Issue #18, #19 resolved

Added pagination and sorting to the /api/pokemon endpoint

src/main/java/nl/utwente/mod4/pokemon/routes/PokemonRoute.java

@@ -3,25 +3,34 @@ package nl.utwente.mod4.pokemon.routes;
 import jakarta.ws.rs.*;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
+import java.util.*;
 import nl.utwente.mod4.pokemon.dao.PokemonDao;
 import nl.utwente.mod4.pokemon.model.Pokemon;
+import nl.utwente.mod4.pokemon.model.ResourceCollection;
 
 @Path("/pokemon")
 public class PokemonRoute {
     @GET
     @Produces(MediaType.APPLICATION_JSON)
-    public List<Pokemon> getPokemon(@QueryParam("sortBy") String sortOrder) {
-        Integer pageSize = Integer.MAX_VALUE;
-        List<Pokemon> pokemons =  PokemonDao.INSTANCE.getPokemon(pageSize, 1);
+    public ResourceCollection<Pokemon> getPokemon(
+            @QueryParam("sortBy") String sortOrder,
+            @QueryParam("pageSize") int pageSize,
+            @QueryParam("pageNumber") int pageNum
+    ) {
+        Integer ps = pageSize > 0 ? pageSize : Integer.MAX_VALUE;
+        Integer pn = pageNum > 0 ? pageNum : 1;
+
+
+        Pokemon [] pokemons =  PokemonDao.INSTANCE.getPokemon(ps, pn).toArray(new Pokemon[0]);
         if (sortOrder != null && sortOrder.equals("name")) {
-            pokemons.sort(Comparator.comparing(pok -> pok.name));
+            pokemons = Arrays.stream(pokemons).sorted(Comparator.comparing(p -> p.name)).toArray(Pokemon[]::new);
+
+//            pokemons.sort(Comparator.comparing(pok -> pok.name));
         }
+        Integer totalPokemons = PokemonDao.INSTANCE.getTotalPokemon();
+        ps = pokemons == null ? 0 : pokemons.length;
 
-        return pokemons;
+        return new ResourceCollection<>(pokemons, ps, pn, totalPokemons);
     }
 
     @POST