style(backend): apply ruff format

apps/backend/api/tasks.py

@@ -14,15 +14,18 @@ router = APIRouter()
 
 class CronValidateRequest(BaseModel):
     """Cron 表达式验证请求"""
+
     cron_expression: str = Field(..., min_length=9, description="Crontab 表达式")
 
+
 # create_task_from_template: 已在 templates.py 中定义
 
+
 @router.get("/", response_model=List[TaskResponse], summary="获取当前用户的任务列表")
 async def get_tasks(
     include_inactive: bool = True,
     current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
 ):
     """
     获取当前用户的所有打卡任务
@@ -36,16 +39,13 @@ async def get_tasks(
         return enriched_tasks
     except Exception as e:
         raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail=f"获取任务列表失败: {str(e)}"
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"获取任务列表失败: {str(e)}"
         )
 
 
 @router.get("/{task_id}", response_model=TaskResponse, summary="获取任务详情")
 async def get_task(
-    task_id: int,
-    current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    task_id: int, current_user: User = Depends(get_current_user), db: Session = Depends(get_db)
 ):
     """
     获取指定任务的详情
@@ -66,7 +66,7 @@ async def update_task(
     task_id: int,
     task_data: TaskUpdate,
     current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    db: Session = Depends(get_db),
 ):
     """
     更新指定任务的信息
@@ -82,19 +82,14 @@ async def update_task(
     task = TaskService.update_task(task_id, task_data, db)
 
     if not task:
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="任务不存在"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="任务不存在")
 
     return task
 
 
 @router.delete("/{task_id}", status_code=status.HTTP_204_NO_CONTENT, summary="删除任务")
 async def delete_task(
-    task_id: int,
-    current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    task_id: int, current_user: User = Depends(get_current_user), db: Session = Depends(get_db)
 ):
     """
     删除指定任务
@@ -110,17 +105,12 @@ async def delete_task(
     success = TaskService.delete_task(task_id, db)
 
     if not success:
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="任务不存在"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="任务不存在")
 
 
 @router.post("/{task_id}/toggle", response_model=TaskResponse, summary="切换任务启用状态")
 async def toggle_task(
-    task_id: int,
-    current_user: User = Depends(get_current_user),
-    db: Session = Depends(get_db)
+    task_id: int, current_user: User = Depends(get_current_user), db: Session = Depends(get_db)
 ):
     """
     切换任务的启用/禁用状态
@@ -136,10 +126,7 @@ async def toggle_task(
     task = TaskService.toggle_task(task_id, db)
 
     if not task:
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="任务不存在"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="任务不存在")
 
     return task
 
@@ -167,8 +154,7 @@ async def validate_cron_expression(request: CronValidateRequest):
 
     if not cron_expr:
         raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="cron_expression 是必需的"
+            status_code=status.HTTP_400_BAD_REQUEST, detail="cron_expression 是必需的"
         )
 
     try:
@@ -179,18 +165,17 @@ async def validate_cron_expression(request: CronValidateRequest):
 
         # 生成接下来的 5 个执行时间
         cron = croniter(cron_expr, datetime.now())
-        next_times = [cron.get_next(datetime).strftime('%Y-%m-%d %H:%M:%S') for _ in range(5)]
+        next_times = [cron.get_next(datetime).strftime("%Y-%m-%d %H:%M:%S") for _ in range(5)]
 
         return {
             "valid": True,
             "message": "有效的 Crontab 表达式",
             "next_times": next_times,
-            "description": generate_cron_description(cron_expr)
+            "description": generate_cron_description(cron_expr),
         }
     except Exception as e:
         raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"无效的 Crontab 表达式: {str(e)}"
+            status_code=status.HTTP_400_BAD_REQUEST, detail=f"无效的 Crontab 表达式: {str(e)}"
         )
 
 
@@ -203,11 +188,11 @@ def generate_cron_description(cron_expr: str) -> str:
     minute, hour, day, month, dow = parts
 
     descriptions = []
-    if hour == '*' and minute == '*':
+    if hour == "*" and minute == "*":
         descriptions.append("每分钟")
-    elif hour == '*':
+    elif hour == "*":
         descriptions.append(f"每小时的第 {minute} 分钟")
-    elif day == '*' and month == '*' and dow == '*':
+    elif day == "*" and month == "*" and dow == "*":
         descriptions.append(f"每天 {hour}:{minute:0>2}")
     else:
         descriptions.append(f"复杂的时间表: {cron_expr}")