112 lines
3.9 KiB
C#
112 lines
3.9 KiB
C#
using FoodOrdersContracts.BindingModels;
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using FoodOrdersContracts.BusinessLogicsContracts;
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using FoodOrdersContracts.SearchModels;
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using FoodOrdersContracts.StoragesContracts;
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using FoodOrdersContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace FoodOrdersBusinessLogic.BusinessLogics
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{
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public class DishLogic : IDishLogic
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{
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private readonly ILogger _logger;
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private readonly IDishestorage _Dishestorage;
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public DishLogic(ILogger<DishLogic> logger, IDishestorage
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Dishestorage)
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{
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_logger = logger;
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_Dishestorage = Dishestorage;
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}
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public List<DishViewModel>? ReadList(DishesearchModel? model)
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{
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_logger.LogInformation("ReadList. DishName:{DishName}. Id:{Id}",
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model?.DishName, model?.Id);
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var list = model == null ? _Dishestorage.GetFullList() :
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_Dishestorage.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 DishViewModel? ReadElement(DishesearchModel 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. DishName:{DishName}. Id:{Id}", model.DishName, model.Id);
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var element = _Dishestorage.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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_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(DishBindingModel model)
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{
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CheckModel(model);
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if (_Dishestorage.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(DishBindingModel model)
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{
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CheckModel(model);
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if (_Dishestorage.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(DishBindingModel 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 (_Dishestorage.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(DishBindingModel model, bool withParams =
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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.DishName))
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{
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throw new ArgumentNullException("Нет названия компонента",
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nameof(model.DishName));
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}
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if (model.Cost <= 0)
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{
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throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Cost));
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}
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_logger.LogInformation("Dish. DishName:{DishName}. Cost:{ Cost}. Id:{Id}", model.DishName, model.Cost, model.Id);
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var element = _Dishestorage.GetElement(new DishesearchModel
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{
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DishName = model.DishName
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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("Компонент с таким названием уже есть");
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}
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}
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}
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} |