136 lines
4.3 KiB
C#
136 lines
4.3 KiB
C#
using CanteenContracts.BindingModels;
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using CanteenContracts.BusinessLogicsContracts;
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using CanteenContracts.SearchModel;
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using CanteenContracts.StoragesContracts;
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using CanteenContracts.View;
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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 CanteenBusinessLogic.BusinessLogics
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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 _productStorage;
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public ProductLogic(ILogger<ProductLogic> logger, IProductStorage productStorage)
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{
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_logger = logger;
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_productStorage = 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 (_productStorage.Insert(model) == null)
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{
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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: {Id}", model.Id);
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if (_productStorage.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 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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_logger.LogInformation("ReadElement. ProductName: {ProductName}. Id: {Id}", model.ProductName, model.Id);
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var element = _productStorage.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<ProductViewModel>? ReadList(ProductSearchModel? model)
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{
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_logger.LogInformation("ReadList. ProductName: {ProductName}. Id: {Id}", model?.ProductName, model?.Id);
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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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_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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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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_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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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.ProductName))
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{
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throw new ArgumentNullException("Нет названия продукта", nameof(model.ProductName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена должна быть быть больше 0", nameof(model.Price));
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}
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if (model.ManagerId <= 0)
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{
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throw new ArgumentNullException("id менеджера должен быть больше 0", nameof(model.ManagerId));
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}
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_logger.LogInformation("Product. ProductName: {ProductName}. Price: {Price}. ManagerId: {ManagerId}. Id: {Id}", model.ProductName, model.Price, model.ManagerId, model.Id);
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var element = _productStorage.GetElement(new ProductSearchModel { ProductName = model.ProductName });
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Такое продукт уже есть");
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}
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}
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}
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}
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