feat: changing to new rest countries api

as returned by https://restcountries.com/v3.1/all

16-countries-page-from-api/src/main/scala/example/Country.scala

@@ -4,29 +4,45 @@ import upickle.default._
 import scala.jdk.CollectionConverters._
 
 final case class Country(
-  name: String,
-  alpha3Code: String,
-  nativeName: String = "",
-  population: Int,
-  region: String,
-  subregion: String,
-  flag: String,
-  capital: String = "",
-  topLevelDomain: Option[String], // maybe optional?
-  currencies: List[Currency] = List.empty,
-  languages: List[Language],
-  borders: List[String] = List.empty,
+    name: Name,
+    cca3: String,
+    population: Int,
+    region: String,
+    subregion: String = "",
+    flags: Flags,
+    capital: List[String] = List.empty,
+    tld: Option[String] = None, // maybe optional?
+    currencies: Map[String, Currency] = Map.empty,
+    languages: Map[String, String] = Map.empty,
+    borders: List[String] = List.empty
 ) derives ReadWriter {
-  def currenciesView = currencies.map(_.name).asJava
-  def languagesView = languages.map(_.name).asJava
+  def currenciesView = currencies.values.map(_.name).toList.asJava
+  def languagesView = languages.values.toList.asJava
+  def nameView = name.common
+  def capitalView = capital.headOption.getOrElse("")
+  def nativeName = name.nativeName.headOption.map(_._2.common).getOrElse("")
+  def topLevelDomain = tld
+  def alpha3Code = cca3
+  def flag = flags.svg
+}
+
+final case class Name(
+    common: String,
+    nativeName: Map[String, Name.Native] = Map.empty
+) derives ReadWriter
+object Name {
+  final case class Native(
+      common: String
+  ) derives ReadWriter
 }
 
 final case class Currency(
-  code: String,
-  name: String
+    name: String,
+    symbol: String = ""
 ) derives ReadWriter
 
-final case class Language(
-  name: String,
-  nativeName: String = ""
+final case class Flags(
+    png: String,
+    svg: String,
+    alt: String = ""
 ) derives ReadWriter

16-countries-page-from-api/src/main/scala/example/Main.scala

@@ -27,7 +27,7 @@ object MinimalApplication extends cask.Routes{
 
   def loadCountries() = {
     val countries: List[Country] = upickle.default.read[List[Country]](
-      scala.io.Source.fromResource("temporary/data.json").getLines().mkString,
+      scala.io.Source.fromResource("temporary/all.json").getLines().mkString,
       true
     )
     countries

16-countries-page-from-api/src/main/scala/example/Routes.scala

@@ -106,12 +106,12 @@ case class Routes(countries: List[Country])(implicit
   @cask.get("/country")
   def getCountryPage(countryName: String) = {
     val context = new Context()
-    countries.find(_.name == countryName) match {
+    countries.find(_.name.common == countryName) match {
       case Some(selectedCountry) =>
         context.setVariable("country", selectedCountry)
         val borderCountries = countries
           .filter(c => selectedCountry.borders.contains(c.alpha3Code))
-          .map(_.name)
+          .map(_.name.common)
           .sortBy(_.length())
           .asJava