public async Task <Response> AddObservation(Observation observation)
{
try
{
#region Validation
if (string.IsNullOrWhiteSpace(observation.Color) ||
!new[] { "green", "red" }.Contains(observation.Color))
{
throw new ArgumentException("Invalid color. Acceptable values: 'green' or 'red'.",
nameof(observation.Color));
}
if (observation.Color.Equals("green") &&
(observation.Numbers.Any(str => str.Length != 7) || observation.Numbers.Any(str =>
str.Except(new[] { '0', '1' }).Any())))
{
throw new ArgumentException(ErrorMessage.InvalidNumberFormat, nameof(observation.Numbers));
}
var existingSequence = await UnitOfWork.SequenceRepository.Get(observation.SequenceId);
if (existingSequence == null)
{
throw new KeyNotFoundException(ErrorMessage.SequenceNotFound);
}
if (!existingSequence.Observations.Any() && observation.Color.Equals("red"))
{
throw new InvalidOperationException(ErrorMessage.NotEnoughData);
}
if (existingSequence.Observations.Any(ob => ob.Color.ToLower().Equals("red")))
{
throw new InvalidOperationException(ErrorMessage.RedObservationShouldBeLast);
}
if (observation.Color.Equals("green") &&
(observation.Numbers.Length != 2 || existingSequence.Observations.Any(ob =>
ob.Numbers.SequenceEqual(observation.Numbers))))
{
throw new ArgumentException(ErrorMessage.NoSolutionsFound);
}
#endregion
if (observation.Color.Equals("red"))
{
observation.Numbers = new[] { "1110111", "1110111" };
observation.ReadableValue = 0;
observation.PossibleReadableValues = new[] { 0 };
}
else
{
observation.ReadableValue = TruthTable.GetHumanReadableValue(observation.Numbers);
observation.PossibleReadableValues = TruthTable.GetPossibleNumbers(observation.Numbers).ToArray();
}
await UnitOfWork.ObservationRepository.Add(Mapper.Map <Data.Model.Observation>(observation));
foreach (var(number, display) in observation.Numbers.Select((num, i) => (num, i)))
{
var workingSections =
number.Select((c, section) => c == '1' ? section : -1).Where(index => index > -1);
await SetWorkingSections(display, workingSections, existingSequence);
}
await UnitOfWork.Save();
var missing = GetMissingSections(existingSequence.WorkingSections);
var possibleStart = GetPossibleStart(existingSequence.Observations);
if (possibleStart.Length == 0)
{
throw new InvalidOperationException(ErrorMessage.NoSolutionsFound);
}
existingSequence.PossibleStart = possibleStart;
existingSequence.Missing = missing;
UnitOfWork.SequenceRepository.Update(existingSequence);
await UnitOfWork.Save();
return(new Response
{
Missing = missing,
Start = existingSequence.PossibleStart
});
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}