Add leaderboard route

src/be/jeffcheasey88/peeratcode/Main.java

@@ -28,6 +28,7 @@ import org.jose4j.lang.JoseException;
 import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;
 import be.jeffcheasey88.peeratcode.routes.ChapterElement;
 import be.jeffcheasey88.peeratcode.routes.ChapterList;
+import be.jeffcheasey88.peeratcode.routes.Leaderboard;
 import be.jeffcheasey88.peeratcode.routes.Login;
 import be.jeffcheasey88.peeratcode.routes.PuzzleElement;
 import be.jeffcheasey88.peeratcode.routes.PuzzleResponse;
@@ -79,6 +80,7 @@ public class Main {
 		router.register(new Login(router.getDataBase(), router));
 		router.register(new Result(router.getDataBase()));
 		router.register(new PuzzleResponse(router.getDataBase()));
+		router.register(new Leaderboard(router.getDataBase()));
 	}
 
 	private static void startWebServer(Configuration config, Router router) throws IOException {

src/be/jeffcheasey88/peeratcode/model/Player.java

@@ -1,6 +1,8 @@
 package be.jeffcheasey88.peeratcode.model;
 
-public class Player {
+import java.util.Objects;
+
+public class Player implements Comparable<Player> {
 	public static final String PATH_TO_CODE = "/home/%s/peer-at-source/";
 
 	private String pseudo;
@@ -9,14 +11,29 @@ public class Player {
 	private String lastname;
 	private String description;
 	private String sgroup;
+	private byte[] avatar;
+
+	private int totalScore;
+	private int totalCompletion;
+	private int totalTries;
 
 	public Player(String pseudo, String email, String firstname, String lastname, String description, String sgroup) {
+		this(pseudo, email, firstname, lastname, description, sgroup, null);
+	}
+
+	public Player(String pseudo, String email, String firstname, String lastname, String description, String sgroup,
+			byte[] avatar) {
 		this.pseudo = pseudo;
 		this.email = email;
 		this.firstname = firstname;
 		this.lastname = lastname;
 		this.description = description;
 		this.sgroup = sgroup;
+		this.avatar = avatar;
+
+		totalScore = 0;
+		totalCompletion = 0;
+		totalTries = 0;
 	}
 
 	public String getPseudo() {
@@ -43,7 +60,52 @@ public class Player {
 		return this.sgroup;
 	}
 
+	public byte[] getAvatar() {
+		return this.avatar;
+	}
+	
 	public String getPathToSourceCode() {
 		return String.format(PATH_TO_CODE, pseudo);
 	}
+
+	public int getTotalScore() {
+		return totalScore;
+	}
+
+	public void setTotalScore(int totalScore) {
+		this.totalScore = totalScore;
+	}
+
+	public int getTotalCompletion() {
+		return totalCompletion;
+	}
+
+	public void setTotalCompletion(int totalCompletion) {
+		this.totalCompletion = totalCompletion;
+	}
+
+	public int getTotalTries() {
+		return totalTries;
+	}
+
+	public void setTotalTries(int totalTries) {
+		this.totalTries = totalTries;
+	}
+
+	@Override
+	public int compareTo(Player arg0) {
+		if (this == arg0)
+			return 0;
+		if (arg0 == null)
+			return -1;
+		int compare = Integer.compare(arg0.getTotalScore(), totalScore);
+		if (compare == 0) {
+			compare =  Integer.compare(arg0.getTotalCompletion(), totalCompletion);
+			if (compare == 0) {
+				compare =  Integer.compare(totalTries, arg0.getTotalTries());
+			}
+		}
+
+		return compare;
+	}
 }

src/be/jeffcheasey88/peeratcode/repository/DatabaseRepository.java

@@ -8,6 +8,8 @@ import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.SortedSet;
+import java.util.TreeSet;
 
 import com.password4j.Hash;
 import com.password4j.Password;
@@ -30,6 +32,7 @@ public class DatabaseRepository {
 	private static final String SCORE = "SELECT score FROM completions WHERE fk_player = ? AND fk_puzzle = ?";
 	private static final String GET_COMPLETION = "SELECT id_completion, tries, fileName, score FROM completions WHERE fk_puzzle = ? AND fk_player = ?";
 	private static final String GET_PLAYER = "SELECT * FROM players WHERE id_player = ?";
+	private static final String ALL_PLAYERS_FOR_LEADERBOARD = "SELECT p.*, sum(c.score) AS playerScore, count(c.id_completion) AS playerCompletions, sum(c.tries) AS playerTries FROM players p LEFT JOIN completions c ON c.fk_player = p.id_player GROUP BY p.id_player ORDER BY playerScore DESC";
 	private static final String INSERT_COMPLETION = "INSERT INTO completions (fk_puzzle, fk_player, tries, code, fileName, score) values (?, ?, ?, ?, ?, ?)";
 	private static final String UPDATE_COMPLETION = "UPDATE completions SET tries = ?, filename = ?, score = ? WHERE fk_puzzle = ? AND fk_player = ?";
 
