96 lines
2.8 KiB
C#
96 lines
2.8 KiB
C#
using BeautySaloonContracts.BindingModels;
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using BeautySaloonContracts.BusinessLogicsContracts;
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using BeautySaloonContracts.SearchModels;
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using BeautySaloonContracts.StoragesContracts;
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using BeautySaloonContracts.ViewModels;
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namespace BeautySaloonBusinessLogic
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{
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public class ServiceLogic : IServiceLogic
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{
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private readonly IServiceStorage _serviceStorage;
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public ServiceLogic(IServiceStorage serviceStorage)
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{
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_serviceStorage = serviceStorage;
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}
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public bool Create(ServiceBindingModel model)
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{
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CheckModel(model);
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if (_serviceStorage.Insert(model) == null)
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{
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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(ServiceBindingModel model)
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{
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CheckModel(model, false);
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if (_serviceStorage.Delete(model) == null)
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{
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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 ServiceViewModel? ReadElement(ServiceSearchModel 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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var element = _serviceStorage.GetElement(model);
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if (element == null)
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{
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return null;
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}
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return element;
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}
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public List<ServiceViewModel>? ReadList(ServiceSearchModel? model)
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{
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var list = model == null ? _serviceStorage.GetFullList() :
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_serviceStorage.GetFilteredList(model);
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if (list == null)
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{
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return null;
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}
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return list;
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}
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public bool Update(ServiceBindingModel model)
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{
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CheckModel(model);
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if (_serviceStorage.Update(model) == null)
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{
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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(ServiceBindingModel 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 у услуги", nameof(model.Name));
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}
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var element = _serviceStorage.GetElement(new ServiceSearchModel
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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("Услуга 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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