first commit

DOAN.ServiceCore/Services/SysUserPostService.cs

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+using Infrastructure.Attribute;
+using DOAN.Model.System;
+
+namespace DOAN.ServiceCore.Services
+{
+    /// <summary>
+    /// 用户岗位
+    /// </summary>
+    [AppService(ServiceType = typeof(ISysUserPostService), ServiceLifetime = LifeTime.Transient)]
+    public class SysUserPostService : BaseService<SysUserPost>, ISysUserPostService
+    {
+        /// <summary>
+        /// 新增用户岗位信息
+        /// </summary>
+        /// <param name="user"></param>
+        public void InsertUserPost(SysUser user)
+        {
+            // 新增用户与岗位管理
+            List<SysUserPost> list = new();
+            foreach (var item in user.PostIds)
+            {
+                list.Add(new SysUserPost() { PostId = item, UserId = user.UserId });
+            }
+            InsertRange(list);
+        }
+
+        /// <summary>
+        /// 查询用户岗位集合
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public List<long> GetUserPostsByUserId(long userId)
+        {
+            var list = GetList(f => f.UserId == userId);
+            return list.Select(x => x.PostId).ToList();
+        }
+
+        /// <summary>
+        /// 获取用户岗位
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public string GetPostsStrByUserId(long userId)
+        {
+            var list = SelectPostsByUserId(userId);
+            return string.Join(',', list.Select(x => x.PostName));
+        }
+
+        public bool Delete(long userId)
+        {
+            return Delete(x => x.UserId == userId);
+        }
+
+        /// <summary>
+        /// 获取用户岗位
+        /// </summary>
+        /// <param name="userId"></param>
+        /// <returns></returns>
+        public List<SysPost> SelectPostsByUserId(long userId)
+        {
+            return Context.Queryable<SysPost, SysUserPost>((p, up) => new JoinQueryInfos(
+                JoinType.Left, up.PostId == p.PostId
+                )).Where((p, up) => up.UserId == userId)
+                .Select<SysPost>().ToList();
+        }
+    }
+}