using Longbow; using Longbow.Caching; using Longbow.Caching.Configuration; using Longbow.Data; using Longbow.ExceptionManagement; using System; using System.Collections.Generic; using System.Data; using System.Data.Common; using System.Globalization; using System.Linq; namespace Bootstrap.DataAccess { public static class MenuHelper { internal const string RetrieveMenusDataKey = "MenuHelper-RetrieveMenus"; internal const string RetrieveMenusByUserIDDataKey = "MenuHelper-RetrieveMenusByUserId"; /// /// 查询所有菜单信息 /// /// /// public static IEnumerable RetrieveMenus() { return CacheManager.GetOrAdd(RetrieveMenusDataKey, CacheSection.RetrieveIntervalByKey(RetrieveMenusDataKey), key => { string sql = "select n.*, d.Name as CategoryName, ln.Name as ParentName from Navigations n inner join Dicts d on n.Category = d.Code and d.Category = N'菜单' and d.Define = 0 left join Navigations ln on n.ParentId = ln.ID"; List Menus = new List(); DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql); try { using (DbDataReader reader = DBAccessManager.SqlDBAccess.ExecuteReader(cmd)) { while (reader.Read()) { Menus.Add(new Menu() { ID = (int)reader[0], ParentId = (int)reader[1], Name = (string)reader[2], Order = (int)reader[3], Icon = LgbConvert.ReadValue(reader[4], string.Empty), Url = LgbConvert.ReadValue(reader[5], string.Empty), Category = (string)reader[6], CategoryName = (string)reader[7], ParentName = LgbConvert.ReadValue(reader[8], string.Empty) }); } } } catch (Exception ex) { ExceptionManager.Publish(ex); } return Menus; }, CacheSection.RetrieveDescByKey(RetrieveMenusDataKey)); } /// /// 查询某个用户所配置的菜单 /// /// /// public static IEnumerable RetrieveMenusByUserId(int userId) { string key = string.Format("{0}-{1}", RetrieveMenusByUserIDDataKey, userId); return CacheManager.GetOrAdd(key, CacheSection.RetrieveIntervalByKey(RetrieveMenusByUserIDDataKey), k => { string sql = "select n.* from Navigations n inner join NavigationRole nr on n.ID = nr.NavigationID inner join UserRole ur on nr.RoleID = ur.RoleID inner join Users u on ur.UserID = u.ID where u.ID = @UserID union select n.* from Navigations n inner join NavigationRole nr on n.ID = nr.NavigationID inner join RoleGroup rg on nr.RoleID = rg.RoleID inner join UserGroup ur on rg.GroupID = ur.GroupID inner join Users u on ur.UserID = u.ID where u.ID = @UserID"; List Menus = new List(); DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql); try { cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@UserID", userId, ParameterDirection.Input)); using (DbDataReader reader = DBAccessManager.SqlDBAccess.ExecuteReader(cmd)) { while (reader.Read()) { Menus.Add(new Menu() { ID = (int)reader[0], ParentId = (int)reader[1], Name = (string)reader[2], Order = (int)reader[3], Icon = LgbConvert.ReadValue(reader[4], string.Empty), Url = LgbConvert.ReadValue(reader[5], string.Empty), Category = (string)reader[6] }); } } } catch (Exception ex) { ExceptionManager.Publish(ex); } return Menus; }, CacheSection.RetrieveDescByKey(RetrieveMenusByUserIDDataKey)); } /// /// /// /// /// public static IEnumerable RetrieveNavigationsByUserId(int userId) { var navs = (userId == 0 ? RetrieveMenus() : RetrieveMenusByUserId(userId)).Where(m => m.Category == "0"); var root = navs.Where(m => m.ParentId == 0).OrderBy(m => m.Order); CascadeMenu(navs, root); return root; } private static void CascadeMenu(IEnumerable navs, IEnumerable level) { level.ToList().ForEach(m => { m.Menus = navs.Where(sub => sub.ParentId == m.ID).OrderBy(sub => sub.Order); CascadeMenu(navs, m.Menus); }); } /// /// /// /// /// public static IEnumerable RetrieveLinksByUserId(int userId) { var navs = (userId == 0 ? RetrieveMenus() : RetrieveMenusByUserId(userId)).Where(m => m.Category == "1"); var root = navs.Where(m => m.ParentId == 0).OrderBy(m => m.Order); CascadeMenu(navs, root); return root; } /// /// 删除菜单信息 /// /// public static bool DeleteMenu(string ids) { bool ret = false; if (string.IsNullOrEmpty(ids) || ids.Contains("'")) return ret; using (TransactionPackage transaction = DBAccessManager.SqlDBAccess.BeginTransaction()) { try { string sql = string.Format(CultureInfo.InvariantCulture, "Delete from Navigations where ID in ({0})", ids); sql += string.Format("delete from NavigationRole where NavigationID in ({0});", ids); using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql)) { DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd); } CacheCleanUtility.ClearCache(menuIds: ids); ret = true; } catch (Exception ex) { ExceptionManager.Publish(ex); transaction.RollbackTransaction(); } } return ret; } /// /// 保存新建/更新的菜单信息 /// /// /// public static bool SaveMenu(Menu p) { if (p == null) throw new ArgumentNullException("p"); bool ret = false; if (string.IsNullOrEmpty(p.Name)) return ret; if (p.Name.Length > 50) p.Name.Substring(0, 50); if (p.Icon != null && p.Icon.Length > 50) p.Icon.Substring(0, 50); if (p.Url != null && p.Url.Length > 50) p.Url.Substring(0, 50); string sql = p.ID == 0 ? "Insert Into Navigations (ParentId, Name, [Order], Icon, Url, Category) Values (@ParentId, @Name, @Order, @Icon, @Url, @Category)" : "Update Navigations set ParentId = @ParentId, Name = @Name, [Order] = @Order, Icon = @Icon, Url = @Url, Category = @Category where ID = @ID"; try { using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql)) { cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@ID", p.ID, ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@ParentId", p.ParentId, ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Name", p.Name, ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Order", p.Order, ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Icon", DBAccess.ToDBValue(p.Icon), ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Url", DBAccess.ToDBValue(p.Url), ParameterDirection.Input)); cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Category", p.Category, ParameterDirection.Input)); DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd); } CacheCleanUtility.ClearCache(menuIds: p.ID == 0 ? "" : p.ID.ToString()); ret = true; } catch (DbException ex) { ExceptionManager.Publish(ex); } return ret; } } }