private void OnDeleteClicked(object sender, EventArgs e)
{
using (CalculationDbContext db = new CalculationDbContext())
{
foreach (var item in View.SelectedItems)
{
db.DeleteBundle(item.Id);
}
db.SaveChanges();
}
FillData();
}
public void Solve(string name, PulsationAlphaData data)
{
using (CalculationDbContext context = new CalculationDbContext())
{
var bundle = context.GetBundle(data.GroupId);
int NPeriod = bundle.PeriodN();
var grid = bundle.GetGrid();
var alphaGroup = new Bundle("Нахождение коэффициентов alpha", data);
int Nt = bundle.GetCount();
context.SaveChanges();
try
{
IIntegrator integrator = new SimpsonIntegrator();
var lastPeriodLayers = bundle.GetArrays(Nt - NPeriod, NPeriod);
int number = 0;
for (int deg = 2; deg <= 3; deg++)
{
double[] alphaValues = new double[NPeriod];
for (int i = 0; i < NPeriod; i++)
{
alphaValues[i] = CalculateAlpha(integrator, deg, lastPeriodLayers[i], grid.Values, grid.h, NPeriod);
}
alphaGroup.AddArray(string.Format("alpha{0}", number + 1), number, alphaValues);
number++;
}
OnSolved(true);
}
catch (Exception exception)
{
OnSolved(false, exception);
}
}
}
public void SaveChanges()
{
_dbContext.SaveChanges();
}
public IActionResult Submit(PageData page, string action)
{
if (action == "Evaluate")
{
var calculation = new StringCalc();
var note = new History
{
Expression = page.Expression
};
note.Result = calculation.DoCalculation(note.Expression).ToString();
note.Host = Request.Host.ToString();
note.CreatedDateTime = DateTime.Now;
_context.Histories.Add(note);
_context.SaveChanges();
page.PageNumber = 0;
}
var notes = _context.Histories.ToList();
if (action == "Search")
{
page.PreviousSearchExpression = page.NewSearchExpression;
page.PreviousSearchHost = page.NewSearchHost;
notes = SortedByDate(DoFilter(notes, page), page);
page.Histories = notes;
page.PageNumber = 0;
GetAnswerFilter(page);
return(View("Index", page));
}
if (action == "Previous")
{
if (page.PageNumber <= 0)
{
page.PageNumber = 0;
page.Histories = SortedByDate(DoFilter(notes, page).ToList(), page);;
GetAnswerFilter(page);
return(View("Index", page));
}
else
{
--page.PageNumber;
page.Histories = SortedByDate(DoFilter(notes, page).ToList(), page);;
GetAnswerFilter(page);
return(View("Index", page));
}
}
if (action == "Next")
{
if (page.PageNumber >= page.TotalPages)
{
page.PageNumber = page.TotalPages;
page.Histories = SortedByDate(DoFilter(notes, page).ToList(), page);
GetAnswerFilter(page);
return(View("Index", page));
}
else
{
++page.PageNumber;
page.Histories = SortedByDate(DoFilter(notes, page).ToList(), page);
GetAnswerFilter(page);
return(View("Index", page));
}
}
page.Histories = SortedByDate(DoFilter(notes, page).ToList(), page);
return(View("Index", page));
}