Ranking: use Map instead of List

backend/src/main/java/djmil/cordacheckers/cordaclient/CordaClient.java

@@ -67,7 +67,7 @@ public class CordaClient {
     }
 
     // use custodian holding identity to get ranking table of all players
-    public List<Rank> fetchRanking(HoldingIdentity holdingIdentity) {
+    public Map<String, Rank> fetchRanking(HoldingIdentity holdingIdentity) {
         final RequestBody requestBody = new RequestBody(
             "ranking-" +UUID.randomUUID(),
             "djmil.cordacheckers.gameresult.RankingFlow",

backend/src/main/java/djmil/cordacheckers/cordaclient/dao/Rank.java

@@ -1,7 +1,6 @@
 package djmil.cordacheckers.cordaclient.dao;
 
 public record Rank(
-    String name,
     Integer gamesPlayed,
     Integer gamesWon
 ) {

backend/src/main/java/djmil/cordacheckers/cordaclient/dao/flow/arguments/RspRankList.java

@@ -1,11 +1,11 @@
 package djmil.cordacheckers.cordaclient.dao.flow.arguments;
 
-import java.util.List;
+import java.util.Map;
 
 import djmil.cordacheckers.cordaclient.dao.Rank;
 
 public record RspRankList(
-    List<Rank> successStatus,
+    Map<String, Rank> successStatus,
-    String failureStatus) implements Rsp<List<Rank>> {
+    String failureStatus) implements Rsp<Map<String, Rank>> {
 
 }

backend/src/test/java/djmil/cordacheckers/cordaclient/GameProposalTests.java

@@ -144,7 +144,7 @@ public class GameProposalTests {
         assertThat(acceptedGameAcquierView.opponentName()).isEqualToIgnoringCase(issuer);
         assertThat(acceptedGameAcquierView.opponentColor()).isEqualByComparingTo(acquierColor.opposite());
         assertThat(acceptedGameAcquierView.board()).containsAllEntriesOf(GameState.defaultGameBoard);
-        assertThat(acceptedGameAcquierView.previousMove()).isEmpty();
+        assertThat(acceptedGameAcquierView.previousMove()).isNull();
         assertThat(acceptedGameAcquierView.moveNumber() == 0);
         assertThat(acceptedGameAcquierView.status()).isEqualByComparingTo(Status.GAME_BOARD_WAIT_FOR_YOU);
         assertThat(acceptedGameAcquierView.uuid()).isEqualByComparingTo(game.uuid());
@@ -160,7 +160,7 @@ public class GameProposalTests {
         assertThat(acceptedGameIssuerView.opponentName()).isEqualToIgnoringCase(acquier);
         assertThat(acceptedGameIssuerView.opponentColor()).isEqualByComparingTo(acquierColor);
         assertThat(acceptedGameIssuerView.board()).containsAllEntriesOf(GameState.defaultGameBoard);
-        assertThat(acceptedGameIssuerView.previousMove()).isEmpty();
+        assertThat(acceptedGameIssuerView.previousMove()).isNull();
         assertThat(acceptedGameIssuerView.moveNumber() == 0);
         assertThat(acceptedGameIssuerView.status()).isEqualByComparingTo(Status.GAME_BOARD_WAIT_FOR_OPPONENT);
         assertThat(acceptedGameIssuerView.uuid()).isEqualByComparingTo(game.uuid());

backend/src/test/java/djmil/cordacheckers/cordaclient/RankingTests.java

@@ -1,8 +1,12 @@
 package djmil.cordacheckers.cordaclient;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatNoException;
 
-import java.util.List;
+import java.util.Arrays;
+import java.util.Map;
+
+import javax.naming.InvalidNameException;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -24,33 +28,77 @@ public class RankingTests {
     final String player1 = "kumar";
     final String player2 = "bobik";
 
