/// <summary>
/// Calls the API with predefined input values.
/// To change the value string values should be amended.
///
/// The action method to be changed to accept the input values from User
/// </summary>
/// <returns></returns>
public ActionResult Index()
{
string strObject1 = "";
//Values below to be changed to change the input parameters to the API call
//The section to be changed to accept the input values from User
string curBase = "USD";
string curTarget = "INR";
string startDt = "2018-09-01";
string endDt = "2018-09-30";
ExchangeRate exRmodel = null;
ExchangeRateBL exRBL = new ExchangeRateBL();
//Below is to test or develop in the absence of internet or api service.
//strObject1 = "{\"end_at\":\"2018-11-10\",\"start_at\":\"2018-11-01\",\"rates\":{\"2018-11-08\":{\"INR\":72.4085259104},\"2018-11-01\":{\"INR\":73.4486087949},\"2018-11-05\":{\"INR\":73.0800351803},\"2018-11-02\":{\"INR\":72.4432863274},\"2018-11-09\":{\"INR\":72.5048475234},\"2018-11-06\":{\"INR\":72.9598354918},\"2018-11-07\":{\"INR\":72.499347088}},\"base\":\"USD\"}";
//Call Api passing necessary parameters
strObject1 = exRBL.CallMyApi(startDt, endDt, curBase, curTarget);
exRmodel = JsonConvert.DeserializeObject <ExchangeRate>(strObject1);
//This returns the class(with ave value etc.) expected processing the JSON returned by API
ExRateOutPut exRateResult = exRBL.ParseExRateJson(strObject1, curBase, curTarget);
exRBL = null;
return(View(exRateResult));
}
public ExRateOutPut ParseExRateJson(string strIn, string curbase, string curtarget)
{
int count = 0;
decimal sumRate = 0;
decimal aveRate = 0;
dynamic rate1 = null;
dynamic value1 = null;
dynamic min1 = 0;
dynamic max1 = 0;
dynamic data = JObject.Parse(strIn);
string str1 = data.start_at.ToString();
dynamic data1 = data.rates;
foreach (var kvp in data1)
{
rate1 = kvp.Value;
foreach (var key in rate1)
{
value1 = key.Value;
if (count == 0)
{
min1 = value1;
max1 = value1;
}
sumRate += (decimal)value1;
min1 = value1 < min1 ? value1 : min1;
max1 = value1 > max1 ? value1 : max1;
count++;
}
}
aveRate = sumRate / count;
ExRateOutPut ExRateOP1 = new ExRateOutPut();
ExRateOP1.Minimum = min1;
ExRateOP1.Maximum = max1;
ExRateOP1.Average = aveRate;
ExRateOP1.BaseCurrency = curbase;
ExRateOP1.TargetCurrency = curtarget;
return(ExRateOP1);
}
