feat: update medical training case and auth modules

apps/case/views.py

@@ -13,7 +13,7 @@ from apps.user.permissions import IsCaseOperationPermitted
 from apps.user.throttling import PdfParseUserThrottle, ScoringRuleGenerateUserThrottle
 from .models import (
     CaseBase, TraditionalCase, ScriptCase,
-    TeachingCase, CaseStage, ScoringRule
+    TeachingCase, CaseStage, ScoringRule, CaseExamItem,
 )
 from .serializers import (
     CaseBaseListSerializer, CaseBaseDetailSerializer,
@@ -23,6 +23,9 @@ from .serializers import (
 )
 from .services import case_importer, scoring_rule_generator
 from .services.department_resolver import resolve_department
+from .services.exam_items import (
+    normalize_exam_items, assert_no_duplicate_exam_items, EXAM_ITEM_FIELDS,
+)
 
 audit = logging.getLogger('audit')
 
@@ -135,6 +138,10 @@ class CaseBaseViewSet(viewsets.ModelViewSet):
             'traditional': drf_serializers.DictField(required=False),
             'teaching': drf_serializers.DictField(required=False),
             'scoring_rules': drf_serializers.ListField(child=drf_serializers.DictField(), help_text='评分规则（≥1 条，必填）'),
+            'exam_items': drf_serializers.ListField(
+                child=drf_serializers.DictField(), required=False,
+                help_text='检查项（可选；同一病例 item_code 不可重复）',
+            ),
             'parse_id': drf_serializers.CharField(required=False, help_text='来自 parse-pdf 的 parse_id（审计用）'),
             'auto_publish': drf_serializers.BooleanField(required=False, default=False),
         }),
@@ -168,6 +175,9 @@ class CaseBaseViewSet(viewsets.ModelViewSet):
             raise AppError('CASE_VALIDATION_ERROR', 'scoring_rules 必填且至少 1 条', status_code=400)
         _validate_scoring_rules(scoring_rules_data)
 
+        exam_items_data = normalize_exam_items(data.get('exam_items') or [])
+        assert_no_duplicate_exam_items(exam_items_data)
+
         department = resolve_department(data.get('department_name', ''))
 
         with transaction.atomic():
@@ -189,9 +199,20 @@ class CaseBaseViewSet(viewsets.ModelViewSet):
             ]
             ScoringRule.objects.bulk_create(rule_objs)
 
+            if exam_items_data:
+                exam_objs = [
+                    CaseExamItem(
+                        case=case,
+                        **{k: v for k, v in item.items() if k in EXAM_ITEM_FIELDS},
+                    )
+                    for item in exam_items_data
+                ]
+                CaseExamItem.objects.bulk_create(exam_objs)
+
         audit.info(
-            'CASE_CREATE case_id=%s from=%s by=%s scoring_rules=%d',
-            case.id, data.get('parse_id', 'form'), request.user.id, len(rule_objs),
+            'CASE_CREATE case_id=%s from=%s by=%s scoring_rules=%d exam_items=%d',
+            case.id, data.get('parse_id', 'form'), request.user.id,
+            len(rule_objs), len(exam_items_data),
         )
 
         return Response(_build_full_response(case), status=status.HTTP_201_CREATED)
@@ -214,7 +235,7 @@ class CaseBaseViewSet(viewsets.ModelViewSet):
     def _full_detail(self, request, pk):
         case = CaseBase.objects.select_related(
             'department', 'created_by'
-        ).prefetch_related('scoring_rules').filter(pk=pk).first()
+        ).prefetch_related('scoring_rules', 'exam_items').filter(pk=pk).first()
 
         if not case:
             raise AppError('NOT_FOUND', '病例不存在', status_code=404)
@@ -384,6 +405,13 @@ def _validate_scoring_rules(rules):
 
 
 def _build_full_response(case):
+    if hasattr(case, '_prefetched_objects_cache') and 'exam_items' in getattr(
+        case, '_prefetched_objects_cache', {}
+    ):
+        exam_qs = case.exam_items.all()
+    else:
+        exam_qs = CaseExamItem.objects.filter(case_id=case.id).order_by('display_order', 'id')
+
     result = {
         'case': {
             'id': case.id,
@@ -456,4 +484,21 @@ def _build_full_response(case):
         for r in rules
     ]
 
+    result['exam_items'] = [
+        {
+            'id': e.id,
+            'item_code': e.item_code,
+            'item_name': e.item_name,
+            'item_type': e.item_type,
+            'category': e.category,
+            'result_text': e.result_text,
+            'result_structured': e.result_structured,
+            'is_key': e.is_key,
+            'is_abnormal': e.is_abnormal,
+            'score_weight': float(e.score_weight),
+            'display_order': e.display_order,
+        }
+        for e in exam_qs
+    ]
+
     return result