93 lines
2.7 KiB
C#
93 lines
2.7 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
using TaskTrackerContracts.BindingModels;
|
||
using TaskTrackerContracts.BusinessLogicsContracts;
|
||
using TaskTrackerContracts.SearchModels;
|
||
using TaskTrackerContracts.StoragesContracts;
|
||
using TaskTrackerContracts.ViewModels;
|
||
|
||
namespace TaskTrackerBusinessLogics.BusinessLogic
|
||
{
|
||
public class ResultLogic : IResultLogic
|
||
{
|
||
private readonly IResultStorage _resultStorage;
|
||
public ResultLogic(IResultStorage resultStorage)
|
||
{
|
||
_resultStorage = resultStorage;
|
||
}
|
||
public List<ResultViewModel>? ReadList(ResultSearchModel? model)
|
||
{
|
||
var list = model == null ? _resultStorage.GetFullList() : _resultStorage.GetFilteredList(model);
|
||
if (list == null)
|
||
{
|
||
return null;
|
||
}
|
||
return list;
|
||
}
|
||
public ResultViewModel? ReadElement(ResultSearchModel model)
|
||
{
|
||
if (model == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(model));
|
||
}
|
||
var element = _resultStorage.GetElement(model);
|
||
if (element == null)
|
||
{
|
||
return null;
|
||
}
|
||
return element;
|
||
}
|
||
public bool Create(ResultBindingModel model)
|
||
{
|
||
CheckModel(model);
|
||
if (_resultStorage.Insert(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
public bool Update(ResultBindingModel model)
|
||
{
|
||
CheckModel(model);
|
||
if (_resultStorage.Update(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
public bool Delete(ResultBindingModel model)
|
||
{
|
||
CheckModel(model, false);
|
||
if (_resultStorage.Delete(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
private void CheckModel(ResultBindingModel model, bool withParams =
|
||
true)
|
||
{
|
||
if (model == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(model));
|
||
}
|
||
if (!withParams)
|
||
{
|
||
return;
|
||
}
|
||
var element = _resultStorage.GetElement(new ResultSearchModel
|
||
{
|
||
StudentId = model.StudentId,
|
||
SubjectId = model.SubjectId,
|
||
});
|
||
if (element != null && element.Id != model.Id)
|
||
{
|
||
throw new InvalidOperationException("Проект с таким названием уже есть");
|
||
}
|
||
}
|
||
}
|
||
}
|