331 lines
12 KiB
Python
331 lines
12 KiB
Python
# mmc/src/schedule/database.py
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from sqlalchemy import delete, func, select, update
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from src.common.database.core import get_db_session
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from src.common.database.core.models import MonthlyPlan
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from src.common.logger import get_logger
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from src.config.config import global_config
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logger = get_logger("schedule_database")
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async def add_new_plans(plans: list[str], month: str):
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"""
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批量添加新生成的月度计划到数据库，并确保不超过上限。
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:param plans: 计划内容列表。
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:param month: 目标月份，格式为 "YYYY-MM"。
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"""
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async with get_db_session() as session:
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try:
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# 1. 获取当前有效计划数量（状态为 'active'）
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result = await session.execute(
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select(func.count(MonthlyPlan.id)).where(
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MonthlyPlan.target_month == month, MonthlyPlan.status == "active"
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)
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)
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current_plan_count = result.scalar_one()
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# 2. 从配置获取上限
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max_plans = global_config.planning_system.max_plans_per_month
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# 3. 计算还能添加多少计划
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remaining_slots = max_plans - current_plan_count
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if remaining_slots <= 0:
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logger.info(f"{month} 的月度计划已达到上限 ({max_plans}条)，不再添加新计划。")
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return
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# 4. 截取可以添加的计划
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plans_to_add = plans[:remaining_slots]
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new_plan_objects = [
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MonthlyPlan(plan_text=plan, target_month=month, status="active") for plan in plans_to_add
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]
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session.add_all(new_plan_objects)
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await session.commit()
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logger.info(f"成功向数据库添加了 {len(new_plan_objects)} 条 {month} 的月度计划。")
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if len(plans) > len(plans_to_add):
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logger.info(f"由于达到月度计划上限，有 {len(plans) - len(plans_to_add)} 条计划未被添加。")
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except Exception as e:
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logger.error(f"添加月度计划时发生错误: {e}")
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await session.rollback()
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raise
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async def get_active_plans_for_month(month: str) -> list[MonthlyPlan]:
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"""
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获取指定月份所有状态为 'active' 的计划。
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:param month: 目标月份，格式为 "YYYY-MM"。
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:return: MonthlyPlan 对象列表。
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"""
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async with get_db_session() as session:
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try:
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result = await session.execute(
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select(MonthlyPlan)
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.where(MonthlyPlan.target_month == month, MonthlyPlan.status == "active")
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.order_by(MonthlyPlan.created_at.desc())
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)
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return list(result.scalars().all())
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except Exception as e:
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logger.error(f"查询 {month} 的有效月度计划时发生错误: {e}")
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return []
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async def mark_plans_completed(plan_ids: list[int]):
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"""
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将指定ID的计划标记为已完成。
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:param plan_ids: 需要标记为完成的计划ID列表。
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"""
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if not plan_ids:
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return
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async with get_db_session() as session:
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try:
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result = await session.execute(select(MonthlyPlan).where(MonthlyPlan.id.in_(plan_ids)))
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plans_to_mark = result.scalars().all()
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if not plans_to_mark:
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logger.info("没有需要标记为完成的月度计划。")
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return
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plan_details = "\n".join([f" {i + 1}. {plan.plan_text}" for i, plan in enumerate(plans_to_mark)])
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logger.info(f"以下 {len(plans_to_mark)} 条月度计划将被标记为已完成:\n{plan_details}")
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await session.execute(update(MonthlyPlan).where(MonthlyPlan.id.in_(plan_ids)).values(status="completed"))
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await session.commit()
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except Exception as e:
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logger.error(f"标记月度计划为完成时发生错误: {e}")
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await session.rollback()
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raise
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async def delete_plans_by_ids(plan_ids: list[int]):
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"""
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根据ID列表从数据库中物理删除月度计划。
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:param plan_ids: 需要删除的计划ID列表。
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"""
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if not plan_ids:
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return
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async with get_db_session() as session:
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try:
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# 先查询要删除的计划，用于日志记录
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result = await session.execute(select(MonthlyPlan).where(MonthlyPlan.id.in_(plan_ids)))
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plans_to_delete = result.scalars().all()
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if not plans_to_delete:
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logger.info("没有找到需要删除的月度计划。")
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return
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plan_details = "\n".join([f" {i + 1}. {plan.plan_text}" for i, plan in enumerate(plans_to_delete)])
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logger.info(f"检测到月度计划超额，将删除以下 {len(plans_to_delete)} 条计划:\n{plan_details}")
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# 执行删除
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await session.execute(delete(MonthlyPlan).where(MonthlyPlan.id.in_(plan_ids)))
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await session.commit()
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except Exception as e:
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logger.error(f"删除月度计划时发生错误: {e}")
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await session.rollback()
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raise
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async def update_plan_usage(plan_ids: list[int], used_date: str):
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"""
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更新计划的使用统计信息。
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:param plan_ids: 使用的计划ID列表。
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:param used_date: 使用日期，格式为 "YYYY-MM-DD"。
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"""
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if not plan_ids:
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return
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async with get_db_session() as session:
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try:
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# 获取完成阈值配置，如果不存在则使用默认值
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completion_threshold = getattr(global_config.planning_system, "completion_threshold", 3)
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# 批量更新使用次数和最后使用日期
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await session.execute(
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update(MonthlyPlan)
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.where(MonthlyPlan.id.in_(plan_ids))
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.values(usage_count=MonthlyPlan.usage_count + 1, last_used_date=used_date)
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)
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# 检查是否有计划达到完成阈值
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result = await session.execute(
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select(MonthlyPlan).where(
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MonthlyPlan.id.in_(plan_ids),
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MonthlyPlan.usage_count >= completion_threshold,
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MonthlyPlan.status == "active",
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)
