102 lines
3.4 KiB
C#
102 lines
3.4 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 PurchaseLogic : IPurchaseLogic
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{
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private readonly ILogger _logger;
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private readonly IPurchaseStorage _purchaseStorage;
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public PurchaseLogic(ILogger<PurchaseLogic> logger, IPurchaseStorage purchaseStorage)
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{
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_logger = logger;
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_purchaseStorage = purchaseStorage;
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}
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public List<PurchaseViewModel>? ReadList(PurchaseSearchModel? model)
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{
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_logger.LogInformation("ReadList Purchase. Id:{ Id}", model?.Id);
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var list = model == null ? _purchaseStorage.GetFullList() :
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_purchaseStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList Purchase return null list");
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return null;
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}
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_logger.LogInformation("ReadList Purchase. Count:{Count}", list.Count);
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return list;
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}
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public PurchaseViewModel? ReadElement(PurchaseSearchModel 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 Purchase. Id:{ Id}", model.Id);
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var element = _purchaseStorage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement Purchase element not found");
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return null;
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}
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_logger.LogInformation("ReadElement Purchase find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(PurchaseBindingModel model)
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{
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CheckModel(model);
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if (_purchaseStorage.Insert(model) == null)
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{
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_logger.LogWarning("Insert Purchase 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(PurchaseBindingModel model)
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{
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CheckModel(model);
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if (_purchaseStorage.Update(model) == null)
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{
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_logger.LogWarning("Update Purchase 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(PurchaseBindingModel 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 (_purchaseStorage.Delete(model) == null)
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{
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_logger.LogWarning("Delete Purchase 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(PurchaseBindingModel 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 (model.Cost <= 0)
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{
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throw new ArgumentNullException("Стоимость покупки должна быть больше 0", nameof(model.Cost));
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}
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}
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}
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}
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