<?php
/*
Plugin Name: Warp User Profile extension
Plugin URI: http://people.warp.es/~koke/wp-plugins/warp-userprofile
Description: Shows a directory of authors and their personal info
Version: 0.1
Author: Jorge Bernal
Author URI: http://koke.amedias.org/
*/
 
/*  Copyright 2008  Jorge Bernal  <jbernal@warp.es>
 
    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 2 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, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
 
define(warp_userprofile_version,'0.1');
 
/**
* Warp User Profile extension
*/
class Warp_UserProfile
{
  function init()
  {
    // Register actions and filters here
    add_action('edit_user_profile', array('Warp_UserProfile', 'show_extra_fields'));
    add_action('show_user_profile', array('Warp_UserProfile', 'show_extra_fields'));
    add_action('profile_update', array('Warp_UserProfile', 'save_extra_fields'));
    add_action('personal_options_update', array('Warp_UserProfile', 'save_extra_fields'));
    add_filter('query_vars', array('Warp_UserProfile', 'query_vars'));
    add_filter('generate_rewrite_rules', array('Warp_UserProfile', 'register_rewrite_rules'));
    add_action('template_redirect', array('Warp_UserProfile', 'show_profiles'));
    add_action('admin_print_scripts', array('Warp_UserProfile', 'admin_js'));
    add_action('admin_menu', array('Warp_UserProfile', 'add_option_pages'));
    register_activation_hook(__FILE__, array('Warp_UserProfile', 'register_version'));
  }
  
  function register_version()
  {    
    add_option('warp_userprofile_version', warp_userprofile_version);
    update_option('warp_userprofile_version', warp_userprofile_version);
    add_option("warp_userprofile_page");
  }
  
  function register_rewrite_rules($wp_rewrite)
  {
    $plink = Warp_UserProfile::get_plink();
    $userprofile_rules = array(
      // 'people/?' => 'wp-content/plugins/warp-userprofile/people.php'
      "$plink([^/]+)/?" => 'index.php?showprofiles=1&person=' . $wp_rewrite->preg_index(1) . '&page_id=' . get_option('warp_userprofile_page'),
      "$plink?" => 'index.php?showprofiles=1' . '&page_id=' . get_option('warp_userprofile_page'),
      );
    $wp_rewrite->rules = array_merge($userprofile_rules, $wp_rewrite->rules);
  }
  
  function add_option_pages()
  {
    add_options_page(__('Profiles', 'warp_userprofile'), __('Profiles', 'warp_userprofile'), 8, 'warp-userprofile', array('Warp_UserProfile', 'options_page'));
  }
  
  function query_vars($vars)
  {
    $vars[] = "showprofiles";
    $vars[] = "person";
    $vars[] = "page_id";
    return $vars;
  }
  
  function admin_js()
  {
    wp_enqueue_script("editor");
  }
  
  function show_profiles()
  {
    global $wp_rewrite, $wp_query;
    
    if (get_query_var("showprofiles")) {
      if (get_query_var("person")) {
        $user = get_userdatabylogin(get_query_var('person'));
        if (get_usermeta($user->ID, 'warp_up_public') == 1) {
          require 'person.php';
        } else {
          $wp_query->is_404 = true;
          return;
        }
      } else {
        require 'people.php';
      }
      exit;
    }
  }
  
  function options_page()
  {
    global $wp_rewrite;
    $wp_rewrite->flush_rules();
    
    $warp_userprofile_page = get_option("warp_userprofile_page");
    echo "<div class='wrap'>";
    echo "<h2>" . __( 'Profiles Options', 'warp_userprofile') . "</h2>";
    ?>
    <form method="post" action="options.php">
      <?php wp_nonce_field('update-options'); ?>
      <h3><?php _e( 'General options', 'warp_lms'); ?></h3>
      <table class="form-table">
          <tr>
            <th>
              <?php _e( 'Profiles page', 'warp_lms'); ?>
            </th>
            <td>
              <?php wp_dropdown_pages(array('name' => 'warp_userprofile_page', 'selected' => $warp_userprofile_page)); ?>
            </td>
          </tr>
        </tbody>
      </table>
      <input type="hidden" name="page_options" value="warp_userprofile_page" />
      <input type="hidden" name="action" value="update" />
 
