97 lines
2.9 KiB
C#
97 lines
2.9 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 ProjectLogic : IProjectLogic
|
||
{
|
||
private readonly IProjectStorage _projectStorage;
|
||
public ProjectLogic(IProjectStorage projectStorage)
|
||
{
|
||
_projectStorage = projectStorage;
|
||
}
|
||
public List<ProjectViewModel>? ReadList(ProjectSearchModel? model)
|
||
{
|
||
var list = model == null ? _projectStorage.GetFullList() : _projectStorage.GetFilteredList(model);
|
||
if (list == null)
|
||
{
|
||
return null;
|
||
}
|
||
return list;
|
||
}
|
||
public ProjectViewModel? ReadElement(ProjectSearchModel model)
|
||
{
|
||
if (model == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(model));
|
||
}
|
||
var element = _projectStorage.GetElement(model);
|
||
if (element == null)
|
||
{
|
||
return null;
|
||
}
|
||
return element;
|
||
}
|
||
public bool Create(ProjectBindingModel model)
|
||
{
|
||
CheckModel(model);
|
||
if (_projectStorage.Insert(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
public bool Update(ProjectBindingModel model)
|
||
{
|
||
CheckModel(model);
|
||
if (_projectStorage.Update(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
public bool Delete(ProjectBindingModel model)
|
||
{
|
||
CheckModel(model, false);
|
||
if (_projectStorage.Delete(model) == null)
|
||
{
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
private void CheckModel(ProjectBindingModel model, bool withParams =
|
||
true)
|
||
{
|
||
if (model == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(model));
|
||
}
|
||
if (!withParams)
|
||
{
|
||
return;
|
||
}
|
||
if (string.IsNullOrEmpty(model.ProjectName))
|
||
{
|
||
throw new ArgumentNullException("Нет названия",
|
||
nameof(model.ProjectName));
|
||
}
|
||
var element = _projectStorage.GetElement(new ProjectSearchModel
|
||
{
|
||
ProjectName = model.ProjectName
|
||
});
|
||
if (element != null && element.Id != model.Id)
|
||
{
|
||
throw new InvalidOperationException("Проект с таким названием уже есть");
|
||
}
|
||
}
|
||
}
|
||
}
|