120 lines
4.1 KiB
C#
120 lines
4.1 KiB
C#
using Microsoft.Extensions.Logging;
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using TravelAgencyContracts.BindingModels;
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using TravelAgencyContracts.BusinessLogicsContracts;
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using TravelAgencyContracts.SearchModels;
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using TravelAgencyContracts.StoragesContracts;
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using TravelAgencyContracts.ViewModels;
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namespace TravelAgencyBusinessLogic.BusinessLogics
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{
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public class TripLogic : ITripLogic
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{
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private readonly ILogger _logger;
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private readonly ITripStorage _tripStorage;
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public TripLogic(ILogger<TripLogic> logger, ITripStorage tripStorage)
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{
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_logger = logger;
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_tripStorage = tripStorage;
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}
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public List<TripViewModel>? ReadList(TripSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id: {Id}, TripName: {TripName}, GuideId: {GuideId}.", model?.Id, model?.TripName, model?.GuideId);
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var list = (model == null) ? _tripStorage.GetFullList() : _tripStorage.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 TripViewModel? ReadElement(TripSearchModel 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. Trip id: {Id}, Trip name: {TripName}", model?.Id, model?.TripName);
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var element = _tripStorage.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(TripBindingModel model)
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{
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CheckModel(model);
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if (_tripStorage.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(TripBindingModel model)
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{
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CheckModel(model);
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if (_tripStorage.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(TripBindingModel 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 (_tripStorage.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(TripBindingModel 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.TripName))
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{
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throw new ArgumentNullException("Нет названия поездки", nameof(model.TripName));
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}
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if (model.TripDate == DateTime.MinValue)
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{
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throw new ArgumentNullException("Нет даты поездки", nameof(model.TripDate));
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}
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if (model.GuideId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор гида", nameof(model.GuideId));
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}
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_logger.LogInformation("Trip. Id: {id}, TripName: {TripName}, GuideId: {GuideId}", model.Id, model.TripName, model.GuideId);
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var element = _tripStorage.GetElement(new TripSearchModel
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{
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TripName = model.TripName
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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("Поездка 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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