source: branches/Ver2.0/xpressme_integration_kit/wp-content/plugins/xpressme/include/notify_functions.php

<?php

function onaction_publish_post_notify($new_status, $old_status, $post)
{
        if ($new_status == 'publish'){
                do_PostNotifications($post->ID,'newpost');
        }
}

function onaction_edit_post_notify($post_id)
{
        do_PostNotifications($post_id,'editpost');
}

function onaction_comment_notify($commentID){
        global $wpdb;
        $status = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID = $commentID");
        $post_id = $wpdb->get_var("SELECT comment_post_ID FROM $wpdb->comments WHERE comment_ID = $commentID");

        if ($status ==1){
                do_CommentNotifications($commentID, $post_id);
        } else {
                do_CommentWaiting($commentID, $post_id);
        }
}

function onaction_comment_apobe_notify($commentID){
        global $wpdb;
        $comment_type = $wpdb->get_var("SELECT comment_type FROM $wpdb->comments WHERE comment_ID = $commentID");
        $status = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID = $commentID");
        if(is_null($status)) return;
        if ($status == 1){
                        onaction_comment_notify($commentID);
        }
}

function Notification_triggerEvent($category, $item_id, $event, $extra_tags=array(), $user_list=array(), $omit_user_id=null)
{
        global $xoops_db,$xoops_config;
        //When notifying by a private message, 
        //it is evaded that the data base becomes read-only as a result of the check on the referrer and the method. 
        if (is_wp_cron_page_call() ){
                $_SERVER['HTTP_REFERER'] = 'http://'. $_SERVER[HTTP_HOST]  . $_SERVER['PHP_SELF'];
                $_SERVER['REQUEST_METHOD'] = 'POST';
        }
        if (is_xmlrpc_call() ){
                $_SERVER['HTTP_REFERER'] = 'http://'. $_SERVER[HTTP_HOST]  . $_SERVER['PHP_SELF'];
                $_SERVER['REQUEST_METHOD'] = 'POST';
        }
//      set_error_handler("xpress_error_handler");
        require_once $xoops_config->xoops_mainfile_path;        // load XOOPS System
        $module_id = get_xpress_modid() ;
        $notification_handler =& xoops_gethandler( 'notification' ) ;
        $notification_handler->triggerEvent($category, $item_id, $event, $extra_tags, $user_list, $module_id, $omit_user_id);
}

function do_CommentWaiting($commentID, $comment_post_ID)
{
//      require_once XOOPS_ROOT_PATH . '/include/notification_functions.php' ;
//      $notification_handler =& xoops_gethandler( 'notification' ) ;
        Notification_triggerEvent( 'global' , 0 , 'waiting') ;
}


function do_CommentNotifications($commentID, $comment_post_ID)
{
        global $xoops_config , $xoops_db;

        $xpress_prefix = get_wp_prefix() ;

        $table_term_relationships = $xpress_prefix .'term_relationships';
        $table_term_taxonomy = $xpress_prefix .'term_taxonomy';
        $table_terms = $xpress_prefix .'terms';
        $table_categories = $xpress_prefix .'categories';
        $wp_post = $xpress_prefix .'posts';
        $wp_options = $xpress_prefix .'options';
        $wp_users  = $xpress_prefix .'users';
        $wp_comments  = $xpress_prefix .'comments';
        $post_id = $comment_post_ID;

        $post_title = get_the_title($post_id);
        $post_url = get_permalink($post_id). '#comment';
        $blog_name = get_bloginfo('name');

        // query
        $sql = "SELECT post_author FROM ".$wp_post." WHERE ID=$comment_post_ID ";
        $post_author = $xoops_db->get_var($sql);

        $sql = "SELECT display_name  FROM $wp_users WHERE ID ='$post_author'";
        $user_name = $xoops_db->get_var($sql);

        $comment_tags = array( 'XPRESS_AUTH_NAME' =>$user_name,'XPRESS_BLOG_NAME' =>$blog_name,'XPRESS_POST_TITLE' => $post_title , 'XPRESS_POST_URL' => $post_url ) ;
        Notification_triggerEvent('global' , 0 , 'comment' , $comment_tags , false);
        Notification_triggerEvent('author' , $post_author , 'comment' , $comment_tags , false);
        Notification_triggerEvent('post' , $comment_post_ID , 'comment' , $comment_tags , false);

