public decimal Calculate(CalculatorInputModel input)
{
var result = (decimal)input.MonthlyFee;
//Add Sms Price
result += CalculateSmsPrice(input.NumOfSentSms) * input.NumOfSentSms;
//Add Mms Price
result += CalculateMmsPrice(input.NumOfSentMms) * input.NumOfSentMms;
result += input.NotIncludedMinutesToA1 * 0.03m;
result += input.NotIncludedMinutesToTelenor * 0.09m;
result += input.NotIncludedMinutesToVivacom * 0.09m;
result += input.RoumingMinutes * 0.15m;
result += (decimal)input.NotIncludedUsedMbInCountry * 0.02m;
result += (decimal)input.NotIncludedUsedMbInEu * 0.05m;
result += (decimal)input.IncludedUsedMbOutOfEu * 0.20m;
result += (decimal)input.OtherTaxes;
result -= (decimal)input.Discount;
return(result);
}
public IActionResult Calculator(CalculatorInputModel input)
{
if (!this.ModelState.IsValid)
{
return(this.View(input));
}
return(this.View());
}
/// <summary>
/// Loads the registered Calculator Types from passsed Assembly
/// </summary>
/// <param name="assembly"></param>
/// <param name="input"></param>
/// <returns></returns>
private double LoadCalculator(Assembly assembly, CalculatorInputModel input)
{
Type type = assembly.GetType("CSharpCalculatorPlugin.Calculator");
Type loadedType = type;
if (loadedType != null)
{
dynamic calcInstance = Activator.CreateInstance(loadedType);
//Load the calculator plugin, pass the required parameters and return the result
var result = calcInstance.Calculate(input.Operation, input.FirstNumber, input.SecondNumber);
_logger.LogInfo("Loging calculation result for operation " + input.Operation.ToString() + " " + result);
return(result);
}
return(0.0);
}
/// <summary>
/// Excecute the Calculator Plugin
/// </summary>
/// <param name="path">Specifies Plugin location</param>
/// <param name="input"></param>
/// <returns></returns>
public double ExecuteCalculator(string path, CalculatorInputModel input)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentException($"'{nameof(path)}' cannot be null or empty.", nameof(path));
}
Assembly pluginAssembly = _pluginLoader.LoadPlugin(path);
double result = 0.0;
if (!String.IsNullOrEmpty(pluginAssembly.FullName))
{
result = LoadCalculator(pluginAssembly, input);
}
return(result);
}
public IActionResult CalculatorResult(CalculatorInputModel model)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
// Load commands from plugins.
string[] pluginPaths = new string[]
{
// Paths to plugins to load.
@"Plugins\CSharpCalculatorPlugin\bin\Debug\net5.0\CSharpCalculatorPlugin.dll"
};
var result = _calculator.ExecuteCalculator(pluginPaths[0], model);
return(Ok(result));
}
