wp-resume.php

<?php
/*
Plugin Name: WP Resume
Plugin URI: http://ben.balter.com/2010/09/12/wordpress-resume-plugin/
Description: Out-of-the-box plugin which utilizes custom post types and taxonomies to add a snazzy resume to your personal blog or Web site.
Version: 2.5.6
Author: Benjamin J. Balter
Author URI: http://ben.balter.com/
License: GPL3
*/

/*  WP Resume
 *
 *  An out-of-the-box solution to get your resume online and keep it updated.
 *  Built on WordPress 3.0's custom post type functionality, it offers a
 *  uniquely familiar approach to publishing. If you've got a WordPress site,
 *  you already know how to use WP Resume.
 *
 *  Copyright (C) 2011-2012  Benjamin J. Balter  ( ben@balter.com -- http://ben.balter.com )
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 *
 *  @copyright 2011-2012
 *  @license GPL v3
 *  @version 2.5.6
 *  @package WP_Resume
 *  @author Benjamin J. Balter <ben@balter.com>
 */

require_once dirname( __FILE__ ) . '/includes/class.plugin-boilerplate.php';

class WP_Resume extends Plugin_Boilerplate_v_1 {

	//plugin boilerplate config
	public $name      = 'WP Resume';
	public $slug      = 'wp-resume';
	public $slug_     = 'wp_resume';
	public $prefix    = 'wp_resume_';
	public $directory = null;
	public $version   = '2.5.6';

	static $instance;
	public $author    = null;
	public $author_id = null;
	public $section   = null;
	public $query_obj;

	function __construct() {

		self::$instance = &$this;
		$this->directory = dirname( __FILE__ );
		parent::__construct( $this );

		//cpt and CT
		add_action( 'init', array( &$this, 'register_cpt_and_t' ) );
		add_filter( 'get_terms', array( &$this, 'section_order_filter' ), 10, 3 );
		add_filter( 'wp_resume_order', array( &$this, 'pad_order' ) );

		//frontend printstyles
		add_action( 'wp_print_styles', array( &$this, 'enqueue_styles' ), 5 );
		add_filter( 'wp_resume_enqueue_js', array( &$this, 'html5_enqueue_filter' ), 10, 3 );

		//admin bar
		add_action( 'admin_bar_menu', array( &$this, 'admin_bar' ), 100 );

		//shortcode
		add_shortcode('wp_resume', array( &$this, 'shortcode' ) );

		//rewrites and redirects
		add_action( 'template_redirect', array( &$this, 'add_feeds' ) );
		add_action( 'init', array( &$this, 'rewrite_rules' ) );
		add_action( 'post_type_link', array( &$this, 'permalink' ), 10, 4 );

		//i18n
		add_filter( 'list_terms_exclusions', array( &$this, 'exclude_the_terms' ) );

		//init
		add_action( 'wp_resume_init', array( &$this, 'init' ) );
		
		//back compat
		add_filter( 'wp_resume_load_deprecated', '__return_false' );

	}

	/**
	 * Init default options and templates
	 */
	function init() {

		//default fields and values
		$this->options->defaults = array( 
			'fix_ie'     => true,
			'rewrite'    => false,
			'hide-title' => false
		);

		$this->options->user_defaults = array( 
			'name'         => '',
			'summary'      => '',
			'contact_info' => array(),
			'order'        => array(),
			'hide-donate'  => false
		);
		
		//user overridable templates
		$this->template->overrides = array( 'resume', 'resume-text', 'resume-json' );

	}


	/**
	 * Registers the "resume block" custom post type and the the section and organization custom taxonomy
	 * @since 1.0a
	 */
	function register_cpt_and_t() {

		$rewrite = $this->options->get_option( 'rewrite' );

