119 lines
4.1 KiB
C#
119 lines
4.1 KiB
C#
using BarContracts.BindingModels;
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using BarContracts.BusinessLogicsContracts;
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using BarContracts.SearchModels;
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using BarContracts.StoragesContracts;
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using BarContracts.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 BarBusinessLogic.BusinessLogics
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{
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public class CocktailLogic : ICocktailLogic
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{
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private readonly ILogger _logger;
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private readonly ICocktailStorage _cocktailStorage;
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public CocktailLogic(ILogger<CocktailLogic> logger, ICocktailStorage cocktailStorage)
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{
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_logger = logger;
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_cocktailStorage = cocktailStorage;
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}
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public List<CocktailViewModel>? ReadList(CocktailSearchModel? model)
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{
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_logger.LogInformation("ReadList. CocktailName:{CocktailName}. Id:{ Id}", model?.CocktailName, model?.Id);
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var list = model == null ? _cocktailStorage.GetFullList() : _cocktailStorage.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 CocktailViewModel? ReadElement(CocktailSearchModel 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. CocktailName:{CocktailName}.Id:{ Id}", model.CocktailName, model.Id);
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var element = _cocktailStorage.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(CocktailBindingModel model)
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{
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CheckModel(model);
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if (_cocktailStorage.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(CocktailBindingModel model)
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{
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CheckModel(model);
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if (_cocktailStorage.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(CocktailBindingModel 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 (_cocktailStorage.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(CocktailBindingModel model, bool withParams =
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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.CocktailName))
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{
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throw new ArgumentNullException("Нет названия компонента",
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nameof(model.CocktailName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Cocktail. CocktailName:{CocktailName}.Cost:{ Cost}. Id: { Id}", model.CocktailName, model.Price, model.Id);
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var element = _cocktailStorage.GetElement(new CocktailSearchModel
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{
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CocktailName = model.CocktailName
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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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