public override IContentTemplate Create(TemplateContainer jsonTemplate)
{
EnsureArg.IsNotNull(jsonTemplate, nameof(jsonTemplate));
if (!jsonTemplate.MatchTemplateName(TargetTypeName))
{
return(null);
}
if (jsonTemplate.Template?.Type != JTokenType.Object)
{
throw new InvalidTemplateException($"Expected an object for the template property value for template type {TargetTypeName}.");
}
var calculatedFunctionTemplate = jsonTemplate.Template.ToValidTemplate <CalculatedFunctionContentTemplate>();
calculatedFunctionTemplate.EnsureExpressionLanguageIsSet();
var measurementExtractor = new MeasurementExtractor(calculatedFunctionTemplate, CreateExpressionEvaluatorFactory(calculatedFunctionTemplate));
return(measurementExtractor);
}
private void PerformEvaluation(CalculatedFunctionContentTemplate template)
{
var time = DateTime.UtcNow;
var token = JToken.FromObject(new
{
heartrate = "60",
device = "abc",
date = time,
session = "abcdefg",
patient = "patient123",
});
var measurementExtractor = new MeasurementExtractor(template, new TemplateExpressionEvaluatorFactory());
var result = measurementExtractor.GetMeasurements(token).ToArray();
Assert.NotNull(result);
Assert.Collection(result, m =>
{
Assert.Equal("heartrate", m.Type);
Assert.Equal(time, m.OccurrenceTimeUtc);
Assert.Equal("abc", m.DeviceId);
Assert.Equal("patient123", m.PatientId);
Assert.Equal("abcdefg", m.CorrelationId);
Assert.Null(m.EncounterId);
Assert.Collection(
m.Properties,
p =>
{
Assert.Equal("hr", p.Name);
Assert.Equal("60", p.Value);
},
p =>
{
Assert.Equal("pie", p.Name);
Assert.Equal("patient123", p.Value);
});
});
}