from abc import ABC, abstractmethod

class PostRepository(ABC):
    
    @abstractmethod
    def list(self, page=1, per_page=10, order_by="-created"): pass
    
    @abstractmethod
    def add(self, post): pass

    @abstractmethod
    def get(self, post_id): pass

    @abstractmethod
    def update(self, post):
        """Update an existing post."""
        pass

    @abstractmethod
    def delete(self, post_id):
        """Delete a post by its ID."""
        pass


    @abstractmethod
    def search(self, query: str): pass

    @abstractmethod
    def rate_post(self, post_id, user_id, rating: int): pass