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


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package com.mavlushechka.a1qa.utils;

import com.mavlushechka.a1qa.constants.Endpoint;
import com.mavlushechka.a1qa.models.Post;
import com.mavlushechka.a1qa.models.User;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class JSONPlaceholderAPIManager {

    private final static String postsSpec = Endpoint.POSTS.spec;
    private final static String usersSpec = Endpoint.USERS.spec;


    public static Post getPost(int id) throws IOException {
        return JSONParser.convertToObject(URLConnectionManager.get(postsSpec + "/" + id), Post.class);
    }

    public static int getPostResponseCode(int id, String requestMethod) throws IOException {
        return URLConnectionManager.getResponseCode(postsSpec + "/" + id, requestMethod);
    }

    public static List<Post> getPosts() throws IOException {
        return getObjects(postsSpec, Post.class);
    }

    public static int getPostsResponseCode(String requestMethod) throws IOException {
        return URLConnectionManager.getResponseCode(postsSpec, requestMethod);
    }

    public static Post postPost(Post post) throws IOException {
        return JSONParser.convertToObject(URLConnectionManager.post(postsSpec, JSONParser.convertToJSON(post)), Post.class);
    }

    public static User getUser(int id) throws IOException {
        return JSONParser.convertToObject(URLConnectionManager.get(usersSpec + "/" + id), User.class);
    }

    public static List<User> getUsers() throws IOException {
        return getObjects(usersSpec, User.class);
    }

    public static int getUsersResponseCode(String requestMethod) throws IOException {
        return URLConnectionManager.getResponseCode(usersSpec, requestMethod);
    }

    private static <T> List<T> getObjects(String spec, Class<T> classOfObject) throws IOException {
        Object[] objects = JSONParser.convertArray(URLConnectionManager.get(spec), classOfObject);
        ArrayList<T> objectsArrayList = new ArrayList<>();

        for (Object object : objects) {
            objectsArrayList.add((T) object);
        }
        return objectsArrayList.stream().toList();
    }

}