secure coding example

10xDeveloper.js

public class UCanHave10YearsExperienceCounted1x10_or_10x1
{
  public void Shit(string docNumber)
  {
    
    int documentNumber = 0;

    if (int.TryParse(docNumber, out documentNumber))
    {
      documentNumber = Convert.ToInt32(docNumber);
    }

    NowWeCallAMethodWitOurInt(documentNumber);
  }

  // this is called only ONCE
  public void NowWeCallAMethodWitOurInt(int i = 0)
  {
    AndNowAnotherCallWithIt(i);
  }

  public void AndNowAnotherCallWithIt(int i)
  {
    var data = ExpensiveCallToDatabase(i).FirstOrDefault();
    if (data != null)
    {
      //some coe here
    }

  }

  public List<object> ExpensiveCallToDatabase(int i)
  {
    return null;
  }
}