M blogroll2email.php → blogroll2email.php

@@ -3,26 +3,250 @@
 /*
 Plugin Name: blogroll2email
 Plugin URI: https://github.com/petermolnar/blogroll2email
-Description: Pulls RSS, Atom and microformats URLs from blogroll links and sends them as email
+Description: Pulls RSS, Atom and microformats entries from blogroll links and sends them as email
 Version: 0.1
 Author: Peter Molnar <hello@petermolnar.eu>
 Author URI: http://petermolnar.eu/
 License: GPLv3
 */
 
-/*  Copyright 2010-2014 Peter Molnar ( hello@petermolnar.eu )
+/*  Copyright 2015 Peter Molnar ( hello@petermolnar.eu )
 
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License, version 3, as
-    published by the Free Software Foundation.
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License, version 3, 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.
+	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
+	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
 */
 
+class blogroll2email {
+	const revisit_time = 3600;
+	const schedule = 'blogroll2email';
+
+	var $schedule = null;
+
+	public function __construct () {
+		register_activation_hook( __FILE__ , array( &$this, 'plugin_activate' ) );
+		register_deactivation_hook( __FILE__ , array( &$this, 'plugin_deactivate' ) );
+		add_action( 'init', array( &$this, 'init'));
+	}
+
+	public function init () {
+		add_action( static::schedule, array( &$this, 'worker' ) );
+		//wp_schedule_event( time(), static::SCHEDULE, $this->schedule );
+		return false;
+	}
+
+	/**
+	 * activation hook function, to be extended
+	 */
+	public function plugin_activate() {
+        self::debug('activating');
+		wp_schedule_single_event ( time(), static::schedule );
+	}
+
+	/**
+	 * deactivation hook function, to be extended
+	 */
+	public function plugin_deactivate () {
+        self::debug('deactivating');
+		wp_unschedule_event( time(), static::schedule );
+	}
+
+	public function worker () {
+        self::debug('worker started');
+		$args = array(
+			'orderby' => 'owner',
+			'order' => 'ASC',
+			'limit' => -1,
+		);
+
+		$bookmarks = get_bookmarks( $args );
+
+		$currowner = $owner = false;
+
+		foreach ( $bookmarks as $bookmark ) {
+			/* print_r ($bookmark);
+				stdClass Object
+				(
+					[link_id] => 1
+					[link_url] => http://devopsreactions.tumblr.com/
+					[link_name] => http://devopsreactions.tumblr.com/
+					[link_image] =>
+					[link_target] =>
+					[link_description] =>
+					[link_visible] => Y
+					[link_owner] => 1
+					[link_rating] => 0
+					[link_updated] => 0000-00-00 00:00:00
+					[link_rel] =>
+					[link_notes] =>
+					[link_rss] => http://devopsreactions.tumblr.com/rss
+				)
+			*/
+
+			if ( $currowner != $bookmark->link_owner) {
+				$currowner = $bookmark->link_owner;
+				$owner = get_userdata($currowner);
+				$owner = $owner->data;
+				/* print_r ( $owner );
+				stdClass Object
+				(
+					[ID] => 1
+					[user_login] => cadeyrn
+					[user_pass] => $P$B.QI9GiDNyfXC7S75jJ4pcrQjx3awy/
+					[user_nicename] => cadeyrn
+					[user_email] => hello@petermolnar.eu
+					[user_url] => https://petermolnar.eu/
+					[user_registered] => 2014-04-28 21:36:35
+					[user_activation_key] =>
+					[user_status] => 0
+					[display_name] => Peter Molnar
+				)
+				*/
+			}
+
+			if ( empty($bookmark->link_rss)) {
+				// TODO: microformats
+				continue;
+			}
+			else {
