123 lines
4.0 KiB
C#
123 lines
4.0 KiB
C#
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 EmployeeLogic : IEmployeeLogic
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{
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private readonly ILogger _logger;
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private readonly IEmployeeStorage _employeeStorage;
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public EmployeeLogic(ILogger<EmployeeLogic> logger, IEmployeeStorage employeeStorage)
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{
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_logger = logger;
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_employeeStorage = employeeStorage;
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}
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public bool Create(EmployeeBindingModel model)
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{
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CheckEmployee(model);
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if (_employeeStorage.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(EmployeeBindingModel model)
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{
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CheckEmployee(model);
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if (_employeeStorage.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(EmployeeBindingModel model)
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{
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CheckEmployee(model, false);
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_logger.LogInformation("Delete. ID:{ID}", model.ID);
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if (_employeeStorage.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 EmployeeViewModel? ReadElement(EmployeeSearchModel 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. Username:{Username}.ID:{ ID}", model.Username, model.ID);
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var element = _employeeStorage.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<EmployeeViewModel>? ReadList(EmployeeSearchModel? model)
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{
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_logger.LogInformation("ReadList. Username:{Username}. ID:{ ID}", model?.Username, model?.ID);
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var list = model == null ? _employeeStorage.GetFullList() : _employeeStorage.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 void CheckEmployee(EmployeeBindingModel 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.Username))
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{
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throw new ArgumentNullException("Invalid username of user", nameof(model.Username));
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}
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if (string.IsNullOrEmpty(model.Password))
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{
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throw new ArgumentNullException("Invalid password of user", nameof(model.Password));
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}
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_logger.LogInformation("Client. Username:{ Username}. ID: { ID} ", model.Username, model.ID);
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var element = _employeeStorage.GetElement(new EmployeeSearchModel
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{
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Username = model.Username
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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("Employee with such username already exists.");
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}
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}
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}
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}
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