109 lines
3.8 KiB
C#
109 lines
3.8 KiB
C#
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using Microsoft.Extensions.Logging;
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using UniversityContracts.BindingModels;
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using UniversityContracts.BusinessLogicsContracts;
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using UniversityContracts.SearchModels;
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using UniversityContracts.StoragesContracts;
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using UniversityContracts.ViewModels;
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namespace UniversityBusinessLogic.BusinessLogics
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{
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public class DirectionLogic : IDirectionLogic
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{
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private readonly ILogger _logger;
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private readonly IDirectionStorage _directionStorage;
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public DirectionLogic(ILogger<DirectionLogic> logger, IDirectionStorage directionStorage)
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{
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_logger = logger;
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_directionStorage = directionStorage;
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}
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public void CreateOrUpdate(DirectionBindingModel model)
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{
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var element = _directionStorage.GetElement(
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new DirectionBindingModel
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{
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Name = model.Name
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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 Exception("Такое направление уже существует");
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}
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if (model.Id != null)
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{
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_directionStorage.Update(model);
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}
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else
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{
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_directionStorage.Insert(model);
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}
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}
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public bool Delete(DirectionBindingModel 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 (_directionStorage.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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public DirectionViewModel? ReadElement(DirectionBindingModel 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. Name:{Name}. Id:{ Id}", model.Name, model.Id);
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var element = _directionStorage.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 List<DirectionViewModel>? ReadList(DirectionBindingModel? model)
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{
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_logger.LogInformation("ReadList. Name:{Name}. Id:{ Id}", model?.Name, model?.Id);
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var list = model == null ? _directionStorage.GetFullList() : _directionStorage.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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private void CheckModel(DirectionBindingModel 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.Name))
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{
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throw new ArgumentNullException("Нет названия направления", nameof(model.Name));
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}
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_logger.LogInformation("Direction. Name:{Name}. Id: {Id} ", model.Name, model.Id);
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var element = _directionStorage.GetElement(new DirectionBindingModel
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{
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Name = model.Name
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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("Направление 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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