<?php function group_add($uid,$name) { $ret = false; if(x($uid) && x($name)) { $r = group_byname($uid,$name); // check for dups if($r !== false) { // This could be a problem. // Let's assume we've just created a group which we once deleted // all the old members are gone, but the group remains so we don't break any security // access lists. What we're doing here is reviving the dead group, but old content which // was restricted to this group may now be seen by the new group members. $z = q("SELECT * FROM `group` WHERE `id` = %d LIMIT 1", intval($r) ); if(count($z) && $z[0]['deleted']) { $r = q("UPDATE `group` SET `deleted` = 0 WHERE `uid` = %d AND `name` = '%s' LIMIT 1", intval($uid), dbesc($name) ); notice( t('A deleted group with this name was revived. Existing item permissions <strong>may</strong> apply to this group and any future members. If this is not what you intended, please create another group with a different name.') . EOL); } 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 $r = q("UPDATE `group` SET `deleted` = 1 WHERE `uid` = %d AND `name` = '%s' LIMIT 1", intval($uid), dbesc($name) ); $ret = $r; } 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($r)) return true; // You might question this, but // we indicate success because the group member was in fact created // -- It was just created at another time if(! count($r)) $r = q("INSERT INTO `group_member` (`uid`, `gid`, `contact-id`) VALUES( %d, %d, %d ) ", intval($uid), intval($gid), intval($member) ); return $r; } function group_get_members($gid) { $ret = array(); if(intval($gid)) { $r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member` LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id` WHERE `gid` = %d AND `group_member`.`uid` = %d ORDER BY `contact`.`name` ASC ", intval($gid), intval(local_user()) ); if(count($r)) $ret = $r; } return $ret; } function group_public_members($gid) { $ret = 0; if(intval($gid)) { $r = q("SELECT `contact`.`id` AS `contact-id` FROM `group_member` LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id` WHERE `gid` = %d AND `group_member`.`uid` = %d AND `contact`.`network` = '%s' AND `contact`.`notify` != '' ", intval($gid), intval(local_user()), dbesc(NETWORK_OSTATUS) ); if(count($r)) $ret = count($r); } return $ret; } function group_side($every="contacts",$each="group",$edit = false, $group_id = 0, $cid = 0) { $o = ''; if(! local_user()) return ''; $groups = array(); $groups[] = array( 'text' => t('Everybody'), 'id' => 0, 'selected' => (($group_id == 0) ? 'group-selected' : ''), 'href' => $every, ); $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC", intval($_SESSION['uid']) ); $member_of = array(); if($cid) { $member_of = groups_containing(local_user(),$cid); } if(count($r)) { foreach($r as $rr) { $selected = (($group_id == $rr['id']) ? ' group-selected' : ''); if ($edit) { $groupedit = array( 'href' => "group/".$rr['id'], 'title' => t('edit'), ); } else { $groupedit = null; } $groups[] = array( 'id' => $rr['id'], 'cid' => $cid, 'text' => $rr['name'], 'selected' => $selected, 'href' => $each."/".$rr['id'], 'edit' => $groupedit, 'ismember' => in_array($rr['id'],$member_of), ); } } $tpl = get_markup_template("group_side.tpl"); $o = replace_macros($tpl, array( '$title' => t('Groups'), '$edittext' => t('Edit group'), '$createtext' => t('Create a new group'), '$groups' => $groups, '$add' => t('add'), )); return $o; } function expand_groups($a) { if(! (is_array($a) && count($a))) return array(); $groups = implode(',', $a); $groups = dbesc($groups); $r = q("SELECT `contact-id` FROM `group_member` WHERE `gid` IN ( $groups )"); $ret = array(); if(count($r)) foreach($r as $rr) $ret[] = $rr['contact-id']; return $ret; } function member_of($c) { $r = q("SELECT `group`.`name`, `group`.`id` FROM `group` LEFT JOIN `group_member` ON `group_member`.`gid` = `group`.`id` WHERE `group_member`.`contact-id` = %d AND `group`.`deleted` = 0 ORDER BY `group`.`name` ASC ", intval($c) ); return $r; } function groups_containing($uid,$c) { $r = q("SELECT `gid` FROM `group_member` WHERE `uid` = %d AND `group_member`.`contact-id` = %d ", intval($uid), intval($c) ); $ret = array(); if(count($r)) { foreach($r as $rr) $ret[] = $rr['gid']; } return $ret; }