		//Custom post type labels array
		$labels = array(
			'name'               => _x('Positions', 'post type general name', 'wp-resume'),
			'singular_name'      => _x('Resume Position', 'post type singular name', 'wp-resume'),
			'add_new'            => __('Add New Position', 'wp-resume'),
			'add_new_item'       => __('Add New Position', 'wp-resume'),
			'edit_item'          => __('Edit Position', 'wp-resume'),
			'new_item'           => __('New Position', 'wp-resume'),
			'view_item'          => __('View Position', 'wp-resume'),
			'search_items'       => __('Search Positions', 'wp-resume'),
			'not_found'          => __('No Positions Found', 'wp-resume'),
			'not_found_in_trash' => __('No Positions Found in Trash', 'wp-resume'),
			'parent_item_colon'  => '',
			'menu_name'          => __('Resume', 'wp-resume' ),
			'all_items'          => __('All Positions', 'wp-resume'),
		);

		//Custom post type settings array
		$args = array(
			'labels'               => $labels,
			'public'               => true,
			'publicly_queryable'   => (bool) $rewrite,
			'exclude_from_search'  => !(bool) $rewrite,
			'show_ui'              => true,
			'menu_icon'            => plugins_url( '/img/menu-icon.png', __FILE__ ),
			'query_var'            => true,
			'rewrite'              => ( $rewrite ) ? array( 'slug' => 'positions' ) : false,
			'capability_type'      => array( 'resume_position', 'resume_positions'),
			'map_meta_cap'         => true,
			'hierarchical'         => false,
			'menu_position'        => null,
			'register_meta_box_cb' => array( &$this->admin, 'meta_callback' ),
			'supports'             => array( 'title', 'editor', 'revisions', 'custom-fields', 'page-attributes', 'author'),
			'taxonomies'           => array('wp_resume_section', 'wp_resume_organization'),
		);

		$args = $this->api->apply_filters( 'cpt', $args );

		//Register the "wp_resume_position" custom post type
		register_post_type( 'wp_resume_position', $args );

		//Section labels array
		$labels = array(
			'name'              => _x( 'Sections', 'taxonomy general name', 'wp-resume' ),
			'singular_name'     => _x( 'Section', 'taxonomy singular name', 'wp-resume' ),
			'search_items'      => __( 'Search Sections', 'wp-resume' ),
			'all_items'         => __( 'All Sections', 'wp-resume' ),
			'parent_item'       => __( 'Parent Section', 'wp-resume' ),
			'parent_item_colon' => __( 'Parent Section:', 'wp-resume' ),
			'edit_item'         => __( 'Edit Section', 'wp-resume' ),
			'update_item'       => __( 'Update Section', 'wp-resume' ),
			'add_new_item'      => __( 'Add New Section', 'wp-resume' ),
			'new_item_name'     => __( 'New Section Name', 'wp-resume' ),
		);

		$args = $this->api->apply_filters( 'section_ct', array( 
			'hierarchical' => true, 
			'labels' => $labels,  
			'query_var' => true, 
			'rewrite' => ( $rewrite ) ? array( 'slug' => 'sections' ) : false, 
			'capabilities' => array( 
				'manage_terms'  => 'manage_resume_sections',
				'edit_terms'    => 'edit_resume_sections',
				'delete_terms'  => 'delete_resume_sections',
				'assign_terms ' => 'assign_resume_sections',
				),
			) 
		);

		//Register section taxonomy
		register_taxonomy( 'wp_resume_section', 'wp_resume_position', $args );

		//orgs labels array
		$labels = array(
			'name'              => _x( 'Organizations', 'taxonomy general name', 'wp-resume' ),
			'singular_name'     => _x( 'Organization', 'taxonomy singular name', 'wp-resume' ),
			'search_items'      => __( 'Search Organizations', 'wp-resume' ),
			'all_items'         => __( 'All Organizations', 'wp-resume' ),
			'parent_item'       => __( 'Parent Organization', 'wp-resume' ),
			'parent_item_colon' => __( 'Parent Organization:', 'wp-resume' ),
			'edit_item'         => __( 'Edit Organization', 'wp-resume' ),
			'update_item'       => __( 'Update Organization', 'wp-resume' ),
			'add_new_item'      => __( 'Add New Organization', 'wp-resume' ),
			'new_item_name'     => __( 'New Organization Name', 'wp-resume' ),
		);

