dave-app-w08830/helpers/character_helpers.py

85 lines
2.8 KiB
Python

from typing import Optional, List
from sqlalchemy.orm import Session
from models.character import Character
from schemas.character import CharacterCreate, CharacterSchema
from uuid import UUID
def get_character_by_id(db: Session, character_id: UUID) -> Optional[Character]:
"""
Retrieves a character by its ID.
Args:
db (Session): The database session.
character_id (UUID): The ID of the character to retrieve.
Returns:
Optional[Character]: The character object if found, otherwise None.
"""
return db.query(Character).filter(Character.id == character_id).first()
def get_character_by_name(db: Session, character_name: str) -> Optional[Character]:
"""
Retrieves a character by its name.
Args:
db (Session): The database session.
character_name (str): The name of the character to retrieve.
Returns:
Optional[Character]: The character object if found, otherwise None.
"""
return db.query(Character).filter(Character.name == character_name).first()
def create_character(db: Session, character_data: CharacterCreate) -> Character:
"""
Creates a new character in the database.
Args:
db (Session): The database session.
character_data (CharacterCreate): The data for the character to create.
Returns:
Character: The newly created character object.
"""
existing_character = get_character_by_name(db, character_data.name)
if existing_character:
raise ValueError(f"Character with name '{character_data.name}' already exists.")
db_character = Character(**character_data.dict())
db.add(db_character)
db.commit()
db.refresh(db_character)
return db_character
def get_all_characters(db: Session) -> List[CharacterSchema]:
"""
Retrieves all characters from the database.
Args:
db (Session): The database session.
Returns:
List[CharacterSchema]: A list of all character objects.
"""
characters = db.query(Character).all()
return [CharacterSchema.from_orm(character) for character in characters]
def search_characters(db: Session, name: Optional[str] = None, bounty: Optional[int] = None) -> List[CharacterSchema]:
"""
Searches for characters based on name and/or bounty.
Args:
db (Session): The database session.
name (Optional[str]): The name of the character to search for.
bounty (Optional[int]): The bounty of the character to search for.
Returns:
List[CharacterSchema]: A list of character objects matching the search criteria.
"""
query = db.query(Character)
if name:
query = query.filter(Character.name.ilike(f"%{name}%"))
if bounty:
query = query.filter(Character.bounty == bounty)
characters = query.all()
return [CharacterSchema.from_orm(character) for character in characters]