111 lines
3.0 KiB
C#
111 lines
3.0 KiB
C#
using Contracts.BindingModels;
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using Contracts.BusinessLogicsContracts;
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using Contracts.SearchModels;
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using Contracts.StoragesContracts;
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using Contracts.ViewModels;
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using Microsoft.Extensions.Logging;
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using System.Xml.Linq;
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namespace BusinessLogic
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{
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public class DetailLogic : IDetailLogic
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{
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private readonly ILogger _logger;
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private readonly IDetailStorage _detailStorage;
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public DetailLogic(ILogger<DetailLogic> logger, IDetailStorage detailStorage)
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{
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_logger = logger;
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_detailStorage = detailStorage;
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}
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public List<DetailViewModel>? ReadList(DetailSearchModel? model)
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{
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_logger.LogInformation("ReadList. DetailName:{name}. Id:{Id}", model.Name, model.Id);
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var list = model == null ? _detailStorage.GetFullList() : _detailStorage.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.LogWarning("ReadList. Count:{Count}", list.Count);
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return list;
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}
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public DetailViewModel? ReadElement(DetailSearchModel? 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. DetailName:{Name}. Id:{Id}", model.Name, model.Id);
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var elem = _detailStorage.GetElement(model);
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if (elem == 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}", elem.Id);
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return elem;
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}
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private void CheckModel(DetailBindingModel? 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.Name))
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{
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throw new ArgumentNullException("Нет названия детали", nameof(model.Name));
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}
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if (model.Cost <= 0)
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{
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throw new ArgumentNullException("Цена детали должна быть больше 0", nameof(model.Cost));
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}
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_logger.LogInformation("Detail. DetailName:{Name}. Cost:{Cost}. Id:{Id}", model.Name, model.Cost, model.Id);
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var elem = _detailStorage.GetElement(new DetailSearchModel
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{
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Name = model.Name
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});
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if (elem != null && elem.Id != model.Id)
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{
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throw new InvalidOperationException("Деталь с таким названием уже существует");
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}
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}
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public bool Create(DetailBindingModel? model)
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{
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CheckModel(model);
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if (_detailStorage.Insert(model!) == null)
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{
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_logger.LogWarning("Insert error");
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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(DetailBindingModel? model)
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{
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CheckModel(model);
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if (_detailStorage.Update(model!) == null)
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{
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_logger.LogWarning("Update error");
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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(DetailBindingModel? 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 (_detailStorage.Delete(model!) == null)
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{
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_logger.LogWarning("Delete error");
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return false;
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}
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return true;
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}
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}
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}
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