求求你不要报错了排行榜大人

asg_form/Controllers/admin.cs

@@ -461,14 +461,15 @@ public async Task<ActionResult<all_record>> GetAdminUsersV2(string? keyword = nu
 
         //管理员设置用户的职位
         [Route("api/v1/admin/setop")]
-        [HttpPost]
+        [HttpGet]
         [Authorize]
         public async Task<ActionResult<string>> setrole(string userid, string opname)
         {
             if (this.User.FindAll(ClaimTypes.Role).Any(a => a.Value == "admin"))
             {
-                var ouser = await userManager.FindByIdAsync(userid);
 
+                var ouser = await userManager.FindByIdAsync(userid);
+                ouser.joinTime = (DateTime.Now.ToString());
                 ouser.officium = opname;
                 await userManager.UpdateAsync(ouser);
 

asg_form/Controllers/user_form.cs

@@ -1,8 +1,10 @@
 using Manganese.Text;
+using Masuit.Tools;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using System.Buffers.Text;
 using System.Data;
 using System.Security.Claims;
 using static asg_form.blog;
@@ -182,28 +184,51 @@ namespace asg_form.Controllers
         
         }
 
+        public class userRanking
+        {
+            public long userId { get; set; }
+            public string username { get; set; }
+            public string joinTime { get; set; }
+            public string base64 { get; set; }
+            public int count { get; set; }
+        }
 
-
-      /*   /// <summary>
-        /// 职位时间设置接口
+        /// <summary>
+        /// 解说排行榜
         /// </summary>
         /// <returns></returns>
-        [Authorize]
-        [Route("api/v1/user/settime")]
-        [HttpPost]
-        public async Task<ActionResult<object>> settime([FromBody] timeSet msg)
+        [Route("api/v1/user/ranking")]
+        [HttpGet]
+        public async Task<ActionResult<object>> rankingList(short page = 1, short limit = 10)
         {
-
-            string userId = this.User.FindFirst(ClaimTypes.NameIdentifier)!.Value;
-            var user = await userManager.FindByIdAsync(userId);
-            if(user.officium != "Commentator")
+            try
             {
-                return Ok(new { code = 200, message = "你不是解说，不参与排名！" });
+                DateTime currentTime = DateTime.Now;
+
+                var rankings = userManager.Users
+                    .Where(u => u.joinTime != null && u.officium == "Commentator")
+                    .AsEnumerable()
+                    .OrderByDescending(u => (currentTime - u.joinTime.ToDateTime()).TotalSeconds)
+                    .Skip((page - 1) * limit)
+                    .Take(limit)
+                    .Select(u => new userRanking
+                    {
+                        userId = u.Id,
+                        username = u.chinaname,
+                        joinTime = u.joinTime,
+                        base64 = u.UserBase64,
+                        //count = (int)((currentTime - u.joinTime.ToDateTime()).TotalSeconds/ 86400),
+                    })
+                    .ToList();
+
+                return Ok(new { code = 200, message = "", rankings });
+            }
+            catch (Exception ex)
+            {
+                return StatusCode(500, new { code = 500, message = "获取排行榜失败", error = ex.Message });
+            }
+
         }
-            user.joinTime = msg.joinTime;
-            await userManager.UpdateAsync(user);
-            return Ok(new { code = 200, message = "你成功修改了自己加入ASG的时间！" });
-        } */
 
     }
     }

asg_form/User.cs

@@ -29,6 +29,7 @@ namespace asg_form
         //public List<string>? Roles { get; set; }
         public string? roleListName { get; set; }
         public string? roleListCode { get; set; }
+        public string? joinTime { get; set; }
     }
 
     public class Role : IdentityRole<long>