public IActionResult SimpleComparison([FromBody] ComparisonRequest request)
{
try
{
//var matches = new Dictionary<string, IList<Match>>();
var matches = new List <MatchResult>();
var submissions = request.Submissions.Select(
s => new StudentSequence()
{
FirstName = s.FirstName,
LastName = s.LastName,
TokenSequence = CreateCombinedSequence(s)
}).ToList();
// compare every submission with every other submission
foreach (var curSequence in submissions)
{
foreach (var otherSequence in submissions)
{
var tmpResult = new MatchResult(
new Student(curSequence.FirstName, curSequence.LastName),
new Student(otherSequence.FirstName, otherSequence.LastName));
if (curSequence == otherSequence)
{
continue;
}
var match = GstComparator.Compare <int>(curSequence.TokenSequence, otherSequence.TokenSequence, 9)
.OrderBy(m => m.PatternIndex)
.ToList();
tmpResult.Matches = match;
if (match != null && match.Count > 0)
{
matches.Add(tmpResult);
}
//matches.Add($"{curSequence.Name} - {otherSequence.Name}", match);
curSequence.TokenSequence.Reset();
otherSequence.TokenSequence.Reset();
}
}
return(new ObjectResult(matches));
}
catch (Exception)
{
return(new BadRequestObjectResult("Invalid request format"));
}
}
public void BasicGstTest()
{
var s1 = new Sequence <int>(
new List <Token <int> >()
{
new Token <int>(1),
new Token <int>(2),
new Token <int>(3),
new Token <int>(4),
new Token <int>(5),
new Token <int>(6),
new Token <int>(7),
new Token <int>(8),
new Token <int>(9),
new Token <int>(10),
new Token <int>(11),
new Token <int>(12),
});
var s2 = new Sequence <int>(
new List <Token <int> >()
{
new Token <int>(1),
new Token <int>(2),
new Token <int>(3),
new Token <int>(1),
new Token <int>(2),
new Token <int>(3),
new Token <int>(8),
new Token <int>(9),
new Token <int>(4),
new Token <int>(5),
new Token <int>(6),
new Token <int>(7),
});
var result = GstComparator.Compare(s1, s2, 3);
Assert.AreEqual(2, result.Count);
// First match 4,5,6,7 from pattern pos 3 and text pos 8
Assert.AreEqual(3, result[0].PatternIndex);
Assert.AreEqual(8, result[0].TextIndex);
Assert.AreEqual(4, result[0].Length);
// Second match 1,2,3 from pattern pos 0 and text pos 0
Assert.AreEqual(0, result[1].PatternIndex);
Assert.AreEqual(0, result[1].TextIndex);
Assert.AreEqual(3, result[1].Length);
}
