DepartmentProject/DepartmentPortal/Common/ModuleTools/BusinessLogics/GenericBusinessLogic.cs

217 lines
4.9 KiB
C#
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using ModuleTools.BindingModels;
using ModuleTools.Enums;
using ModuleTools.Interfaces;
using ModuleTools.Models;
using ModuleTools.ViewModels;
using System;
namespace ModuleTools.BusinessLogics
{
/// <summary>
/// Базовый класс для логики сущности
/// </summary>
/// <typeparam name="G"></typeparam>
/// <typeparam name="S"></typeparam>
/// <typeparam name="L"></typeparam>
/// <typeparam name="E"></typeparam>
public class GenericBusinessLogic<G, S, L, E> : CoreBusinessLogic
where G : GetBindingModel
where S : SetBindingModel
where L : ListViewModel<E>
where E : ElementViewModel
{
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/// <summary>
/// Сервис с хранилищем данных
/// </summary>
protected IGenerticEntityService<G, S> Service { get; set; }
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/// <summary>
/// Тип операции, скоторым работает логика
/// </summary>
protected readonly AccessOperation _serviceOperation;
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/// <summary>
/// Название сущности
/// </summary>
protected readonly string _entity;
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/// <summary>
/// Возможен ли просмотр без авторизации
/// </summary>
protected bool _allowSimpleView = true;
public GenericBusinessLogic(IGenerticEntityService<G, S> service, string entity, AccessOperation serviceOperation)
{
Service = service;
_entity = entity;
_serviceOperation = serviceOperation;
}
/// <summary>
/// Проверка доступности операции для пользователя
/// </summary>
/// <param name="model"></param>
/// <param name="type"></param>
/// <returns></returns>
protected bool NoAccess(AccessBindingModel model, AccessType type)
{
if (_security.CheckAccess(new SecurityManagerCheckAccessModel(model, _serviceOperation, type, _entity)))
{
return false;
}
Errors.Add(("Ошибка безопасности", _security.ErrorMessage));
return true;
}
/// <summary>
/// Получение списка записей
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public L GetList(G model)
{
Errors.Clear();
try
{
model.HaveRight = !NoAccess(model, AccessType.View);
if (model.HaveRight && !_allowSimpleView)
{
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throw new MethodAccessException("Нет прав на получение списка");
}
var result = Service.Read(model);
if (!result.IsSucceeded)
{
Errors.AddRange(Errors);
return null;
}
return result.Result as L;
}
catch (Exception ex)
{
Errors.Add(("Ошибка получения", ex.Message));
}
return null;
}
/// <summary>
/// Получение записи
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public E GetElement(G model)
{
Errors.Clear();
try
{
model.HaveRight = !NoAccess(model, AccessType.View);
if (model.HaveRight && !_allowSimpleView)
{
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throw new MethodAccessException("Нет прав на получение списка");
}
var result = Service.Read(model);
if (!result.IsSucceeded)
{
Errors.AddRange(Errors);
return null;
}
return result.Result as E;
}
catch (Exception ex)
{
Errors.Add(("Ошибка получения", ex.Message));
}
return null;
}
/// <summary>
/// Создание записи
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public E Create(S model)
{
Errors.Clear();
try
{
if (NoAccess(model, AccessType.Change))
{
return null;
}
var result = Service.Create(model);
if (!result.IsSucceeded)
{
Errors.AddRange(Errors);
return null;
}
return result.Result as E;
}
catch (Exception ex)
{
Errors.Add(("Ошибка создания", ex.Message));
}
return null;
}
/// <summary>
/// Изменение записи
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public E Update(S model)
{
Errors.Clear();
try
{
if (NoAccess(model, AccessType.Change))
{
return null;
}
var result = Service.Update(model);
if (!result.IsSucceeded)
{
Errors.AddRange(Errors);
return null;
}
return result.Result as E;
}
catch (Exception ex)
{
Errors.Add(("Ошибка изменения", ex.Message));
}
return null;
}
/// <summary>
/// Удаление записи
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public bool Delete(G model)
{
Errors.Clear();
try
{
if (NoAccess(model, AccessType.Delete))
{
return false;
}
var result = Service.Delete(model);
if (!result.IsSucceeded)
{
Errors.AddRange(Errors);
return false;
}
return true;
}
catch (Exception ex)
{
Errors.Add(("Ошибка удаления", ex.Message));
}
return false;
}
}
}