HiTeach API 年級架構修正對應調整

TEAMModelOS/Controllers/Client/HiTeachController.cs

@@ -246,13 +246,15 @@ namespace TEAMModelOS.Controllers.Client
                             periods.Add(periodExtobj);
                             if (periodinfo.TryGetProperty("grades", out JsonElement gradesJobj))
                             {
-                                foreach (var gradeinfo in gradesJobj.EnumerateArray())
+                                int gradeIndex = 0;
+                                foreach (var gradeName in gradesJobj.EnumerateArray()) //2021-06-09 [式樣]grades改為array(string)
                                 {
                                     dynamic gradeExtobj = new ExpandoObject();
-                                    gradeExtobj.id = gradeinfo.GetProperty("id");
-                                    gradeExtobj.name = gradeinfo.GetProperty("name");
+                                    gradeExtobj.id = gradeIndex.ToString();
+                                    gradeExtobj.name = gradeName;
                                     gradeExtobj.periodId = periodinfo.GetProperty("id");
                                     grades.Add(gradeExtobj);
+                                    gradeIndex++;
                                 }
                             }
                             if (periodinfo.TryGetProperty("subjects", out JsonElement subjectsJobj))