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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using VOL.Core.Extensions;
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using VOL.Core.ManageUser;
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using VOL.Core.Services;
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using VOL.Core.Utilities;
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using VOL.Entity;
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using VOL.Entity.DomainModels;
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namespace VOL.System.Services
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{
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public partial class Sys_MenuService
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{
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/// <summary>
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/// 菜单静态化处理，每次获取菜单时先比较菜单是否发生变化，如果发生变化从数据库重新获取，否则直接获取_menus菜单
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/// </summary>
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private static List<Sys_Menu> _menus { get; set; }
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/// <summary>
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/// 从数据库获取菜单时锁定的对象
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/// </summary>
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private static object _menuObj = new object();
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/// <summary>
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/// 当前服务器的菜单版本
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/// </summary>
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private static string _menuVersionn = "";
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private const string _menuCacheKey = "inernalMenu";
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/// <summary>
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/// 编辑修改菜单时,获取所有菜单
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/// </summary>
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/// <returns></returns>
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public async Task<object> GetMenu()
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{
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// DBServerProvider.SqlDapper.q
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return (await repository.FindAsync(x => 1 == 1, a =>
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new
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{
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id = a.Menu_Id,
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parentId = a.ParentId,
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name = a.MenuName,
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a.MenuType,
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a.OrderNo
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})).OrderByDescending(a => a.OrderNo)
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.ThenByDescending(q => q.parentId).ToList();
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}
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private List<Sys_Menu> GetAllMenu()
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{
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//每次比较缓存是否更新过，如果更新则重新获取数据
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string _cacheVersion = CacheContext.Get(_menuCacheKey);
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if (_menuVersionn != "" && _menuVersionn == _cacheVersion)
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{
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return _menus ?? new List<Sys_Menu>();
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}
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lock (_menuObj)
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{
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if (_menuVersionn != "" && _menus != null && _menuVersionn == _cacheVersion) return _menus;
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//2020.12.27增加菜单界面上不显示，但可以分配权限
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_menus = repository.FindAsIQueryable(x => x.Enable == 1 || x.Enable == 2)
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.OrderByDescending(a => a.OrderNo)
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.ThenByDescending(q => q.ParentId).ToList();
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_menus.ForEach(x =>
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{
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// 2022.03.26增移动端加菜单类型
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x.MenuType ??= 0;
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if (!string.IsNullOrEmpty(x.Auth) && x.Auth.Length > 10)
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{
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try
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{
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x.Actions = x.Auth.DeserializeObject<List<Sys_Actions>>();
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}
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catch { }
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}
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if (x.Actions == null) x.Actions = new List<Sys_Actions>();
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});
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string cacheVersion = CacheContext.Get(_menuCacheKey);
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if (string.IsNullOrEmpty(cacheVersion))
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{
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cacheVersion = DateTime.Now.ToString("yyyyMMddHHMMssfff");
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CacheContext.Add(_menuCacheKey, cacheVersion);
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}
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else
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{
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_menuVersionn = cacheVersion;
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}
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}
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return _menus;
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}
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/// <summary>
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/// 获取当前用户有权限查看的菜单
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/// </summary>
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/// <returns></returns>
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public List<Sys_Menu> GetCurrentMenuList()
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{
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int roleId = UserContext.Current.RoleId;
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return GetUserMenuList(roleId);
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}
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public List<Sys_Menu> GetUserMenuList(int roleId)
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{
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if (UserContext.IsRoleIdSuperAdmin(roleId))
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{
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return GetAllMenu();
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}
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List<int> menuIds = UserContext.Current.GetPermissions(roleId).Select(x => x.Menu_Id).ToList();
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return GetAllMenu().Where(x => menuIds.Contains(x.Menu_Id)).ToList();
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}
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/// <summary>
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/// 获取当前用户所有菜单与权限
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/// </summary>
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/// <returns></returns>
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public async Task<object> GetCurrentMenuActionList()
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{
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return await GetMenuActionList(UserContext.Current.RoleId);
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}
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/// <summary>
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/// 根据角色ID获取菜单与权限
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/// </summary>
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/// <param name="roleId"></param>
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/// <returns></returns>
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public async Task<object> GetMenuActionList(int roleId)
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{
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//2020.12.27增加菜单界面上不显示，但可以分配权限
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if (UserContext.IsRoleIdSuperAdmin(roleId))
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{
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return await Task.Run(() => GetAllMenu()
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.Where(c => c.MenuType == UserContext.MenuType)
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.Select(x =>
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new
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{
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id = x.Menu_Id,
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name = x.MenuName,
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url = x.Url,
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parentId = x.ParentId,
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icon = x.Icon,
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x.Enable,
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x.TableName, // 2022.03.26增移动端加菜单类型
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permission = x.Actions.Select(s => s.Value).ToArray()
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}).ToList());
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}
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var menu = from a in UserContext.Current.Permissions
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join b in GetAllMenu().Where(c => c.MenuType == UserContext.MenuType)
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on a.Menu_Id equals b.Menu_Id
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orderby b.OrderNo descending
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select new
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{
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id = a.Menu_Id,
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name = b.MenuName,
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url = b.Url,
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parentId = b.ParentId,
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icon = b.Icon,
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b.Enable,
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b.TableName, // 2022.03.26增移动端加菜单类型
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permission = a.UserAuthArr
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};
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return menu.ToList();
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}
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/// <summary>
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/// 新建或编辑菜单
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/// </summary>
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/// <param name="menu"></param>
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/// <returns></returns>
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public async Task<WebResponseContent> Save(Sys_Menu menu)
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{
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WebResponseContent webResponse = new WebResponseContent();
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if (menu == null) return webResponse.Error("没有获取到提交的参数");
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if (menu.Menu_Id > 0 && menu.Menu_Id == menu.ParentId) return webResponse.Error("父级ID不能是当前菜单的ID");
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try
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{
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webResponse = menu.ValidationEntity(x => new { x.MenuName, x.TableName });
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if (!webResponse.Status) return webResponse;
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if (menu.TableName != "/" && menu.TableName != ".")
