// ***********************************************************************
// Assembly : OpenAuth.Domain
// Author : yubaolee
// Created : 05-27-2016
//
// Last Modified By : yubaolee
// Last Modified On : 05-27-2016
// Contact : Microsoft
// File: ModuleEleManService.cs
// ***********************************************************************


using System;
using System.Collections.Generic;
using System.Linq;
using OpenAuth.Domain.Interface;

namespace OpenAuth.Domain.Service
{
 /// <summary>
 /// 领域服务
 /// <para>模块菜单管理服务</para>
 /// </summary>
 public class ModuleEleManService
 {
 private readonly IUnitWork _unitWork;
 private readonly AuthoriseService _authoriseService;

 public ModuleEleManService(IUnitWork unitWork, AuthoriseService authoriseService)
 {
 _unitWork = unitWork;
 _authoriseService = authoriseService;
 }

 public void AddOrUpdate(ModuleElement model)
 {
 if (model.Id == Guid.Empty)
 {
 _unitWork.Add(model);
 }
 else
 {
 _unitWork.Update(model);
 }

 _unitWork.Save();
 }

 public IEnumerable<ModuleElement> LoadByModuleId(string loginuser, Guid id)
 {
 _authoriseService.LoadAuthControls(loginuser);
 if (_authoriseService.ModuleElements.Count == 0) //用户没有任何资源
 {
 return new List<ModuleElement>();
 }

 var modules = _authoriseService.ModuleElements.Where(u => u.ModuleId == id).OrderBy(u =>u.Sort);
 return modules;
 }

 /// <summary>
 /// 获取带有授权状态的菜单列表
 /// </summary>
 /// <param name="username">当前登录的操作人</param>
 /// <param name="accessType">授权类型,当前有RoleElement/UserElement</param>
 /// <param name="firstId">
 /// 当为RoleElement时,表示RoleId
 /// 当为UserElement时,表示UserId
 /// </param>
 /// <param name="moduleId">模块ID</param>
 public List<dynamic> LoadWithAccess(string username, string accessType, Guid firstId, Guid moduleId)
 {
 var listVms = new List<dynamic>();
 _authoriseService.LoadAuthControls(username);
 if (_authoriseService.ModuleElements.Count == 0) //用户没有任何资源
 {
 return listVms;
 }
 
 if (moduleId == Guid.Empty) return listVms;
 string modulename = _authoriseService.Modules.SingleOrDefault(u => u.Id == moduleId).Name;
 
 foreach (var element in _authoriseService.ModuleElements.Where(u =>u.ModuleId ==moduleId))
 {
 var accessed = _unitWork.FindSingle<Relevance>(u =>u.Key == accessType 
 && u.FirstId == firstId && u.SecondId == element.Id);
 var vm = new 
 {
 Id = element.Id,
 Name = element.Name,
 ModuleId = element.ModuleId,
 DomId = element.DomId,
 ModuleName = modulename,
 Accessed = accessed != null
 };
 listVms.Add(vm);
 }
 return listVms;
 }

 public void Delete(ModuleElement[] objs)
 {
 var delIds = objs.Select(u => u.Id).ToList();
 _unitWork.Delete<ModuleElement>(u =>delIds.Contains(u.Id));
 }
 }
}