106 lines
3.1 KiB
C#
106 lines
3.1 KiB
C#
using RestaurantContracts.BindingModels;
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using RestaurantContracts.BusinessLogicsContracts;
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using RestaurantContracts.SearchModels;
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using RestaurantContracts.StoragesContracts;
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using RestaurantContracts.ViewModels;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace RestaurantBusinessLogic.BusinessLogics
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{
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public class ProviderLogic : IProviderLogic
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{
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private readonly IProviderStorage _providerStorage;
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public ProviderLogic(IProviderStorage providerStorage)
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{
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_providerStorage = providerStorage;
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}
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public bool Delete(ProviderBindingModel model)
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{
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CheckModel(model, false);
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if (_providerStorage.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 bool Create(ProviderBindingModel model)
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{
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CheckModel(model);
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if (_providerStorage.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 Update(ProviderBindingModel model)
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{
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CheckModel(model);
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if (_providerStorage.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(ProviderBindingModel 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 поставщика", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Address))
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{
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throw new ArgumentNullException("Нет адресса", nameof(model.Address));
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}
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var element = _providerStorage.GetElement(new ProviderSearchModel
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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("Поставщик с таким названием уже есть");
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}
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}
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public List<ProviderViewModel>? ReadList(ProviderSearchModel? model)
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{
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var list = (model == null) ? _providerStorage.GetFullList() : _providerStorage.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 ProviderViewModel? ReadElement(ProviderSearchModel 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 = _providerStorage.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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}
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}
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