Files
service-finder/backend/app/services/harvester_base.py

45 lines
1.7 KiB
Python

# /app/services/harvester_base.py
import httpx
import logging
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select
from app.models.asset import AssetCatalog
logger = logging.getLogger(__name__)
class BaseHarvester:
def __init__(self, category: str):
self.category = category # car, bike, truck
self.headers = {"User-Agent": "ServiceFinder-Harvester-Bot/2.0"}
async def check_exists(self, db: AsyncSession, brand: str, model: str, gen: str = None):
"""Ellenőrzi a katalógusban való létezést."""
stmt = select(AssetCatalog).where(
AssetCatalog.make == brand,
AssetCatalog.model == model,
AssetCatalog.vehicle_class == self.category
)
if gen:
stmt = stmt.where(AssetCatalog.generation == gen)
result = await db.execute(stmt)
return result.scalar_one_or_none()
async def log_entry(self, db: AsyncSession, brand: str, model: str, specs: dict):
"""Létrehoz vagy frissít egy bejegyzést az AssetCatalog-ban."""
existing = await self.check_exists(db, brand, model, specs.get("generation"))
if not existing:
new_v = AssetCatalog(
make=brand,
model=model,
generation=specs.get("generation"),
year_from=specs.get("year_from"),
year_to=specs.get("year_to"),
vehicle_class=self.category,
fuel_type=specs.get("fuel_type"),
engine_code=specs.get("engine_code")
)
db.add(new_v)
logger.info(f"🆕 Új katalógus elem: {brand} {model}")
return True
return False