143 lines
4.0 KiB
C#
143 lines
4.0 KiB
C#
using GiftShopContracts.BindingModels;
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using GiftShopContracts.BusinessLogicsContracts;
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using GiftShopContracts.SearchModels;
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using GiftShopContracts.StoragesContracts;
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using GiftShopContracts.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 GiftShopBusinessLogic.BusinessLogics
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{
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public class GiftLogic: IGiftLogic
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{
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private readonly ILogger _logger;
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private readonly IGiftStorage _giftStorage;
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public GiftLogic(ILogger<GiftLogic> logger, IGiftStorage giftStorage)
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{
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_logger = logger;
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_giftStorage = giftStorage;
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}
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public bool Create(GiftBindingModel model)
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{
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CheckModel(model);
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if (_giftStorage.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 Delete(GiftBindingModel 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 (_giftStorage.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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public GiftViewModel? ReadElement(GiftSearchModel 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. GiftName:{GiftName}.Id:{ Id}", model.GiftName, model.Id);
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var element = _giftStorage.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 List<GiftViewModel>? ReadList(GiftSearchModel? model)
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{
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_logger.LogInformation("ReadList. GiftName:{GiftName}.Id:{ Id}", model?.GiftName, model?.Id);
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var list = model == null ? _giftStorage.GetFullList() : _giftStorage.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 bool Update(GiftBindingModel model)
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{
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CheckModel(model);
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if (_giftStorage.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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private void CheckModel(GiftBindingModel 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.GiftName))
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{
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throw new ArgumentNullException("Нет названия изделия", nameof(model.GiftName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("Gift. GiftName:{GiftName}.Price:{ Cost}. Id: { Id}", model.GiftName, model.Price, model.Id);
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var element = _giftStorage.GetElement(new GiftSearchModel
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{
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GiftName = model.GiftName
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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("Изделие 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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