private static void GetAllCountries(string filePath)
{
CsvReader reader = new CsvReader(filePath);
List <Country> countries = reader.ReadAllCountriesToList();
// This is an example code that inserts and then immediately removes the country Lilliput, for studying purposes.
Country lilliput = new Country("Lilliput", "LIL", "Somewhere", 2_000_000);
int lilliputIndex = countries.FindIndex(x => x.Population < 2_000_000);
countries.Insert(lilliputIndex, lilliput);
countries.RemoveAt(lilliputIndex);
//
int maxToDisplay = AskForMaxToDisplay();
for (int i = 0; i < countries.Count; i++)
{
if (i > 0 && (i % maxToDisplay == 0))
{
Console.WriteLine("Hit return to continue, or anything else to quit");
if (Console.ReadLine() != "")
{
break;
}
}
Country country = countries[i];
Console.WriteLine($"{i + 1}: {PopulationFormatter.FormatPopulation(country.Population).PadLeft(15)}: {country.Name}");
}
}
private static void GetFirstNCountries(string filePath)
{
CsvReader reader = new CsvReader(filePath);
Country[] countries = reader.ReadFirstNCountries();
foreach (Country country in countries)
{
Console.WriteLine($"{PopulationFormatter.FormatPopulation(country.Population).PadLeft(15)}: {country.Name}");
}
}
private static void GetCountryByCode(string filePath)
{
CsvReader reader = new CsvReader(filePath);
Dictionary <string, Country> countries = reader.ReadAllCountriesToDictionary();
Console.WriteLine("Which country code do you want to look up? ");
string userInput = Console.ReadLine();
bool gotCountry = countries.TryGetValue(userInput.ToUpper(), out Country country);
if (!gotCountry)
{
Console.WriteLine($"Sorry, couldn't find country with code {userInput}");
}
else
{
Console.WriteLine($"{country.Name} has population {PopulationFormatter.FormatPopulation(country.Population)}");
}
}
private static void GetAllCountriesInReverseOrder(string filePath)
{
CsvReader reader = new CsvReader(filePath);
List <Country> countries = reader.ReadAllCountriesToList();
int maxToDisplay = AskForMaxToDisplay();
for (int i = countries.Count - 1; i >= 0; i--)
{
int displayIndex = countries.Count - 1 - i;
if (displayIndex > 0 && (displayIndex % maxToDisplay == 0))
{
Console.WriteLine("Hit return to continue, or anything else to quit");
if (Console.ReadLine() != "")
{
break;
}
}
Country country = countries[i];
Console.WriteLine($"{displayIndex + 1}: {PopulationFormatter.FormatPopulation(country.Population).PadLeft(15)}: {country.Name}");
}
}