101 lines
2.8 KiB
C#
101 lines
2.8 KiB
C#
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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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using UniversityContracts.BindingModels;
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using UniversityContracts.BusinessLogicContracts;
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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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namespace UniversityBusinessLogic.BusinessLogics
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{
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public class RoleLogic : IRoleLogic
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{
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private readonly IRoleStorage _roleStorage;
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public RoleLogic(IRoleStorage roleStorage)
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{
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_roleStorage = roleStorage;
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}
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public bool Create(RoleBindingModel model)
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{
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CheckModel(model);
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if (_roleStorage.Insert(model) == null)
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{
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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(RoleBindingModel model)
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{
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CheckModel(model, false);
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if (_roleStorage.Delete(model) == null)
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{
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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 RoleViewModel? ReadElement(RoleSearchModel 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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var element = _roleStorage.GetElement(model);
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if (element == null)
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{
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return null;
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}
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return element;
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}
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public List<RoleViewModel>? ReadList(RoleSearchModel? model)
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{
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var list = model == null ? _roleStorage.GetFullList() : _roleStorage.GetFilteredList(model);
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if (list == null)
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{
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return null;
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}
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return list;
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}
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public bool Update(RoleBindingModel model)
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{
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CheckModel(model);
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if (_roleStorage.Update(model) == null)
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{
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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(RoleBindingModel 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 роли", nameof(model.Name));
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}
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var element = _roleStorage.GetElement(new RoleSearchModel
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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("Роль с таким названием уже есть");
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}
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}
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}
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}
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