Whats the best way to achieve reciprocity between a HABTM self-referencing
model?
For example:
I have a model called Zones it HABTM other Zones. I have the join table
setup and everything is working like other HABTM models. But I want the
reverse connection to also be established. So instead of adding one entry
to the connections table it should add two; the second with the ids
reversed.
Seems like there should be a better way than using afterSave and looping
through the zones that were connected, adding the newly created ID as a
connection, and re-saving.
class Zone extends AppModel {
/**
* Use table
*
* @var mixed False or table name
*/
public $hasAndBelongsToMany = array(
'Connection' => array(
'className' => 'Zone',
'joinTable' => 'Zones_Connections',
'foreignKey' => 'zone_id',
'associationForeignKey' => 'connection_id',
'unique' => 'keepExisting'
)
);
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