128 lines
3.5 KiB
C#
128 lines
3.5 KiB
C#
using ForumContracts.BindingModels;
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using ForumContracts.BusinessLogicContracts;
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using ForumContracts.SearchModels;
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using ForumContracts.StorageContracts;
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using ForumContracts.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 ForumBusinessLogic.BusinessLogic
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{
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public class AnswerLogic : IAnswerLogic
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{
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private readonly ILogger _logger;
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private readonly IAnswerStorage _commentStorage;
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public AnswerLogic(ILogger<AnswerLogic> logger, IAnswerStorage answerStorage)
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{
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_logger = logger;
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_commentStorage = answerStorage;
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}
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public bool Create(AnswerBindingModel model)
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{
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CheckModel(model);
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if (_commentStorage.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(AnswerBindingModel 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 (_commentStorage.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 AnswerViewModel? ReadElement(AnswerSearchModel 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. AnswerDes:{AnswerDes}.Id:{ Id}", model.Comment, model.Id);
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var element = _commentStorage.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<AnswerViewModel>? ReadList(AnswerSearchModel? model)
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{
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_logger.LogInformation("ReadList. AnswerDes:{AnswerDes}.Id:{ Id}", model?.Comment, model?.Id);
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var list = model == null ? _commentStorage.GetFullList() : _commentStorage.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(AnswerBindingModel model)
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{
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CheckModel(model);
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if (_commentStorage.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(AnswerBindingModel 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.Comment))
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{
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throw new ArgumentNullException("Нет ответа", nameof(model.Comment));
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}
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_logger.LogInformation("Answer. AnswerDes:{AnswerDes}.ResponseDate:{ ResponseDate}. Id: { Id}", model.Comment, model.ResponseDate, model.Id);
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}
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}
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}
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