        // categorie notification
        if (get_xpress_db_version() < 6124){
                $sql2 = "SELECT c.cat_ID, c.cat_name FROM ".$table_categories." c, ".$table_post2cat." p2c WHERE c.cat_ID = p2c.category_id AND p2c.post_id=".$comment_post_ID;
        } else {
                $sql2  = "SELECT $table_term_relationships.object_id, $table_terms.term_id AS cat_ID, $table_terms.name AS cat_name ";
                $sql2 .= "FROM $table_term_relationships INNER JOIN ($table_term_taxonomy INNER JOIN $table_terms ON $table_term_taxonomy.term_id = $table_terms.term_id) ON $table_term_relationships.term_taxonomy_id = $table_term_taxonomy.term_taxonomy_id ";
                $sql2 .= "WHERE ($table_term_relationships.object_id =" . $comment_post_ID.") AND ($table_term_taxonomy.taxonomy='category')";          
        }
        $categories = $xoops_db->get_results($sql);
        foreach($categories as $categorie){
                $cat_id = $categorie->cat_ID;
                $cat_name = $categorie->cat_name;
                $comment_tags = array( 'XPRESS_AUTH_NAME' =>$user_name,'XPRESS_BLOG_NAME' =>$blog_name,'XPRESS_CAT_TITLE' => $cat_name,'XPRESS_POST_TITLE' => $post_title , 'XPRESS_POST_URL' => $post_url ) ;
                Notification_triggerEvent('category' , $cat_id , 'comment' , $comment_tags , false);

        }
}

function do_PostNotifications($post_id,$not_event)
{
        global $xoops_config, $xoops_db;
        


         // $not_event:         newpost,editpost ; $commentID, $comment_post_ID)
         
        $xpress_prefix = get_wp_prefix() ;

        $table_term_relationships = $xpress_prefix .'term_relationships';
        $table_term_taxonomy = $xpress_prefix .'term_taxonomy';
        $table_terms = $xpress_prefix .'terms';
        $table_categories = $xpress_prefix .'categories';
        $wp_post = $xpress_prefix .'posts';
        $wp_options = $xpress_prefix .'options';
        $wp_users  = $xpress_prefix .'users';
        $wp_comments  = $xpress_prefix .'comments';

        $post_title = get_the_title($post_id);
        $post_url = get_permalink($post_id). '#comment';
        $blog_name = get_bloginfo('name');

        // query
        $sql = "SELECT post_author FROM ".$wp_post." WHERE ID=$post_id ";
        $post_author = $xoops_db->get_var($sql);

        $sql = "SELECT display_name  FROM $wp_users WHERE ID ='$post_author'";
        $user_name = $xoops_db->get_var($sql);

        $posts_tags = array( 'XPRESS_AUTH_NAME' =>$user_name,'XPRESS_BLOG_NAME' =>$blog_name,'XPRESS_POST_TITLE' => $post_title , 'XPRESS_POST_URL' => $post_url ) ;

        switch ($not_event) {
                case 'newpost' :
                        Notification_triggerEvent('global' , 0 , 'newpost' , $posts_tags , false);
                        Notification_triggerEvent('author' , $post_author , 'newpost' , $posts_tags , false);

                        // categorie notification
                        if (get_xpress_db_version() < 6124){
                                $sql2 = "SELECT c.cat_ID, c.cat_name FROM ".$table_categories." c, ".$table_post2cat." p2c WHERE c.cat_ID = p2c.category_id AND p2c.post_id=".$post_id;
                        } else {
                                $sql2  = "SELECT $table_term_relationships.object_id, $table_terms.term_id AS cat_ID, $table_terms.name AS cat_name ";
                                $sql2 .= "FROM $table_term_relationships INNER JOIN ($table_term_taxonomy INNER JOIN $table_terms ON $table_term_taxonomy.term_id = $table_terms.term_id) ON $table_term_relationships.term_taxonomy_id = $table_term_taxonomy.term_taxonomy_id ";
                                $sql2 .= "WHERE ($table_term_relationships.object_id =" . $post_id.") AND ($table_term_taxonomy.taxonomy='category')";          
                        }
                        $categories = $xoops_db->get_results($sql);
                        foreach($categories as $categorie){
                                $cat_id = $categorie->cat_ID;
                                $cat_name = $categorie->cat_name;
                                $posts_tags = array( 'XPRESS_AUTH_NAME' =>$user_name,'XPRESS_BLOG_NAME' =>$blog_name,'XPRESS_CAT_TITLE' => $cat_name,'XPRESS_POST_TITLE' => $post_title , 'XPRESS_POST_URL' => $post_url ) ;
                                Notification_triggerEvent('category' , $cat_id , 'newpost' , $posts_tags , false);
                        }
                        break;
                case 'editpost' :
                        Notification_triggerEvent('post' , $post_id , 'editpost' , $posts_tags , false);
                        break;
                default :
        }
}               

?>