Vladless
140 lines
5.0 KiB
Python
140 lines
5.0 KiB
Python
import hashlib
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from datetime import datetime
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from sqlalchemy import delete, insert, select, update
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy.ext.asyncio import AsyncSession
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from database.models import Server, Tariff
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from logger import logger
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def create_subgroup_hash(subgroup_title: str, group_code: str) -> str:
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if not subgroup_title:
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return ""
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unique_key = f"{subgroup_title}:{group_code}"
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hash_object = hashlib.md5(unique_key.encode("utf-8"))
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return hash_object.hexdigest()[:8]
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async def find_subgroup_by_hash(session: AsyncSession, subgroup_hash: str, group_code: str) -> str | None:
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result = await session.execute(
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select(Tariff.subgroup_title)
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.where(Tariff.group_code == group_code, Tariff.subgroup_title.isnot(None))
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.distinct()
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)
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subgroups = [row[0] for row in result.fetchall()]
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for subgroup_title in subgroups:
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if create_subgroup_hash(subgroup_title, group_code) == subgroup_hash:
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return subgroup_title
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return None
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async def get_tariffs(session: AsyncSession, tariff_id: int = None, group_code: str = None):
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try:
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if tariff_id:
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result = await session.execute(select(Tariff).where(Tariff.id == tariff_id))
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elif group_code:
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result = await session.execute(select(Tariff).where(Tariff.group_code == group_code).order_by(Tariff.id))
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else:
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result = await session.execute(select(Tariff))
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return [dict(r.__dict__) for r in result.scalars().all()]
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при получении тарифов: {e}")
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return []
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async def get_tariff_by_id(session: AsyncSession, tariff_id: int):
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try:
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result = await session.execute(select(Tariff).where(Tariff.id == tariff_id))
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tariff = result.scalar_one_or_none()
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return dict(tariff.__dict__) if tariff else None
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при получении тарифа по ID {tariff_id}: {e}")
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return None
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async def get_tariffs_for_cluster(session: AsyncSession, cluster_name: str):
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try:
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server_row = await session.execute(
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select(Server.tariff_group).where(Server.cluster_name == cluster_name).limit(1)
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)
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row = server_row.first()
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if not row:
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server_row = await session.execute(
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select(Server.tariff_group).where(Server.server_name == cluster_name).limit(1)
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)
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row = server_row.first()
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if not row or not row[0]:
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return []
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group_code = row[0]
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result = await session.execute(
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select(Tariff).where(Tariff.group_code == group_code, Tariff.is_active.is_(True)).order_by(Tariff.id)
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)
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return [dict(r.__dict__) for r in result.scalars().all()]
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при получении тарифов для кластера {cluster_name}: {e}")
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return []
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async def create_tariff(session: AsyncSession, data: dict):
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try:
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data["created_at"] = datetime.utcnow()
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data["updated_at"] = datetime.utcnow()
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stmt = insert(Tariff).values(**data).returning(Tariff)
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result = await session.execute(stmt)
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await session.commit()
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return result.scalar_one()
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при создании тарифа: {e}")
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await session.rollback()
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return None
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async def update_tariff(session: AsyncSession, tariff_id: int, updates: dict):
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if not updates:
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return False
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try:
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updates["updated_at"] = datetime.utcnow()
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await session.execute(update(Tariff).where(Tariff.id == tariff_id).values(**updates))
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await session.commit()
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return True
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при обновлении тарифа ID={tariff_id}: {e}")
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await session.rollback()
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return False
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async def delete_tariff(session: AsyncSession, tariff_id: int):
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try:
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await session.execute(delete(Tariff).where(Tariff.id == tariff_id))
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await session.commit()
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return True
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при удалении тарифа ID={tariff_id}: {e}")
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await session.rollback()
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return False
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async def check_tariff_exists(session: AsyncSession, tariff_id: int):
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try:
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result = await session.execute(select(Tariff).where(Tariff.id == tariff_id, Tariff.is_active.is_(True)))
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tariff = result.scalar_one_or_none()
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if tariff:
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logger.info(f"[TARIFF] Тариф {tariff_id} найден в БД: {tariff.group_code}")
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return True
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logger.warning(f"[TARIFF] Тариф {tariff_id} не найден в БД")
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return False
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except SQLAlchemyError as e:
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logger.error(f"[TARIFF] Ошибка при проверке тарифа {tariff_id}: {e}")
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return False
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