ytptube/app/features/tasks/migration.py
2026-05-28 19:07:11 +03:00

124 lines
4.8 KiB
Python

from __future__ import annotations
import json
from pathlib import Path
from typing import TYPE_CHECKING, Any
from app.features.core.migration import Migration as FeatureMigration
from app.features.tasks.schemas import Task
from app.library.config import Config
from app.library.log import get_logger
if TYPE_CHECKING:
from app.features.tasks.repository import TasksRepository
LOG = get_logger()
class Migration(FeatureMigration):
name: str = "tasks"
def __init__(self, repo: TasksRepository, config: Config | None = None):
self._config: Config = config or Config.get_instance()
super().__init__(config=self._config)
self._repo: TasksRepository = repo
self._source_file: Path = Path(self._config.config_path) / "tasks.json"
async def should_run(self) -> bool:
return self._source_file.exists()
async def migrate(self) -> None:
if await self._repo.count() > 0:
LOG.warning("Tasks already exist in the database; skipping migration.")
await self._move_file(self._source_file)
return
try:
items: list[dict[str, Any]] | None = json.loads(self._source_file.read_text())
except Exception as exc:
LOG.exception(
"Failed to read tasks migration file '%s'. Ignoring.",
self._source_file,
extra={"file_path": str(self._source_file), "exception_type": type(exc).__name__},
)
await self._move_file(self._source_file)
return
if items is None:
LOG.warning("No tasks found in %s; skipping migration.", self._source_file)
await self._move_file(self._source_file)
return
inserted = 0
seen_names: dict[str, int] = {}
for index, item in enumerate(items):
if not (normalized := self._normalize(item, index, seen_names)):
continue
try:
await self._repo.create(normalized)
inserted += 1
except Exception as exc:
LOG.exception(
"Failed to insert task '%s'.",
normalized["name"],
extra={"task_name": normalized["name"], "exception_type": type(exc).__name__},
)
LOG.info("Migrated %s task(s) from %s.", inserted, self._source_file)
await self._move_file(self._source_file)
def _normalize(self, item: Any, index: int, seen_names: dict[str, int]) -> dict[str, Any] | None:
if not isinstance(item, dict):
LOG.warning("Skipping task at index %s due to invalid type.", index)
return None
assert isinstance(item, dict)
name: str | None = item.get("name")
if not name or not isinstance(name, str):
LOG.warning("Skipping task at index %s due to missing name.", index)
return None
normalized_name = name.strip()
if not normalized_name:
LOG.warning("Skipping task at index %s due to empty name.", index)
return None
name = self._unique_name(normalized_name, seen_names)
url: str | None = item.get("url")
if not url or not isinstance(url, str):
LOG.warning("Skipping task '%s' at index %s due to missing URL.", name, index)
return None
url = url.strip()
if not url:
LOG.warning("Skipping task '%s' at index %s due to empty URL.", name, index)
return None
folder: str = item.get("folder") if isinstance(item.get("folder"), str) else ""
preset: str = item.get("preset") if isinstance(item.get("preset"), str) else ""
timer: str = item.get("timer") if isinstance(item.get("timer"), str) else ""
template: str = item.get("template") if isinstance(item.get("template"), str) else ""
cli: str = item.get("cli") if isinstance(item.get("cli"), str) else ""
auto_start: bool = item.get("auto_start") if isinstance(item.get("auto_start"), bool) else True
handler_enabled: bool = item.get("handler_enabled") if isinstance(item.get("handler_enabled"), bool) else True
enabled: bool = item.get("enabled") if isinstance(item.get("enabled"), bool) else True
try:
validated = Task(
name=name,
url=url,
folder=folder,
preset=preset,
timer=timer,
template=template,
cli=cli,
auto_start=auto_start,
handler_enabled=handler_enabled,
enabled=enabled,
)
return validated.model_dump()
except Exception as e:
LOG.warning("Skipping task '%s' at index %s due to validation error: %s", name, index, e)
return None