function addTo(Model $model, Model $relatedModel)
{
if (!$model->primaryKeyIsSet()) {
$model->insert();
}
if (!isset($this->through)) {
$foreignKey = $this->foreignKey;
$localKey = Model::primaryKeyName($model);
$relatedModel->{$foreignKey} = $model->{$localKey};
$relatedModel->save();
} else {
if (!$relatedModel->primaryKeyIsSet()) {
$relatedModel->insert();
}
// TODO: This is a shitshow.
$through = new $this->through();
$localPrimaryKey = Model::primaryKeyName($model);
$localForeignKey = $this->foreignKey;
$through->{$localForeignKey} = $model->{$localPrimaryKey};
$relatedPrimaryKey = Model::primaryKeyName($this->through);
$relatedForeignKey = Model::getRelationship($this->through, Inflector::toSingular($this->name))->foreignKey;
$through->{$relatedForeignKey} = $relatedModel->{$relatedPrimaryKey};
$through->insert();
}
return $model;
}
function set(Model $model, Model $relatedModel)
{
if (!$relatedModel->primaryKeyIsSet()) {
$relatedModel->insert();
}
$foreignKey = $this->foreignKey;
$relatedPrimaryKey = Model::primaryKeyName($relatedModel);
$model->{$foreignKey} = $relatedModel->{$relatedPrimaryKey};
$model->save();
return $model;
}
