public static DataAccess.Weather DetermineDayWether(Point sun, Point planetOne, Point planetTwo, Point planetThree)
{
// Determine if planets are in line
var planetsInLine = GeometricsService.PointsAreInLine(planetOne, planetTwo, planetThree);
if (planetsInLine.PointsAreInLine)
{
// If the sun is in line of the planets, there will be a drought
if (planetsInLine.LineCrossPointZero)
{
return(DataAccess.Weather.Drought);
}
// If planets are in line, the weather in the system is optimal
return(DataAccess.Weather.Optimal);
}
// If the sun is inside the planets triangle, it will be a rainy day
if (GeometricsService.PointIsInsideTriangle(sun, planetOne, planetTwo, planetThree))
{
return(DataAccess.Weather.Rain);
}
return(DataAccess.Weather.Incorrect);
}
public async Task <bool> LoadWeatherForecastPrevisions(int years)
{
var now = DateTime.Now;
var lastDate = now.AddYears(years);
var timeSpan = lastDate.Subtract(now);
var totalDays = Math.Floor(timeSpan.TotalDays);
int dayOfMaximumTrianglePerimeter = 0;
double maximumTrianglePerimeter = 0;
Point sun = new Point {
X = 0, Y = 0
};
ConcurrentBag <DayWeatherForecast> planetDayWeatherForecasts = new ConcurrentBag <DayWeatherForecast>();
ConcurrentBag <DayPlanetsPositions> planetDayPositions = new ConcurrentBag <DayPlanetsPositions>();
List <Task> weatherForecastTasks = new List <Task>();
Parallel.For(1, Convert.ToInt32(totalDays + 1), (i) =>
{
double ferengiAngle = i;
var ferengiPosition = GeometricsService.GetPointInCircleCoordinates(500, ferengiAngle);
double betasoideAngle = 3 * i;
var betasoidePosition = GeometricsService.GetPointInCircleCoordinates(2000, betasoideAngle);
double vulcanoAngle = -5 * i;
var vulcanoPosition = GeometricsService.GetPointInCircleCoordinates(1000, vulcanoAngle);
var date = now.AddDays(i);
var isLine = GeometricsService.PointsAreInLine(ferengiPosition, betasoidePosition, vulcanoPosition);
var sunIsInsideTriangle = GeometricsService.PointIsInsideTriangle(sun, ferengiPosition, betasoidePosition, vulcanoPosition);
planetDayPositions.Add(new DayPlanetsPositions
{
Day = i,
Date = date,
Ferengi = new DataAccess.Point {
X = ferengiPosition.X, Y = ferengiPosition.Y
},
Betasoide = new DataAccess.Point {
X = betasoidePosition.X, Y = betasoidePosition.Y
},
Vulcano = new DataAccess.Point {
X = vulcanoPosition.X, Y = vulcanoPosition.Y
},
IsLine = isLine.PointsAreInLine,
SunIsInLine = isLine.LineCrossPointZero,
SunIsInsideTriangle = sunIsInsideTriangle
});
planetDayWeatherForecasts.Add(new DayWeatherForecast
{
Date = date.Date,
Day = i,
Weather = WeatherForecastService.DetermineDayWether(sun, ferengiPosition, betasoidePosition, vulcanoPosition)
});
var trianglePerimeter = GeometricsService.CalculateTrianglePerimeter(ferengiPosition, betasoidePosition, vulcanoPosition);
if (trianglePerimeter > maximumTrianglePerimeter)
{
maximumTrianglePerimeter = trianglePerimeter;
dayOfMaximumTrianglePerimeter = i;
}
});
var rainPeakDay = planetDayWeatherForecasts.Single(forecast => forecast.Day == dayOfMaximumTrianglePerimeter);
rainPeakDay.IsMaxTrianglePerimeter = true;
await dayWeatherForecastRepository.DeleteAllDocumentsFromCollection();
await dayWeatherForecastRepository.InsertMany(planetDayWeatherForecasts.OrderBy(p => p.Date));
return(true);
}