3.Posts

class Post {
        constructor(title, content) {
            this.title = title;
            this.content = content;
        }

        toString() {
            return `Post: ${this.title}
Content: ${this.content}`;
        }
    }
    class SocialMediaPost extends Post {
        constructor(title, content, likes, dislikes) {
            super(title, content);
            this.likes = likes;
            this.dislikes = dislikes;
            this.comments = [];
        }

        addComment(comment) {
            this.comments.push(comment);
        }

        toString() {
            let baseStr = super.toString();
            if (this.comments.length > 0) {
                return baseStr + `\nRating: ${Number(this.likes) - Number(this.dislikes)}`
                    + `\nComments: \n* ${this.comments.join('\n* ')}`;

            }
            return baseStr + `\nRating: ${this.likes} - ${this.dislikes}`;
        }
    }
    class BlogPost extends Post {
        constructor(title, content) {
            super(title, content);
            this.views = this.view();
        }

        view() {
            if (!this.views) {
                this.views = 0;
            }
            return this.views++;

        }

        toString() {
            let baseStr = super.toString();
            return baseStr + `\nViews: ${this.views}`
        }
    }
    let scm = new BlogPost("TestTitle", "TestContent");
    console.log(scm.toString());
    scm.view();
    console.log(scm.toString());