107 lines
3.9 KiB
C#
107 lines
3.9 KiB
C#
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using Microsoft.Extensions.Logging;
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using PizzeriaContracts.BindingModels;
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using PizzeriaContracts.BusinessLogicsContracts;
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using PizzeriaContracts.SearchModels;
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using PizzeriaContracts.StorageContracts;
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using PizzeriaContracts.ViewModels;
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namespace PizzeriaBusinessLogic.BusinessLogic
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{
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public class PizzaLogic : IPizzaLogic
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{
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private readonly ILogger _logger;
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private readonly IPizzaStorage _PizzaStorage;
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public PizzaLogic(ILogger<PizzaLogic> logger, IPizzaStorage PizzaStorage)
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{
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_logger = logger;
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_PizzaStorage = PizzaStorage;
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}
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public List<PizzaViewModel>? ReadList(PizzaSearchModel? model)
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{
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_logger.LogInformation("ReadList. PizzaName:{PizzaName}.Id:{ Id}", model?.PizzaName, model?.Id);
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var list = model == null ? _PizzaStorage.GetFullList() :
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_PizzaStorage.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 PizzaViewModel? ReadElement(PizzaSearchModel 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. PizzaName:{PizzaName}.Id:{ Id} ", model.PizzaName, model.Id);
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var element = _PizzaStorage.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(PizzaBindingModel model)
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{
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CheckModel(model);
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if (_PizzaStorage.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(PizzaBindingModel model)
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{
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CheckModel(model);
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if (_PizzaStorage.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(PizzaBindingModel 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 (_PizzaStorage.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(PizzaBindingModel 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.PizzaName))
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{
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throw new ArgumentNullException("Нет названия продукта", nameof(model.PizzaName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Pizza. PizzaName:{PizzaName}.Price:{ Price}. Id: { Id}", model.PizzaName, model.Price, model.Id);
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var element = _PizzaStorage.GetElement(new PizzaSearchModel { PizzaName = model.PizzaName });
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Продукт 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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