friendica/include/group.php
2010-07-25 16:27:22 -07:00

167 lines
3.4 KiB
PHP

<?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 $r;
}
function group_get_members($gid) {
$ret = array();
if(intval($gid)) {
$r = q("SELECT `group_member`.`contact-id`, `contact`.* FROM `group_member`
LEFT JOIN `contact` ON `contact`.`id` = `group_member`.`contact-id`
WHERE `gid` = %d AND `group_member`.`uid` = %d",
intval($gid),
intval($_SESSION['uid'])
);
if(count($r))
$ret = $r;
}
return $ret;
}
function group_side($every="contacts",$each="group") {
if(! local_user())
return;
$o .= <<< EOT
<div id="group-sidebar">
<h3>Groups</h3>
<div id="sidebar-new-group">
<a href="group/new">Create a new group</a>
</div>
<div id="sidebar-group-list">
<ul id="sidebar-group-ul">
<li class="sidebar-group-li" ><a href="$every">Everybody</a></li>
EOT;
$r = q("SELECT * FROM `group` WHERE `uid` = %d",
intval($_SESSION['uid'])
);
if(count($r)) {
foreach($r as $rr)
$o .= " <li class=\"sidebar-group-li\"><a href=\"$each/{$rr['id']}\">{$rr['name']}</a></li>\r\n";
}
$o .= " </ul>\r\n </div>\r\n</div>";
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;
}