+    final static Stone WHITE_MAN  = new Stone(Stone.Color.WHITE, Stone.Type.MAN);
+    final static Stone WHITE_KING = new Stone(Stone.Color.WHITE, Stone.Type.KING);
+    final static Stone BLACK_MAN  = new Stone(Stone.Color.BLACK, Stone.Type.MAN);
+    final static Stone BLACK_KING = new Stone(Stone.Color.BLACK, Stone.Type.KING);
+
+    final static Map<Integer, Stone> board1 =  Map.ofEntries(
+        Map.entry(10, BLACK_KING),
+        Map.entry(7, WHITE_KING)
+    );
+
     @Test
-    void testGlobalRanking() {
+    void testSurrender() throws InvalidNameException {
         final var hiCustodian  = holdingIdentityResolver.getCustodian();
         assertThat(hiCustodian).isNotNull();
 
-        final List<Rank> liderboard1 = cordaClient.fetchRanking(hiCustodian);
+        final Map<String, Rank> liderboard1 = cordaClient.fetchRanking(hiCustodian);
 
         final var hiWinner = holdingIdentityResolver.getByUsername(player1);
         final var hiLooser = holdingIdentityResolver.getByUsername(player2);
+        final var winnerName = hiWinner.getName();
+        final var losserName = hiLooser.getName();
 
-        final GameState game = cordaClient.gameProposalCreate(
+        final GameState game = cordaClient.gameProposalCreate(hiWinner, hiLooser, Stone.Color.WHITE, 
-            hiWinner, hiLooser, Stone.Color.WHITE, "GameBoard GLOBAL_RANKING test");
+            "GameBoard GLOBAL_RANKING surrender test");
 
         cordaClient.gameProposalAccept(hiLooser, game.uuid());
         cordaClient.gameBoardSurrender(hiLooser, game.uuid());
 
-        final List<Rank> liderboard2 = cordaClient.fetchRanking(hiCustodian);
+        final Map<String, Rank> liderboard2 = cordaClient.fetchRanking(hiCustodian);
 
-        System.out.println(liderboard1);
+        assertThat(liderboard1.get(winnerName).gamesWon()    +1 == liderboard2.get(winnerName).gamesWon()   );
-        System.out.println(liderboard2);
+        assertThat(liderboard1.get(winnerName).gamesPlayed() +1 == liderboard2.get(winnerName).gamesPlayed());
+
+        assertThat(liderboard1.get(losserName).gamesWon()       == liderboard2.get(losserName).gamesWon()   );
+        assertThat(liderboard1.get(losserName).gamesPlayed() +1 == liderboard2.get(losserName).gamesPlayed());
+    }
+
+    @Test
+    void testVictory() throws InvalidNameException {
+        final var hiCustodian  = holdingIdentityResolver.getCustodian();
+        assertThat(hiCustodian).isNotNull();
+
+        final Map<String, Rank> liderboard1 = cordaClient.fetchRanking(hiCustodian);
+
+        final var hiWinner = holdingIdentityResolver.getByUsername(player2);
+        final var hiLooser = holdingIdentityResolver.getByUsername(player1);
+        final var winnerName = hiWinner.getName();
+        final var losserName = hiLooser.getName();
+
+        final GameState game = cordaClient.gameProposalCreate(hiWinner, hiLooser, Stone.Color.BLACK, 
+            board1, "GameBoard GLOBAL_RANKING victory test");
+
+        cordaClient.gameProposalAccept(hiLooser, game.uuid());
+        cordaClient.gameBoardMove(hiWinner, game.uuid(), Arrays.asList(7, 14), null);
+
+        final Map<String, Rank> liderboard2 = cordaClient.fetchRanking(hiCustodian);
+
+        assertThat(liderboard1.get(winnerName).gamesWon()    +1 == liderboard2.get(winnerName).gamesWon()   );
+        assertThat(liderboard1.get(winnerName).gamesPlayed() +1 == liderboard2.get(winnerName).gamesPlayed());
+
+        assertThat(liderboard1.get(losserName).gamesWon()       == liderboard2.get(losserName).gamesWon()   );
+        assertThat(liderboard1.get(losserName).gamesPlayed() +1 == liderboard2.get(losserName).gamesPlayed());
     }
 