		$args = $this->api->apply_filters( 'organization_ct', array( 
					'hierarchical' => true, 
					'labels'       => $labels,  
					'query_var'    => true, 
					'rewrite'      => ( $rewrite ) ? array( 'slug' => 'organizations' ) : false,
					'capabilities' => array( 
						'manage_terms'  => 'manage_resume_organizations',
						'edit_terms'    => 'edit_resume_organizations',
						'delete_terms'  => 'delete_resume_organizations',
						'assign_terms ' => 'assign_resume_organizations',
					),
				) 
			);

		//Register organization taxonomy
		register_taxonomy( 'wp_resume_organization', 'wp_resume_position', $args );

	}

	/**
	 * Takes the section term taxonomy and re-keys it to the user specified order
	 * @returns array of term objects in user-specified order
	 * @since 1.0a
	 */
	function get_sections( $hide_empty = true, $author = '' ) {

		//init array
		$output = array();

		//set default author
		if ($author == '') {
			$user = wp_get_current_user();
			$author = $user->user_nicename;
		}

		if ( is_int( $author ) ) {
			$user = get_userdata( $author );
			$author = $user->user_nicename;
		}

		$this->author_id = $user->id;
		$this->author = $author;

		//get all sections ordered by term_id (order added)
		$sections = get_terms( 'wp_resume_section', array('hide_empty' => $hide_empty ) );

		$sections = $this->api->apply_filters( 'sections', $sections);

		return $sections;

	}


	/**
	 * Reorders calls to get_terms for the section taxonomy by the user's custom order
	 * note: because we can't pass an extra arg to this filter, we store it as $this->author
	 * @param array $terms the terms
	 * @param array $taxonomies the section taxonomy
	 * @param array $args user arguments
	 * @returns array the sections properly keyed
	 */
	function section_order_filter( $terms, $taxonomies, $args ) {

		global $post;
		
		if ( $taxonomies != array( 'wp_resume_section' ) )
			return $terms;

		if ( $args['fields'] != 'all' )
			return $terms;

		$author = get_user_by( 'slug', $this->author );
	
		if ( !$author && is_admin() ) {
			
			if ( is_null( $post ) ) //if we don't have a post obj. kick to original
				return $terms;

			$author = get_user_by( 'id', $post->post_author );
		
		}

		$order = $this->options->get_user_option( 'order', $author->ID );

		$output = array( );

		foreach ( $terms as $term )
			$output[ array_search( $term->term_id, $order ) ] = $term;

		ksort( $output );

		return $output;

	}


	/**
	 * Ensures requests for section order contains all sections
	 */
	function pad_order( $order ) {

		remove_filter( 'get_terms', array( &$this, 'section_order_filter' ) );

		foreach ( get_terms( 'wp_resume_section', array('hide_empty' => false ) ) as $section ) {

			if ( in_array( $section->term_id, $order ) )
				continue;

			$order[] = $section->term_id;

		}

		add_filter( 'get_terms', array( &$this, 'section_order_filter' ), 10, 3 );

		return $order;

	}


	/**
	 * Queries for all the resume blocks within a given section
	 * @params string $section section slug
	 * @returns array array of post objects
	 * @since 1.0a
	 */
	function query( $section, $author = '' ) {

		//if the author isn't passed as a function arg, see if it has been set by the shortcode
		if ( $author == '' && isset( $this->author ) )
			$author = $this->author;

		//build our query
		$args = array(
			'post_type'         => 'wp_resume_position',
			'orderby'           => 'menu_order',
			'order'             => 'ASC',
			'nopaging'          => true,
			'wp_resume_section' => $section,
		);

		if ( is_int( $author ) )
			$args['author'] = $author;
		else
			$args['author_name'] = $author;


		$args = $this->api->apply_filters( 'query_args', $args);

		//query and return
		$this->query_obj = new wp_query($args);
		return $this->query_obj;

	}


	/**
	 * Retrieves the org associated with a given position
	 * @since 1.1a
	 */
	function get_org( $postID ) {

		if ( $cache = $this->cache->get( $postID . '_organization' ) )
			return $cache;

