feat: added frontend_pages models(basic_info) and api(v2), support employees query pages that they can visit by themself token

api_v2/views/basic_info.py

@@ -4,6 +4,7 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 
 from basic_info import models as basic_models
+from basic_info.models import FrontendPage, FrontendPageTypeEnum
 
 
 class CustomerEmployeeBindingSerializer(serializers.Serializer):
@@ -84,3 +85,97 @@ class CustomerEmployeeBindingView(APIView):
             },
             status=status.HTTP_201_CREATED
         )
+
+
+class FrontendPageSerializer(serializers.ModelSerializer):
+    """前端页面序列化器"""
+    parent_key = serializers.CharField(source='parent.key', read_only=True, allow_null=True)
+    
+    class Meta:
+        model = FrontendPage
+        fields = ['key', 'label', 'page_type', 'parent_key', 'sort_order']
+
+
+class MyVisiblePagesView(APIView):
+    """
+    获取当前登录用户的可见页面 API
+    
+    根据当前登录用户关联的员工岗位，返回其可见的前端页面列表。
+    授予主菜单会自动包含其所有子菜单。
+    
+    GET /api/v2/me/visible-pages/
+    
+    响应示例:
+    {
+        "employee_id": 1,
+        "employee_name": "张三",
+        "position_id": 2,
+        "position_title": "生产主管",
+        "visible_pages": [
+            {"key": "production", "label": "生产管理", "page_type": "main", "parent_key": null, "sort_order": 100},
+            {"key": "production-kanban", "label": "生产看板", "page_type": "sub", "parent_key": "production", "sort_order": 101}
+        ],
+        "visible_keys": ["production", "production-kanban", "printing-order-list"]
+    }
+    """
+    
+    permission_classes = [IsAuthenticated]
+    
+    def get(self, request):
+        # 从 request.user 获取关联的员工
+        user = request.user
+        
+        # 检查用户是否关联员工
+        if not hasattr(user, 'employee'):
+            return Response({
+                'employee_id': None,
+                'employee_name': None,
+                'position_id': None,
+                'position_title': None,
+                'visible_pages': [],
+                'visible_keys': [],
+            })
+        
+        employee = user.employee
+        
+        # 检查员工是否有岗位
+        if not employee.position:
+            return Response({
+                'employee_id': employee.id,
+                'employee_name': employee.name,
+                'position_id': None,
+                'position_title': None,
+                'visible_pages': [],
+                'visible_keys': [],
+            })
+        
+        # 获取岗位直接授予的页面
+        granted_pages = employee.position.visible_pages.filter(is_active=True).select_related('parent')
+        
+        # 计算所有可见页面（含子菜单继承）
+        visible_pages = []
+        visible_keys = set()
+        
+        for page in granted_pages:
+            visible_pages.append(page)
+            visible_keys.add(page.key)
+            
+            # 如果是主菜单，自动包含所有子菜单
+            if page.page_type == FrontendPageTypeEnum.MAIN:
+                children = page.children.filter(is_active=True).select_related('parent')
+                for child in children:
+                    if child.key not in visible_keys:
+                        visible_pages.append(child)
+                        visible_keys.add(child.key)
+        
+        # 按 sort_order 排序
+        visible_pages.sort(key=lambda p: (p.sort_order, p.id))
+        
+        return Response({
+            'employee_id': employee.id,
+            'employee_name': employee.name,
+            'position_id': employee.position.id,
+            'position_title': employee.position.title,
+            'visible_pages': FrontendPageSerializer(visible_pages, many=True).data,
+            'visible_keys': sorted(visible_keys),
+        })