rabidus-test/Assets/Scripts/LeaderboardController.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;

public class LeaderboardController : MonoBehaviour
{
    [SerializeField]
    private RectTransform _content;
    [SerializeField]
    private LeaderboardEntry _leaderboardEntryPrefab;

    [SerializeField]
    private InputField _nameInputField;

    private List<LeaderboardEntry> _entries = new List<LeaderboardEntry>();

    private void Start()
    {
        UpdateLeaderboard(0);
    }

    private void UpdateLeaderboard(float newScore)
    {
        _entries.ForEach(x => Destroy(x.gameObject));
        _entries.Clear();
        _entries = new List<LeaderboardEntry>();

        var sortedList = PlayerSetup.Instance.PlayerInfo.Players.OrderByDescending(x => x.Score).ToList();

        for (int i = 0; i < sortedList.Count; i++)
        {
            var newEntry = Instantiate(_leaderboardEntryPrefab, _content);
            _entries.Add(newEntry);
            newEntry.Init(sortedList[i], i);
        }
    }

    public void SubmitNewEntry()
    {
        PlayerSetup.Instance.SetPlayerName(_nameInputField.text);
        PlayerSetup.Instance.SavePlayer();
        UpdateLeaderboard(0);
    }

    public void InitPlayerInfo(Player player)
    {
        player.OnScoreChange += UpdateLeaderboard;
    }
}