108 lines
3.6 KiB
C#
108 lines
3.6 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 VendorLogic : IVendorLogic
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{
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private readonly ILogger _logger;
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private readonly IVendorStorage _vendorStorage;
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public VendorLogic(ILogger<VendorLogic> logger, IVendorStorage vendorStorage)
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{
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_logger = logger;
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_vendorStorage = vendorStorage;
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}
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public List<VendorViewModel>? ReadList(VendorSearchModel? model)
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{
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_logger.LogInformation("ReadList. Login:{Login}.Id:{Id}", model?.Login, model?.Id);
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var list = model == null ? _vendorStorage.GetFullList() : _vendorStorage.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 VendorViewModel? ReadElement(VendorSearchModel 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. Login:{Login}.Id:{Id}", model.Login, model.Id);
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var element = _vendorStorage.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(VendorBindingModel model)
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{
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CheckModel(model);
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if (_vendorStorage.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(VendorBindingModel model)
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{
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CheckModel(model);
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if (_vendorStorage.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(VendorBindingModel 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 (_vendorStorage.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(VendorBindingModel 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.Login))
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{
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throw new ArgumentNullException("Нет логина работника", nameof(model.Login));
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}
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var element = _vendorStorage.GetElement(new VendorSearchModel
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{
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Login = model.Login
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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("Работник с таким логином уже есть");
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}
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}
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}
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}
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