refactor: optimize gradesData payload size for frontend

Author: alvin000009238

app/services/grades_service.py

@@ -3,5 +3,79 @@ def get_structure(fetcher, cookies, student_no, token):
     return fetcher.get_structure_via_api(cookies, student_no, token)
 
 
+def filter_grades_data(data):
+    if not data or 'Result' not in data:
+        return data
+
+    result = data['Result']
+    filtered_result = {
+        'StudentName': result.get('StudentName'),
+        'StudentClassName': result.get('StudentClassName'),
+        'StudentSeatNo': result.get('StudentSeatNo'),
+        'StudentNo': result.get('StudentNo'),
+        'GetDataTimeDisplay': result.get('GetDataTimeDisplay'),
+        'Show班級排名': result.get('Show班級排名'),
+        'Show班級排名人數': result.get('Show班級排名人數'),
+        'Show類組排名': result.get('Show類組排名'),
+        'Show類組排名人數': result.get('Show類組排名人數'),
+    }
+
+    if 'ExamItem' in result and result['ExamItem']:
+        exam = result['ExamItem']
+        filtered_result['ExamItem'] = {
+            'ExamName': exam.get('ExamName'),
+            'ClassRank': exam.get('ClassRank'),
+            'ClassCount': exam.get('ClassCount'),
+            '類組排名': exam.get('類組排名'),
+            '類組排名Count': exam.get('類組排名Count')
+        }
+
+    if 'SubjectExamInfoList' in result:
+        filtered_result['SubjectExamInfoList'] = [
+            {
+                'SubjectName': subject.get('SubjectName'),
+                'ScoreDisplay': subject.get('ScoreDisplay'),
+                'Score': subject.get('Score'),
+                'ClassAVGScoreDisplay': subject.get('ClassAVGScoreDisplay'),
+                'ClassAVGScore': subject.get('ClassAVGScore'),
+                'ClassRank': subject.get('ClassRank'),
+                'ClassRankCount': subject.get('ClassRankCount'),
+                'YearRank': subject.get('YearRank'),
+                'YearRankCount': subject.get('YearRankCount'),
+                'YearTermDisplay': subject.get('YearTermDisplay')
+            }
+            for subject in result['SubjectExamInfoList']
+        ]
+
+    if '成績五標List' in result:
+        filtered_result['成績五標List'] = [
+            {
+                'SubjectName': std.get('SubjectName'),
+                '頂標': std.get('頂標'),
+                '前標': std.get('前標'),
+                '均標': std.get('均標'),
+                '後標': std.get('後標'),
+                '底標': std.get('底標'),
+                '標準差': std.get('標準差'),
+                '大於90Count': std.get('大於90Count', 0),
+                '大於80Count': std.get('大於80Count', 0),
+                '大於70Count': std.get('大於70Count', 0),
+                '大於60Count': std.get('大於60Count', 0),
+                '大於50Count': std.get('大於50Count', 0),
+                '大於40Count': std.get('大於40Count', 0),
+                '大於30Count': std.get('大於30Count', 0),
+                '大於20Count': std.get('大於20Count', 0),
+                '大於10Count': std.get('大於10Count', 0),
+                '大於0Count': std.get('大於0Count', 0)
+            }
+            for std in result['成績五標List']
+        ]
+
+    # 保留原本的 Message, Status 等外層結構
+    data['Result'] = filtered_result
+    return data
+
+
 def fetch_grades(fetcher, cookies, student_no, token, year_value, exam_value):
-    return fetcher.fetch_grades_via_api(cookies, student_no, token, year_value, exam_value)
+    raw_data = fetcher.fetch_grades_via_api(cookies, student_no, token, year_value, exam_value)
+    return filter_grades_data(raw_data)