aswi2020vldc-gitlab/src/main/java/vldc/aswi/service/RoleManagerImpl.java @ 2868bb9a

package vldc.aswi.service;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.EventListener;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Service;
import vldc.aswi.dao.RoleRepository;
import vldc.aswi.domain.Role;

import javax.transaction.Transactional;
import java.util.LinkedList;
import java.util.List;

@Service
@Slf4j
public class RoleManagerImpl implements RoleManager {

    /** Autowired role repository. */
    @Autowired
    private RoleRepository roleRepository;

    /**
     * Initialization setup for role manager. Check if role repository contains records and if not, initialize default values.
     */
    /*
    @EventListener(classes = {
            ContextRefreshedEvent.class
    })
    @Order(1)
    @Transactional
    public void setup() {
        if (this.roleRepository.count() == 0) {
            log.info("No role present, creating 'Admin', 'Studijni referentka', 'Prorektor'.");
            this.addRole("Admin");
            this.addRole("Studijni referentka");
            this.addRole("Prorektor");
        }
    }
     */

    /**
     * Add newly created role into database.
     * @param name - Name of role.
     */
    public void addRole(String name) {
        Role role = new Role(name);
        this.roleRepository.save(role);
    }

    /**
     * Get all roles from database.
     * @return List of roles.
     */
    @Override
    public List<Role> getRoles() {
        List<Role> retVal = new LinkedList<>();
        this.roleRepository.findAll().forEach(retVal::add);
        return retVal;
    }
}