src/main/java/design/model/Round.java


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package design.model;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

public class Round {
    private final Course course;
    private final LocalDateTime dateTime;
    private final Hole startingHole;
    private final List<Play> plays;

    // for deserialization
    private Round(Course course, LocalDateTime dateTime, Hole startingHole, List<Play> plays) {
        this.course = course;
        this.dateTime = dateTime;
        this.startingHole = startingHole;
        this.plays = plays;
    }

    public Round(Course course, LocalDateTime dateTime, Hole startingHole) {
        this.course = course;
        this.dateTime = dateTime;
        this.startingHole = startingHole;
        plays = new ArrayList<>();
    }

    public int getTotalSwings() {
        return plays.stream()
                .map(Play::getSwingCount)
                .reduce(0, Integer::sum);
    }

    public Course getCourse() {
        return course;
    }

    public LocalDateTime getDateTime() {
        return dateTime;
    }

    public Hole getStartingHole() {
        return startingHole;
    }

    public Play[] getPlays() {
        return plays.toArray(Play[]::new);
    }

    public void addPlay(Play play) {
        plays.add(play);
    }
}