100 lines
2.9 KiB
C#
100 lines
2.9 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 EducationStatusLogic : IEducationStatusLogic
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{
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private readonly IEducationStatusStorage _esStorage;
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public EducationStatusLogic(IEducationStatusStorage cardStorage)
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{
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_esStorage = cardStorage;
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}
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public bool Create(EducationStatusBindingModel model)
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{
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CheckModel(model);
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if (_esStorage.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 Update(EducationStatusBindingModel model)
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{
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CheckModel(model);
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if (_esStorage.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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public bool Delete(EducationStatusBindingModel model)
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{
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CheckModel(model, false);
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if (_esStorage.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 EducationStatusViewModel? ReadElement(EducationStatusSearchModel 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 es = _esStorage.GetElement(model);
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if (es == null)
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{
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return null;
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}
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return es;
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}
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public List<EducationStatusViewModel>? ReadList(EducationStatusSearchModel? model)
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{
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var list = model == null ? _esStorage.GetFullList() : _esStorage.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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private void CheckModel(EducationStatusBindingModel 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 статуса обучения", nameof(model.Name));
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}
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var es = _esStorage.GetElement(new EducationStatusSearchModel
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{
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Name = model.Name,
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});
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if (es != null && es.Id != model.Id)
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{
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throw new InvalidOperationException("Статус 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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