litefeel / writing-on-github

writing-on-github.php

<?php
/**
 * Plugin Name: Writing on GitHub
 * Plugin URI: https://github.com/litefeel/writing-on-github
 * Description: A WordPress plugin to allow you writing on GitHub (or Jekyll site).
 * Version: 1.5.1
 * Author:  litefeel
 * Author URI: https://www.litefeel.com
 * License: GPLv2
 * Text Domain: writing-on-github
 */

// If the functions have already been autoloaded, don't reload.
// This fixes function duplication during unit testing.
if ( defined( 'WRITING_ON_GITHUB_TEST' ) && WRITING_ON_GITHUB_TEST ) {
	$path = dirname( __FILE__ ) . '/vendor/autoload.php';
	include_once $path;
}


// require_once(dirname(__FILE__) . '/Spyc.php');
require_once(dirname(__FILE__) . '/lib/database.php');

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require_once(dirname(__FILE__) . '/lib/admin.php');

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require_once(dirname(__FILE__) . '/lib/payload.php');

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require_once(dirname(__FILE__) . '/lib/post.php');

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// require_once(dirname(__FILE__) . '/lib/cli.php');
require_once(dirname(__FILE__) . '/lib/controller.php');

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require_once(dirname(__FILE__) . '/lib/export.php');

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require_once(dirname(__FILE__) . '/lib/semaphore.php');

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require_once(dirname(__FILE__) . '/lib/request.php');

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require_once(dirname(__FILE__) . '/lib/client/base.php');

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require_once(dirname(__FILE__) . '/lib/client/fetch.php');

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require_once(dirname(__FILE__) . '/lib/client/persist.php');

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require_once(dirname(__FILE__) . '/lib/import.php');

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require_once(dirname(__FILE__) . '/lib/api.php');

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require_once(dirname(__FILE__) . '/lib/fileinfo.php');

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require_once(dirname(__FILE__) . '/lib/blob.php');

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require_once(dirname(__FILE__) . '/lib/response.php');

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// require_once(dirname(__FILE__) . '/views/setting-field.php');
// require_once(dirname(__FILE__) . '/views/options.php');
// require_once(dirname(__FILE__) . '/views/user-setting-field.php');

add_action( 'plugins_loaded', array( new Writing_On_GitHub, 'boot' ) );

class Writing_On_GitHub {

	/**
	 * Object instance
	 * @var self
	 */
	public static $instance;

	/**
	 * Language text domain
	 * @var string
	 */
	public static $text_domain = 'writing-on-github';

	/**
	 * Controller object
	 * @var Writing_On_GitHub_Controller
	 */
	public $controller;

	/**
	 * Controller object
	 * @var Writing_On_GitHub_Admin
	 */
	public $admin;

	/**
	 * CLI object.
	 *
	 * @var Writing_On_GitHub_CLI
	 */
	protected $cli;

	/**
	 * Request object.
	 *
	 * @var Writing_On_GitHub_Request
	 */
	protected $request;

	/**
	 * Response object.
	 *
	 * @var Writing_On_GitHub_Response
	 */
	protected $response;

	/**
	 * Api object.
	 *
	 * @var Writing_On_GitHub_Api
	 */
	protected $api;

	/**
	 * Import object.
	 *
	 * @var Writing_On_GitHub_Import
	 */
	protected $import;

	/**
	 * Export object.
	 *
	 * @var Writing_On_GitHub_Export
	 */
	protected $export;

	/**
	 * Semaphore object.
	 *
	 * @var Writing_On_GitHub_Semaphore
	 */
	protected $semaphore;

	/**
	 * Database object.
	 *
	 * @var Writing_On_GitHub_Database
	 */
	protected $database;

	/**
	 * Called at load time, hooks into WP core
	 */
	public function __construct() {
		self::$instance = $this;

		if ( is_admin() ) {
			$this->admin = new Writing_On_GitHub_Admin;
		}

		$this->controller = new Writing_On_GitHub_Controller( $this );

