PIAPS_CW/BusinessLogic/BusinessLogic/MediaFileLogic.cs

108 lines
3.5 KiB
C#

using Contracts.BindingModels;
using Contracts.BusinessLogicContracts;
using Contracts.SearchModels;
using Contracts.StorageContracts;
using Contracts.ViewModels;
using DatabaseImplement.Implements;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace BusinessLogic.BusinessLogic
{
public class MediaFileLogic : IMediaFileLogic
{
private readonly IMediaFileStorage _mediafileStorage;
private readonly ILogger _logger;
public MediaFileLogic(IMediaFileStorage mediafileStorage, ILogger<MediaFileLogic> logger)
{
_mediafileStorage = mediafileStorage;
_logger = logger;
}
public bool Create(MediaFileBindingModel model)
{
CheckModel(model);
_logger.LogInformation("Работа идёт нормально, криэйт в логике");
if (_mediafileStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Delete(MediaFileBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_mediafileStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
public MediaFileViewModel? ReadElement(MediaFileSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement .Id:{ Id}", model.Id);
var element = _mediafileStorage.GetElement(model);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
return element;
}
public List<MediaFileViewModel>? ReadList(MediaFileSearchModel? model)
{
_logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
var list = model == null ? _mediafileStorage.GetFullList() : _mediafileStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public bool Update(MediaFileBindingModel model)
{
CheckModel(model);
if (_mediafileStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
private void CheckModel(MediaFileBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (model.Image == null)
{
//throw new ArgumentNullException("Нет изображения", nameof(model.Name));
}
_logger.LogError("Проверка модели медиа файла выдала ошибку.");
}
}
}