107 lines
3.8 KiB
C#
107 lines
3.8 KiB
C#
using Microsoft.Extensions.Logging;
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using SushiBarContracts.BindingModels;
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using SushiBarContracts.BusinessLogicsContracts;
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using SushiBarContracts.SearchModels;
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using SushiBarContracts.StoragesContracts;
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using SushiBarContracts.ViewModels;
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namespace SushiBarBusinessLogic.BusinessLogics
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{
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public class ProductLogic : IProductLogic
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{
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private readonly ILogger _logger;
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private readonly IProductStorage _productStorage;
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public ProductLogic(ILogger logger, IProductStorage productStorage)
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{
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_logger = logger;
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_productStorage = productStorage;
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}
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public List<ProductViewModel>? ReadList(ProductSearchModel? model)
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{
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_logger.LogInformation("ReadList. ProductName:{ProductName}. Id:{ Id}", model?.ProductName, model?.Id);
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var list = model == null ? _productStorage.GetFullList() :
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_productStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList return null list");
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return null;
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}
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_logger.LogInformation("ReadList. Count:{Count}", list.Count);
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return list;
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}
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public ProductViewModel? ReadElement(ProductSearchModel model)
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{
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if(model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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_logger.LogInformation("ReadElement. ProductName:{ProductName}. Id:{ Id}", model.ProductName, model.Id);
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var element = _productStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement element not found");
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return null;
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}
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return element;
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}
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public bool Create(ProductBindingModel model)
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{
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CheckModel(model);
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if (_productStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert operation failed");
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return false;
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}
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return true;
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}
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public bool Update(ProductBindingModel model)
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{
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CheckModel(model);
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if (_productStorage.Update(model) == null)
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{
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_logger.LogWarning("Update operation failed");
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return false;
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}
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return true;
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}
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public bool Delete(ProductBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation("Delete. Id:{Id}", model.Id);
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if (_productStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete operation failed");
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return false;
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}
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return true;
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}
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private void CheckModel(ProductBindingModel model, bool withParams = true)
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{
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if (model == null)
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{
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throw new ArgumentNullException(nameof(model));
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}
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if (!withParams)
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{
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return;
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}
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if (string.IsNullOrEmpty(model.ProductName))
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{
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throw new ArgumentException("Нет названия продукта", nameof(model.ProductName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
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}
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var element = _productStorage.GetElement(new ProductSearchModel
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{
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ProductName = model.ProductName
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});
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Продукт с таким названием уже есть");
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}
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}
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}
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}
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