115 lines
4.1 KiB
C#
115 lines
4.1 KiB
C#
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.BusinessLogicsContracts;
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using ConfectioneryContracts.SearchModels;
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using ConfectioneryContracts.StoragesContracts;
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using ConfectioneryContracts.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 ConfectioneryBusinessLogic.BusinessLogics
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{
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public class SweetsLogic : ISweetsLogic
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{
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private readonly ILogger _logger;
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private readonly ISweetsStorage _sweetsStorage;
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public SweetsLogic(ILogger<SweetsLogic> logger, ISweetsStorage sweetsStorage)
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{
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_logger = logger;
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_sweetsStorage = sweetsStorage;
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}
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public List<SweetsViewModel>? ReadList(SweetsSearchModel? model)
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{
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_logger.LogInformation("ReadList. SushiName: {SushiName}. Id: {Id}", model?.SweetsName, model?.Id);
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var list = model == null ? _sweetsStorage.GetFullList() :
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_sweetsStorage.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 SweetsViewModel? ReadElement(SweetsSearchModel 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. SushiName: {SushiName}. Id: {Id}", model.SweetsName, model.Id);
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var element = _sweetsStorage.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(SweetsBindingModel model)
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{
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CheckModel(model);
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if (_sweetsStorage.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(SweetsBindingModel model)
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{
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CheckModel(model);
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if (_sweetsStorage.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(SweetsBindingModel 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 (_sweetsStorage.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(SweetsBindingModel 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.SweetsName))
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{
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throw new ArgumentNullException("Нет названия сладости", nameof(model.SweetsName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена сладости должна быть больше 0",
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nameof(model.Price));
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}
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_logger.LogInformation("Sweets. SweetsName: {SweetsName}. Cost: {Cost}. Id: {Id}", model.SweetsName, model.Price, model.Id);
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var element = _sweetsStorage.GetElement(new SweetsSearchModel
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{
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SweetsName = model.SweetsName
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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("Сладости 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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