[School/StudentController]StudentManage 調整更新API，讓座號能為空。

TEAMModelOS/Controllers/School/StudentController.cs

@@ -228,11 +228,6 @@ namespace TEAMModelOS.Controllers
         private async Task<(List<object> studs, Dictionary<string ,List<string>> classDuplNos, List<string> errorIds)> upsertStudents(
             string schoolId,
             JsonElement.ArrayEnumerator students)
-
-            //Dictionary<string, (string name, string no, string year, string salt, string pw, string classNo, string className)> studs,
-            //Dictionary<string, List<(string id, string no)>> impClassStudNo,
-            //Dictionary<string, (string classId, string className, string periodId, string gradeId)> classNoId,
-            //Dictionary<string, List<(string id, string no)>> classStudNo)
         {
             try
             {
@@ -293,7 +288,7 @@ namespace TEAMModelOS.Controllers
                 //並行處理
                 foreach (var stud in sortedImpData.studs)
                 {
-                    //這邊一樣要確認已存在和欲加入還有欲修改的座號，到這邊已不會出現輸入的學生座號有重複的狀況。
+                    //這邊一樣要確認已存在和欲加入還有欲修改的座號。
                     //欲修改的不會有重複
                     string classId = null;
                     bool isContinue = false;
@@ -1670,7 +1665,7 @@ namespace TEAMModelOS.Controllers
                 var classStuds
                     = new Dictionary<string, List<(string id, string salt, string pw, string name, string year, string pic, string gender, string mail, string mobile, string classId, string no)>>();
                 //紀錄教室"輸入"的學生座號是否有重複
-                var classDuplNo = new Dictionary<string, List<string>>();
+                var impClassDuplNo = new Dictionary<string, List<string>>();
                 //紀錄不存在的學生id
                 var nonexistentIds = new List<string>();
                 //紀錄跟現有雲端學生座號重複的
@@ -1774,9 +1769,8 @@ namespace TEAMModelOS.Controllers
                 {
                     var duplicateNo = classStuds.ElementAt(ii).Value.GroupBy(o => o.no).Where(o => o.Count() > 1).Select(o => o.Key).ToList();
 
-                    classDuplNo.Add(classStuds.ElementAt(ii).Key, duplicateNo);
-
                     var wrongStuds = classStuds.ElementAt(ii).Value.Where(o => duplicateNo.Contains(o.no)).Select(o => o).ToList();
+                    impClassDuplNo.Add(classStuds.ElementAt(ii).Key, wrongStuds.Select(o => o.id).ToList());
 
                     wrongStuds.ForEach(o => { classStuds.ElementAt(ii).Value.Remove(o); nonexistentIds.Remove(o.id); });
                     classStuds[classStuds.ElementAt(ii).Key] = classStuds.ElementAt(ii).Value;
@@ -1915,7 +1909,13 @@ namespace TEAMModelOS.Controllers
                                                 }
                                                 break;
                                             case bool _ when element.Name.Equals("no", StringComparison.Ordinal):
-                                                if (string.IsNullOrWhiteSpace(studentInfos[id].no))
+                                                //移除座號的話會給空的
+                                                if (studentInfos[id].no.Length == 0)
+                                                {
+                                                    writer.WriteNull("no");
+                                                    tmpData.no = null;
+                                                }
+                                                else if (string.IsNullOrWhiteSpace(studentInfos[id].no))
                                                 {
                                                     element.WriteTo(writer);
                                                     tmpData.no = element.Value.GetString();
@@ -1941,8 +1941,6 @@ namespace TEAMModelOS.Controllers
                                                             break;
                                                         }
                                                     }
-
-                                                    //將座號寫到Json內
                                                     writer.WriteString("no", studentInfos[id].no);
                                                 }
                                                 break;
@@ -1998,9 +1996,9 @@ namespace TEAMModelOS.Controllers
                         }
                     }
                 }
-                errorClassId.ForEach(o => classDuplNo.Remove(o));
+                errorClassId.ForEach(o => impClassDuplNo.Remove(o));
 
-                return (retStuds, classDuplNo.Where(o => o.Value.Count != 0).ToDictionary(o => o.Key, o => o.Value), nonexistentIds, errorIds, errorNos, errorClassId);
+                return (retStuds, impClassDuplNo.Where(o => o.Value.Count != 0).ToDictionary(o => o.Key, o => o.Value), nonexistentIds, errorIds, errorNos, errorClassId);
             }
             catch (CosmosException ex)
             {