113 lines
4.0 KiB
C#
113 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using TravelCompanyContracts.BindingModels;
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using TravelCompanyContracts.BusinessLogicsContracts;
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using TravelCompanyContracts.SearchModels;
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using TravelCompanyContracts.StoragesContracts;
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using TravelCompanyContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace TravelCompanyBusinessLogic.BusinessLogic
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{
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public class TravelLogic : ITravelLogic
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{
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private readonly ILogger _logger;
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private readonly ITravelStorage _TravelStorage;
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public TravelLogic(ILogger<TravelLogic> logger, ITravelStorage TravelStorage)
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{
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_logger = logger;
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_TravelStorage = TravelStorage;
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}
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public List<TravelViewModel>? ReadList(TravelSearchModel? model)
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{
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_logger.LogInformation("ReadList. TravelName:{TravelName}.Id:{ Id}", model?.TravelName, model?.Id);
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var list = model == null ? _TravelStorage.GetFullList() : _TravelStorage.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 TravelViewModel? ReadElement(TravelSearchModel 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. TravelName:{TravelName}.Id:{ Id}", model.TravelName, model.Id);
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var element = _TravelStorage.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(TravelBindingModel model)
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{
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CheckModel(model);
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if (_TravelStorage.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(TravelBindingModel model)
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{
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CheckModel(model);
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if (_TravelStorage.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(TravelBindingModel 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 (_TravelStorage.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(TravelBindingModel 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.TravelName))
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{
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throw new ArgumentNullException("Нет названия путешествия", nameof(model.TravelName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Travel. TravelName:{TravelName}.Price:{ Price}.Id: { Id}", model.TravelName, model.Price, model.Id);
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var element = _TravelStorage.GetElement(new TravelSearchModel { TravelName = model.TravelName });
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Путешествие 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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