public void Update(CalculationEntry item)
{
var exists = this.Get(item.Id) != null;
if (exists)
{
_dataContext.CalculationEntries.Update(item);
}
else
{
throw new InvalidOperationException("Невозможно обновить несуществующую запись!");
}
}
public CalculationEntry CalculateCameraParameters(DistanceToDevice distanceToDevice, DistanceToObject distanceToObject, CalculationMode calculation)
{
if (distanceToDevice is null)
{
throw new ArgumentException(nameof(distanceToDevice));
}
if (distanceToObject is null)
{
throw new ArgumentException(nameof(distanceToObject));
}
var aCathet = new Side(distanceToObject.Val, TriangleSideTypes.Cathet);
var bCathet = new Side(distanceToDevice.Val - Constant.AverageHumanHeight, TriangleSideTypes.Cathet);
var hypotenuse = new Side(GetHypotenusesLength(aCathet.Length, bCathet.Length), TriangleSideTypes.Hypotenuse);
var tangentAlpha = (double)bCathet.Length / (double)aCathet.Length;
var alphaDegrees = Math.Round(Math.Atan(tangentAlpha) * Constant.DegreesInRadian, 2);
var alphaAngle = new Angle(alphaDegrees);
var bAngle = new Angle(Constant.RightAngleDegrees);
var cAngle = new Angle(Constant.FullTriangleDegrees - bAngle.Degrees - alphaAngle.Degrees);
var calculationEntry = new CalculationEntry()
{
Height = distanceToDevice.Val,
AlfaAngle = alphaAngle.Degrees,
CreationDateTime = DateTime.Now,
DistanceAboveObject = bCathet.Length,
DistanceToObject = distanceToObject.Val
};
if (calculation == CalculationMode.WithSave)
{
Save(calculationEntry);
}
return(calculationEntry);
}
public void Create(CalculationEntry item)
{
_dataContext.CalculationEntries.Add(item);
}
private void Save(CalculationEntry entry)
{
this._repository.Create(entry);
this._repository.Save();
}
