推送

DHSoftware/Services/AuthService.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using DHSoftware.Models;
+using DHSoftware.Utils;
+using SqlSugar;
+
+namespace DHSoftware.Services
+{
+
+    public static class AuthService
+    {
+        public static User CurrentUser { get; private set; }
+
+        public static bool Login(string username, string password)
+        {
+            using (var db = DatabaseUtil.GetDatabase())
+            {
+                var user = db.Queryable<User>()
+                    .First(u => u.UserName == username);
+
+                if (user != null && HashHelper.MD5Encrypt(password).Equals(user.Password))
+                {
+                    CurrentUser = user;
+                    UpdateLastLoginTime(db, user.Id);
+                    return true;
+                }
+                return false;
+            }
+        }
+
+        public static bool HasPermission(string permissionCode)
+        {
+            if (CurrentUser == null) return false;
+
+            using (var db = DatabaseUtil.GetDatabase())
+            {
+                    return db.Queryable<UserRole>()
+             .InnerJoin<RolePermission>((ur, rp) => ur.RoleId == rp.RoleId)
+             .Where((ur, rp) => ur.UserId == CurrentUser.Id)
+             .Where((ur, rp) => rp.PermissionCode == permissionCode)
+             .Any();
+            }
+        }
+
+        public static List<string> GetUserPermissions()
+        {
+            if (CurrentUser == null) return new List<string>();
+
+            using (var db = DatabaseUtil.GetDatabase())
+            {
+                return db.Queryable<UserRole>()
+             .InnerJoin<RolePermission>((ur, rp) => ur.RoleId == rp.RoleId)
+             .Where((ur, rp) => ur.UserId == CurrentUser.Id)
+             .Select((ur, rp) => rp.PermissionCode)
+             .ToList();
+            }
+        }
+
+        private static void UpdateLastLoginTime(SqlSugarClient db, int userId)
+        {
+            db.Updateable<User>()
+                .SetColumns(u => u.LastLoginTime == DateTime.Now)
+                .Where(u => u.Id == userId)
+                .ExecuteCommand();
+        }
+    }
+}