115 lines
3.8 KiB
C#
115 lines
3.8 KiB
C#
using Contracts.BindingModels;
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using Contracts.BusinessLogicContracts;
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using Contracts.SearchModels;
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using Contracts.StorageContracts;
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using Contracts.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 BusinessLogic.BusinessLogic
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{
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public class SupplierLogic : ISupplierLogic
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{
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private readonly ISupplierStorage _supplierStorage;
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private readonly ILogger _logger;
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public SupplierLogic(ISupplierStorage supplierStorage, ILogger<SupplierLogic> logger)
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{
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_supplierStorage = supplierStorage;
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_logger = logger;
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}
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public bool Create(SupplierBindingModel model)
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{
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CheckModel(model);
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if (_supplierStorage.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(SupplierBindingModel 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 (_supplierStorage.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 SupplierViewModel? ReadElement(SupplierSearchModel 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. Name:{Name}.Id:{ Id}", model.Name, model.Id);
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var element = _supplierStorage.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<SupplierViewModel>? ReadList(SupplierSearchModel? model)
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{
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_logger.LogInformation("ReadList. Name:{Name}.Id:{ Id}", model?.Name, model?.Id);
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var list = model == null ? _supplierStorage.GetFullList() : _supplierStorage.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(SupplierBindingModel model)
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{
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CheckModel(model);
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if (_supplierStorage.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(SupplierBindingModel 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 поставщика", nameof(model.Name));
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}
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if (model.Deals < 0)
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{
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throw new Exception("Кол-во сделок не может быть меньше нуля");
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}
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foreach(var item in model.AvailibleProducts.Values)
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{
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if (item.Item2 < 0)
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{
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throw new Exception("Кол-во доступных продуктов не должно быть отрицательным");
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}
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}
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}
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}
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}
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