from sqlalchemy.orm import Session

from app.modules.legacy_mysql.services.mappers import LegacyMapperMixin
from app.modules.legacy_mysql.services.project_sync import LegacyProjectSyncMixin
from app.modules.legacy_mysql.services.query import LegacyQueryMixin
from app.modules.legacy_mysql.services.task_sync import LegacyTaskSyncMixin


class LegacyMySQLService(
    LegacyTaskSyncMixin,
    LegacyProjectSyncMixin,
    LegacyMapperMixin,
    LegacyQueryMixin,
):
    """Read legacy MySQL data and sync projects into the internal ledger."""

    def __init__(self, db: Session | None):
        self.db = db