using System.Collections.Generic;

using System.IO;

using UnityEngine;

using System;

​

​

public static class DataBase

{

    private const string filePath = "tasks.json";

​

    private static List<Task> tasks;

​

    static DataBase()

    {

        tasks = LoadTasks();

​

    }

​

    private static List<Task> LoadTasks()

    {

        List<Task> taskList = new List<Task>();

​

        if (File.Exists(filePath))

        {

            string json = File.ReadAllText(filePath);

            if (!string.IsNullOrEmpty(json))

            {

                taskList = JsonUtility.FromJson<List<Task>>(json);

            }

        }

        else

        {

            SaveTasks();

        }

​

        return taskList;

    }

​

    private static void SaveTasks()

    {

        string json = JsonUtility.ToJson(tasks);

        File.WriteAllText(filePath, json);

​

    }

​

    public static void AddTask(Task task)

    {

        tasks.Add(task);

        SaveTasks();

    }

​

    public static void RemoveTask(Task task)

    {

        tasks.Remove(task);

        SaveTasks();

    }

​

    public static List<Task> GetTasks()

    {

        return tasks;

    }

}

​

​

​

[Serializable]

public class Task

{

    public string Description;

    public bool IsComplete;

​

    public Task(string description, bool isComplete = false)

    {

        Description = description;

        IsComplete = isComplete;

    }

​

    public override bool Equals(object obj)

    {

        if (obj == null || GetType() != obj.GetType())

            return false;

​

        Task other = (Task)obj;

        return Description == other.Description && IsComplete == other.IsComplete;

    }

​

    public override int GetHashCode()

    {

        return HashCode.Combine(Description, IsComplete);

    }

​

}

​

public class Program

{

    public static void Main(string[] args)

    {

    }

}

​

​