PIbd22_Kuznetsov_A.V._Sewin.../SewingDresses/SewingDressesBusinessLogic/BusinessLogic/BackUpLogic.cs

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2024-06-22 21:11:56 +04:00
using Microsoft.Extensions.Logging;
using SewingDressesContracts.BindingModels;
using SewingDressesContracts.BusinessLogicsContracts;
using SewingDressesContracts.StoragesContracts;
using SewingDressesDataModels;
using System.IO.Compression;
using System.Reflection;
using System.Runtime.Serialization.Json;
namespace SewingDressesDatabaseImplement.Implements
{
public class BackUpLogic : IBackUpLogic
{
private readonly ILogger _logger;
private readonly IBackUpInfo _backUpInfo;
public BackUpLogic(ILogger<BackUpLogic> logger, IBackUpInfo backUpInfo)
{
_logger = logger;
_backUpInfo = backUpInfo;
}
public void CreateBackUp(BackUpSaveBindingModel model)
{
if (_backUpInfo == null)
{
return;
}
try
{
_logger.LogDebug("Clear folder");
var dirInfo = new DirectoryInfo(model.FolderName);
if (dirInfo.Exists)
{
foreach (var file in dirInfo.GetFiles())
{
file.Delete();
}
}
_logger.LogDebug("Delete archive");
string fileName = $"{model.FolderName}.zip";
if (File.Exists(fileName))
{
File.Delete(fileName);
}
_logger.LogDebug("Get assembly");
var typeIId = typeof(IId);
var assembly = typeIId.Assembly;
if (assembly == null)
{
throw new ArgumentNullException("Сборка не найдена",
nameof(assembly));
}
var types = assembly.GetTypes();
var method = GetType().GetMethod("SaveToFile", BindingFlags.NonPublic | BindingFlags.Instance);
_logger.LogDebug("Find {count} types", types.Length);
foreach (var type in types)
{
if (type.IsInterface && type.GetInterface(typeIId.Name) !=null)
{
var modelType = _backUpInfo.GetTypeByModelInterface(type.Name);
if (modelType == null)
{
throw new InvalidOperationException($"Не найден класс - модель для { type.Name }");
}
_logger.LogDebug("Call SaveToFile method for {name} type", type.Name);
method?.MakeGenericMethod(modelType).Invoke(this, new
object[] { model.FolderName });
}
}
_logger.LogDebug("Create zip and remove folder");
ZipFile.CreateFromDirectory(model.FolderName, fileName);
dirInfo.Delete(true);
}
catch (Exception)
{
throw;
}
}
private void SaveToFile<T>(string folderName) where T : class, new()
{
var records = _backUpInfo.GetList<T>();
if (records == null)
{
_logger.LogWarning("{type} type get null list", typeof(T).Name);
return;
}
var jsonFormatter = new DataContractJsonSerializer(typeof(List<T>));
using var fs = new FileStream(string.Format("{0}/{1}.json", folderName, typeof(T).Name), FileMode.OpenOrCreate);
jsonFormatter.WriteObject(fs, records);
}
}
}