Revert "include/socgraph - remove a few obsolete and long-deprecated functions"

This reverts commit e2d028fb97.

include/socgraph.php

@@ -243,6 +243,77 @@ function common_friends($uid,$xchan,$start = 0,$limit=100000000,$shuffle = false
 }
 
 
+function count_common_friends_zcid($uid,$zcid) {
+
+	$r = q("SELECT count(*) as total 
+		FROM glink left join gcontact on glink.gcid = gcontact.id
+		where glink.zcid = %d
+		and gcontact.nurl in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
+		intval($zcid),
+		intval($uid)
+	);
+
+	if(count($r))
+		return $r[0]['total'];
+
+	return 0;
+}
+
+function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
+
+	if($shuffle)
+		$sql_extra = " order by rand() ";
+	else
+		$sql_extra = " order by gcontact.name asc "; 
+
+	$r = q("SELECT gcontact.* 
+		FROM glink left join gcontact on glink.gcid = gcontact.id
+		where glink.zcid = %d
+		and gcontact.nurl in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) 
+		$sql_extra limit %d offset %d",
+		intval($zcid),
+		intval($uid),
+		intval($limit),
+		intval($start)
+	);
+
+	return $r;
+}
+
+
+function count_all_friends($uid,$cid) {
+
+	$r = q("SELECT count(*) as total
+		FROM glink left join gcontact on glink.gcid = gcontact.id
+		where glink.cid = %d and glink.uid = %d ",
+		intval($cid),
+		intval($uid)
+	);
+
+	if(count($r))
+		return $r[0]['total'];
+
+	return 0;
+}
+
+
+function all_friends($uid,$cid,$start = 0, $limit = 80) {
+
+	$r = q("SELECT gcontact.* 
+		FROM glink left join gcontact on glink.gcid = gcontact.id
+		where glink.cid = %d and glink.uid = %d 
+		order by gcontact.name asc LIMIT %d OFFSET %d ",
+		intval($cid),
+		intval($uid),
+		intval($limit),
+		intval($start)
+	);
+
+	return $r;
+}
+
+
+
 function suggestion_query($uid, $myxchan, $start = 0, $limit = 80) {
 
 	if((! $uid) || (! $myxchan))