Firebase 데이터 서버에 저장하기 / 랭킹 만들기

 

https://firebase.google.com/?hl=ko

Firebase | Google’s Mobile and Web App Development Platform

 

 

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class UserInfo
{
    public string userId;
    public int score;

    //생성자 
    public UserInfo(string userId, int score)
    {
        this.userId = userId;
        this.score = score;
    }
}

 

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class GameInfo 
{
   public List<UserInfo> userinfos = new List<UserInfo>();

}

 

using Firebase.Database;
using Firebase.Extensions;
using Newtonsoft.Json;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;


public class GameMain : MonoBehaviour
{
    DatabaseReference mDatabaseRef;
    void Start()
    {
        //Debug.Log($"Firebase.FirebaseApp.DefaultInstance: {Firebase.FirebaseApp.DefaultInstance}");
        // Get the root reference location of the database.
        mDatabaseRef  = FirebaseDatabase.DefaultInstance.RootReference;

        // List<UserInfo> userInfos = new List<UserInfo>();
        //userInfos.Add(new UserInfo("hong",100));
        //userInfos.Add(new UserInfo("hong2", 200));
        //userInfos.Add(new UserInfo("hong3", 300));




        //GameInfo gameInfo = new GameInfo();    //저장 객체 만들기 
        //gameInfo.userinfos = userInfos;
        //string json = JsonConvert.SerializeObject(gameInfo);  //직렬화 
        //mDatabaseRef.Child("gameInfo").SetRawJsonValueAsync(json);

        //가져오기

        FirebaseDatabase.DefaultInstance
    .GetReference("gameInfo")
    .GetValueAsync().ContinueWithOnMainThread(task => {
        if (task.IsFaulted)
        {
            // Handle the error...
        }
        else if (task.IsCompleted)
        {
            DataSnapshot snapshot = task.Result;
            // Do something with snapshot...

            string jsonGameInfo = snapshot.GetRawJsonValue();

           var gameInfo = JsonConvert.DeserializeObject<GameInfo>(jsonGameInfo);

            Debug.Log($"gameInfo : {gameInfo}");


            //score로 정렬 
            //gameInfo.userinfos.Sort((x, y) => {
            //    if (x.score == y.score) return 0;
            //    else if (x.score > y.score) return -1;
            //    else if (x.score < y.score) return 1;
            //    else return x.score.CompareTo(y.score);
            //});


            gameInfo.userinfos.OrderBy(x => x.score);


            foreach (var userInfo in gameInfo.userinfos)
            {
                Debug.Log($"=> {userInfo.userId}, {userInfo.score}");
            }

            UserInfo findinfo = gameInfo.userinfos.Find(x => x.userId == "jjang");

            if (findinfo !=null)
            {
                ///있으면 수정
                findinfo.score = 1500;
            }

            else
            {
                gameInfo.userinfos.Add(new UserInfo("jjang", 1300));
                Debug.Log("유저 추가");
                
            }

            //SetRawJsonValueAsync 
            string json = JsonConvert.SerializeObject(gameInfo);//직렬화 
            mDatabaseRef.Child("gameInfo").SetRawJsonValueAsync(json);//저장 
        }
    });






    }

  
    
}