group work, dfrn_poll

include/group.php

@@ -0,0 +1,105 @@
+<?php
+
+
+function group_add($uid,$name) {
+
+	$ret = false;
+	if(x($uid) && x($name)) {
+		$r = group_byname($uid,$name); // check for dups
+		if($r !== false) 
+			return true;
+		$r = q("INSERT INTO `group` ( `uid`', `name` )
+			VALUES( %d, '%s' ) ",
+			intval($uid),
+			dbesc($name)
+		);
+		$ret = $r;
+	}	
+	return $ret;
+}
+
+
+function group_rmv($uid,$name) {
+	$ret = false;
+	if(x($uid) && x($name)) {
+		$r = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
+			intval($uid),
+			dbesc($name)
+		}
+		if(count($r))
+			$group_id = $r[0]['id'];
+		if(! $group_id)
+			return false;
+
+		// remove all members
+		$r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d ",
+			intval($uid),
+			intval($group_id)
+		);
+
+		// remove group
+		$r = q("DELETE FROM `group` WHERE `uid` = %d AND `id` = %d LIMIT 1",
+			intval($uid),
+			dbesc($name)
+		);
+
+		$ret = $r;
+
+	}
+	// TODO!! remove this group from all content ACL's !!
+
+	return $ret;
+}
+
+function group_byname($uid,$name) {
+	if((! $uid) || (! strlen($name)))
+		return false;
+	$r = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' LIMIT 1",
+		intval($uid),
+		dbesc($name)
+	);
+	if(count($r))
+		return $r[0]['id'];
+	return false;
+}
+
+function group_rmv_member($uid,$name,$member) {
+	$gid = group_byname($uid,$name);
+	if(! $gid)
+		return false;
+	if(! ( $uid && $gid && $member))
+		return false;
+	$r = q("DELETE FROM `group_member` WHERE `uid` = %d AND `gid` = %d AND `contact-id` = %d LIMIT 1 ",
+		intval($uid),
+		intval($gid),
+		intval($member)
+	);
+	return $r;
+	
+
+}
+
+
+function group_add_member($uid,$name,$member) {
+	$gid = group_byname($uid,$name);
+	if((! $gid) || (! $uid) || (! $member))
+		return false;
+
+	$r = q("SELECT * FROM `group_member` WHERE `uid` = %d AND `id` = %d AND `contact-id` = %d LIMIT 1",	
+		intval($uid),
+		intval($gid),
+		intval($member)
+	);
+	if(count($r))
+		return true;	// You might question this, but 
+				// we indicate success because the group was in fact created
+				// -- It was just created at another time
+ 	if(! count($r))
+		$r = q("INSERT INTO `group_member` (`uid`, `gid`, `contact-id`)
+			VALUES( %d, %d, %d ) ",
+			intval($uid),
+			intval($gid),
+			intval($member)
+	);
+	return $r;
+}