+				$this->parse_rss( $bookmark, $owner );
+			}
+
+		}
+
+		// reschedule the worker
+		wp_schedule_single_event ( time() + static::revisit_time, static::schedule );
+	}
+
+	/**
+	 *
+	 */
+	public function set_html_content_type() {
+		return 'text/html';
+	}
+
+	/**
+	 *
+	 */
+	protected function send ( $to, $link, $title, $fromname, $sourceurl, $content ) {
+
+		add_filter( 'wp_mail_content_type', array( $this, 'set_html_content_type') );
+
+		$body = '<html><head></head><h1><a href="'. $link .'">'. $title .'</a></h1><body>'. $content . '<p>URL: <a href="'.$link.'">'.$link.'</a></p></body></html>';
+
+		$headers = array (
+			'X-RSS-ID: ' . $link,
+			'X-RSS-URL: ' . $link,
+			'X-RSS-Feed: ' . $sourceurl,
+			'User-Agent: blogroll2email',
+			'From: "' . $fromname .'" <'. get_bloginfo('admin_email') .'>',
+		);
+
+		//wp_mail( $to, $title, $body, $headers );
+		self::debug('blogroll2email: ' . $title );
+
+		remove_filter( 'wp_mail_content_type', array( $this, 'set_html_content_type') );
+	}
+
+	/**
+	 *
+	 */
+	protected function parse_rss ( $bookmark, $owner ) {
+		if ( !class_exists('SimplePie') )
+			require_once( ABSPATH . WPINC . '/class-simplepie.php' );
+
+		if ( empty ($bookmark) || !is_object ($bookmark))
+			return false;
+
+		if ( empty ($owner) || !is_object ($owner))
+			return false;
+
+		$url = $bookmark->link_rss;
+		$last_updated = strtotime( $bookmark->link_updated );
+
+		error_log('Fetching: ' . $url );
+		$feed = new SimplePie();
+		$feed->set_feed_url( $url );
+		$feed->set_cache_duration ( static::revisit_time );
+		$feed->set_cache_location( WP_CONTENT_DIR . DIRECTORY_SEPARATOR. 'cache' );
+		$feed->force_feed(true);
+
+		// optimization
+		$feed->enable_order_by_date(true);
+		$feed->remove_div(false);
+		$feed->strip_comments(true);
+		$feed->strip_htmltags(false);
+		$feed->strip_attributes(false);
+		$feed->set_image_handler(false);
+
+		$feed->init();
+		$feed->handle_content_type();
+		if ( $feed->error() )
+			return new WP_Error( 'simplepie-error', $feed->error() );
+
+		$maxitems = $feed->get_item_quantity( 12 );
+		$feed_items = $feed->get_items( 0, $maxitems );
+		$feed_title = $feed->get_title();
+
+		if ( $maxitems > 0 ) {
+			$last_updated_ = 0;
+			foreach ( $feed_items as $item ) {
+				$date = strtotime($item->get_date( 'Y-m-d H:i:s' ));
+				$from = $feed_title . ': ' . $item->get_author();
+
+				if ( $date > $last_updated ) {
+					$this->send (
+						$owner->user_email,
+						$item->get_link(),
+						$item->get_title(),
+						$from, $url,
+						$item->get_content()
+					);
+
+					if ( $date > $last_updated_ )
+						$last_updated_ = $date;
+				}
+			}
+
+		}
+
+		if ( $last_updated_ > $last_updated ) {
+			global $wpdb;
+			$wpdb->update( $wpdb->prefix . 'links', array ( 'link_updated' => date( 'Y-m-d H:i:s', $last_updated_ )), array('link_id'=> $bookmark->link_id ) );
+		}
+	}
+
+    /**
+     *
+     */
+	static function debug( $message, $level = LOG_NOTICE ) {
+		if ( @is_array( $message ) || @is_object ( $message ) )
+			$message = json_encode($message);
+
+
+		switch ( $level ) {
+			case LOG_ERR :
+				wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
+				exit;
+			default:
+				if ( !defined( 'WP_DEBUG' ) || WP_DEBUG != true )
+					return;
+				break;
+		}
+
+		error_log(  __CLASS__ . ": " . $message );
+	}
+
+
+}
+
+$blogroll2email = new blogroll2email();