src/main/java/com/mavlushechka/a1qa/utils/Posts.java


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package com.mavlushechka.a1qa.utils;

import com.mavlushechka.a1qa.models.Post;

import java.util.List;
import java.util.stream.IntStream;

public class Posts {

    public static boolean isPostsAscending(List<Post> posts) {
        return IntStream.range(1, posts.size())
                .map(index -> posts.get(index - 1).compareTo(posts.get(index)))
                .allMatch(order -> order <= 0);
    }

}