Method fetchPosts

examples/reddit/src/reddit.cpp:34–63

{
  public:
    void fetchPosts(const std::function<void()> &doneHandler)
    {
        net::http::request(
            {bdn::net::http::Method::GET, "https://www.reddit.com/hot.json?limit=100", [this, doneHandler](auto r) {
                 try {
                     json j = json::parse(r->data);

                     for (auto child : j["data"]["children"]) {
                         auto post = std::make_shared<RedditPost>();
                         post->title = child["data"]["title"];
                         post->url = child["data"]["url"];

                         std::string thumbnail = child["data"]["thumbnail"];

                         if (cpp20::starts_with(thumbnail, "https://")) {
                             post->thumbnailUrl = thumbnail;
                         } else {
                             post->thumbnailUrl =
                                 "https://www.redditstatic.com/desktop2x/img/favicon/apple-icon-180x180.png";
                         }
                         posts.push_back(post);
                     }

                     doneHandler();
                 }
                 catch (const json::parse_error &parseError) {
                     bdn::logstream() << "Error parsing json: " << parseError.what();
                 }
             }});
    }

    std::vector<std::shared_ptr<RedditPost>> posts;
};