HTMLTP1/notus/Notus_Persistence/ToJSON.cs

using Biblioteque_de_Class;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using System.Xml;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Text.Json;

namespace Notus_Persistance
{
    public class ToJSON : IManager
    {
        private const string DatabaseDataFilePath = "data.json";
        private const string UserDataFilePath = "userdata.json";
        private const string NoteDataFilePath = "notedata.json";
        private const string ThemeDataFilePath = "themedata.json";
        private const string LogoDataFilePath = "logodata.json";
        private const string TagsDataFilePath = "tagsdata.json";
        private const string NoteImageDataFilePath = "noteImagedata.json";
        private static DataContractJsonSerializer DatabasejsonSerializer = new DataContractJsonSerializer(typeof(Database));
        private static DataContractJsonSerializer UserjsonSerializer = new DataContractJsonSerializer(typeof(User));
        private static DataContractJsonSerializer NotejsonSerializer = new DataContractJsonSerializer(typeof(Note));
        private static DataContractJsonSerializer ThemejsonSerializer = new DataContractJsonSerializer(typeof(Theme));
        private static DataContractJsonSerializer LogojsonSerializer = new DataContractJsonSerializer(typeof(Logo));
        private static DataContractJsonSerializer TagsjsonSerializer = new DataContractJsonSerializer(typeof(Tags));
        private static DataContractJsonSerializer NoteImagejsonSerializer = new DataContractJsonSerializer(typeof(NoteImage));
        public void SaveDatabaseData(Database database)
        {
            using (FileStream fileStream = File.Create(DatabaseDataFilePath))
            {
                using (var writer = JsonReaderWriterFactory.CreateJsonWriter(
                            fileStream,
                            System.Text.Encoding.UTF8,
                            false,
                            true))//<- this boolean says that we sant indentation
                {
                    DatabasejsonSerializer.WriteObject(writer, database);
                }
            }
        }

        public Database LoadDatabaseData()
        {
            if (File.Exists(DatabaseDataFilePath))
            {
                using (FileStream fileStream = File.OpenRead(DatabaseDataFilePath))
                {
                    Database? database = (Database?)DatabasejsonSerializer.ReadObject(fileStream);
                    if (database == null)
                    {
                        throw new FileException("Failed to load database. The loaded object is null.");
                    }
                    else
                    {
                        return database;
                    }
                }
            }
            else
            {
                throw new FileException("No data file found.");
            }
        }
    }
}