113 lines
3.9 KiB
C#
113 lines
3.9 KiB
C#
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using MotorPlantContracts.BindingModels;
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using MotorPlantContracts.BusinessLogicsContracts;
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using MotorPlantContracts.SearchModels;
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using MotorPlantContracts.StoragesContracts;
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using MotorPlantContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace MotorPlantBusinessLogic.BusinessLogics
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{
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public class EngineLogic : IEngineLogic
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{
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private readonly ILogger _logger;
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private readonly IEngineStorage _EngineStorage;
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public EngineLogic(ILogger<EngineLogic> logger, IEngineStorage EngineStorage)
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{
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_logger = logger;
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_EngineStorage = EngineStorage;
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}
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public List<EngineViewModel>? ReadList(EngineSearchModel? model)
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{
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_logger.LogInformation("ReadList. EngineName:{EngineName}.Id:{Id}", model?.EngineName, model?.Id);
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var list = model == null ? _EngineStorage.GetFullList() : _EngineStorage.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 EngineViewModel? ReadElement(EngineSearchModel 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. EngineName:{EngineName}.Id:{Id}", model.EngineName, model.Id);
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var element = _EngineStorage.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(EngineBindingModel model)
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{
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CheckModel(model);
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if (_EngineStorage.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(EngineBindingModel model)
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{
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CheckModel(model);
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if (_EngineStorage.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(EngineBindingModel 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 (_EngineStorage.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(EngineBindingModel 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.EngineName))
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{
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throw new ArgumentNullException("Нет названия изделия", nameof(model.EngineName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Engine. EngineName:{EngineName}.Price:{Cost}. Id: {Id}", model.EngineName, model.Price, model.Id);
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var element = _EngineStorage.GetElement(new EngineSearchModel
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{
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EngineName = model.EngineName
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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("Изделие 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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