src/main/java/com/mavlushechka/a1qa/project/utils/VkApiUtils.java


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package com.mavlushechka.a1qa.project.utils;

import com.mavlushechka.a1qa.project.constants.VkApiMethod;
import com.mavlushechka.a1qa.framework.utils.JsonParser;
import com.mavlushechka.a1qa.framework.utils.UrlConnectionManager;
import com.mavlushechka.a1qa.project.models.Liker;
import com.mavlushechka.a1qa.project.models.Post;
import com.mavlushechka.a1qa.project.models.User;
import org.json.JSONObject;

import java.io.IOException;

public class VkApiUtils {


    private final static double apiVersion = 5.131;
    private final static String url = "https://api.vk.com/method/%s?v=" + apiVersion + "&%s&access_token=" + System.getProperty("vkontakte.account.token");


    public static User getCurrentUser() throws IOException {
        return JsonParser.convertToObject(
                new JSONObject(UrlConnectionManager.get(url.formatted(VkApiMethod.USERS_GET.name, "")))
                        .getJSONArray("response").get(0).toString(), User.class
        );
    }

    public static int createPost(String message) throws IOException {
        return new JSONObject(UrlConnectionManager.get(url.formatted(VkApiMethod.WALL_POST.name, "message=" + message)))
                .getJSONObject("response").getInt("post_id");
    }

    public static void editPost(Post post, Post editedPost) throws IOException {
        UrlConnectionManager.get(
                url.formatted(
                        VkApiMethod.WALL_EDIT.name,
                        "post_id=" + post.id() + "&message=" + editedPost.message() + "&attachments=" + editedPost.attachment()
                )
        );
    }

    public static void deletePost(Post post) throws IOException {
        UrlConnectionManager.get(url.formatted(VkApiMethod.WALL_DELETE.name, "post_id=" + post.id()));
    }

    public static int createComment(int postId, String message) throws IOException {
        return new JSONObject(UrlConnectionManager.get(
                url.formatted(
                        VkApiMethod.WALL_CREATE_COMMENT.name, "post_id=" + postId +  "&message=" + message
                )
        )).getJSONObject("response").getInt("comment_id");
    }

    public static boolean containsLike(Post post, User user) throws IOException {
        Object[] users = JsonParser.convertArray(new JSONObject(UrlConnectionManager.get(
                    url.formatted(VkApiMethod.WALL_GET_LIKES.name, "post_id=" + post.id())
                )).getJSONObject("response").getJSONArray("users").toString(),
                Liker.class
        );

        for (Object userObject : users) {
            if (((Liker) userObject).getUid() == user.getId()) {
                return true;
            }
        }
        return false;
    }

}