124 lines
4.3 KiB
C#
124 lines
4.3 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 TourLogic : ITourLogic
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{
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private readonly ILogger _logger;
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private readonly ITourStorage _tourStorage;
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public TourLogic(ILogger<TourLogic> logger, ITourStorage tourStorage)
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{
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_logger = logger;
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_tourStorage = tourStorage;
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}
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public List<TourViewModel>? ReadList(TourSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id: {Id}, TourName: {TourName}, UserId: {UserId}.", model?.Id, model?.TourName, model?.UserId);
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var list = (model == null) ? _tourStorage.GetFullList() : _tourStorage.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 TourViewModel? ReadElement(TourSearchModel 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. Tour id: {Id}, Tour name: {TourName}", model?.Id, model?.TourName);
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var element = _tourStorage.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(TourBindingModel model)
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{
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CheckModel(model);
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if (_tourStorage.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(TourBindingModel model)
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{
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CheckModel(model);
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if (_tourStorage.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(TourBindingModel 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 (_tourStorage.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(TourBindingModel 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.TourName))
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{
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throw new ArgumentNullException("Нет названия тура", nameof(model.TourName));
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}
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if (model.TourDate == DateTime.MinValue)
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{
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throw new ArgumentNullException("Нет даты тура", nameof(model.TourDate));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена тура должна быть больше 0", nameof(model.Price));
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}
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if (model.UserId <= 0)
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{
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throw new ArgumentNullException("Некорректный идентификатор пользователя", nameof(model.UserId));
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}
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_logger.LogInformation("Tour. Id: {id}, TourName: {TourName}, Price: {Price}, UserId: {UserId}", model.Id, model.TourName, model.Price, model.UserId);
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var element = _tourStorage.GetElement(new TourSearchModel
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{
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TourName = model.TourName
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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("Тур 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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