text: from bson.objectid import ObjectId
  from fastapi import APIRouter, Depends, HTTPException, status
  from mongomapper.errors import DocumentNotFoundError
  
  from app.models import User, Tip
  from app.dependencies import get_current_user
  
  router = APIRouter(prefix='/tipping_jar')
  
  @router.get('/')
  def list_tips(current_user: User = Depends(get_current_user)):
    """Lists tips made by the current user"""
    tips = Tip.all(target=current_user.reference)
    return [tip.json() for tip in tips]
  
  @router.get('/{tip_id}')
  def get_tip(tip_id: str, current_user: User = Depends(get_current_user)):
    """Get a tip made by the current user"""
    try:
      tip = Tip.get(tip_id, target=current_user.reference)
    except DocumentNotFoundError:
      raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
    
    return tip.json()