friendica-addons/widgets/widget_like.php

<?php

function like_widget_name() {
	return "Shows likes";
}
function like_widget_help() {
	return "Search first item which contains <em>KEY</em> and print like/dislike count";
}

function like_widget_args(){
	return Array("KEY");
}

function like_widget_content(&$a, $conf){
	$args = explode(",",$_GET['a']);
	
	
	$baseq="SELECT COUNT(`item`.`id`) as `c`, `p`.`id`
					FROM `item`, 
						(SELECT `i`.`id` FROM `item` as `i` WHERE 
							`i`.`visible` = 1 AND `i`.`deleted` = 0
							AND (( `i`.`wall` = 1 AND `i`.`allow_cid` = ''  
									AND `i`.`allow_gid` = '' 
									AND `i`.`deny_cid`  = '' 
									AND `i`.`deny_gid`  = '' ) 
								  OR `i`.`uid` = %d )
							AND `i`.`body` LIKE '%%%s%%' LIMIT 1) as `p`
					WHERE `item`.`parent` = `p`.`id` ";
	
	// count likes
	$r = q( $baseq . "AND `item`.`verb` = 'http://activitystrea.ms/schema/1.0/like'",
			intval($conf['uid']),
			dbesc($args[0])
	);
	$likes = $r[0]['c'];
	$iid = $r[0]['id'];
	
	// count dislikes
	$r = q( $baseq . "AND `item`.`verb` = 'http://purl.org/macgirvin/dfrn/1.0/dislike'",
			intval($conf['uid']),
			dbesc($args[0])
	);
	$dislikes = $r[0]['c'];
	
	
	require_once("include/conversation.php");
	
	$o = "";
	
	$t = file_get_contents( dirname(__file__). "/widget_like.tpl" );
	$o .= replace_macros($t, array(
		'$like'		=> $likes,
		'$strlike'	=> sprintf( tt("%d person likes this", "%d people like this", $likes), $likes),
		
		'$dislike'	=> $dislikes,
		'$strdislike'=> sprintf( tt("%d person doesn't like this", "%d people don't like this", $dislikes), $dislikes),
		
		'$baseurl' => $a->get_baseurl(),
	));
		
	return $o;
}