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from typing import Dict, List, Any
import pickle
import os
from model import ContentBasedRecommender
class EndpointHandler:
def __init__(self, path=""):
model_path = os.path.join(path, "model.pkl")
with open(model_path, 'rb') as f:
self.model = pickle.load(f)
def __call__(self, data: Dict[str, Any]) -> List[Dict[str, Any]]:
user_id = data.pop("user_id", None)
k = data.pop("k", 10) # Default to 10 if not provided
if user_id is None:
return [{"error": "user_id is required"}]
try:
recommended_books = self.model.predict(user_id, k=k)
return [{"recommended_books": recommended_books}]
except Exception as e:
return [{"error": str(e)}]
def load_model(model_path):
handler = EndpointHandler(model_path)
return handler |