		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			WP_CLI::add_command( 'wogh', $this->cli() );
		}
	}

	/**
	 * Attaches the plugin's hooks into WordPress.
	 */
	public function boot() {
		register_activation_hook( __FILE__, array( $this, 'activate' ) );
		add_action( 'admin_notices', array( $this, 'activation_notice' ) );

		add_action( 'init', array( $this, 'l10n' ) );

		// Controller actions.
		add_action( 'save_post', array( $this->controller, 'export_post' ) );
		add_action( 'delete_post', array( $this->controller, 'delete_post' ) );
		add_action( 'wp_ajax_nopriv_wogh_push_request', array( $this->controller, 'pull_posts' ) );
        add_action( 'wogh_export', array( $this->controller, 'export_all' ), 10, 2 );
		add_action( 'wogh_import', array( $this->controller, 'import_master' ), 10, 1 );
		add_filter( 'get_edit_post_link', array( $this, 'edit_post_link' ), 10, 3 );

		// add_filter( 'wogh_post_meta', array( $this, 'ignore_post_meta' ), 10, 1 );
		// add_filter( 'wogh_pre_import_meta', array( $this, 'ignore_post_meta' ), 10, 1 );
		add_filter( 'the_content', array( $this, 'the_content' ) );

		do_action( 'wogh_boot', $this );
	}

	public function edit_post_link($link, $postID, $context) {
		if ( ! wp_is_post_revision( $postID ) ) {
			$post = new Writing_On_GitHub_Post( $postID, Writing_On_GitHub::$instance->api() );
			if ( $post->is_on_github() ) {
				return $post->github_edit_url();
			}
		}

	    return $link;
	}

	public function ignore_post_meta($meta) {
		$ignore_meta_keys = get_option('wogh_ignore_metas');
		if (empty($ignore_meta_keys)) {
			return $meta;
		}

		$keys = preg_split("/\\r\\n|\\r|\\n/", $ignore_meta_keys);
		if (empty($keys)) {
			return $meta;
		}
		foreach ($keys as $key => $value) {
			$keys[$key] = trim($value);
		}

		foreach ($meta as $key => $value) {
			if (in_array($key, $keys)) {
				unset($meta[$key]);
			}
		}

		return $meta;
	}

	public function the_content($content) {
		$arr = wp_upload_dir();
		$baseurl = $arr['baseurl'] . '/writing-on-github';

		$content = preg_replace_callback(
			'/(<img [^>]*?src=[\'"])\s*(\/images\/[^\s#]\S+)\s*([\'"][^>]*?>)/',
			function($matchs) use ($baseurl) {
				$url = $baseurl . $matchs[2];
				return "${matchs[1]}$url${matchs[3]}";
			},
			$content
		);

		$content = preg_replace_callback(
			'/(<a [^>]*?href=[\'"])\s*(\/images\/[^\s#]\S+)\s*([\'"][^>]*?>)/',
			function($matchs) use ($baseurl) {
				$url = $baseurl . $matchs[2];
				return "${matchs[1]}$url${matchs[3]}";
			},
			$content
		);
		return $content;
	}

	/**
	 * Init i18n files
	 */
	public function l10n() {
		load_plugin_textdomain( self::$text_domain );
	}

	/**
	 * Sets and kicks off the export cronjob
	 */
	public function start_export( $force = false ) {
		$this->start_cron( 'export', $force );
	}

	/**
	 * Sets and kicks off the import cronjob
	 */
	public function start_import() {
		$this->start_cron( 'import' );
	}

	/**
	 * Enables the admin notice on initial activation
	 */
	public function activate() {
		if ( 'yes' !== get_option( '_wogh_fully_exported' ) ) {
			set_transient( '_wogh_activated', 'yes' );
		}
	}

	/**
	 * Displays the activation admin notice
	 */
	public function activation_notice() {
		if ( ! get_transient( '_wogh_activated' ) ) {
			return;
		}

		delete_transient( '_wogh_activated' );

