backend/buisnesslogic/src/main/java/com/plannaplan/services/LecturerService.java

package com.plannaplan.services;

import java.util.Optional;

import com.plannaplan.entities.Lecturer;
import com.plannaplan.repositories.LecturerRepository;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 *  Service of LecturerService which can get(Lecturer, Lecturers Ammount), save, delete lecturers.
 */
@Service
public class LecturerService {
    @Autowired
    private LecturerRepository repo;

    public Optional<Lecturer> getLecturer(String title, String name, String surname) {
        return repo.find(title, name, surname);
    }

    public Lecturer save(Lecturer lecturer) {
        repo.save(lecturer);
        return lecturer;
    }

    public void delete(Lecturer lecturer) {
        repo.delete(lecturer);
    }

    public int getLecturersAmmount() {
        return (int) this.repo.count();
    }
}