45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
from typing import Type, TypeVar, Generic, List, Optional, Any
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from sqlalchemy.orm import Session
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from app.db.database import Base
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from app.services.service_registry import ServiceRegistry
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T = TypeVar('T')
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class BaseService(Generic[T]):
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def __init__(self, model: Type[T]):
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self.model = model
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# Register the service instance
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ServiceRegistry.register(self.__class__.__name__, self)
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def get(self, db: Session, id: int) -> Optional[T]:
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return db.query(self.model).filter(self.model.id == id).first()
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def get_all(self, db: Session, skip: int = 0, limit: int = 100) -> List[T]:
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return db.query(self.model).offset(skip).limit(limit).all()
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def create(self, db: Session, obj_in: dict) -> T:
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db_obj = self.model(**obj_in)
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db.add(db_obj)
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db.commit()
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db.refresh(db_obj)
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return db_obj
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def update(self, db: Session, db_obj: T, obj_in: dict) -> T:
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for field in obj_in:
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if hasattr(db_obj, field):
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setattr(db_obj, field, obj_in[field])
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db.add(db_obj)
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db.commit()
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db.refresh(db_obj)
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return db_obj
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def delete(self, db: Session, id: int) -> bool:
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obj = db.query(self.model).filter(self.model.id == id).first()
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if obj:
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db.delete(obj)
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db.commit()
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return True
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return False
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def get_service(self, service_name: str) -> Any:
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return ServiceRegistry.get(service_name) |