src/main/java/repository/JokeRepository.java 14

package repository;

import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

import models.Joke;


public class JokeRepository {
    private final Map<Integer, Joke> storage = new HashMap<Integer, Joke>();
    private final AtomicInteger idGenerator = new AtomicInteger(1);

    public List<Joke> findAll() {
        return new ArrayList<>(storage.values());
    }

    public Joke findById(int id) {
        return storage.get(id);
    }

    public int save(Joke joke) {
        int id = idGenerator.getAndIncrement();
        joke.setId(id);
        joke.setCreatedAt(LocalDate.now().format(DateTimeFormatter.ofPattern("dd.MM.yyyy")));
        storage.put(id, joke);
        return id;
    }

    public boolean delete(int id) {
        return storage.remove(id) != null;
    }
}