SushiBarBase/SushiBar/SushiBarBusinessLogic/BusinessLogics/SushiLogic.cs

107 lines
3.7 KiB
C#
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

using Microsoft.Extensions.Logging;
using SushiBarContracts.BindingModels;
using SushiBarContracts.BusinessLogicsContracts;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
namespace SushiBarBusinessLogic.BusinessLogics
{
public class SushiLogic : ISushiLogic
{
private readonly ILogger _logger;
private readonly ISushiStorage _sushiStorage;
public SushiLogic(ILogger<SushiLogic> logger, ISushiStorage sushiStorage)
{
_logger = logger;
_sushiStorage = sushiStorage;
}
public List<SushiViewModel>? ReadList(SushiSearchModel? model)
{
_logger.LogInformation("ReadList. SushiName:{SushiName}. Id:{ Id}", model?.SushiName, model?.Id);
var list = model == null ? _sushiStorage.GetFullList() :
_sushiStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count:{Count}", list.Count);
return list;
}
public SushiViewModel? ReadElement(SushiSearchModel model)
{
if(model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation("ReadElement. SushiName:{SushiName}. Id:{ Id}", model.SushiName, model.Id);
var element = _sushiStorage.GetElement(model);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
return element;
}
public bool Create(SushiBindingModel model)
{
CheckModel(model);
if (_sushiStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(SushiBindingModel model)
{
CheckModel(model);
if (_sushiStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(SushiBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id:{Id}", model.Id);
if (_sushiStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
private void CheckModel(SushiBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.SushiName))
{
throw new ArgumentException("Нет названия продукта", nameof(model.SushiName));
}
if (model.Price <= 0)
{
throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
}
var element = _sushiStorage.GetElement(new SushiSearchModel
{
SushiName = model.SushiName
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException("Продукт с таким названием уже есть");
}
}
}
}