📦 文件分发助手

# 定时任务：每 30 分钟执行一次
from apscheduler.schedulers.background import BackgroundScheduler
from datetime import datetime, timedelta

def check_and_send_reminders():
  # 查询所有未确认的分发记录
  pending_tasks = Task.query.filter_by(status='pending').all()

  for task in pending_tasks:
    now = datetime.now()
    deadline = task.deadline
    time_left = deadline - now

    # 判断提醒级别
    if time_left.days == 1 and not task.reminder_level_1_sent:
      send_reminder(task, level=1)
    elif time_left.total_seconds() <= 14400 and not task.reminder_level_2_sent:
      send_reminder(task, level=2)
    elif now > deadline and task.timeout_reminder_count < 3:
      send_reminder(task, level=3)

# 启动定时任务
scheduler = BackgroundScheduler()
scheduler.add_job(check_and_send_reminders, 'interval', minutes=30)
scheduler.start()