100 lines
3.8 KiB
C#
100 lines
3.8 KiB
C#
using ElectronicsShopContracts.BindingModels;
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using ElectronicsShopContracts.BusinessLogicContracts;
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using ElectronicsShopContracts.SearchModels;
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using ElectronicsShopContracts.StorageContracts;
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using ElectronicsShopContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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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 ElectronicsShopBusinessLogic.BusinessLogic
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{
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public class ProductLogic : IProductLogic
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{
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private readonly ILogger _logger;
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private readonly IProductStorage _storage;
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public ProductLogic(ILogger<ProductLogic> logger, IProductStorage productStorage) {
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_logger = logger;
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_storage = productStorage;
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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 (_storage.Insert(model) == null) {
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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 Delete(ProductBindingModel model)
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{
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CheckModel(model, false);
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_logger.LogInformation($"Delete. ID:{model.ID}");
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if (_storage.Delete(model) == null) {
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_logger.LogWarning("Delete operation failed");
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return false;
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}
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return true;
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}
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public bool Update(ProductBindingModel model)
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{
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CheckModel(model);
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if (_storage.Update(model) == null)
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{
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_logger.LogWarning("Update operation failed");
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return false;
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}
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return true;
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}
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public ProductViewModel? ReadElement(ProductSearchModel? model)
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{
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if (model == null) throw new ArgumentNullException(nameof(model));
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_logger.LogInformation($"ReadElement. ProductName:{model.ProductName}. ID:{model.ID}");
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var element = _storage.GetElement(model);
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if (element == null)
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{
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_logger.LogWarning("ReadElement. elementn not found");
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return null;
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}
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_logger.LogInformation($"ReadElement find. ID:{element.ID}");
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return element;
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}
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public List<ProductViewModel>? ReadList(ProductSearchModel? model)
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{
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_logger.LogInformation($"ReadList. ProductName:{model?.ProductName}. ID:{model?.ID}");
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var list = model == null ? _storage.GetFullList() : _storage.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($"ReadList. Count:{list.Count}");
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return list;
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}
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private void CheckModel(ProductBindingModel model, bool withParams = true)
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{
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if (model == null) throw new ArgumentNullException(nameof(model));
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if (!withParams) return;
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if (string.IsNullOrEmpty(model.ProductName))
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throw new ArgumentNullException("Нет названия продукта", nameof(model.ProductName));
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if (model.Price <= 0)
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throw new ArgumentNullException("Цена продукта должна быть больше 0", nameof(model.Price));
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_logger.LogInformation($"Product. ID:{model.ID}.ProductName:{model.ProductName}.Price:{model.Price}.Count:{model.Count}" +
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$".CategoryID:{model.CategoryID}");
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var element = _storage.GetElement(new ProductSearchModel { ProductName = model.ProductName });
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if (element != null && element.ID != model.ID)
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throw new InvalidOperationException("Продукт с таким названием уже есть");
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}
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}
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}
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