wp-lfnp/lastfm-now-playing.php

<?php
/*
Plugin Name: Last.fm Now Playing Widget
Description: Displays your current or most recent track from Last.fm
Version: 1.0.3
Author: Sophia Atkinson
Author URI: https://sophia.wtf/
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: wp-lfnp
*/

defined("ABSPATH") || exit();

add_action("admin_menu", function () {
    add_options_page(
        "Last.fm Now Playing Settings",
        "Now Playing (Last.fm)",
        "manage_options",
        "lastfm-nowplaying",
        "lastfm_nowplaying_settings_page"
    );
});

function lastfm_nowplaying_settings_page()
{
    if (!current_user_can("manage_options")) {
        return;
    }

    if (
        isset($_POST["lastfm_username"], $_POST["lastfm_apikey"]) &&
        check_admin_referer("lastfm_save_settings", "lastfm_nonce")
    ) {
        update_option("lastfm_username", sanitize_text_field($_POST["lastfm_username"]));
        update_option("lastfm_apikey", sanitize_text_field($_POST["lastfm_apikey"]));
        echo '<div class="updated"><p>Settings saved.</p></div>';
    }

    $username = get_option("lastfm_username", "");
    $apikey   = get_option("lastfm_apikey", "");

    ?>
    <div class="wrap">
        <h1>Last.fm Now Playing Settings</h1>
        <form method="post">
            <?php wp_nonce_field("lastfm_save_settings", "lastfm_nonce"); ?>
            <table class="form-table">
                <tr>
                    <th><label for="lastfm_username">Last.fm Username</label></th>
                    <td><input type="text" name="lastfm_username" value="<?php echo esc_attr($username); ?>" class="regular-text" /></td>
                </tr>
                <tr>
                    <th><label for="lastfm_apikey">Last.fm API Key</label></th>
                    <td><input type="text" name="lastfm_apikey" value="<?php echo esc_attr($apikey); ?>" class="regular-text" /></td>
                </tr>
            </table>
            <?php submit_button("Save Settings"); ?>
        </form>
    </div>
    <?php
}
function lastfm_nowplaying_fetch()
{
    $username = get_option("lastfm_username");
    $apikey   = get_option("lastfm_apikey");

    if (!$username || !$apikey) {
        return [
            "title" => "Not configured",
            "artist" => "",
            "album" => "",
            "image" => "",
            "nowplaying" => false,
            "played_ago" => ""
        ];
    }

    $url = "https://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=" . rawurlencode($username) . "&api_key=" . rawurlencode($apikey) . "&format=json&limit=1";
    $response = wp_remote_get($url, ["timeout" => 10]);

    if (is_wp_error($response)) {
        return ["title" => "Fetch error", "artist" => "", "album" => "", "image" => "", "nowplaying" => false, "played_ago" => ""];
    }

    $data = json_decode(wp_remote_retrieve_body($response), true);
    if (!$data || !isset($data["recenttracks"]["track"][0])) {
        return ["title" => "No tracks", "artist" => "", "album" => "", "image" => "", "nowplaying" => false, "played_ago" => ""];
    }

    $track = $data["recenttracks"]["track"][0];
    $image_url = $track["image"][2]["#text"] ?? "";

    $image_data_uri = "";
    if ($image_url) {
        $img_response = wp_remote_get($image_url, ["timeout" => 10]);
        if (!is_wp_error($img_response)) {
            $img_body = wp_remote_retrieve_body($img_response);
            if ($img_body) {
                $image_data_uri = "data:image/jpeg;base64," . base64_encode($img_body);
            }
        }
    }

    $played_ago = "";
    if (empty($track["@attr"]["nowplaying"]) && isset($track["date"]["uts"])) {
        $timestamp = (int)$track["date"]["uts"];
        $diff = time() - $timestamp;
        if ($diff < 60) {
            $played_ago = $diff . " seconds ago";
        } elseif ($diff < 3600) {
            $played_ago = floor($diff / 60) . " minutes ago";
        } elseif ($diff < 86400) {
            $played_ago = floor($diff / 3600) . " hours ago";
        } else {
            $played_ago = floor($diff / 86400) . " days ago";
        }
    }

    return [
        "title" => $track["name"] ?? "Unknown",
        "artist" => $track["artist"]["#text"] ?? "",
        "album" => $track["album"]["#text"] ?? "",
        "image" => $image_data_uri,
        "nowplaying" => isset($track["@attr"]["nowplaying"]),
        "played_ago" => $played_ago
    ];
}
add_shortcode("now-playing-widget", function () {
    wp_enqueue_style(
        "lastfm-nowplaying-style",
        plugin_dir_url(__FILE__) . "css/style.css"
    );

    $track = lastfm_nowplaying_fetch();

    ob_start();
    ?>
    <div class="lfnp" id="widget">
      <img title="<?php echo esc_attr($track["album"]); ?>"
           id="cover"
           src="<?php echo esc_attr($track["image"]); ?>"
           alt="Album cover" />
      <div title="<?php echo esc_attr($track["title"]); ?>" id="title"><?php echo esc_html($track["title"]); ?></div>
      <div title="<?php echo esc_attr($track["artist"]); ?>" id="artist"><?php echo esc_html($track["artist"]); ?></div>
      <div id="status"
           title="<?php echo !$track["nowplaying"] && $track["played_ago"] ? esc_attr($track["played_ago"]) : ''; ?>">
        <?php echo $track["nowplaying"] ? "Now Playing" : "Last Played"; ?>
      </div>
    </div>
    <?php
    return ob_get_clean();
});

class LastFM_Now_Playing_Widget extends WP_Widget
{
    public function __construct()
    {
        parent::__construct(
            "lastfm_now_playing_widget",
            __("Last.fm Now Playing", "lastfm_nowplaying"),
            ["description" => __("Displays your Last.fm now playing track.", "lastfm_nowplaying")]
        );
    }

    public function widget($args, $instance)
    {
        $title = apply_filters("widget_title", $instance["title"] ?? "");
        echo $args["before_widget"];
        if (!empty($title)) {
            echo $args["before_title"] . esc_html($title) . $args["after_title"];
        }
        echo do_shortcode("[now-playing-widget]");
        echo $args["after_widget"];
    }

    public function form($instance)
    {
        $title = esc_attr($instance["title"] ?? ""); ?>
        <p>
            <label for="<?php echo esc_attr($this->get_field_id("title")); ?>"><?php _e("Title:"); ?></label>
            <input class="widefat" id="<?php echo esc_attr($this->get_field_id("title")); ?>"
                   name="<?php echo esc_attr($this->get_field_name("title")); ?>" type="text"
                   value="<?php echo $title; ?>" />
        </p>
        <?php
    }

    public function update($new_instance, $old_instance)
    {
        $instance = [];
        $instance["title"] = sanitize_text_field($new_instance["title"] ?? "");
        return $instance;
    }
}
add_action("widgets_init", function () {
    register_widget("LastFM_Now_Playing_Widget");
});