wp-content-pilot.php

<?php
/**
 * Plugin Name:       Content Pilot
 * Plugin URI:        https://wpcontentpilot.com
 * Description:       Content Pilot automatically posts contents from various sources based on the predefined keywords.
 * Version:           2.2.3
 * Requires at least: 5.2
 * Requires PHP:      8.0
 * Author:            PluginEver
 * Author URI:        https://pluginever.com
 * License:           GPL v2 or later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain:       wp-content-pilot
 * Domain Path:       /i18n/languages
 * Tested up to:      7.0
 *
 * @package WPContentPilot
 *
 * Copyright (c) 2026 PluginEver (email : support@pluginever.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2 or, at
 * your discretion, any later version, as published by the Free
 * Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

defined( 'ABSPATH' ) || exit(); // Exit if accessed directly.

/**
 * Main ContentPilot Class.
 *
 * @since 1.0.0
 * @class ContentPilot
 */
final class ContentPilot {
	/**
	 * ContentPilot_Pro version.
	 *
	 * @var string
	 *
	 * @since 1.0.0
	 */
	protected $version = '2.2.3';

	/**
	 * The single instance of the class.
	 *
	 * @var ContentPilot
	 *
	 * @since 1.0.0
	 */
	protected static $instance = null;

	/**
	 * Main ContentPilot Instance.
	 *
	 * Ensures only one instance of ContentPilot is loaded or can be loaded.
	 *
	 * @static
	 * @since 1.0.0
	 * @return ContentPilot - Main instance.
	 */
	public static function instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Cloning is forbidden.
	 *
	 * @since 1.0.0
	 */
	public function __clone() {
		_doing_it_wrong( __FUNCTION__, esc_html__( 'Cloning is forbidden.', 'wp-content-pilot' ), '1.0.0' );
	}

	/**
	 * Universalizing instances of this class is forbidden.
	 *
	 * @since 1.0.0
	 */
	public function __wakeup() {
		_doing_it_wrong( __FUNCTION__, esc_html__( 'Universalizing instances of this class is forbidden.', 'wp-content-pilot' ), '1.0.0' );
	}

	/**
	 * ContentPilot constructor.
	 *
	 * @since 1.0.0
	 */
	public function __construct() {
		$this->define_constants();
		$this->define_tables();
		$this->includes();
		$this->init_hooks();
	}

	/**
	 * Define ContentPilot Constants.
	 *
	 * @since 1.0.0
	 * @return void
	 */
	private function define_constants() {
		define( 'WPCP_VERSION', $this->version );
		define( 'WPCP_FILE', __FILE__ );
		define( 'WPCP_PATH', dirname( WPCP_FILE ) );
		define( 'WPCP_INCLUDES', WPCP_PATH . '/includes' );
		define( 'WPCP_MODULES', WPCP_PATH . '/modules' );
		define( 'WPCP_LIBRARY', WPCP_INCLUDES . '/library' );
		define( 'WPCP_URL', plugins_url( '', WPCP_FILE ) );
		define( 'WPCP_VIEWS', WPCP_PATH . '/views' );
		define( 'WPCP_ASSETS_URL', WPCP_URL . '/assets' );
		define( 'WPCP_TEMPLATES_DIR', WPCP_PATH . '/templates' );
	}

	/**
	 * Register custom tables within $wpdb object.
	 *
	 * @since 1.0.0
	 */
	private function define_tables() {
		global $wpdb;
		$tables = array(
			'wpcp_links',
			'wpcp_logs',
			'wpcp_items',
		);
		foreach ( $tables as $table ) {
			$wpdb->$table   = $wpdb->prefix . $table;
			$wpdb->tables[] = $table;
		}
	}

	/**
	 * Include all required files
	 *
	 * @since 1.0.0
	 * @return void
	 */
	public function includes() {
		// Required classes.
		require_once WPCP_INCLUDES . '/class-wpcp-install.php';
		require_once WPCP_PATH . '/vendor/autoload.php';

