v0.1测试

backend/services/homework_service.py

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+# ===========================================
+# 班级操行分管理系统 - 后端服务
+# 
+# 开发者: Canglan
+# 联系方式: admin@sea-studio.top
+# 版权归属: Sea Network Technology Studio
+# 许可证: MIT License
+# 
+# 版权所有 © Sea Network Technology Studio
+# ===========================================
+
+from typing import Dict, Any, List, Optional
+from datetime import datetime
+
+from models.homework import HomeworkModel
+from models.student import StudentModel
+from models.conduct import ConductModel
+from middleware.permission import PermissionChecker
+from config import settings
+from utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+class HomeworkService:
+    """作业服务"""
+    
+    @staticmethod
+    async def get_assignments(user_id: int) -> Dict[str, Any]:
+        """获取作业列表"""
+        role = await PermissionChecker.get_user_role(user_id)
+        
+        if role == "班主任":
+            class_id = await PermissionChecker.get_user_class_id(user_id)
+            assignments = await HomeworkModel.get_assignments_by_class(class_id)
+        elif role == "科代表":
+            class_id = await PermissionChecker.get_user_class_id(user_id)
+            subject_ids = await PermissionChecker.get_user_subject_ids(user_id)
+            assignments = await HomeworkModel.get_assignments_by_subjects(class_id, subject_ids)
+        else:
+            assignments = []
+        
+        return {"assignments": assignments}
+    
+    @staticmethod
+    async def create_assignment(
+        subject_id: int,
+        title: str,
+        description: Optional[str],
+        deadline: str,
+        created_by: int
+    ) -> Dict[str, Any]:
+        """创建作业"""
+        class_id = await PermissionChecker.get_user_class_id(created_by)
+        
+        assignment_id = await HomeworkModel.create_assignment(
+            class_id=class_id,
+            subject_id=subject_id,
+            title=title,
+            description=description,
+            deadline=deadline,
+            created_by=created_by
+        )
+        
+        if assignment_id:
+            logger.info(f"用户[{created_by}] 创建作业[{assignment_id}]: {title}")
+            return {"success": True, "assignment_id": assignment_id}
+        else:
+            return {"success": False, "message": "创建作业失败"}
+    
+    @staticmethod
+    async def update_submission_status(
+        submission_id: int,
+        status: str,
+        comments: Optional[str],
+        apply_deduction: bool,
+        operator_id: int
+    ) -> Dict[str, Any]:
+        """更新作业提交状态"""
+        # 获取提交记录信息
+        submission = await HomeworkModel.get_submission(submission_id)
+        if not submission:
+            return {"success": False, "message": "提交记录不存在"}
+        
+        # 检查权限
+        role = await PermissionChecker.get_user_role(operator_id)
+        if role == "科代表":
+            # 检查是否管理该科目
+            subject_ids = await PermissionChecker.get_user_subject_ids(operator_id)
+            if submission["subject_id"] not in subject_ids:
+                return {"success": False, "message": "无权操作此作业"}
+        elif role != "班主任":
+            return {"success": False, "message": "无权进行此操作"}
+        
+        # 更新状态
+        result = await HomeworkModel.update_submission(
+            submission_id=submission_id,
+            status=status,
+            comments=comments,
+            updated_by=operator_id
+        )
+        
+        if not result:
+            return {"success": False, "message": "更新失败"}
+        
+        # 应用扣分
+        if apply_deduction and status in ["not_submitted", "late"]:
+            # 确定扣分数值
+            if status == "not_submitted":
+                points_change = -settings.DEDUCTION_HOMEWORK_NOT_SUBMIT
+            else:
+                points_change = -settings.DEDUCTION_HOMEWORK_LATE
+            
+            # 创建扣分记录
+            student = await StudentModel.get_by_id(submission["student_id"])
+            if student:
+                await ConductModel.create_record(
+                    student_id=submission["student_id"],
+                    points_change=points_change,
+                    reason=f"作业未提交/迟交: {submission['title']}",
+                    recorder_id=operator_id,
+                    related_type="homework",
+                    related_id=submission["assignment_id"]
+                )
+                
+                # 标记已应用扣分
+                await HomeworkModel.mark_deduction_applied(submission_id)
+        
+        logger.info(f"用户[{operator_id}] 更新作业提交状态[{submission_id}] -> {status}")
+        
+        return {"success": True, "message": "状态更新成功"}