120 lines
4.4 KiB
C#
120 lines
4.4 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 ExcursionLogic : IExcursionLogic
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{
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private readonly ILogger _logger;
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private readonly IExcursionStorage _excursionStorage;
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public ExcursionLogic(ILogger<ExcursionLogic> logger, IExcursionStorage excursionStorage)
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{
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_logger = logger;
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_excursionStorage = excursionStorage;
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}
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public List<ExcursionViewModel>? ReadList(ExcursionSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id: {Id}, ExcursionName: {ExcursionName}, UserId: {UserId}, PlaceId: {PlaceId}.", model?.Id, model?.ExcursionName, model?.UserId, model?.PlaceId);
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var list = (model == null) ? _excursionStorage.GetFullList() : _excursionStorage.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 ExcursionViewModel? ReadElement(ExcursionSearchModel 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. Excursion id: {Id}, Excursion name: {ExcursionName}", model?.Id, model?.ExcursionName);
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var element = _excursionStorage.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(ExcursionBindingModel model)
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{
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CheckModel(model);
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if (_excursionStorage.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(ExcursionBindingModel model)
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{
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CheckModel(model);
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if (_excursionStorage.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(ExcursionBindingModel 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 (_excursionStorage.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(ExcursionBindingModel 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.ExcursionName))
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{
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throw new ArgumentNullException("Нет названия экскурсии", nameof(model.ExcursionName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена экскурсии 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("Excursion. Id: {id}, ExcursionName: {ExcursionName}, Price: {Price}, UserId: {UserId}", model.Id, model.ExcursionName, model.Price, model.UserId);
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var element = _excursionStorage.GetElement(new ExcursionSearchModel
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{
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ExcursionName = model.ExcursionName
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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("Экскурсия 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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