131 lines
4.5 KiB
C#
131 lines
4.5 KiB
C#
using UniversityContracts.BindingModels;
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using UniversityContracts.BuisnessLogicContracts;
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using UniversityContracts.SearchModels;
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using UniversityContracts.StoragesContracts;
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using UniversityContracts.ViewModels;
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using Microsoft.Extensions.Logging;
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namespace UniversityBuisnessLogic
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{
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public class UserLogic : IUserLogic
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{
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private readonly ILogger _logger;
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private readonly IUserStorage _userStorage;
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public UserLogic(ILogger<UserLogic> logger, IUserStorage userStorage)
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{
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_logger = logger;
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_userStorage = userStorage;
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}
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public bool Create(UserBindingModel model)
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{
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CheckModel(model);
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if (_userStorage.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(UserBindingModel 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 (_userStorage.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 UserViewModel? ReadElement(UserSearchModel 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. Id:{Id}", model.Id);
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var element = _userStorage.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<UserViewModel>? ReadList(UserSearchModel? model)
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{
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_logger.LogInformation("ReadList. Id:{Id}", model?.Id);
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var list = model == null ? _userStorage.GetFullList() : _userStorage.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(UserBindingModel model)
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{
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CheckModel(model);
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if (_userStorage.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(UserBindingModel 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 имени пользователя", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Surname))
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{
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throw new ArgumentNullException("Нет фамилии пользователя", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Login))
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{
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throw new ArgumentNullException("Нет логина", nameof(model.Name));
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}
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if (string.IsNullOrEmpty(model.Password))
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{
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throw new ArgumentNullException("Нет фамилии пароля", nameof(model.Name));
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}
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else if (model.Password.Length < 6)
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{
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throw new ArgumentNullException("В пароле должно быть не менее 6 символов", nameof(model.Name));
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}
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_logger.LogInformation("User. Name:{Name}. Surname:{Surname}. Login: {Login} " +
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"Password: {Password}. Id: {Id}", model.Name, model.Surname, model.Login, model.Password, model.Id);
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var element = _userStorage.GetElement(new UserSearchModel
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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("Пользователь 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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