97 lines
3.8 KiB
C#
97 lines
3.8 KiB
C#
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using DinerContracts.BindingModels;
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using DinerContracts.BusinessLogicsContacts;
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using DinerContracts.SearchModels;
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using DinerContracts.StoragesContracts;
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using DinerContracts.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.ComponentModel;
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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 DineryBusinessLogic.BusinessLogic
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{
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public class FoodLogic : IFoodLogic
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{
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private readonly ILogger _logger;
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private readonly IFoodStorage _componentStorage;
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public FoodLogic(ILogger<FoodLogic> logger, IFoodStorage componentStorage) {
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_logger = logger;
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_componentStorage = componentStorage;
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}
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public bool Create(FoodBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.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(FoodBindingModel 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 (_componentStorage.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 FoodViewModel? ReadElement(FoodSearchModel model)
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{
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if (model == null) throw new ArgumentNullException(nameof(model));
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_logger.LogInformation("ReadElement. ComponentName:{ComponentName}. ID:{ID}", model.ComponentName, model.ID);
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var element = _componentStorage.GetElement(model);
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if (element == null) {
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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<FoodViewModel>? ReadList(FoodSearchModel? model)
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{
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_logger.LogInformation("ReadList. ComponentName:{ComponentName}. ID:{ID}", model?.ComponentName, model?.ID);
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var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(model);
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if (list == null) {
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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(FoodBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.Update(model) == null) {
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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(FoodBindingModel model, bool withParams = true) {
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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.ComponentName))
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throw new ArgumentNullException("Нет названия компонента", nameof(model.ComponentName));
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if (model.Price <= 0)
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throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Price));
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_logger.LogInformation("Component. ComponentName:{ComponentName}. Price:{Price}. ID:{ID}",
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model.ComponentName, model.Price, model.ID);
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var element = _componentStorage.GetElement(new FoodSearchModel { ComponentName = model.ComponentName });
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if (element != null && element.ID != model.ID)
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throw new InvalidOperationException("Компонент с таким названием уже есть");
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}
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}
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}
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