gnu-social/classes/Profile_tag.php

<?php
/**
 * Table Definition for profile_tag
 */
require_once INSTALLDIR.'/classes/Memcached_DataObject.php';

class Profile_tag extends Memcached_DataObject 
{
    ###START_AUTOCODE
    /* the code below is auto generated do not remove the above tag */

    public $__table = 'profile_tag';                     // table name
    public $tagger;                          // int(4)  primary_key not_null
    public $tagged;                          // int(4)  primary_key not_null
    public $tag;                             // varchar(64)  primary_key not_null
    public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP

    /* Static get */
    function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('Profile_tag',$k,$v); }

    /* the code above is auto generated do not remove the tag below */
    ###END_AUTOCODE

	static function getTags($tagger, $tagged) {
		
		$tags = array();

		# XXX: store this in memcached
		
		$profile_tag = new Profile_tag();
		$profile_tag->tagger = $tagger;
		$profile_tag->tagged = $tagged;
		
		$profile_tag->find();
		
		while ($profile_tag->fetch()) {
			$tags[] = $profile_tag->tag;
		}
		
		$profile_tag->free();
		
		return $tags;
	}
	
	static function setTags($tagger, $tagged, $newtags) {
		
		$oldtags = Profile_tag::getTags($tagger, $tagged);
		
		# Delete stuff that's old that not in new
		
		$to_delete = array_diff($oldtags, $newtags);
		
		# Insert stuff that's in new and not in old
		
		$to_insert = array_diff($newtags, $oldtags);
		
		$profile_tag = new Profile_tag();
		
		$profile_tag->tagger = $tagger;
		$profile_tag->tagged = $tagged;
		
		$profile_tag->query('BEGIN');
		
		foreach ($to_delete as $deltag) {
			$profile_tag->tag = $deltag;
			$result = $profile_tag->delete();
			if (!$result) {
				common_log_db_error($profile_tag, 'DELETE', __FILE__);
				return false;
			}
		}
		
		foreach ($to_insert as $instag) {
			$profile_tag->tag = $instag;
			$result = $profile_tag->insert();
			if (!$result) {
				common_log_db_error($profile_tag, 'INSERT', __FILE__);
				return false;
			}
		}
		
		$profile_tag->query('COMMIT');
		
		return true;
	}
	
	# Return profiles with a given tag
	static function getTagged($tagger, $tag) {
		$profile = new Profile();
		$profile->query('SELECT profile.* ' .
						'FROM profile JOIN profile_tag ' .
						'ON profile.id = profile_tag.tagged ' .
						'WHERE profile_tag.tagger = ' . $tagger . ' ' .
						'AND profile_tag.tag = "' . $tag . '" ');
		$tagged = array();
		while ($profile->fetch()) {
			$tagged[] = clone($profile);
		}
		return $tagged;
	}
}