102 lines
3.4 KiB
C#
102 lines
3.4 KiB
C#
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using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.BusinessLogicsContracts;
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using ComputerHardwareStoreContracts.SearchModels;
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using ComputerHardwareStoreContracts.StorageContracts;
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using ComputerHardwareStoreContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace ComputerHardwareStoreBusinessLogic.BusinessLogic
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{
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public class CommentLogic : ICommentLogic
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{
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private readonly ILogger _logger;
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private readonly ICommentStorage _commentStorage;
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public CommentLogic(ILogger<CommentLogic> logger, ICommentStorage commentStorage)
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{
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_logger = logger;
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_commentStorage = commentStorage;
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}
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public List<CommentViewModel>? ReadList(CommentSearchModel? model)
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{
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_logger.LogInformation("ReadList Comment. Date:{Date}. Id:{Id}", model?.Date, model?.Id);
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var list = model == null ? _commentStorage.GetFullList() :
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_commentStorage.GetFilteredList(model);
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if (list == null)
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{
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_logger.LogWarning("ReadList Comment return null list");
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return null;
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}
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_logger.LogInformation("ReadList Comment. Count:{Count}", list.Count);
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return list;
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}
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public CommentViewModel? ReadElement(CommentSearchModel 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 Comment. Date:{Date}. Id:{ Id}", model.Date, 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 Comment element not found");
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return null;
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}
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_logger.LogInformation("ReadElement Comment find. Id:{Id}", element.Id);
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return element;
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}
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public bool Create(CommentBindingModel 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 Comment 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(CommentBindingModel 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 Comment 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(CommentBindingModel 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 Comment 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(CommentBindingModel 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.Date))
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{
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throw new ArgumentNullException("Нет даты у комментария", nameof(model.Date));
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}
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}
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}
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}
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