119 lines
4.1 KiB
C#
119 lines
4.1 KiB
C#
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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using Microsoft.Extensions.Logging;
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using IceCreamShopContracts.BindingModels;
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using IceCreamShopContracts.BusinessLogicsContracts;
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using IceCreamShopContracts.SearchModels;
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using IceCreamShopContracts.StoragesContracts;
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using IceCreamShopContracts.ViewModels;
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namespace IceCreamBusinessLogic.BusinessLogics
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{
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public class IceCreamLogic : IIceCreamLogic
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{
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private readonly ILogger _logger;
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private readonly IIceCreamStorage _iceCreamStorage;
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public IceCreamLogic(ILogger<IceCreamLogic> logger, IIceCreamStorage iceCreamStorage)
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{
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_logger = logger;
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_iceCreamStorage = iceCreamStorage;
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}
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public List<IceCreamViewModel>? ReadList (IceCreamSearchModel? model)
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{
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_logger.LogInformation("ReadList. IceCreamName:{IceCreamName}. Id:{ Id}", model?.IceCreamName, model?.Id);
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var list = model == null? _iceCreamStorage.GetFullList() : _iceCreamStorage.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 IceCreamViewModel? ReadElement (IceCreamSearchModel 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. IceCreamName:{IceCreamName}. Id:{ Id}", model.IceCreamName, model.Id);
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var element = _iceCreamStorage.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 bool Create(IceCreamBindingModel model)
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{
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CheckModel(model);
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if(_iceCreamStorage.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(IceCreamBindingModel model)
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{
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CheckModel(model);
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if (_iceCreamStorage.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(IceCreamBindingModel 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 (_iceCreamStorage.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(IceCreamBindingModel 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.IceCreamName))
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{
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throw new ArgumentNullException("Нет названия мороженого", nameof(model.IceCreamName));
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}
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if (model.Price <= 0)
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{
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throw new ArgumentNullException("Цена мороженого должна быть больше 0", nameof(model.Price));
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}
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_logger.LogInformation("IceCream. IceCreamName:{IceCreamName}. Price:{Price}. Id: { Id}", model.IceCreamName, model.Price, model.Id);
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var element = _iceCreamStorage.GetElement(new IceCreamSearchModel { IceCreamName = model.IceCreamName });
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if (element != null && element.Id != model.Id)
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{
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throw new InvalidOperationException("Мороженое 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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