PIbd-21_Pyatakov_KM_Markov_.../UniversityBusinessLogic/BusinessLogics/DocumentLogic.cs

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3.1 KiB
C#
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UniversityContracts.BindingModels;
using UniversityContracts.BusinessLogicContracts;
using UniversityContracts.SearchModels;
using UniversityContracts.StoragesContracts;
using UniversityContracts.ViewModels;
namespace UniversityBusinessLogic.BusinessLogics
{
public class DocumentLogic : IDocumentLogic
{
private readonly IDocumentStorage _documentStorage;
public DocumentLogic(IDocumentStorage documentStorage)
{
_documentStorage = documentStorage;
}
public bool Create(DocumentBindingModel model)
{
CheckModel(model);
if(_documentStorage.Insert(model) == null)
{
return false;
}
return true;
}
public bool Update(DocumentBindingModel model)
{
CheckModel(model, false);
if (_documentStorage.Update(model) == null)
{
return false;
}
return true;
}
public bool Delete(DocumentBindingModel model)
{
CheckModel(model, false);
if (_documentStorage.Delete(model) == null)
{
return false;
}
return true;
}
public DocumentViewModel? ReadElement(DocumentSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
var document = _documentStorage.GetElement(model);
if (document == null)
{
return null;
}
return document;
}
public List<DocumentViewModel>? ReadList(DocumentSearchModel? model)
{
var list = model == null ? _documentStorage.GetFullList() : _documentStorage.GetFilteredList(model);
if (list == null)
{
return null;
}
return list;
}
private void CheckModel(DocumentBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.Name))
{
throw new ArgumentNullException("Нет названия документа", nameof(model.Name));
}
if (model.Date > DateTime.Now)
{
throw new ArgumentNullException("Неверно указана дата", nameof(model.Name));
}
var document = _documentStorage.GetElement(new DocumentSearchModel
{
Name = model.Name,
});
if (document != null && document.Id != model.Id)
{
throw new InvalidOperationException("Приказ с таким названием уже есть");
}
}
}
}