118 lines
3.0 KiB
C#
118 lines
3.0 KiB
C#
using ComputerShopContracts.BindingModels;
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using ComputerShopContracts.BusinessLogicContracts;
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using ComputerShopContracts.SearchModels;
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using ComputerShopContracts.StorageContracts;
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using ComputerShopContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace ComputerShopBusinessLogic.BusinessLogics
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{
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public class AssemblyLogic : IAssemblyLogic
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{
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private readonly ILogger _logger;
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private readonly IAssemblyStorage _assemblyStorage;
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public AssemblyLogic(ILogger<AssemblyLogic> Logger, IAssemblyStorage AssemblyStorage)
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{
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_logger = Logger;
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_assemblyStorage = AssemblyStorage;
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}
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public List<AssemblyViewModel>? ReadList(AssemblySearchModel? Model)
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{
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var List = (Model == null) ? _assemblyStorage.GetFullList() : _assemblyStorage.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 AssemblyViewModel? ReadElement(AssemblySearchModel Model)
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{
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if (Model == null)
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throw new ArgumentNullException(nameof(Model));
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var Element = _assemblyStorage.GetElement(Model);
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if (Element == null)
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{
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_logger.LogWarning("ReadElement Assembly not found");
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return null;
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}
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_logger.LogInformation("ReadElement Assembly found. Id: {Id}", Element.Id);
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return Element;
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}
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public bool Create(AssemblyBindingModel Model)
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{
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CheckModel(Model);
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if (_assemblyStorage.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(AssemblyBindingModel Model)
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{
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CheckModel(Model);
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if (_assemblyStorage.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(AssemblyBindingModel 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 (_assemblyStorage.Delete(Model) is 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(AssemblyBindingModel Model, bool WithParams = true)
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{
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if (Model == null)
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throw new ArgumentNullException(nameof(Model));
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if (!WithParams)
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return;
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if (string.IsNullOrEmpty(Model.AssemblyName))
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throw new ArgumentException($"У сборки отсутствует название");
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if (string.IsNullOrEmpty(Model.Category))
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throw new ArgumentException($"У сборки отсутствует категория");
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if (Model.Price <= 0)
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throw new ArgumentException("Цена сборки должна быть больше 0", nameof(Model.Price));
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var Element = _assemblyStorage.GetElement(new AssemblySearchModel
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{
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AssemblyName = Model.AssemblyName
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});
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if (Element != null && Element.Id != Model.Id)
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throw new InvalidOperationException("Товар с таким названием уже есть");
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}
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}
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}
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