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)
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plans_to_complete = result.scalars().all()
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if plans_to_complete:
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completed_ids = [plan.id for plan in plans_to_complete]
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await session.execute(
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update(MonthlyPlan).where(MonthlyPlan.id.in_(completed_ids)).values(status="completed")
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)
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logger.info(f"计划 {completed_ids} 已达到使用阈值 ({completion_threshold})，标记为已完成。")
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await session.commit()
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logger.info(f"成功更新了 {len(plan_ids)} 条月度计划的使用统计。")
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except Exception as e:
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logger.error(f"更新月度计划使用统计时发生错误: {e}")
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await session.rollback()
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raise
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async def get_smart_plans_for_daily_schedule(month: str, max_count: int = 3, avoid_days: int = 7) -> list[MonthlyPlan]:
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"""
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智能抽取月度计划用于每日日程生成。
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抽取规则：
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1. 避免短期内重复（avoid_days 天内不重复抽取同一个计划）
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2. 优先抽取使用次数较少的计划
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3. 在满足以上条件的基础上随机抽取
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:param month: 目标月份，格式为 "YYYY-MM"。
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:param max_count: 最多抽取的计划数量。
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:param avoid_days: 避免重复的天数。
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:return: MonthlyPlan 对象列表。
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"""
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from datetime import datetime, timedelta
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async with get_db_session() as session:
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try:
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# 计算避免重复的日期阈值
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avoid_date = (datetime.now() - timedelta(days=avoid_days)).strftime("%Y-%m-%d")
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# 查询符合条件的计划
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query = select(MonthlyPlan).where(MonthlyPlan.target_month == month, MonthlyPlan.status == "active")
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# 排除最近使用过的计划
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query = query.where((MonthlyPlan.last_used_date.is_(None)) | (MonthlyPlan.last_used_date < avoid_date))
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# 按使用次数升序排列，优先选择使用次数少的
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result = await session.execute(query.order_by(MonthlyPlan.usage_count.asc()))
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plans = result.scalars().all()
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if not plans:
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logger.info(f"没有找到符合条件的 {month} 月度计划。")
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return []
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# 如果计划数量超过需要的数量，进行随机抽取
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if len(plans) > max_count:
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import random
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plans = random.sample(plans, max_count)
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logger.info(f"智能抽取了 {len(plans)} 条 {month} 的月度计划用于每日日程生成。")
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return list(plans)
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except Exception as e:
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logger.error(f"智能抽取 {month} 的月度计划时发生错误: {e}")
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return []
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async def archive_active_plans_for_month(month: str):
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"""
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将指定月份所有状态为 'active' 的计划归档为 'archived'。
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通常在月底调用。
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:param month: 目标月份，格式为 "YYYY-MM"。
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"""
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async with get_db_session() as session:
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try:
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result = await session.execute(
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update(MonthlyPlan)
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.where(MonthlyPlan.target_month == month, MonthlyPlan.status == "active")
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.values(status="archived")
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)
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updated_count = result.rowcount
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await session.commit()
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logger.info(f"成功将 {updated_count} 条 {month} 的活跃月度计划归档。")
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return updated_count
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except Exception as e:
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logger.error(f"归档 {month} 的月度计划时发生错误: {e}")
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await session.rollback()
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raise
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async def get_archived_plans_for_month(month: str) -> list[MonthlyPlan]:
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"""
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获取指定月份所有状态为 'archived' 的计划。
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用于生成下个月计划时的参考。
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:param month: 目标月份，格式为 "YYYY-MM"。
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:return: MonthlyPlan 对象列表。
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"""
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async with get_db_session() as session:
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try:
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result = await session.execute(
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select(MonthlyPlan).where(MonthlyPlan.target_month == month, MonthlyPlan.status == "archived")
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)
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return list(result.scalars().all())
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except Exception as e:
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logger.error(f"查询 {month} 的归档月度计划时发生错误: {e}")
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return []
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async def has_active_plans(month: str) -> bool:
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"""
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检查指定月份是否存在任何状态为 'active' 的计划。
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:param month: 目标月份，格式为 "YYYY-MM"。
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:return: 如果存在则返回 True，否则返回 False。
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"""
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async with get_db_session() as session:
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try:
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result = await session.execute(
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select(func.count(MonthlyPlan.id)).where(
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MonthlyPlan.target_month == month, MonthlyPlan.status == "active"
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)
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)
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return result.scalar_one() > 0
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except Exception as e:
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logger.error(f"检查 {month} 的有效月度计划时发生错误: {e}")
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return False
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async def delete_plans_older_than(month: str):
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"""
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删除指定月份之前的所有月度计划。
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:param month: 目标月份，格式为 "YYYY-MM"。早于此月份的计划都将被删除。
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"""
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async with get_db_session() as session:
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try:
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# 首先，查询要删除的计划，用于日志记录
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result = await session.execute(select(MonthlyPlan).where(MonthlyPlan.target_month < month))
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plans_to_delete = result.scalars().all()
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if not plans_to_delete:
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logger.info(f"没有找到比 {month} 更早的月度计划需要删除。")
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return 0
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plan_months = sorted({p.target_month for p in plans_to_delete})
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logger.info(f"将删除 {len(plans_to_delete)} 条早于 {month} 的月度计划 (涉及月份: {', '.join(plan_months)})。")
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# 然后，执行删除操作
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delete_stmt = delete(MonthlyPlan).where(MonthlyPlan.target_month < month)
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delete_result = await session.execute(delete_stmt)
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deleted_count = delete_result.rowcount
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await session.commit()
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logger.info(f"成功删除了 {deleted_count} 条旧的月度计划。")
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return deleted_count
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except Exception as e:
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logger.error(f"删除早于 {month} 的月度计划时发生错误: {e}")
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await session.rollback()
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raise
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