/// <summary>
/// Indicates whether the <see cref="DbDiagnostic"/> differs from the <see cref="Diagnostic"/>, thereby requiring the <see cref="DbDiagnostic"/> to be updated in the database.
/// </summary>
/// <param name="dbDiagnostic">The <see cref="DbDiagnostic"/> to be evaluated.</param>
/// <param name="diagnostic">The <see cref="Diagnostic"/> to compare against.</param>
/// <returns></returns>
public static bool DbDiagnosticRequiresUpdate(DbDiagnostic dbDiagnostic, Diagnostic diagnostic)
{
if (dbDiagnostic.GeotabId != diagnostic.Id.ToString())
{
throw new ArgumentException($"Cannot compare Diagnostic '{diagnostic.Id}' with DbDiagnostic '{dbDiagnostic.GeotabId}' because the IDs do not match.");
}
Source diagnosticSource = diagnostic.Source;
UnitOfMeasure diagnosticUnitOfMeasure = diagnostic.UnitOfMeasure;
if (dbDiagnostic.DiagnosticCode != diagnostic.Code || dbDiagnostic.DiagnosticName != diagnostic.Name || dbDiagnostic.DiagnosticSourceId != diagnosticSource.Id.ToString() || dbDiagnostic.DiagnosticSourceName != diagnosticSource.Name || dbDiagnostic.DiagnosticUnitOfMeasureId != diagnosticUnitOfMeasure.Id.ToString() || dbDiagnostic.DiagnosticUnitOfMeasureName != diagnosticUnitOfMeasure.Name)
{
return(true);
}
return(false);
}
/// <summary>
/// Converts the supplied <see cref="Diagnostic"/> into a <see cref="DbDiagnostic"/>.
/// </summary>
/// <param name="diagnostic">The <see cref="Diagnostic"/> to be converted.</param>
/// <returns></returns>
public static DbDiagnostic GetDbDiagnostic(Diagnostic diagnostic)
{
Source diagnosticSource = diagnostic.Source;
UnitOfMeasure diagnosticUnitOfMeasure = diagnostic.UnitOfMeasure;
Controller diagnosticController = diagnostic.Controller;
DbDiagnostic dbDiagnostic = new DbDiagnostic
{
DiagnosticCode = diagnostic.Code,
DiagnosticName = diagnostic.Name,
DiagnosticSourceId = diagnosticSource.Id.ToString(),
DiagnosticSourceName = diagnosticSource.Name,
DiagnosticUnitOfMeasureId = diagnosticUnitOfMeasure.Id.ToString(),
DiagnosticUnitOfMeasureName = diagnosticUnitOfMeasure.Name,
GeotabId = diagnostic.Id.ToString()
};
if (diagnosticController != null)
{
dbDiagnostic.ControllerId = diagnosticController.Id.ToString();
// Derive the OBD-II Diagnostic Trouble Code (DTC), if applicable.
if (dbDiagnostic.DiagnosticSourceId == KnownId.SourceObdId.ToString() || dbDiagnostic.DiagnosticSourceId == KnownId.SourceObdSaId.ToString())
{
int diagnosticCode;
if (diagnostic.Code != null)
{
diagnosticCode = (int)diagnostic.Code;
string dtcPrefix = "";
switch (diagnosticController.Id.ToString())
{
case nameof(KnownId.ControllerObdPowertrainId):
dtcPrefix = Globals.OBD2DTCPrefixPowertrain;
break;
case nameof(KnownId.ControllerObdWwhPowertrainId):
dtcPrefix = Globals.OBD2DTCPrefixPowertrain;
break;
case nameof(KnownId.ControllerObdBodyId):
dtcPrefix = Globals.OBD2DTCPrefixBody;
break;
case nameof(KnownId.ControllerObdWwhBodyId):
dtcPrefix = Globals.OBD2DTCPrefixBody;
break;
case nameof(KnownId.ControllerObdChassisId):
dtcPrefix = Globals.OBD2DTCPrefixChassis;
break;
case nameof(KnownId.ControllerObdWwhChassisId):
dtcPrefix = Globals.OBD2DTCPrefixChassis;
break;
case nameof(KnownId.ControllerObdNetworkingId):
dtcPrefix = Globals.OBD2DTCPrefixNetworking;
break;
case nameof(KnownId.ControllerObdWwhNetworkingId):
dtcPrefix = Globals.OBD2DTCPrefixNetworking;
break;
default:
break;
}
if (dtcPrefix.Length > 0)
{
string dtc = Convert.ToString(diagnosticCode, 16).PadLeft(4, '0');
dbDiagnostic.OBD2DTC = $"{dtcPrefix}{dtc.ToUpper()}";
}
}
}
}
return(dbDiagnostic);
}