98 lines
3.8 KiB
C#
98 lines
3.8 KiB
C#
using IceCreamShopContracts.BindingModels;
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using IceCreamShopContracts.BusinessLogicsContracts;
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using IceCreamShopContracts.StoragesContracts;
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using IceCreamShopDataModels;
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using Microsoft.Extensions.Logging;
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using System.IO.Compression;
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using System.Reflection;
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using System.Runtime.Serialization.Json;
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namespace IceCreamShopBusinessLogic.BusinessLogics
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{
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public class BackUpLogic : IBackUpLogic
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{
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private readonly ILogger _logger;
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private readonly IBackUpInfo _backUpInfo;
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public BackUpLogic(ILogger<BackUpLogic> logger, IBackUpInfo backUpInfo)
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{
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_logger = logger;
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_backUpInfo = backUpInfo;
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}
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public void CreateBackUp(BackUpSaveBindingModel model)
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{
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if (_backUpInfo == null)
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{
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return;
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}
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try
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{
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_logger.LogDebug("Clear folder");
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// зачистка папки и удаление старого архива
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var dirInfo = new DirectoryInfo(model.FolderName);
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if (dirInfo.Exists)
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{
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foreach (var file in dirInfo.GetFiles())
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{
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file.Delete();
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}
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}
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_logger.LogDebug("Delete archive");
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string fileName = $"{model.FolderName}.zip";
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if (File.Exists(fileName))
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{
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File.Delete(fileName);
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}
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// берем метод для сохранения
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_logger.LogDebug("Get assembly");
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var typeIId = typeof(IId);
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var assembly = typeIId.Assembly;
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if (assembly == null)
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{
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throw new ArgumentNullException("Сборка не найдена", nameof(assembly));
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}
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var types = assembly.GetTypes();
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var method = GetType().GetMethod("SaveToFile", BindingFlags.NonPublic | BindingFlags.Instance);
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_logger.LogDebug("Find {count} types", types.Length);
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foreach (var type in types)
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{
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if (type.IsInterface && type.GetInterface(typeIId.Name) != null)
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{
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var modelType = _backUpInfo.GetTypeByModelInterface(type.Name);
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if (modelType == null)
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{
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throw new InvalidOperationException($"Не найден класс-модель для {type.Name}");
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}
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_logger.LogDebug("Call SaveToFile method for {name} type", type.Name);
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// вызываем метод на выполнение
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method?.MakeGenericMethod(modelType).Invoke(this, new object[] { model.FolderName });
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}
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}
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_logger.LogDebug("Create zip and remove folder");
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// архивируем
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ZipFile.CreateFromDirectory(model.FolderName, fileName);
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// удаляем папку
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dirInfo.Delete(true);
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}
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catch (Exception)
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{
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throw;
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}
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}
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private void SaveToFile<T>(string folderName) where T : class, new()
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{
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var records = _backUpInfo.GetList<T>();
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if (records == null)
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{
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_logger.LogWarning("{type} type get null list", typeof(T).Name);
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return;
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}
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var jsonFormatter = new DataContractJsonSerializer(typeof(List<T>));
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using var fs = new FileStream(string.Format("{0}/{1}.json", folderName, typeof(T).Name), FileMode.OpenOrCreate);
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jsonFormatter.WriteObject(fs, records);
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}
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}
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} |