104 lines
3.1 KiB
C#
104 lines
3.1 KiB
C#
using Contracts.BindingModels;
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using Contracts.BusinessLogicContracts;
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using Contracts.SearchModels;
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using Contracts.StorageContracts;
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using Contracts.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 BusinessLogics.BusinessLogics
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{
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public class ProductLogic : IProductLogic
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{
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private readonly IProductStorage _productStorage;
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public ProductLogic(IProductStorage productStorage)
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{
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_productStorage = productStorage;
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}
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public List<ProductViewModel> ReadList(ProductSearchModel? model)
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{
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var list = model == null ? _productStorage.GetFullList() : _productStorage.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 ProductViewModel ReadElement(ProductSearchModel? 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 = _productStorage.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 bool Create(ProductBindingModel model)
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{
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CheckModel(model);
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if (_productStorage.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(ProductBindingModel model)
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{
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CheckModel(model);
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if (_productStorage.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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public bool Delete(ProductBindingModel model)
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{
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CheckModel(model, false);
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if (_productStorage.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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private void CheckModel(ProductBindingModel 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 ArgumentException("Введите название продукта", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Description))
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{
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throw new ArgumentException("Введите описание продукта", nameof(model.Description));
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}
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if (model.Category == null)
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{
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throw new ArgumentException("Введите категорию продукта", nameof(model.Category));
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}
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if (model.CountOnStorage < 0)
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{
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throw new ArgumentException("Укажите валидное число продукта на складе", nameof(model.CountOnStorage));
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}
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}
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}
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}
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