atmosphere.php

<?php
/**
 * Plugin Name: ATmosphere
 * Plugin URI: https://github.com/pfefferle/atmosphere
 * Description: Publish WordPress posts to AT Protocol (Bluesky + standard.site) via native OAuth.
 * Version: 1.2.0
 * Author: Automattic
 * Author URI: https://automattic.com
 * License: GPL-2.0-or-later
 * License URI: https://spdx.org/licenses/GPL-2.0-or-later.html
 * Text Domain: atmosphere
 * Requires PHP: 8.2
 * Requires at least: 6.5
 *
 * @package Atmosphere
 */

namespace Atmosphere;

\defined( 'ABSPATH' ) || exit;

\define( 'ATMOSPHERE_VERSION', '1.2.0' );
\define( 'ATMOSPHERE_PLUGIN_DIR', \plugin_dir_path( __FILE__ ) );
\define( 'ATMOSPHERE_PLUGIN_URL', \plugin_dir_url( __FILE__ ) );
\define( 'ATMOSPHERE_PLUGIN_FILE', __FILE__ );

/**
 * Post meta key: per-post opt-out from sharing to Bluesky.
 *
 * Stored as a registered, REST-exposed boolean so the block-editor panel
 * can bind a toggle to it. '1' (true) means the author switched sharing
 * off for this post; absent/empty means the default — sharing is on.
 */
\define( 'ATMOSPHERE_META_DISABLED', 'atmosphere_disabled' );

/**
 * Post meta key: per-post custom text for the Bluesky post.
 *
 * Stored as a registered, REST-exposed string so the block-editor panel
 * can bind a textarea to it. When set, this exact text is posted to
 * Bluesky (with a link card back to the post) instead of the text the
 * normal short-form / long-form composition would generate — the
 * Bluesky equivalent of the post excerpt. Empty means the default
 * composition runs unchanged.
 */
\define( 'ATMOSPHERE_META_CUSTOM_TEXT', 'atmosphere_custom_text' );

/*
 * Custom autoloader for Atmosphere classes — maps the Atmosphere
 * namespace to includes/ using WordPress filename conventions.
 */
require_once ATMOSPHERE_PLUGIN_DIR . 'includes/class-autoloader.php';

Autoloader::register_path( __NAMESPACE__ . '\Integrations', ATMOSPHERE_PLUGIN_DIR . 'integrations' );
Autoloader::register_path( __NAMESPACE__, ATMOSPHERE_PLUGIN_DIR . 'includes' );

// Helper functions.
require_once ATMOSPHERE_PLUGIN_DIR . 'includes/functions.php';

/**
 * Initialize the plugin.
 */
function init() {
	$atmosphere = new Atmosphere();
	$atmosphere->init();
}
\add_action( 'plugins_loaded', __NAMESPACE__ . '\init' );

/*
 * Register WP-CLI commands when running under WP-CLI. Gated so the
 * regular web-request path never autoloads the CLI classes.
 */
if ( \defined( 'WP_CLI' ) && \WP_CLI ) {
	Cli::register();
}

/**
 * Activation hook.
 */
function activate() {
	// Generate publication TID on first activation.
	if ( ! \get_option( 'atmosphere_publication_tid' ) ) {
		$tid = Transformer\TID::generate();
		\update_option( 'atmosphere_publication_tid', $tid, false );
	}

	// Flush rewrite rules for client metadata endpoint.
	\flush_rewrite_rules();
}
\register_activation_hook( __FILE__, __NAMESPACE__ . '\activate' );

/**
 * Deactivation hook.
 */
function deactivate() {
	/*
	 * Use the all-hooks variant: deactivation is the user-visible
	 * "stop running everything" moment, so any still-queued one-shot
	 * cron event (notably `atmosphere_revoke_refresh_token`, which
	 * `Client::disconnect()` schedules outside the regular
	 * `clear_scheduled_hooks()` set) must be cleared too. Otherwise
	 * its encrypted ciphertexts sit in `wp_options['cron']` waiting
	 * for a callback the deactivated plugin no longer registers.
	 */
	clear_scheduled_hooks_all();
	\flush_rewrite_rules();
}
\register_deactivation_hook( __FILE__, __NAMESPACE__ . '\deactivate' );