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< ? php
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namespace ZM ;
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class Group extends ZM_Object {
protected static $table = 'Groups' ;
protected $defaults = array (
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'Id' => null ,
'Name' => '' ,
'ParentId' => null ,
);
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public static function find ( $parameters = array (), $options = array () ) {
return ZM_Object :: _find ( get_class (), $parameters , $options );
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}
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public static function find_one ( $parameters = array (), $options = array () ) {
return ZM_Object :: _find_one ( get_class (), $parameters , $options );
}
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public function delete () {
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if ( array_key_exists ( 'Id' , $this ) ) {
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dbQuery ( 'DELETE FROM Groups_Monitors WHERE GroupId=?' , array ( $this -> { 'Id' }));
dbQuery ( 'UPDATE Groups SET ParentId=NULL WHERE ParentId=?' , array ( $this -> { 'Id' }));
dbQuery ( 'DELETE FROM Groups WHERE Id=?' , array ( $this -> { 'Id' }));
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if ( isset ( $_COOKIE [ 'zmGroup' ]) ) {
if ( $this -> { 'Id' } == $_COOKIE [ 'zmGroup' ] ) {
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unset ( $_COOKIE [ 'zmGroup' ]);
setcookie ( 'zmGroup' , '' , time () - 3600 * 24 * 2 );
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}
}
}
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} # end function delete()
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public function depth ( $new = null ) {
if ( isset ( $new ) ) {
$this -> { 'depth' } = $new ;
}
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if ( ! array_key_exists ( 'depth' , $this ) or ( $this -> { 'depth' } === null ) ) {
$this -> { 'depth' } = 0 ;
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if ( $this -> { 'ParentId' } != null ) {
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$Parent = Group :: find_one ( array ( 'Id' => $this -> { 'ParentId' }));
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$this -> { 'depth' } += $Parent -> depth () + 1 ;
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}
}
return $this -> { 'depth' };
} // end public function depth
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public function MonitorIds ( ) {
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if ( ! array_key_exists ( 'MonitorIds' , $this ) ) {
$this -> { 'MonitorIds' } = dbFetchAll ( 'SELECT MonitorId FROM Groups_Monitors WHERE GroupId=?' , 'MonitorId' , array ( $this -> { 'Id' }));
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}
return $this -> { 'MonitorIds' };
}
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public static function get_group_dropdown ( ) {
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$selected_group_id = 0 ;
if ( isset ( $_REQUEST [ 'groups' ]) ) {
$selected_group_id = $group_id = $_SESSION [ 'groups' ] = $_REQUEST [ 'groups' ];
} else if ( isset ( $_SESSION [ 'groups' ] ) ) {
$selected_group_id = $group_id = $_SESSION [ 'groups' ];
} else if ( isset ( $_REQUEST [ 'filtering' ]) ) {
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zm_session_start ();
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unset ( $_SESSION [ 'groups' ]);
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session_write_close ();
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}
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return htmlSelect ( 'GroupId[]' , Group :: get_dropdown_options (), isset ( $_SESSION [ 'GroupId' ]) ? $_SESSION [ 'GroupId' ] : null , array (
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'data-on-change' => 'submitThisForm' ,
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'class' => 'chosen' ,
'multiple' => 'multiple' ,
'data-placeholder' => 'All' ,
) );
} # end public static function get_group_dropdown
public static function get_dropdown_options () {
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$Groups = array ();
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foreach ( Group :: find ( ) as $Group ) {
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$Groups [ $Group -> Id ()] = $Group ;
}
# This array is indexed by parent_id
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global $children ;
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$children = array ();
foreach ( $Groups as $id => $Group ) {
if ( $Group -> ParentId () != null ) {
if ( ! isset ( $children [ $Group -> ParentId ()] ) )
$children [ $Group -> ParentId ()] = array ();
$children [ $Group -> ParentId ()][] = $Group ;
}
