102 lines
3.1 KiB
C#
102 lines
3.1 KiB
C#
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 DocumentLogic : IDocumentLogic
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{
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private readonly IDocumentStorage _documentStorage;
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public DocumentLogic(IDocumentStorage documentStorage)
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{
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_documentStorage = documentStorage;
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}
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public bool Create(DocumentBindingModel model)
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{
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CheckModel(model);
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if(_documentStorage.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(DocumentBindingModel model)
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{
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CheckModel(model, false);
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if (_documentStorage.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(DocumentBindingModel model)
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{
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CheckModel(model, false);
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if (_documentStorage.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 DocumentViewModel? ReadElement(DocumentSearchModel 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 document = _documentStorage.GetElement(model);
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if (document == null)
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{
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return null;
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}
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return document;
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}
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public List<DocumentViewModel>? ReadList(DocumentSearchModel? model)
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{
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var list = model == null ? _documentStorage.GetFullList() : _documentStorage.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(DocumentBindingModel 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 документа", nameof(model.Name));
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}
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if (model.Date > DateTime.Now)
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{
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throw new ArgumentNullException("Неверно указана дата", nameof(model.Name));
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}
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var document = _documentStorage.GetElement(new DocumentSearchModel
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{
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Name = model.Name,
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});
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if (document != null && document.Id != model.Id)
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{
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throw new InvalidOperationException("Приказ 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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