PIbd-21_BatylkinaAO_MusoevD.../Canteen/CanteenBusinessLogic/BusinessLogics/TablewareLogic.cs

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C#
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using CanteenContracts.BindingModels;
using CanteenContracts.BusinessLogicsContracts;
using CanteenContracts.SearchModel;
using CanteenContracts.StoragesContracts;
using CanteenContracts.View;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CanteenBusinessLogic.BusinessLogics
{
public class TablewareLogic : ITablewareLogic
{
private readonly ILogger _logger;
private readonly ITablewareStorage _tablewareStorage;
public TablewareLogic(ILogger<TablewareLogic> logger, ITablewareStorage tablewareStorage)
{
_logger = logger;
_tablewareStorage = tablewareStorage;
}
public bool Create(TablewareBindingModel model)
{
CheckModel(model);
if (_tablewareStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Delete(TablewareBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id: {Id}", model.Id);
if (_tablewareStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
public TablewareViewModel? ReadElement(TablewareSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. TablewareName: {TablewareName}. Id: {Id}", model.TablewareName, model.Id);
var element = _tablewareStorage.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<TablewareViewModel>? ReadList(TablewareSearchModel? model)
{
_logger.LogInformation("ReadList. TablewareName: {TablewareName}. Id: {Id}", model?.TablewareName, model?.Id);
var list = model == null ? _tablewareStorage.GetFullList() : _tablewareStorage.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(TablewareBindingModel model)
{
CheckModel(model);
if (_tablewareStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
private void CheckModel(TablewareBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.TablewareName))
{
throw new ArgumentNullException("Нет названия у прибора", nameof(model.TablewareName));
}
if (model.VisitorId <= 0)
{
throw new ArgumentNullException("id посетителя должен дыть больше 0", nameof(model.VisitorId));
}
_logger.LogInformation("Tableware. TablewareName: {TablewareName}. VisitorId: {VisitorId}. Id: {Id}", model.TablewareName, model.VisitorId, model.Position, model.Id);
var element = _tablewareStorage.GetElement(new TablewareSearchModel { TablewareName = model.TablewareName });
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Такой прибор уже есть");
}
}
}
}