126 lines
4.7 KiB
C#
126 lines
4.7 KiB
C#
using Microsoft.Extensions.Logging;
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using SchoolAgainStudyContracts.BindingModel;
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using SchoolAgainStudyContracts.BusinessLogicContracts;
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using SchoolAgainStudyContracts.SearchModel;
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using SchoolAgainStudyContracts.StorageContracts;
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using SchoolAgainStudyContracts.ViewModel;
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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 SchoolAgainStudyBusinessLogic.Новая_папка
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{
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public class StudentLogic : IStudentLogic
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{
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private readonly ILogger _logger;
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private readonly IStudentStorage _studentStorage;
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public StudentLogic(ILogger<StudentLogic> logger, IStudentStorage studentStorage)
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{
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_logger = logger;
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_studentStorage = studentStorage;
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}
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public List<StudentViewModel>? ReadList(StudentSearchModel? model)
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{
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_logger.LogInformation("ReadList. Login:{Login}.Id:{ Id}", model?.Login, model?.Id);
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var list = model == null ? _studentStorage.GetFullList() : _studentStorage.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 StudentViewModel? ReadElement(StudentSearchModel 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. Login:{Login}. Id:{ Id}", model.Login, model.Id);
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var element = _studentStorage.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(StudentBindingModel model)
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{
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CheckModel(model);
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if (_studentStorage.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(StudentBindingModel model)
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{
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CheckModel(model);
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if (_studentStorage.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(StudentBindingModel 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 (_studentStorage.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(StudentBindingModel model, bool withParams =
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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.Login))
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{
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throw new ArgumentNullException("Не задан логин", nameof(model.Login));
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}
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if (string.IsNullOrEmpty(model.Password))
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{
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throw new ArgumentNullException("Не задан пароль", nameof(model.Password));
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}
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if (string.IsNullOrEmpty(model.Email))
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{
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throw new ArgumentNullException("Не задана почта", nameof(model.Email));
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}
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if (model.Class <= 0 || model.Class > 11)
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{
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throw new ArgumentNullException("Не правильно задан класс", nameof(model.Class));
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}
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if (string.IsNullOrEmpty(model.Name))
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{
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throw new ArgumentNullException("Не задано ФИО", nameof(model.Name));
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}
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_logger.LogInformation("Student. Name:{Name}.Class:{ Class}. Email{Email}.Login{Login} .Password{Password} Id: {Id}", model.Name, model.Class,model.Email,model.Login,model.Password, model.Id);
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var element = _studentStorage.GetElement(new StudentSearchModel
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{
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Login = model.Login
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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("Школьник с таким логином уже есть");
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}
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}
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}
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}
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