		$organization = wp_get_object_terms( $postID, 'wp_resume_organization' );

		if ( is_wp_error( $organization ) || !isset( $organization[0] ) )
			return false;

		$org = $this->api->apply_deprecated_filters( 'resume_organization', '2.5', 'organization', $organization[0] );
		$org = $this->api->apply_filters( 'organization', $organization[0] );

		$this->cache->set( $postID . '_organization', $org );

		return $org;

	}


	/**
	 * Retrieves an organization's link, if any
	 * @param int $org the org ID
	 * @return string the org link
	 */
	function get_org_link( $org ) {

		$slug = 'wp_resume_organization_link_' . (int) $org;
		$link = $this->cache->get( $slug );

		if ( !$link ) {
			$link = get_option( $slug );
			$this->cache->set( $slug, $link );
		}

		$link = $this->api->apply_filters( 'organization_link', $link, $org );

		return $link;
	}


	/**
	 * Stores an organization's link
	 * @param int $org the org ID
	 * @return bool success/fail
	 */
	function set_org_link( $org, $link ) {
		$slug = 'wp_resume_organization_link_' . (int) $org;
		$this->cache->set( $slug, $link );
		return update_option( $slug, esc_url( $link ) );
	}


	/**
	 * Flushes all wp-resume data from the object cache, if it exists
	 */
	function flush_cache() {
		global $wp_object_cache;
		unset( $wp_object_cache->cache['wp_resume']);
	}


	/**
	 * Loops through all posts in a given query to determine if any contain the resume shortcode
	 * @returns bool true if found, otherwise false
	 */
	function resume_in_query() {

		global $wp_query;

		if ( $cache = $this->cache->get( 'query_' . $wp_query->query_vars_hash) )
			return $cache;

		$enqueue = false;
		while ( have_posts() ): the_post();

		global $post;

		//if post is a position, we should load CSS
		if ( $post->post_type == 'wp_resume_position' )
			$enqueue = true;

		//post is a post/page, but has shortcode, so load CSS
		else if ( preg_match( '/\[wp_resume([^\]]*)]/i', get_the_content() ) != 0)
				$enqueue = true;

			endwhile;

		wp_reset_query();

		$this->cache->set( 'query_' . $wp_query->query_vars_hash, $enqueue );

		return $enqueue;

	}


	/**
	 * Adds links to the admin bar
	 * @since 2.0.3
	 */
	function admin_bar() {
		global $wp_admin_bar;

		if ( !is_admin_bar_showing() )
			return;

		if ( !is_single() && !is_page() )
			return;

		if ( !$this->resume_in_query() )
			return;

		global $post;

		if ( $post->post_author != get_current_user_id() && !current_user_can( 'edit_others_posts' ) )
			return;

		$wp_admin_bar->add_menu( array(
				'id'    => 'wp-resume',
				'title' => __( 'Edit Resume', 'wp-resume' ),
				'href'  => admin_url('edit.php?post_type=wp_resume_position'),
			) );

		$wp_admin_bar->add_menu( array(
				'parent' => 'wp-resume',
				'id'     => 'wp-resume-options',
				'title'  => __( 'Resume Options', 'wp-resume' ),
				'href'   => admin_url( 'edit.php?post_type=wp_resume_position&page=wp_resume_options' ),
			) );

	}


	/**
	 * Adds custom CSS to WP's queue
	 * Checks to see if file 'resume-style.css' exists in the current template directory, otherwise includes default
	 * @since 1.0a
	 */
	function enqueue_styles() {

		if ( !$this->resume_in_query() )
			return;
			
		if ( file_exists ( get_stylesheet_directory() . '/resume-style.css' ) ) {
			wp_enqueue_style('wp-resume-custom-stylesheet', get_stylesheet_directory_uri() . '/resume-style.css' );
			add_filter( 'wp_resume_enqueue_css', array( &$this, 'dont_enqueue_default_css' ), 10, 3 );
		}

		add_filter( 'post_class', array( &$this, 'add_post_class' ) );

