111 lines
3.0 KiB
C#
111 lines
3.0 KiB
C#
using CarServiceContracts.BindingModels;
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using CarServiceContracts.BusinessLogicsContracts;
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using CarServiceContracts.SearchModels;
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using CarServiceContracts.StorageContracts;
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using CarServiceContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace CarServiceBusinessLogic.BusinessLogics
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{
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public class ItemLogic : IItemLogic
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{
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private readonly ILogger _logger;
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private readonly IItemStorage _itemStorage;
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public ItemLogic(ILogger<ItemLogic> logger, IItemStorage itemStorage)
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{
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_logger = logger;
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_itemStorage = itemStorage;
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}
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public List<ItemViewModel>? ReadList(ItemSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id: {Id}", model?.Id);
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var list = model == null ? _itemStorage.GetFullList() : _itemStorage.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 ItemViewModel? ReadElement(ItemSearchModel 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. Id: {Id}", model.Id);
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var element = _itemStorage.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 found. Id: {Id}", element.Id);
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return element;
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}
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public bool Create(ItemBindingModel model)
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{
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CheckModel(model);
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if (_itemStorage.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(ItemBindingModel model)
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{
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CheckModel(model);
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if (_itemStorage.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(ItemBindingModel 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 (_itemStorage.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(ItemBindingModel 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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//Заполнено ли название?
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if (string.IsNullOrEmpty(model.Name))
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{
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_logger.LogWarning("Item name is empty");
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throw new ArgumentException("Не введено название");
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}
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//Название уникально?
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var existingItem = _itemStorage.GetElement(new() { Name = model.Name });
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if (existingItem != null)
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{
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_logger.LogWarning("Item name is not unique");
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throw new ArgumentException("Работа с таким названием уже есть");
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}
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//Цена больше 0?
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if (model.Price <= 0)
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{
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_logger.LogWarning("Work Price is <= 0");
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throw new ArgumentException("Цена должна быть больше 0");
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}
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_logger.LogInformation("Item. Id: {Id}", model.Id);
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}
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}
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}
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