public void TestCircleValue()
{
FiguresFactory factory = new FiguresFactory();
IFigure figure = factory.GetFigure("circle");
var jparams = JToken.Parse(@"{ 'radius': 10 }");
figure.SetParamsFromJson(jparams);
decimal expected = 314.15926535897900m;
decimal area = figure.CalculateArea();
Assert.Equal(expected, area, 25);
}
public void TestTriangleValue()
{
FiguresFactory factory = new FiguresFactory();
IFigure figure = factory.GetFigure("triangle");
var jparams = JToken.Parse(@"{ 'a': 10, 'b': 10, 'c': 10 }");
figure.SetParamsFromJson(jparams);
decimal expected = 43.30127018922193233818615854m;
decimal area = figure.CalculateArea();
Assert.Equal(expected, area, 25);
}
static void Main(string[] args)
{
System.Console.WriteLine("Hello! It's batch calculator.");
if (args.Length != 1)
{
System.Console.WriteLine("Usage: Program.exe <input json file>");
return;
}
decimal totalArea = 0m;
FiguresFactory figuresFactory = new FiguresFactory();
using (StreamReader file = File.OpenText(args[0]))
{
JsonTextReader reader = new JsonTextReader(file);
var jtoken = JToken.Load(reader);
if (jtoken.Type != JTokenType.Array)
{
System.Console.WriteLine("Error! File must contain json array");
return;
}
var jarray = (JArray)jtoken;
foreach (JToken jtokenFigure in jarray)
{
if (jtokenFigure.Type != JTokenType.Object)
{
System.Console.WriteLine("Error! Each element of array must contain object");
}
var jfigure = (JObject)jtokenFigure;
string figureName = jfigure.Value<string>("figure");
if (figureName == null)
{
System.Console.WriteLine("Error! Figure object must contain figure key");
return;
}
IFigure figure = figuresFactory.GetFigure(figureName);
if (figure == null)
{
System.Console.WriteLine("Error! Unknown figure");
return;
}
var jtokenParams = jfigure["params"];
figure.SetParamsFromJson(jtokenParams);
System.Console.WriteLine(figure.ToString());
decimal area = figure.CalculateArea();
System.Console.WriteLine("Area = " + area);
System.Console.WriteLine();
totalArea += area;
}
}
System.Console.WriteLine("TotalArea = " + totalArea);
}
public IActionResult CalculateArea([FromBody] JToken jsonData)
{
if (jsonData.Type != JTokenType.Object)
{
return(BadRequest(new
{
error = "Figure must be object"
}));
}
var jfigure = (JObject)jsonData;
string figureName = jfigure.Value <string>("figure");
if (figureName == null)
{
return(BadRequest(new
{
error = "Figure object must contain figure key"
}));
}
FiguresFactory figuresFactory = new FiguresFactory();
IFigure figure = figuresFactory.GetFigure(figureName);
if (figure == null)
{
return(BadRequest(new
{
error = "Unknown figure type"
}));
}
var jtokenParams = jfigure["params"];
try
{
figure.SetParamsFromJson(jtokenParams);
}
catch
{
return(BadRequest(new
{
error = "Invalid figure arguments"
}));
}
decimal area = 0m;
try
{
area = figure.CalculateArea();
}
catch (System.ArgumentException)
{
return(BadRequest(new
{
error = "Invalid figure arguments"
}));
}
catch (System.OverflowException)
{
return(BadRequest(new
{
error = "Overflow caused during calculation. Arguments is too big"
}));
}
return(Ok(new { area = area }));
}