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< ? php
function group_add ( $uid , $name ) {
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$ret = false ;
if ( x ( $uid ) && x ( $name )) {
$r = group_byname ( $uid , $name ); // check for dups
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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 ( $name )
);
notice ( t ( 'A deleted group with this name was revived. Existing item permissions <strong>may</strong> apply to this group and any future members. If this is not what you intended, please create another group with a different name.' ) . EOL );
}
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return true ;
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}
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$r = q ( " INSERT INTO `group` ( `uid`, `name` )
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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 )
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);
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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 ( $group_id )
);
// remove group
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$r = q ( " UPDATE `group` SET `deleted` = 1 WHERE `uid` = %d AND `name` = '%s' LIMIT 1 " ,
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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 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 ;
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}
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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`
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WHERE `gid` = % d AND `group_member` . `uid` = % d ORDER BY `contact` . `name` ASC " ,
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intval ( $gid ),
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intval ( local_user ())
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);
if ( count ( $r ))
$ret = $r ;
}
return $ret ;
}
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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`
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WHERE `gid` = % d AND `group_member` . `uid` = % d
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AND `contact` . `network` = '%s' AND `contact` . `notify` != '' " ,
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intval ( $gid ),
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intval ( local_user ()),
dbesc ( NETWORK_OSTATUS )
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);
if ( count ( $r ))
$ret = count ( $r );
}
return $ret ;
}
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function group_side ( $every = " contacts " , $each = " group " , $edit = false , $group_id = 0 , $cid = 0 ) {
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$o = '' ;
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if ( ! local_user ())
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return '' ;
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$groups = array ();
$groups [] = array (
'text' => t ( 'Everybody' ),
'selected' => (( $group_id == 0 ) ? 'group-selected' : '' ),
'href' => $every ,
);
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$r = q ( " SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d ORDER BY `name` ASC " ,
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intval ( $_SESSION [ 'uid' ])
);
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$member_of = array ();
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if ( $cid ) {
$member_of = groups_containing ( local_user (), $cid );
}
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if ( count ( $r )) {
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foreach ( $r as $rr ) {
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$selected = (( $group_id == $rr [ 'id' ]) ? ' group-selected' : '' );
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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' ], $member_of ),
);
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}
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}
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$tpl = get_markup_template ( " group_side.tpl " );
$o = replace_macros ( $tpl , array (
'$title' => t ( 'Groups' ),
'$createtext' => t ( 'Create a new group' ),
'$groups' => $groups ,
'$add' => t ( 'add' ),
));
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return $o ;
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}
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 ;
}
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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 ;
}
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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 ;
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}