      <p class="submit"><input type="submit" value="<?php _e( 'Update Options', 'warp_userprofile'); ?>"></p>
    </form>
    <?php
    echo "</div>";
  }
  
  function show_extra_fields()
  {
    $user = $GLOBALS['profileuser'];
    echo '<h3>' . __( 'Profile extras', 'warp_userprofile' ) . '</h3>';
    ?>
    <table class="form-table">
      <tbody>
        <tr>
          <th>
            <?php _e( 'Public profile', 'warp_userprofile' ); ?>
          </th>
          <td>
            <input type="checkbox" name="warp_up_public" value="1" id="warp_up_public" <?php if (get_usermeta($user->ID, 'warp_up_public') == 1) { echo 'checked="checked"'; } ?> />
            <label for="warp_up_public"><?php _e( 'If checked, this profile will be shown in the public directory', 'warp_userprofile' ); ?></label>
          </td>
        </tr>
        <tr>
          <th>
            <?php _e( 'Title', 'warp_userprofile' ); ?>
          </th>
          <td>
            <input type="text" name="warp_up_title" value="<?php echo get_usermeta($user->ID, 'warp_up_title'); ?>" id="warp_up_title" /><br />
            <?php _e( 'Your position at the company', 'warp_userprofile' ); ?>
          </td>
        </tr>
      </tbody>
    </table>
    <div id="editorcontainer">
      
    </div>
    <script type="text/javascript">
    <!--
    // edCanvas = document.getElementById('description');
    tinyMCE.execCommand("mceAddControl", false, "description");
    //-->
    </script>
    
    <?php
  }
  
  function save_extra_fields()
  {
    global $wpdb;
    $user_id = (int) $_POST["user_id"];
    update_usermeta($user_id, "warp_up_title", $_POST["warp_up_title"]);
    update_usermeta($user_id, "warp_up_public", $_POST["warp_up_public"]);
    update_usermeta( $user_id, 'description', $wpdb->escape($_POST["description"]) );
    // var_dump($_POST);//die;
  }
  
  function get_plink()
  {
    $home = get_option('home');
    $profile_page_id = get_option('warp_userprofile_page');
    $plink = preg_replace("|^$home/?|","",get_permalink($profile_page_id));
    
    return $plink;
  }
  
  function permalink()
  {
    $profile_page_id = get_option('warp_userprofile_page');
    return get_permalink($profile_page_id);
  }
  
  function title()
  {
    $profile_page_id = get_option('warp_userprofile_page');
    $page = get_post($profile_page_id);
    
    return $page->post_title;
  }
  
  function parse_email($email)
  {
    $out = "";
    for ($i=0; $i < strlen($email); $i++) { 
      $c = unpack("C", $email[$i]);
      $out.= sprintf("&#x%02X;", $c[1]);
    }
    
    return $out;
  }
  
  function avatar_for($user)
  {
     if ( $image = glob(ABSPATH . 'wp-content/authors/' . $user->user_login . '-*.jpg') )
    {
      $image = current($image);
      $site_url = trailingslashit(get_option('siteurl'));
      return '<img src="'
          . str_replace(ABSPATH, $site_url, $image)
          . '"'
        . ' alt="" class="avatar avatar-48" height="48" width="48"'
        . ' />';
    }
    else
    {
      return get_avatar($user->user_email, 48);
    }
  }
  
  function get_users_of_blog( $id = '' ) {
    global $wpdb, $blog_id;
    if ( empty($id) )
      $id = (int) $blog_id;
    $users = $wpdb->get_results( "SELECT user_id, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE " . $wpdb->users . ".ID = " . $wpdb->usermeta . ".user_id AND meta_key = '" . $wpdb->prefix . "capabilities' ORDER BY {$wpdb->users}.display_name" );
    return $users;
  }  
}
 
Warp_UserProfile::init();