mmorales.photo/back/DataModels/RankingModel.cs

namespace back.DataModels;

public class RankingModel
{
    private int totalVotes;
    private int upVotes;
    private int downVotes;

    public RankingModel(int totalVotes, int upVotes = 0, int downVotes = 0)
    {
        this.totalVotes = totalVotes;
        this.upVotes = upVotes;
        this.downVotes = downVotes;
    }

    public void DownVote()
    {
        downVotes++;
        totalVotes++;
    }

    public void UpVote()
    {
        upVotes++;
        totalVotes++;
    }

    public double Score
    {
        get
        {
            if (totalVotes == 0) return 0;
            return (double)(upVotes - downVotes) / totalVotes;
        }
    }
}