120 lines
4.1 KiB
C#
120 lines
4.1 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 IDishStorage _DishStorage;
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public DishLogic(ILogger<DishLogic> logger, IDishStorage DishStorage)
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{
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_logger = logger;
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_DishStorage = DishStorage;
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}
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public List<DishViewModel>? ReadList(DishSearchModel? model)
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{
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_logger.LogInformation("ReadList. DishName: {DishName}. Id: {Id}", model?.DishName, model?.Id);
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var list = model == null ? _DishStorage.GetFullList() : _DishStorage.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(DishSearchModel 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 = _DishStorage.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 (_DishStorage.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 (_DishStorage.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 (_DishStorage.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 = 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 блюда", nameof(model.DishName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена блюда должна быть больше 0", nameof(model.Price));
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}
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if (model.DishComponents == null || model.DishComponents.Count == 0)
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{
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throw new ArgumentNullException("Блюдо должно состоять хотя бы из одного компонента");
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}
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_logger.LogInformation("Dish. DishName: {DishName}. Price: {Price}. Id: {Id}", model.DishName, model.Price, model.Id);
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var element = _DishStorage.GetElement(new DishSearchModel
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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("Блюдо 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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