113 lines
4.1 KiB
C#
113 lines
4.1 KiB
C#
using FlowerShopContracts.BindingModels;
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using FlowerShopContracts.BusinessLogicsContracts;
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using FlowerShopContracts.SearchModels;
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using FlowerShopContracts.StoragesContracts;
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using FlowerShopContracts.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 FlowerShopBusinessLogic.BusinessLogic
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{
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public class FlowerLogic : IFlowerLogic
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{
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private readonly ILogger _logger;
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private readonly IFlowerStorage _flowerStorage;
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public FlowerLogic(ILogger<FlowerLogic> logger, IFlowerStorage flowerStorage)
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{
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_logger = logger;
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_flowerStorage = flowerStorage;
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}
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public List<FlowerViewModel>? ReadList(FlowerSearchModel? model)
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{
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_logger.LogInformation("ReadList. FlowerName:{FlowerName}.Id:{ Id}", model?.FlowerName, model?.Id);
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var list = model == null ? _flowerStorage.GetFullList() : _flowerStorage.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 FlowerViewModel? ReadElement(FlowerSearchModel 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. FlowerName:{FlowerName}.Id:{ Id}", model.FlowerName, model.Id);
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var element = _flowerStorage.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(FlowerBindingModel model)
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{
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CheckModel(model);
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if (_flowerStorage.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(FlowerBindingModel model)
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{
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CheckModel(model);
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if (_flowerStorage.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(FlowerBindingModel 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 (_flowerStorage.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(FlowerBindingModel 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.FlowerName))
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{
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throw new ArgumentNullException("Нет названия цветка", nameof(model.FlowerName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена цветка должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Flower. FlowerName:{FlowerName}.Cost:{ Cost}. Id: { Id}", model.FlowerName, model.Price, model.Id);
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var element = _flowerStorage.GetElement(new FlowerSearchModel
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{
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FlowerName = model.FlowerName
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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("Компонент с таким названием уже есть");
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}
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}
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}
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}
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