112 lines
4.2 KiB
C#
112 lines
4.2 KiB
C#
using Microsoft.Extensions.Logging;
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using SushiBarContracts.BindingModels;
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using SushiBarContracts.BusinessLogicsContracts;
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using SushiBarContracts.SearchModels;
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using SushiBarContracts.StoragesContracts;
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using SushiBarContracts.ViewModels;
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namespace SushiBarBusinessLogic.BusinessLogics
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{
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public class IngredientLogic : IIngredientLogic
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{
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private readonly ILogger _logger;
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private readonly IIngredientStorage _componentStorage;
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public IngredientLogic(ILogger<IngredientLogic> logger, IIngredientStorage componentStorage)
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{
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_logger = logger;
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_componentStorage = componentStorage;
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}
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public List<IngredientViewModel>? ReadList(IngredientSearchModel? model)
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{
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_logger.LogInformation("ReadList. IngredientName: {IngredientName}. Id: {Id}",
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model?.IngredientName, model?.Id);
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var list = model == null ? _componentStorage.GetFullList() :
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_componentStorage.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 IngredientViewModel? ReadElement(IngredientSearchModel 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. IngredientName: {IngredientName}. Id: {Id}",
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model.IngredientName, model.Id);
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var element = _componentStorage.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 bool Create(IngredientBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.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 Update(IngredientBindingModel model)
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{
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CheckModel(model);
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if (_componentStorage.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 bool Delete(IngredientBindingModel 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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{
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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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private void CheckModel(IngredientBindingModel 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.IngredientName))
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{
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throw new ArgumentNullException("Нет названия ингредиента", nameof(model.IngredientName));
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}
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if (model.Cost <= 0)
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{
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throw new ArgumentNullException("Цена ингредиента должна быть больше 0",
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nameof(model.Cost));
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}
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_logger.LogInformation("Ingredient. IngredientName: {IngredientName}. Cost: {Cost}. Id: {Id}",
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model.IngredientName, model.Cost, model.Id);
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var element = _componentStorage.GetElement(new IngredientSearchModel
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{
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IngredientName = model.IngredientName
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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("Ингридиент с таким названием уже есть");
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}
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}
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}
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} |