source: Git/Sources/src/main/java/com/wediscussmovies/project/service/PersonService.java

package com.wediscussmovies.project.service;

import com.wediscussmovies.project.ajaxmodels.Grade;
import com.wediscussmovies.project.model.Movie;
import com.wediscussmovies.project.model.Person;
import com.wediscussmovies.project.model.User;
import com.wediscussmovies.project.model.relation.MovieLikes;

import java.sql.Date;
import java.util.List;
import java.util.stream.Collectors;

public interface PersonService {
    List<Person> findAll();
     List<Person> findAllDirectors();
     List<Person> findAllActors();
    Person findById(Integer person_id);

    Person  save(String name, String surname, Character type,
                 Date birthDate, String image_url, String description, List<Integer> movieIds);

    Person edit(Integer personId, String name, String surname, Character type,
                Date birthDate, String image_url, String description, List<Integer> movieIds);

    List<Person> findPersonsByNameOrSurname(Character type,String searchQuery);

    List<Movie> findAllMoviesByPerson(Person person);

    void deleteById(Integer id);
    void addGradePerson(Integer personId, User user, Grade grade);
}