cz.fi.muni.pa165.comparator.SortByPoints.java Source code

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package cz.fi.muni.pa165.comparator;

import cz.fi.muni.pa165.dao.IGameDao;
import cz.fi.muni.pa165.entity.Game;
import cz.fi.muni.pa165.entity.Player;
import cz.fi.muni.pa165.entity.Team;
import cz.fi.muni.pa165.enums.MatchResult;
import cz.fi.muni.pa165.exception.SoccerRecordsDataAccessException;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.springframework.beans.factory.annotation.Autowired;

/**
 *
 * @author Martin
 */
public class SortByPoints implements Comparator<Team> {

    private List<Game> games;

    public SortByPoints(List<Game> games) {
        this.games = games;
    }

    @Override
    public int compare(Team t1, Team t2) {
        int t1score = 0, t2score = 0;
        t1score += getGamesWon(t1).size() * 3;
        t1score += getGamesDraw(t1).size();
        t2score += getGamesWon(t2).size() * 3;
        t2score += getGamesDraw(t2).size();
        if (t1score > t2score) {
            return -1;
        } else {
            return 1;
        }
    }

    private Set<Game> getGamesWon(Team t) {
        Set<Game> gamesW = new HashSet<>();

        gamesW.addAll(games.stream().filter(g -> g.getHomeTeam().equals(t))
                .filter(g -> g.getMatchResult().equals(MatchResult.HOME_TEAM_WIN)).collect(Collectors.toSet()));

        gamesW.addAll(games.stream().filter(g -> g.getGuestTeam().equals(t))
                .filter(g -> g.getMatchResult().equals(MatchResult.GUEST_TEAM_WIN)).collect(Collectors.toSet()));
        return gamesW;
    }

    private Set<Game> getGamesDraw(Team t) {
        Set<Game> gamesD = new HashSet<>();

        gamesD.addAll(games.stream().filter(g -> g.getMatchResult().equals(MatchResult.DRAW))
                .filter(g -> g.getGuestTeam().equals(t) || g.getHomeTeam().equals(t)).collect(Collectors.toSet()));

        return gamesD;
    }
}