@@ -66,7 +69,8 @@ public class DatabaseRepository {
 	private Player makePlayer(ResultSet playerResult) throws SQLException {
 		return new Player(playerResult.getString("pseudo"), playerResult.getString("email"),
 				playerResult.getString("firstName"), playerResult.getString("LastName"),
-				playerResult.getString("description"), playerResult.getString("sgroup"));
+				playerResult.getString("description"), playerResult.getString("sgroup"),
+				playerResult.getBytes("avatar"));
 	}
 
 	private List<Puzzle> getPuzzlesInChapter(int id) throws SQLException {
@@ -147,6 +151,27 @@ public class DatabaseRepository {
 		return null;
 	}
 
+	public SortedSet<Player> getAllPlayerForLeaderboard() {
+		try {
+			ensureConnection();
+			PreparedStatement playersStmt = con.prepareStatement(ALL_PLAYERS_FOR_LEADERBOARD);
+			ResultSet result = playersStmt.executeQuery();
+			SortedSet<Player> players = new TreeSet<Player>();
+			Player tmpPlayer;
+			while (result.next()) {
+				tmpPlayer = makePlayer(result);
+				tmpPlayer.setTotalScore(result.getInt("playerScore"));
+				tmpPlayer.setTotalCompletion(result.getInt("playerCompletions"));
+				tmpPlayer.setTotalTries(result.getInt("playerTries"));
+				players.add(tmpPlayer);
+			}
+			return players;
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+
 	/**
 	 * Get a specific chapter
 	 *

src/be/jeffcheasey88/peeratcode/routes/Leaderboard.java

@@ -0,0 +1,52 @@
+package be.jeffcheasey88.peeratcode.routes;
+
+import be.jeffcheasey88.peeratcode.model.Player;
+import be.jeffcheasey88.peeratcode.repository.DatabaseRepository;
+import be.jeffcheasey88.peeratcode.webserver.HttpReader;
+import be.jeffcheasey88.peeratcode.webserver.HttpUtil;
+import be.jeffcheasey88.peeratcode.webserver.HttpWriter;
+import be.jeffcheasey88.peeratcode.webserver.Response;
+import be.jeffcheasey88.peeratcode.webserver.User;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+
+import java.util.SortedSet;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class Leaderboard implements Response {
+
+	private final DatabaseRepository databaseRepo;
+
+	public Leaderboard(DatabaseRepository databaseRepo) {
+		this.databaseRepo = databaseRepo;
+	}
+
+	@Override
+	public void exec(Matcher matcher, User user, HttpReader reader, HttpWriter writer) throws Exception {
+		HttpUtil.responseHeaders(writer, 200, "Access-Control-Allow-Origin: *");
+		SortedSet<Player> allPlayers = databaseRepo.getAllPlayerForLeaderboard();
+		if (allPlayers != null) {
+			JSONArray playersJSON = new JSONArray();
+			for (Player player : allPlayers) {
+				JSONObject playerJSON = new JSONObject();
+				playerJSON.put("pseudo", player.getPseudo());
+				playerJSON.put("group", player.getGroup());
+				// chapterJSON.put("avatar", player.);
+				playerJSON.put("score", player.getTotalScore());
+				playerJSON.put("completions", player.getTotalCompletion());
+				playerJSON.put("tries", player.getTotalTries());
+				playersJSON.add(playerJSON);
+			}
+			writer.write(playersJSON.toJSONString());
+		}
+		writer.flush();
+		writer.close();
+	}
+
+	@Override
+	public Pattern getPattern() {
+		return Pattern.compile("^\\/leaderboard$");
+	}
+}

src/be/jeffcheasey88/peeratcode/routes/PuzzleResponse.java

@@ -1,11 +1,9 @@
 package be.jeffcheasey88.peeratcode.routes;
 
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.nio.file.StandardOpenOption;
 import java.util.Arrays;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;