		// Required functions.
		require_once WPCP_INCLUDES . '/core-functions.php';
		require_once WPCP_INCLUDES . '/action-functions.php';
		require_once WPCP_INCLUDES . '/formatting-functions.php';
		require_once WPCP_INCLUDES . '/post-types.php';
		require_once WPCP_INCLUDES . '/script-functions.php';
		require_once WPCP_INCLUDES . '/class-wpcp-html.php';

		// Required core files.
		// phpcs:disable
		// require_once( WPCP_LIBRARY . '/readability/Readability_OLD.php' );
		// phpcs:enable
		require_once WPCP_LIBRARY . '/readability/Readability.php';
		require_once WPCP_INCLUDES . '/class-wpcp-readability.php';
		require_once WPCP_INCLUDES . '/class-wpcp-logger.php';
		require_once WPCP_INCLUDES . '/class-wpcp-dom.php';
		require_once WPCP_INCLUDES . '/class-wpcp-modules.php';
		require_once WPCP_INCLUDES . '/class-wpcp-module.php';
		require_once WPCP_INCLUDES . '/class-wpcp-notices.php';

		// Required modules.
		require_once WPCP_INCLUDES . '/modules/class-wpcp-article.php';
		require_once WPCP_INCLUDES . '/modules/class-wpcp-feed.php';
		require_once WPCP_INCLUDES . '/modules/class-wpcp-youtube.php';
		require_once WPCP_INCLUDES . '/modules/class-wpcp-envato.php';
		require_once WPCP_INCLUDES . '/modules/class-wpcp-flickr.php';

		if ( is_admin() ) {
			require_once WPCP_INCLUDES . '/admin/class-wpcp-admin.php';
		}

		// Update helper for pro version. This will be removed in the future.
		if ( defined( 'WPCP_PRO_VERSION' ) ) {
			add_filter( 'http_request_args', array( $this, 'pro_updater' ), 10, 2 );
		}
	}

	/**
	 * Pro Updater.
	 *
	 * This is a temporary solution to update the pro version.
	 * This will be removed in the future.
	 *
	 * @param array  $args HTTP request arguments.
	 * @param string $url Request URL.
	 *
	 * @since 2.0.7
	 * @return array $args HTTP request arguments.
	 */
	public function pro_updater( $args, $url ) {
		if ( str_contains( $url, 'pluginever.com' ) && empty( $args['body']['item_id'] ) && 'wp-content-pilot-pro' === $args['body']['slug'] ) {
			$args['body']['item_id'] = absint( '59161' );
		}

		return $args;
	}

	/**
	 * Hook into actions and filters.
	 *
	 * @since 1.0.0
	 */
	private function init_hooks() {
		register_activation_hook( __FILE__, array( 'WPCP_Install', 'activate' ) );
		register_deactivation_hook( __FILE__, array( 'WPCP_Install', 'deactivate' ) );
		register_activation_hook( __FILE__, array( $this, 'activate_cron' ) );
		register_shutdown_function( array( $this, 'log_errors' ) );
		add_action( 'plugins_loaded', array( $this, 'on_plugins_loaded' ), - 1 );
		add_action( 'init', array( $this, 'localization_setup' ) );
		add_filter( 'cron_schedules', array( $this, 'custom_cron_schedules' ), 20 ); // phpcs:ignore WordPress.WP.CronInterval.CronSchedulesInterval
		add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'plugin_action_links' ) );
		add_filter( 'plugin_row_meta', array( $this, 'plugin_row_meta' ), 10, 2 );
	}

	/**
	 * When WP has loaded all plugins, trigger the `content__pilot__loaded` hook.
	 *
	 * This ensures `content__pilot__loaded` is called only after all other plugins
	 * are loaded, to avoid issues caused by plugin directory naming changing
	 *
	 * @since 1.2.5
	 */
	public function on_plugins_loaded() {
		do_action( 'content__pilot__loaded' );
	}

	/**
	 * Initialize plugin for localization
	 *
	 * @since 1.0.0
	 * @return void
	 */
	public function localization_setup() {
		load_plugin_textdomain( 'wp-content-pilot', false, dirname( plugin_basename( __FILE__ ) ) . '/i18n/languages/' );
	}

