAsync(JArray dtdlArray)
{
if (dtdlArray == null)
{
throw new ArgumentNullException(nameof(dtdlArray));
}
Dictionary <string, DTDLContainer> globalResult = new Dictionary <string, DTDLContainer>();
DTDLContainer itemResult = null;
ModelParser parser = new ModelParser();
IReadOnlyDictionary <Dtmi, DTEntityInfo> parseResult = await parser.ParseAsync(dtdlArray.Select(i => JsonConvert.SerializeObject(i)));
foreach (JObject dtdl in dtdlArray)
{
try
{
//PROCESS COMPONENTS
await ProcessComponentsWithDynamicContent(dtdlArray, dtdl, globalResult);
//ALL EXCEPT COMPONENTS
itemResult = BuildDynamicContent(dtdl);
}
catch (ParsingException pex)
{
if (itemResult == null)
{
itemResult = new DTDLContainer();
}
itemResult.ParsingErrors = pex.Errors.Select(i => i.Message);
}
catch (Exception ex)
{
itemResult = null;
}
finally
{
if (itemResult != null)
{
if (!globalResult.ContainsKey(dtdl["@id"].Value <string>()))
{
globalResult.Add(dtdl["@id"].Value <string>(), itemResult);
}
}
itemResult = null;
}
}
return(globalResult);
}
private static DTDLContainer BuildDynamicContent(JObject dtdl)
{
if (dtdl == null)
{
throw new ArgumentNullException(nameof(dtdl));
}
DTDLContainer result = new DTDLContainer {
ModelId = dtdl["@id"].Value <string>(), DTDL = dtdl
};
//CONTENT
if (!dtdl.ContainsKey("contents"))
{
throw new Exception("The DTDL model does not contain any 'contents' property.");
}
JArray contents = (JArray)dtdl["contents"];
//Look for telemetries (JSON)
JArray telemetries = ExtractTelemetries(contents);
if (telemetries != null && telemetries.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
result.DTDLGeneratedData.Telemetries = telemetries;
}
telemetries = ExtractTelemetriesWithUnit(contents);
if (telemetries != null && telemetries.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
if (result.DTDLGeneratedData.Telemetries == null)
{
result.DTDLGeneratedData.Telemetries = telemetries;
}
else
{
foreach (var item in telemetries)
{
result.DTDLGeneratedData.Telemetries.Add(item);
}
}
}
//Look for properties (JSON)
JArray readableProperties = ExtractReadableProperties(contents);
if (readableProperties != null && readableProperties.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
result.DTDLGeneratedData.ReadableProperties = readableProperties;
}
readableProperties = ExtractReadablePropertiesWithUnit(contents);
if (readableProperties != null && readableProperties.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
if (result.DTDLGeneratedData.ReadableProperties == null)
{
result.DTDLGeneratedData.ReadableProperties = readableProperties;
}
else
{
foreach (var item in readableProperties)
{
result.DTDLGeneratedData.ReadableProperties.Add(item);
}
}
}
JArray writableProperties = ExtractWritableProperties(contents);
if (writableProperties != null && writableProperties.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
result.DTDLGeneratedData.WritableProperties = writableProperties;
}
writableProperties = ExtractWritablePropertiesWithUnit(contents);
if (writableProperties != null && writableProperties.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
if (result.DTDLGeneratedData.WritableProperties == null)
{
result.DTDLGeneratedData.WritableProperties = writableProperties;
}
else
{
foreach (var item in writableProperties)
{
result.DTDLGeneratedData.WritableProperties.Add(item);
}
}
}
//Commands
JArray commands = ExtractCommands(contents);
if (commands != null && commands.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
result.DTDLGeneratedData.Commands = commands;
}
commands = ExtractCommandsWithSemantic(contents);
if (commands != null && commands.Any())
{
if (result.DTDLGeneratedData == null)
{
result.DTDLGeneratedData = new DTDLGeneratedData();
}
if (result.DTDLGeneratedData.Commands == null)
{
result.DTDLGeneratedData.Commands = commands;
}
else
{
foreach (var item in commands)
{
result.DTDLGeneratedData.Commands.Add(item);
}
}
}
return(result);
}