     @Test
     void testIndividualRanking() {
         final var hiCustodian  = holdingIdentityResolver.getByUsername(player2);
-        final List<Rank> liderboard = cordaClient.fetchRanking(hiCustodian);
+
-        System.out.println(liderboard);
+        assertThatNoException().isThrownBy( () -> 
+            cordaClient.fetchRanking(hiCustodian)
+        );
     }
 
 }

corda/workflows/src/main/java/djmil/cordacheckers/VNode.java

@@ -8,20 +8,30 @@ import net.corda.v5.membership.NotaryInfo;
 
 public class VNode {
     static final String CHECKERS = "Checkers";      // O aka Organization
+    static final String PLAYER = "Player";          // OU aka OrganizationUnit
     static final String CUSTODIAN = "Custodian";    // OU aka OrganizationUnit
     static final String NOTARY = "Notary";          // OU aka OrganizationUnit
 
     @CordaInject
     MemberLookup memberLookup;
 
+    public static boolean isCordaCherckersPlayer(MemberInfo memberInfo) {
+        final MemberX500Name memberName = memberInfo.getName();
+
+        return memberName.getOrganization().equals(CHECKERS) && 
+               memberName.getOrganizationUnit().equals(PLAYER);
+    }
+
     public static boolean isCordaCherckersCustodian(MemberInfo memberInfo) {
         final MemberX500Name memberName = memberInfo.getName();
+
         return memberName.getOrganization().equals(CHECKERS) && 
                memberName.getOrganizationUnit().equals(CUSTODIAN);
     }
 
     public static boolean isCordaCherckersNotary(NotaryInfo notaryInfo) {
         final MemberX500Name memberName = notaryInfo.getName();
+        
         return memberName.getOrganization().equals(CHECKERS) && 
                memberName.getOrganizationUnit().equals(NOTARY);
     }

corda/workflows/src/main/java/djmil/cordacheckers/gameresult/Rank.java

@@ -1,20 +1,36 @@
 package djmil.cordacheckers.gameresult;
 
 public class Rank {
-    public final String name;
+    private Integer gamesPlayed;
-    public final Integer gamesPlayed;
+    private Integer gamesWon;
-    public final Integer gamesWon;
 
     // Serialisation service requires a default constructor
-    Rank() {
+    public Rank() {
-        name = null;
+        gamesPlayed = 0;
-        gamesPlayed = null;
+        gamesWon = 0;
-        gamesWon = null;
     }
 
-    public Rank(String name, Integer gamesPlayed, Integer gamesWon) {
+    public Rank(Integer gamesPlayed, Integer gamesWon) {
-        this.name = name;
         this.gamesPlayed = gamesPlayed;
         this.gamesWon = gamesWon;
     }
+
+    Rank gamePlayed() {
+        gamesPlayed++;
+        return this;
+    }
+
+    Rank gameWon() {
+        gamesWon++;
+        return this;
+    }
+
+    public Integer getGamesPlayed() {
+        return gamesPlayed;
+    }
+
+    public Integer getGamesWon() {
+        return gamesWon;
+    }
+
 }

corda/workflows/src/main/java/djmil/cordacheckers/gameresult/RankingFlow.java

@@ -1,7 +1,6 @@
 package djmil.cordacheckers.gameresult;
 
 import java.util.HashMap;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
@@ -9,12 +8,13 @@ import java.util.stream.Collectors;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import djmil.cordacheckers.VNode;
 import djmil.cordacheckers.states.GameResultState;
 import net.corda.v5.application.flows.ClientRequestBody;
 import net.corda.v5.application.flows.ClientStartableFlow;
 import net.corda.v5.application.flows.CordaInject;
-import net.corda.v5.application.flows.FlowEngine;
 import net.corda.v5.application.marshalling.JsonMarshallingService;
+import net.corda.v5.application.membership.MemberLookup;
 import net.corda.v5.base.annotations.Suspendable;
 import net.corda.v5.ledger.utxo.UtxoLedgerService;
 