	}
	
	/**
	 * If user has a custom css file, enqueue that, instead of our own
	 */
	function dont_enqueue_default_css( $default, $file, $type ) {
	
		if ( $type != 'front-end' )
			return $default;
			
		if ( $file == 'resume-style.css' )
			return false;
			
		return $default;
		
	}
	
	/**
	 * Filter to conditionally enqueue HTML5 shiv if enabled
	 */
	function html5_enqueue_filter( $default, $file, $name) {

		if ( $name != 'front-end' )
			return $default;
			
		if ( $file != 'html5.js' )
			return $default;

		if ( !$this->options->fix_ie )
			return $default;
			
		if ( !$this->resume_in_query() )
			return false;
			
		return true;		
	}


	/**
	 * Adds resume class to div, optionally adds class to hide the title
	 * @param array $classes the classes as originally passed
	 * @returns array $classes the modified classes array
	 */
	function add_post_class( $classes ) {
		global $post;

		if ( preg_match( '/\[wp_resume([^\]]*)]/i', get_the_content() ) == false )
			return $classes;

		$classes[] = 'resume';

		if ( $this->options->get_option( 'hide-title' ) )
			$classes[] = 'hide-title';

		return $classes;

	}


	/**
	 * Returns default contact fields, i18n'd and filtered
	 * @returns array contact fields
	 */
	function contact_fields() {

		$fields = array(
			'email'           => __('E-Mail', 'wp-resume'),
			'tel'             => __('Phone', 'wp-resume'),
			'other'           => __('Other', 'wp-resume'),
			'adr'             => array(
				'street-address' => __('Street Address', 'wp-resume'),
				'locality'       => __('City/Locality', 'wp-resume'),
				'region'         => __('State/Region', 'wp-resume'),
				'postal-code'    => __('Zip/Postal Code', 'wp-resume'),
				'country-name'   => __('Country', 'wp-resume'),
			),
		);

		$fields = $this->api->apply_filters( 'contact_fields', $fields );

		return $fields;

	}


	/**
	 * Returns either the next or previous position's org
	 * @param int $delta either 1 or -1 for forward or backward
	 * @returns bool|object false if no org, org object if exists
	 * @since 2.0.5
	 */
	function get_delta_org( $delta ) {

		if ( empty( $this->query_obj->posts ) || !isset( $this->query_obj->current_post ) )
			return false;

		$post_key = $this->query_obj->current_post + $delta;

		if ( !isset( $this->query_obj->posts[ $post_key ] ) )
			return false;

		return $this->get_org( $this->query_obj->posts[ $post_key ]->ID );
	}


	/**
	 * Peaks forward in the loop if possible, and tries to get next position's org
	 * @returns bool|object either false or the org object
	 * @since 2.0.5
	 */
	function get_next_org( ) {

		return $this->get_delta_org( 1 );

	}


	/**
	 * Peaks backward in the loop if possible, and tries to get previous position's org
	 * @returns bool|object either false or the org object
	 * @since 2.0.5
	 */
	function get_previous_org() {

		return $this->get_delta_org( -1 );

	}


	/**
	 * Moves information around the database, supports back to 1.5
	 * @since 1.2
	 */
	function upgrade( $from, $to ) {

		//check to see if we have any sections, if not add the sections
		if ( sizeof( $this->get_sections( false ) ) == 0 ) {
			wp_insert_term( 'Education', 'wp_resume_section');
			wp_insert_term( 'Experience', 'wp_resume_section' );
			wp_insert_term( 'Awards', 'wp_resume_section' );
		}

		//1.6 -- add multi-user support (v. 1.6)
		if ( $from && substr( $from, 0, 3 ) < '1.6' ) {

			$options = $this->options->get_options();
			$usermeta = array();

			//migrate $options[field] to (usermeta) [wp_resume][field] and kill original
			foreach ( $this->options->user_defaults as $field=>$value ) {
				if ( isset( $options[$field] ) ) {
					$usermeta[$field] = $options[$field];
					unset( $options[$field] );
				}
			}

			//store usermeta to current user
			//(assumption: user upgrading is author of resume)
			update_user_meta( get_current_user_id(), 'wp_resume', $usermeta );

