public void GapsBetweenSegmentsAreFilledUp()
{
// Arrange
var constraints = new ConstraintsCollection(
new VelocityConstraint(0, 1000, 500),
new VelocityConstraint(1000, 1000, 400),
new VelocityConstraint(2500, 1000, 200)); // start 500mm after end of last segment (2000)
// Act
var effectiveSegments = constraints.GetEffectiveConstraints();
// Assert
Assert.Equal(3, effectiveSegments.Count);
Assert.Equal(0, effectiveSegments[0].Start, _delta);
Assert.Equal(1000, effectiveSegments[0].Length, _delta);
Assert.Equal(500, effectiveSegments[0].MaximumVelocity, _delta);
Assert.Equal(1000, effectiveSegments[1].Start, _delta);
Assert.Equal(1500, effectiveSegments[1].Length, _delta); // length is filled up! original length of second segment was 1000
Assert.Equal(400, effectiveSegments[1].MaximumVelocity, _delta);
Assert.Equal(2500, effectiveSegments[2].Start, _delta);
Assert.Equal(1000, effectiveSegments[2].Length, _delta);
Assert.Equal(200, effectiveSegments[2].MaximumVelocity, _delta);
}
public void GetEffectiveSegmentsWorks()
{
// Arrange
var constraints = new ConstraintsCollection(
new VelocityConstraint(0, 1000, 500),
new VelocityConstraint(1000, 1000, 400),
new VelocityConstraint(500, 1000, 200));
// Act
var effectiveSegments = constraints.GetEffectiveConstraints();
// Assert
Assert.Equal(3, effectiveSegments.Count);
Assert.Equal(0, effectiveSegments[0].Start, _delta);
Assert.Equal(500, effectiveSegments[0].Length, _delta);
Assert.Equal(500, effectiveSegments[0].MaximumVelocity, _delta);
Assert.Equal(500, effectiveSegments[1].Start, _delta);
Assert.Equal(1000, effectiveSegments[1].Length, _delta);
Assert.Equal(200, effectiveSegments[1].MaximumVelocity, _delta);
Assert.Equal(1500, effectiveSegments[2].Start, _delta);
Assert.Equal(500, effectiveSegments[2].Length, _delta);
Assert.Equal(400, effectiveSegments[2].MaximumVelocity, _delta);
}
public IActionResult GenerateTimetables(AlgorithmInputsViewModel model)
{
if (ModelState.IsValid)
{
var scheduler = new Scheduler();
var selectedCourses = new List <Course>();
if (model.Ids == null)
{
return(Content(string.Empty));
}
foreach (var id in model.Ids)
{
var course = coursesDataService.Get(id);
selectedCourses.Add(course);
}
var constraints = new ConstraintsCollection
{
new MinimumFreeDaysConstraint(model.FreeDays),
new ClashesConstraint(model.Clashes),
new MaxGapBetweenClassesConstraint(model.MaxGap)
};
var solutions = scheduler.SolveSssp(selectedCourses, constraints);
var response = solutions
.Select(s => s.ExportToJson())
.ToArray();
return(Json(response));
// ReDirect To a HttpGet Action After a successful post operation.
//return RedirectToAction(nameof(CourseDetails), new { courseId });
}
return(null);
// else, return the form with user previous entered values
//return View(model);
}
protected void WriteConstraints(ConstraintsCollection constraints, bool isAdding = false)
{
var uniq = GetUniqueKeyWriter();
if (ColonBeforeConstraints)
{
Builder.AppendLine(",");
}
if (constraints.PrimaryKey != null && !constraints.PrimaryKey.Ignore)
{
uniq.Write(constraints.PrimaryKey);
Builder.AppendLine(",");
if (isAdding)
{
Builder.AppendFormat(" {0} ", GetAddConstraintPrefix());
}
}
if (constraints.Uniques.Count > 0)
{
foreach (var uc in constraints.Uniques)
{
uniq.Write(uc);
Builder.AppendLine(",");
if (isAdding)
{
Builder.AppendFormat(" {0} ", GetAddConstraintPrefix());
}
}
}
if (constraints.ForeignKeys.Count > 0)
{
var w = GetForeignKeyWriter();
foreach (var key in constraints.ForeignKeys)
{
w.Write(key);
Builder.AppendLine(",");
if (isAdding)
{
Builder.AppendFormat(" {0} ", GetAddConstraintPrefix());
}
}
}
if (constraints.Checks.Count > 0)
{
var chkWriter = GetCheckWriter();
foreach (var ch in constraints.Checks)
{
chkWriter.Write(ch);
Builder.AppendLine(",");
if (isAdding)
{
Builder.AppendFormat(" {0} ", GetAddConstraintPrefix());
}
}
}
if (isAdding)
{
Builder.RemoveLastIfEquals(" " + GetAddConstraintPrefix() + " ");
}
var custom = constraints.GetSpecificConstraints(_engine);
if (!custom.IsNullOrEmpty())
{
foreach (var ch in custom)
{
Builder.AppendLine().Append(ch).AppendLine(",");
}
}
Builder.RemoveLastIfEquals("," + Environment.NewLine);
}