		?><div class="updated">
			<p>
				<?php
					printf(
						__( 'To set up your site to sync with GitHub, update your <a href="%s">settings</a> and click "Export to GitHub."', 'writing-on-github' ),
						admin_url( 'options-general.php?page=' . static::$text_domain)
					);
				?>
			</p>
		</div><?php
	}

	/**
	 * Get the Controller object.
	 *
	 * @return Writing_On_GitHub_Controller
	 */
	public function controller() {
		return $this->controller;
	}

	/**
	 * Lazy-load the CLI object.
	 *
	 * @return Writing_On_GitHub_CLI
	 */
	public function cli() {
		if ( ! $this->cli ) {
			$this->cli = new Writing_On_GitHub_CLI;
		}

		return $this->cli;
	}

	/**
	 * Lazy-load the Request object.
	 *
	 * @return Writing_On_GitHub_Request
	 */
	public function request() {
		if ( ! $this->request ) {
			$this->request = new Writing_On_GitHub_Request( $this );
		}

		return $this->request;
	}

	/**
	 * Lazy-load the Response object.
	 *
	 * @return Writing_On_GitHub_Response
	 */
	public function response() {
		if ( ! $this->response ) {
			$this->response = new Writing_On_GitHub_Response( $this );
		}

		return $this->response;
	}

	/**
	 * Lazy-load the Api object.
	 *
	 * @return Writing_On_GitHub_Api
	 */
	public function api() {
		if ( ! $this->api ) {
			$this->api = new Writing_On_GitHub_Api( $this );
		}

		return $this->api;
	}

	/**
	 * Lazy-load the Import object.
	 *
	 * @return Writing_On_GitHub_Import
	 */
	public function import() {
		if ( ! $this->import ) {
			$this->import = new Writing_On_GitHub_Import( $this );
		}

		return $this->import;
	}

	/**
	 * Lazy-load the Export object.
	 *
	 * @return Writing_On_GitHub_Export
	 */
	public function export() {
		if ( ! $this->export ) {
			$this->export = new Writing_On_GitHub_Export( $this );
		}

		return $this->export;
	}

	/**
	 * Lazy-load the Semaphore object.
	 *
	 * @return Writing_On_GitHub_Semaphore
	 */
	public function semaphore() {
		if ( ! $this->semaphore ) {
			$this->semaphore = new Writing_On_GitHub_Semaphore;
		}

		return $this->semaphore;
	}

	/**
	 * Lazy-load the Database object.
	 *
	 * @return Writing_On_GitHub_Database
	 */
	public function database() {
		if ( ! $this->database ) {
			$this->database = new Writing_On_GitHub_Database( $this );
		}

		return $this->database;
	}

	/**
	 * Print to WP_CLI if in CLI environment or
	 * write to debug.log if WP_DEBUG is enabled
	 * @source http://www.stumiller.me/sending-output-to-the-wordpress-debug-log/
	 *
	 * @param mixed $msg
	 * @param string $write
	 */
	public static function write_log( $msg, $write = 'line' ) {
		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			if ( is_array( $msg ) || is_object( $msg ) ) {
				WP_CLI::print_value( $msg );
			} else {
				WP_CLI::$write( $msg );
			}
		} elseif ( true === WP_DEBUG ) {
			if ( is_array( $msg ) || is_object( $msg ) ) {
				error_log( print_r( $msg, true ) );
			} else {
				error_log( $msg );
			}
		}
	}

	/**
	 * Kicks of an import or export cronjob.
	 *
     * @param bool   $force
     * @param string $type
     */
	protected function start_cron( $type, $force = false ) {
		update_option( '_wogh_' . $type . '_started', 'yes' );
		$user_id = get_current_user_id();
		wp_schedule_single_event( time(), 'wogh_' . $type . '', array( $user_id, $force ) );
		spawn_cron();
	}
}