114 lines
4.0 KiB
C#
114 lines
4.0 KiB
C#
using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.BusinessLogicsContracts;
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using ComputerHardwareStoreContracts.SearchModels;
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using ComputerHardwareStoreContracts.StorageContracts;
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using ComputerHardwareStoreContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
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{
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public class ComponentLogic : IComponentLogic
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{
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private readonly ILogger _logger;
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private readonly IComponentStorage _componentStorage;
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public ComponentLogic(ILogger<ComponentLogic> logger, IComponentStorage componentStorage)
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{
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_logger = logger;
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_componentStorage = componentStorage;
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}
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public List<ComponentViewModel>? ReadList(ComponentSearchModel? model)
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{
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_logger.LogInformation("ReadList Component. Name:{Name}. Id:{ Id}", model?.Name, model?.Id);
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var list = model == null ? _componentStorage.GetFullList() :
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_componentStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList Component return null list");
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return null;
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}
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_logger.LogInformation("ReadList Component. Count:{Count}", list.Count);
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return list;
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}
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public ComponentViewModel? ReadElement(ComponentSearchModel 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 Component. Name:{Name}. Id:{ Id}", model.Name, model.Id);
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var element = _componentStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement Component element not found");
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return null;
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}
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_logger.LogInformation("ReadElement Component find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(ComponentBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert Component 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(ComponentBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.Update(model) == null)
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{
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_logger.LogWarning("Update Component 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(ComponentBindingModel 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 (_componentStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete Component 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(ComponentBindingModel 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.Name))
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{
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throw new ArgumentNullException("Нет названия компонента", nameof(model.Name));
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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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var element = _componentStorage.GetElement(new ComponentSearchModel
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{
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Name = model.Name
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});
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if (element != null)
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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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}
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