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} # end foreach
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function get_options ( $Group ) {
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global $children ;
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$options = array ( $Group -> Id () => str_repeat ( ' ' , $Group -> depth ()) . $Group -> Name ());
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if ( isset ( $children [ $Group -> Id ()]) ) {
foreach ( $children [ $Group -> Id ()] as $child ) {
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$options += get_options ( $child );
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}
}
return $options ;
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} # end function get_options
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$group_options = array ();
foreach ( $Groups as $id => $Group ) {
if ( ! $Group -> ParentId () ) {
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$group_options += get_options ( $Group );
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}
}
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return $group_options ;
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} # end function get_dropdown_options
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public static function get_group_sql ( $group_id ) {
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$groupSql = '' ;
if ( $group_id ) {
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if ( is_array ( $group_id ) ) {
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$group_id_sql_part = ' IN (' . implode ( ',' , array_map ( function (){ return '?' ;}, $group_id ) ) . ')' ;
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$MonitorIds = dbFetchAll ( 'SELECT `MonitorId` FROM `Groups_Monitors` WHERE `GroupId`' . $group_id_sql_part , 'MonitorId' , $group_id );
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$MonitorIds = array_merge ( $MonitorIds , dbFetchAll ( 'SELECT `MonitorId` FROM `Groups_Monitors` WHERE `GroupId` IN (SELECT `Id` FROM `Groups` WHERE `ParentId`' . $group_id_sql_part . ')' , 'MonitorId' , $group_id ));
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} else {
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$MonitorIds = dbFetchAll ( 'SELECT `MonitorId` FROM `Groups_Monitors` WHERE `GroupId`=?' , 'MonitorId' , array ( $group_id ));
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$MonitorIds = array_merge ( $MonitorIds , dbFetchAll ( 'SELECT `MonitorId` FROM `Groups_Monitors` WHERE `GroupId` IN (SELECT `Id` FROM `Groups` WHERE `ParentId` = ?)' , 'MonitorId' , array ( $group_id )));
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}
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$groupSql = " find_in_set( M.Id, ' " . implode ( ',' , $MonitorIds ) . " ' ) " ;
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}
return $groupSql ;
} # end public static function get_group_sql( $group_id )
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public static function get_monitors_dropdown ( $options = null ) {
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$monitor_id = 0 ;
if ( isset ( $_REQUEST [ 'monitor_id' ]) ) {
$monitor_id = $_REQUEST [ 'monitor_id' ];
} else if ( isset ( $_COOKIE [ 'zmMonitorId' ]) ) {
$monitor_id = $_COOKIE [ 'zmMonitorId' ];
}
$sql = 'SELECT `Id`,`Name` FROM `Monitors`' ;
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if ( $options ) {
$sql .= ' WHERE ' . implode ( ' AND ' , array (
( isset ( $options [ 'groupSql' ]) ? $options [ 'groupSql' ] : '' )
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) ) . ' ORDER BY `Sequence` ASC' ;
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}
$monitors_dropdown = array ( '' => 'All' );
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foreach ( dbFetchAll ( $sql ) as $monitor ) {
if ( ! visibleMonitor ( $monitor [ 'Id' ]) ) {
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continue ;
}
$monitors_dropdown [ $monitor [ 'Id' ]] = $monitor [ 'Name' ];
}
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echo htmlSelect ( 'monitor_id' , $monitors_dropdown , $monitor_id , array ( 'data-on-change-this' => 'changeMonitor' ));
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return $monitor_id ;
}
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public function Parent ( ) {
if ( $this -> { 'ParentId' } ) {
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return Group :: find_one ( array ( 'Id' => $this -> { 'ParentId' }));
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}
return null ;
}
public function Parents () {
$Parents = array ();
$Parent = $this -> Parent ();
while ( $Parent ) {
array_unshift ( $Parents , $Parent );
$Parent = $Parent -> Parent ();
}
return $Parents ;
}
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} # end class Group
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?>