147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
import logging
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from aiohttp import web
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from app.features.conditions.models import ConditionModel
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from app.features.conditions.repository import ConditionsRepository
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from app.library.Events import EventBus, Events
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from app.library.mini_filter import match_str
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from app.library.Singleton import Singleton
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LOG: logging.Logger = logging.getLogger("feature.conditions")
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class Conditions(metaclass=Singleton):
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def __init__(self):
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self._repo: ConditionsRepository = ConditionsRepository.get_instance()
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@staticmethod
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def get_instance() -> "Conditions":
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return Conditions()
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async def on_shutdown(self, _: web.Application):
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pass
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def attach(self, _: web.Application):
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async def handle_event(_, __):
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await self._repo.run_migrations()
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EventBus.get_instance().subscribe(Events.STARTED, handle_event, "ConditionsRepository.run_migrations")
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async def get_all(self) -> list[ConditionModel]:
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return await self._repo.list()
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async def save(self, item: ConditionModel | dict) -> ConditionModel:
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"""
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Save the item.
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Args:
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item (Condition|dict): The items to save.
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Returns:
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ConditionModel: The current instance.
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"""
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try:
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if not isinstance(item, ConditionModel):
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item: ConditionModel = ConditionModel(**item)
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except Exception as exc:
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msg: str = f"Failed to parse item. '{exc!s}'"
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raise ValueError(msg) from exc
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try:
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repo = self._repo
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if item.id is None or 0 == item.id:
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model = await repo.create(item)
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else:
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model = await repo.update(item.id, item.serialize())
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except KeyError as exc:
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raise ValueError(str(exc)) from exc
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return model
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async def has(self, identifier: str) -> bool:
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"""
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Check if the item exists by id or name.
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Args:
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identifier (str): The id or name of the preset.
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Returns:
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bool: True if the item exists, False otherwise.
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"""
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return await self.get(identifier) is not None
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async def get(self, identifier: str) -> ConditionModel | None:
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"""
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Get the item by id or name.
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Args:
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identifier (str): The id or name of the preset.
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Returns:
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ConditionModel|None: The item if found, None otherwise.
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"""
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repo = self._repo
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return await repo.get(identifier)
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async def match(self, info: dict) -> ConditionModel | None:
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"""
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Check if any condition matches the info dict.
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Args:
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info (dict): The info dict to check.
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Returns:
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Condition|None: The condition if found, None otherwise.
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"""
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if not info or not isinstance(info, dict) or len(info) < 1:
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return None
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repo = self._repo
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items: list[ConditionModel] = await repo.list()
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if len(items) < 1:
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return None
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for item in sorted(items, key=lambda x: x.priority, reverse=True):
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if not item.enabled:
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continue
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if not item.filter:
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LOG.error(f"Filter is empty for '{item.name}'.")
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continue
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try:
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if not match_str(item.filter, info):
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continue
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LOG.debug(f"Matched '{item.id}: {item.name}' with filter '{item.filter}'.")
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return item
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except Exception as e:
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LOG.error(f"Failed to evaluate '{item.id}: {item.name}'. '{e!s}'.")
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continue
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return None
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async def single_match(self, identifier: int | str, info: dict) -> ConditionModel | None:
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"""
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Check if condition matches the info dict.
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Args:
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identifier (int|str): The id or name of the item.
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info (dict): The info dict to check.
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Returns:
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ConditionModel|None: The condition if found, None otherwise.
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"""
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if not info or not isinstance(info, dict) or len(info) < 1:
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return None
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if not (item := await self.get(identifier)) or not item.enabled or not item.filter:
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return None
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return item if match_str(item.filter, info) else None
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