@@ -29,7 +29,7 @@ public class RankingFlow implements ClientStartableFlow {
     public JsonMarshallingService jsonMarshallingService;
 
     @CordaInject
-    public FlowEngine flowEngine;
+    public MemberLookup memberLookup;
 
     @Suspendable
     @Override
@@ -37,27 +37,23 @@ public class RankingFlow implements ClientStartableFlow {
         try {
             final List<GameResultState> gameStateResutList = getGameResultsList();
 
-            Map<String, Integer> won = new HashMap<>();
+            Map<String, Rank> leaderboard = newLeaderboard();
             for (GameResultState gs : gameStateResutList) {
                 final var winner = gs.getWinnerName().getCommonName();
-                won.put(winner, won.getOrDefault(winner, 0) +1);
+                if (winner != null)
-            }
+                    leaderboard.put(winner, leaderboard.get(winner).gameWon() );
+                
+                final var blackPlayer = gs.getBlackPlayer().getCommonName();
+                leaderboard.put(blackPlayer, leaderboard.get(blackPlayer).gamePlayed() );
 
-            Map<String, Integer> played = new HashMap<>(won);
+                final var whitePlayer = gs.getWhitePlayer().getCommonName();
-            for (GameResultState gs : gameStateResutList) {
+                leaderboard.put(whitePlayer, leaderboard.get(whitePlayer).gamePlayed() );
-                final var looseer = gs.getLooserName().getCommonName();
-                played.put(looseer, played.getOrDefault(looseer, 0) +1);
-            }
-
-            List<Rank> board = new LinkedList<Rank>();
-            for (String name : played.keySet()) {
-                board.add(new Rank(name, played.getOrDefault(name, 0), won.getOrDefault(name, 0)));
             }
     
-            return new RankingFlowResponce(board)
+            return new RankingFlowResponce(leaderboard)
                 .toJsonEncodedString(jsonMarshallingService);
         } catch (Exception e) {
-            log.warn("Exception during processing " + requestBody + " request: " + e.getMessage());
+            log.warn(requestBody + " [ERROR] " +e.toString());
             return new RankingFlowResponce(e)
                 .toJsonEncodedString(jsonMarshallingService);
         }
@@ -72,4 +68,16 @@ public class RankingFlow implements ClientStartableFlow {
             .collect(Collectors.toList());
     }
 
+    @Suspendable
+    Map<String, Rank> newLeaderboard() {
+        Map<String, Rank> leaderboard = new HashMap<>();
+
+        memberLookup.lookup()
+            .stream()
+            .filter(member -> VNode.isCordaCherckersPlayer(member) )
+            .forEach(member -> leaderboard.put(member.getName().getCommonName(), new Rank()) );
+
+        return leaderboard;
+    }
+
 }

corda/workflows/src/main/java/djmil/cordacheckers/gameresult/RankingFlowResponce.java

@@ -1,14 +1,14 @@
 package djmil.cordacheckers.gameresult;
 
-import java.util.List;
+import java.util.Map;
 
 import net.corda.v5.application.marshalling.JsonMarshallingService;
 
 public class RankingFlowResponce {
-    public final List<Rank> successStatus;
+    public final Map<String, Rank> successStatus;
     public final String failureStatus;
 
-    public RankingFlowResponce(List<Rank> success) {
+    public RankingFlowResponce(Map<String, Rank> success) {
         this.successStatus = success;
         this.failureStatus = null;
     }
@@ -21,5 +21,5 @@ public class RankingFlowResponce {
     public String toJsonEncodedString(JsonMarshallingService jsonMarshallingService) {
         return jsonMarshallingService.format(this);
     }
-    
+
-}
+}