			//store updated options
			$this->options->set_options( $options );

		}

		// 2.2 -- move from user_meta to user_option
		if ( $from && $from < '2.2' ) {

			$users = get_users( array( 'blog_id' => $GLOBALS['blog_id'] , 'fields' => 'ID' ) );
			foreach ($users as $user) {

				$user_options = get_user_meta( $user, 'wp_resume', true );
				delete_user_meta( $user, 'wp_resume' );


				$user_options = array();

				//loop default fields
				foreach ( $this->options->user_defaults as $key => $value )
					$user_options[ $key ] = $value;

				//update
				$this->options->set_user_options( $user_options, $user );

			}

		}

		//2.5 -- flip key and value in order array
		if ( $from < '2.5' ) {

			$users = get_users( array( 'blog_id' => $GLOBALS['blog_id'] , 'fields' => 'ID' ) );

			foreach ( $users as $user ) {

				$order = $this->options->get_user_option( 'order', $user );

				$new = array();

				foreach ( $order as $k => $v )
					$new[ $v ] = $k;

				$order = $this->options->set_user_option( 'order', $new, $user );

			}

		}

		//flush rewrite rules just in case
		flush_rewrite_rules();

	}


	/**
	 * Includes resume template on shortcode use
	 * @since 1.3
	 */
	function shortcode( $atts ) {
	
		$defaults = array( 'user' => null, 'section' => null );
		$atts = shortcode_atts( $defaults, $atts );

		//determine author and set as global so templates can read
		$this->author = $this->get_author( $atts );
        $user = get_user_by('slug', $this->author);
        $this->author_id = $user->id; 

		//allow shortcode to accept section argument
		$section = $this->get_section( $atts );

		ob_start();
		$this->api->do_action( 'shortcode_pre' ); 

		if ( !( $resume = $this->cache->get( $this->author . '_resume' . $section ) ) ) {
			$this->template->resume( );
			$resume = ob_get_contents();
			$this->cache->set( $this->author . '_resume' . $section, $resume );
		}

		$this->api->do_action( 'shortcode_post' );
		ob_end_clean();

		//reset section incase shortcode called twice on same page
		remove_filter( 'wp_resume_sections', array( &$this, 'section_shortcode_filter' ) );
		$this->section = null;

		$this->api->apply_filters( 'shortcode', $resume);

		return $resume;
	}

	/**
	 * If section is passed as shortcode arg, filter from sections list
	 * @param array $sections the original sections array
	 * @return array the filtered section array
	 */
	function section_shortcode_filter( $sections ) {
		
		if ( $this->section == null )
			return $sections;
		
		$sections = wp_list_filter( $sections, array( 'term_id' => $this->section ) );
				
		return $sections;
		
	}

	/**
	 * Adds feed support to the resume
	 * @since 1.5
	 */
	function add_feeds() {

		global $post;

		//feed 404
		if ( !$post )
			return false;

		if ( preg_match( '/\[wp_resume([^\]]*)]/i', $post->post_content ) === FALSE)
			return;

		add_feed('text', array( &$this, 'plain_text' ) );
		add_feed('json', array( &$this, 'json' ) );

		add_action('wp_head', array( &$this, 'header' ) );
	}


	/**
	 * Adds HTML5 support to header
	 */
	function header() {

		if ( !is_single() )
			return;

		if ( !$this->resume_in_query() )
			return;

		$this->template->header();

	}


	/**
	 * Includes the plain text template
	 * @since 1.5
	 */
	function plain_text() {
		$this->feed_get_author();
		header('Content-Type: text/plain; charset='. get_bloginfo('charset') );
		$this->template->load( 'resume-text' );
		do_action('wp_resume_plain_text');
	}


	/**
	 * Includes the json template
	 * @since 1.5
	 */
	function json() {
		$this->feed_get_author();
		header('Content-type: application/json; charset='. get_bloginfo('charset') );
		$this->template->load( 'resume-json' );
		do_action('wp_resume_json');
	}


