public void DateTimeConstructor()
{
PartialDateTime.Parse("2012-03");
PartialDateTime.Parse("2012-03-04");
PartialDateTime.Parse("2012-03-04T12:34:34+02:00");
PartialDateTime.Parse("2012-03-04T12:34:34Z");
PartialDateTime pd;
Assert.True(PartialDateTime.TryParse("2012-03", out pd));
Assert.Equal(pd, PartialDateTime.Parse("2012-03"));
Assert.Equal("2012-03", pd.ToString());
Assert.False(PartialDateTime.TryParse("2012-03T12:34", out pd));
Assert.False(PartialDateTime.TryParse("20120304", out pd));
Assert.True(PartialDateTime.TryParse("2012-03-04T12:04:45", out pd)); //FHIR does not allow this, ISO8601 does.
Assert.True(PartialDateTime.TryParse("2012-03-04T12:04:45Z", out pd));
Assert.False(PartialDateTime.TryParse("T12:04:45Z", out pd));
Assert.False(PartialDateTime.TryParse("12:04:45Z", out pd));
Assert.True(PartialDateTime.Parse("2012-03-04") > PartialDateTime.Parse("2012-03-01"));
Assert.Equal(PartialDateTime.Today().ToString(), PartialDateTime.FromDateTime(DateTime.Today).ToString().Substring(0, 10));
Assert.Equal(PartialDateTime.Now().ToString().Substring(0, 19), PartialDateTime.FromDateTime(DateTimeOffset.Now).ToString().Substring(0, 19));
}
/// <summary>
/// FhirPath toDateTime() function.
/// </summary>
/// <param name="focus"></param>
/// <returns></returns>
public static PartialDateTime?ToDateTime(this ITypedElement focus)
{
var val = focus?.Value;
if (val == null)
{
return(null);
}
switch (val)
{
case PartialDateTime pdt:
return(pdt);
case string s:
return(convertString(s));
default:
return(null);
}
PartialDateTime?convertString(string si) =>
PartialDateTime.TryParse(si, out var result) ?
result : (PartialDateTime?)null;
}
private static object parseValue(string rep)
{
if (rep.ToLower() == "true")
{
return(true);
}
if (rep.ToLower() == "false")
{
return(false);
}
if (rep.Contains("-") || rep.Contains(":"))
{
PartialDateTime dt;
if (PartialDateTime.TryParse(rep, out dt))
{
return(dt);
}
}
if (rep.Contains("."))
{
try
{
return(XmlConvert.ToDecimal(rep));
}
catch
{
; // Fall through to next case
}
}
try
{
return(XmlConvert.ToInt64(rep));
}
catch
{
; // Fall through to next case
}
return(rep); // If all else fails, it's probably just a string
}