116 lines
3.6 KiB
C#
116 lines
3.6 KiB
C#
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using ComputerStoreContracts.BindingModels;
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using ComputerStoreContracts.BusinessLogicContracts;
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using ComputerStoreContracts.SearchModels;
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using ComputerStoreContracts.StorageContracts;
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using ComputerStoreContracts.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 ComputerStoreBusinessLogic.BusinessLogic
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{
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public class PCLogic : IPCLogic
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{
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private readonly ILogger _logger;
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private readonly IPCStorage _PCStorage;
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public PCLogic(ILogger<PCLogic> logger, IPCStorage PCStorage)
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{
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_logger = logger;
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_PCStorage = PCStorage;
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}
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public bool Create(PCBindingModel model)
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{
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CheckModel(model);
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if (_PCStorage.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(PCBindingModel model)
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{
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CheckModel(model);
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if (_PCStorage.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(PCBindingModel 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 (_PCStorage.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 PCViewModel? ReadElement(PCSearchModel 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. PCName:{PCName}.ID:{ ID}", model.Name, model.ID);
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var element = _PCStorage.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<PCViewModel>? ReadList(PCSearchModel? model)
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{
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_logger.LogInformation("ReadList. PCName:{PCName}. ID:{ ID}", model?.Name, model?.ID);
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var list = model == null ? _PCStorage.GetFullList() : _PCStorage.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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private void CheckModel(PCBindingModel model, bool withParams = true)
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{
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if (model == null) { return; }
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if (!withParams) { return; }
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if (string.IsNullOrEmpty(model.Name)) { throw new ArgumentNullException("Invalid PC's name", nameof(model)); }
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if (model.Price <= 0) { throw new ArgumentNullException("Invalid PC's price", nameof(model)); }
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_logger.LogInformation("PC. PCName:{PCName}. Cost:{ Cost}. ID: { ID} ", model.Name, model.Price, model.ID);
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var element = _PCStorage.GetElement(new PCSearchModel
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{
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Name = model.Name
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});
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if (element != null && element.ID != model.ID)
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{
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throw new InvalidOperationException("PC with such name already exists.");
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}
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}
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}
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}
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