	/**
	 * Fuzzy gets author for current resume page
	 * Looks at:
	 * 1) Attributes of shorcode (user="[username]")
	 * 2) Author of page that calls the shortcode
	 *
	 * @param array $atts attributes passed from shortcode callback
	 * @since 1.6
	 */
	function get_author( $atts = array() ) {

		//if user is passed as an attribute, that's our author
		if ( isset( $atts['user'] ) )
			return $atts['user'];

		//otherwise grab the author from the post
		global $post;
		$user = get_userdata($post->post_author);
		return $user->user_nicename;
	}
	
	/**
	 * Parses requested section, if any, from shortcode atts
	 * @param array the shortcode atts
	 * @return string the slug to suffix the cache with
	 */
	function get_section( $atts = array() ) {
		
		$this->section = null;
		
		if ( $atts['section'] == null )
			return '';
		
		//if section *ID* is passed, must typecast it from string to int 
		// for term_exists to properly parse
		if ( $atts['section'] == preg_replace( '([^0-9])', '',  $atts['section'] ) ) 
			$atts['section'] = (int) $atts['section'];

		//verify section exists
		if ( !( $section = term_exists( $atts['section'], 'wp_resume_section' ) ) )
			return '';
				
		//store sectionID as property and add filter to get_sections()	
		$this->section = $section['term_id'];
		add_filter( 'wp_resume_sections', array( &$this, 'section_shortcode_filter' ) );
	
		//return slug to suffix cache with		
		return '_section_' . $section['term_id'];
			
	}


	/**
	 * Injects resume rewrite rules into the rewrite array when applicable
	 */
	function rewrite_rules() {

		if ( !$this->options->get_option( 'rewrite' ) );
		return;

		global $wp_rewrite;
		$rw_structure = 'resume/%wp_resume_section%/%wp_resume_organization%/%wp_resume_position%/';
		add_rewrite_tag("%wp_resume_section%", '([^/]+)', "wp_resume_section=");
		add_rewrite_tag("%wp_resume_organization%", '([^/]+)', "wp_resume_organization=");
		add_rewrite_tag("%wp_resume_position%", '([^/]+)', "wp_resume_position=");
		$wp_rewrite->add_permastruct('wp_resume_position', $rw_structure);

	}


	/**
	 * Generates permalink for a given resume position
	 */
	function permalink($link, $post, $leavename, $sample) {

		if ( $post->post_type != 'wp_resume_position' || $this->options->get_option( 'rewrite' ) )
			return $link;

		$section = wp_get_post_terms($post->ID, 'wp_resume_section');
		$org = wp_get_post_terms($post->ID, 'wp_resume_organization');

		$rewritecode = array(
			'%wp_resume_section%',
			'%wp_resume_organization%',
		);

		$replace = array(
			( isset( $section[0]->slug) ) ? $section[0]->slug : null,
			( isset( $org[0]->slug) ) ? $org[0]->slug : null,
		);

		$link = str_replace($rewritecode, $replace, $link);

		$link = $this->api->apply_filters( 'permalink', $link);

		return $link;
	}


	/**
	 * Adds WPML support to wp resume sections
	 * @since 1.6
	 * @h/t rvencu
	 */
	function exclude_the_terms($exclusions) {

		//check for WPML, if not, kick
		if ( !class_exists('SitePress') )
			return $exclusions;

		//if WPML exists,  change the $exclusions
		global $sitepress;
		$exclusions .= $sitepress->exclude_other_terms( '', array( 'taxonomy' => 'wp_resume_section' ) );

		return $exclusions;
	}


	/**
	 * Parses current author for feeds from shortcode
	 */
	function feed_get_author() {
		global $post;

		if ( preg_match( '/\[wp_resume user=\"([^\"]*)"]/i', $post->post_content, $matches ) == 0) {

			$user = get_userdata($post->post_author);
			$this->author = $user->user_nicename;

		} else {

			$this->author = $matches[1];
            $user = get_userdata('slag', $this->author);

		}
        $this->author_id = $user->id;
		$this->author = $this->api->apply_filters( 'author', $this->author );

		return $this->author;

	}


}


$wp_resume = new WP_Resume();