	/**
	 * Create cron job
	 *
	 * since 1.0.7
	 *
	 * @return void
	 */
	public function activate_cron() {
		wp_schedule_event( time(), 'once_a_minute', 'wpcp_per_minute_scheduled_events' );
		wp_schedule_event( time(), 'daily', 'wpcp_daily_scheduled_events' );
	}

	/**
	 * Plugin action links.
	 *
	 * @param array $links Links.
	 *
	 * @since 1.0.0
	 * @return array
	 */
	public function plugin_action_links( $links ) {
		$action_links = array(
			'settings' => '<a href="' . admin_url( 'edit.php?post_type=wp_content_pilot&page=wpcp-settings' ) . '">' . __( 'Settings', 'wp-content-pilot' ) . '</a>',
		);

		$links = array_merge( $action_links, $links );

		if ( ! defined( 'WPCP_PRO_VERSION' ) ) {
			$upgrade_link  = 'https://wpcontentpilot.com/?utm_source=plugin_action_link&utm_medium=link&utm_campaign=wp-content-pilot-pro&utm_content=Upgrade%20to%20Pro';
			$upgrade_links = array(
				'upgrade' => '<a href="' . esc_url( $upgrade_link ) . '" style="color: red;font-weight: bold;" target="_blank">' . __( 'Go Pro', 'wp-content-pilot' ) . '</a>',
			);

			$links = array_merge( $links, $upgrade_links );
		}

		return $links;
	}

	/**
	 * Add plugin docs links in plugin row links
	 *
	 * @param mixed $links Links.
	 * @param mixed $file File.
	 *
	 * @since 1.2.8
	 * @return array
	 */
	public function plugin_row_meta( $links, $file ) {
		if ( plugin_basename( __FILE__ ) === $file ) {

			$row_meta = array(
				'docs' => '<a href="' . esc_url( apply_filters( 'wpcp_docs_url', 'https://wpcontentpilot.com/docs/' ) ) . '" aria-label="' . esc_attr__( 'View documentation', 'wp-content-pilot' ) . '">' . esc_html__( 'Docs', 'wp-content-pilot' ) . '</a>',
			);

			return array_merge( $links, $row_meta );
		}

		return $links;
	}

	/**
	 * Add custom cron schedule
	 *
	 * @param array $schedules Array of Existing schedules.
	 *
	 * @since 1.0.7
	 * @return mixed
	 */
	public function custom_cron_schedules( $schedules ) {
		$schedules ['once_a_minute'] = array(
			'interval' => 60,
			'display'  => __( 'Once a Minute', 'wp-content-pilot' ),
		);

		return $schedules;
	}

	/**
	 * Log fatal error
	 *
	 * @since 1.2.4
	 */
	public function log_errors() {
		$error = error_get_last();
		if ( $error && in_array( $error['type'], array( E_ERROR, E_PARSE, E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) {
			wpcp_logger()->error( sprintf( /* translators: 1. message, 2. File, 3. Line number */ __( '%1$s in %2$s on line %3$s', 'wp-content-pilot' ), $error['message'], $error['file'], $error['line'] ) . PHP_EOL );
			do_action( 'wpcp_shutdown_error', $error );
		}
	}

	/**
	 * Get version
	 *
	 * @since 1.2.3
	 * @return string Version.
	 */
	public function get_version() {
		return $this->version;
	}

	/**
	 * Module class
	 *
	 * @since 1.2.0
	 * @return WPCP_Modules Module instance
	 */
	public function modules() {
		return WPCP_Modules::instance();
	}
}

/**
 * Returns the main instance of ContentPilot to prevent the need to use globals.
 *
 * @return ContentPilot The main instance.
 *
 * @since 1.0.0
 */
function content_pilot() { // phpcs:ignore Universal.Files.SeparateFunctionsFromOO.Mixed
	return ContentPilot::instance();
}

// Fire off the plugin.
content_pilot();