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{
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// 2022.03.26增移动端加菜单类型判断
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Sys_Menu sysMenu = await repository.FindAsyncFirst(x => x.TableName == menu.TableName);
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if (sysMenu != null)
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{
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sysMenu.MenuType ??= 0;
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if (sysMenu.MenuType == menu.MenuType)
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{
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if ((menu.Menu_Id > 0 && sysMenu.Menu_Id != menu.Menu_Id)
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|| menu.Menu_Id <= 0)
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{
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return webResponse.Error($"视图/表名【{menu.TableName}】已被其他菜单使用");
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}
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}
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}
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}
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bool _changed = false;
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if (menu.Menu_Id <= 0)
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{
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repository.Add(menu.SetCreateDefaultVal());
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}
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else
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{
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//2020.05.07新增禁止选择上级角色为自己
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if (menu.Menu_Id == menu.ParentId)
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{
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return webResponse.Error($"父级id不能为自己");
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}
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if (repository.Exists(x => x.ParentId == menu.Menu_Id && menu.ParentId == x.Menu_Id))
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{
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return webResponse.Error($"不能选择此父级id，选择的父级id与当前菜单形成依赖关系");
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}
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_changed = repository.FindAsIQueryable(c => c.Menu_Id == menu.Menu_Id).Select(s => s.Auth).FirstOrDefault() != menu.Auth;
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repository.Update(menu.SetModifyDefaultVal(), p => new
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{
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p.ParentId,
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p.MenuName,
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p.Url,
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p.Auth,
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p.OrderNo,
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p.Icon,
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p.Enable,
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p.MenuType,// 2022.03.26增移动端加菜单类型
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p.TableName,
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p.ModifyDate,
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p.Modifier
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});
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}
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await repository.SaveChangesAsync();
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CacheContext.Add(_menuCacheKey, DateTime.Now.ToString("yyyyMMddHHMMssfff"));
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if (_changed)
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{
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UserContext.Current.RefreshWithMenuActionChange(menu.Menu_Id);
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}
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_menus = null;
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webResponse.OK("保存成功", menu);
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}
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catch (Exception ex)
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{
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webResponse.Error(ex.Message);
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}
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finally
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{
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Logger.Info($"表:{menu.TableName},菜单：{menu.MenuName},权限{menu.Auth},{(webResponse.Status ? "成功" : "失败")}{webResponse.Message}");
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}
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return webResponse;
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}
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public async Task<WebResponseContent> DelMenu(int menuId)
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{
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WebResponseContent webResponse =new WebResponseContent();
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if (await repository.ExistsAsync(x => x.ParentId == menuId))
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{
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return webResponse.Error("当前菜单存在子菜单,请先删除子菜单!");
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}
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repository.Delete(new Sys_Menu()
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{
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Menu_Id = menuId
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}, true);
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CacheContext.Add(_menuCacheKey, DateTime.Now.ToString("yyyyMMddHHMMssfff"));
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return webResponse.OK("删除成功");
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}
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/// <summary>
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/// 编辑菜单时，获取菜单信息
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/// </summary>
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/// <param name="menuId"></param>
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/// <returns></returns>
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public async Task<object> GetTreeItem(int menuId)
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{
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var sysMenu = (await base.repository.FindAsync(x => x.Menu_Id == menuId))
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.Select(
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p => new
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{
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p.Menu_Id,
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p.ParentId,
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p.MenuName,
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p.Url,
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p.Auth,
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p.OrderNo,
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p.Icon,
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p.Enable,
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// 2022.03.26增移动端加菜单类型
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MenuType = p.MenuType ?? 0,
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p.CreateDate,
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p.Creator,
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p.TableName,
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p.ModifyDate
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}).FirstOrDefault();
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return sysMenu;
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}
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}
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}
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