public override bool IsValid()
{
return((StartIsolation.CompareTo(ExtNodatime.InstantError) != 0) && (StartSymptoms?.CompareTo(ExtNodatime.InstantError) ?? 1) != 0);
}
public string ValidateStartSymptoms(string startSymptomsLocal)
{
string rc = null;
StartSymptoms = ExtNodatime.InstantError;
if (string.IsNullOrEmpty(TzDbName) || (string.IsNullOrEmpty(CultureTag)))
{
rc = $"{ProgramErrorMsg} 220. Please report this problem.";
}
else
{
try
{
DateTimeZone zone = DateTimeZoneProviders.Tzdb[TzDbName];
if (string.IsNullOrEmpty(startSymptomsLocal))
{
StartSymptoms = null; //Ok, as value is optional
}
else
{
if (startSymptomsLocal.ParseDateTime(zone, CultureTag, WithoutDaylightSavings, MxCultureInfo.FormatType.DateTime, false, out var symptoms) == false)
{
rc = $"Please try again with a valid date/time like {SampleDateTime}";
}
else
{
var span = NowInstance - symptoms;
if (span.TotalSeconds < 0)
{
rc = $"This value is after the current time. Please try again with a value before {NowInstance.ToString(CultureTag, zone)}";
}
else
{
if (StartIsolation.IsError())
{
rc = $"You must set the start of your self-isolation before giving the start of your symptoms";
}
else
{
span = symptoms - StartIsolation;
if (span.TotalSeconds < 0)
{
rc = $"This value is before the start of your self-isolation. If your symptoms started before you entered self-isolation then enter {StartIsolation.ToString(CultureTag, zone)}";
}
else
{
StartSymptoms = symptoms;
}
}
}
}
}
}
catch (Exception e)
{
rc = $"{ProgramErrorMsg} 221. {e.Message}";
}
}
return(rc);
}
