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<?php
/**
* IsisImporterRelations: provides ISIS import methods for importing data
* into model entities.
*/
class sfIsisImporterRelations extends sfIsisImporterEntities {
/**
* Import one to one data.
*
* @param object $model Model
* @param array $field Field data from ISIS database schema
* @param string $relation Relation name
*/
public function addOneToOne(&$model, array $field, $relation)
{
foreach (new IsisRowIterator($this->isis, $field) as $row)
{
$data = new $relation();
$this->addMain($data, $field, $row);
$this->addSubfields($data, $field, $row);
$data->save();
$key = sfInflector::underscore($relation) .'_id';
$model->$key = $data->id;
}
}
/**
* Import one to many data.
*
* @param object $model Model
* @param string $relation Relation name
* @return object Relation model object
*/
public function addOneToMany(&$model, $relation)
{
$model_id = $this->getModelId($model);
$data = new $relation();
$data->{$model_id} = $model->id;
$data->save();
return $data;
}
/**
* Add simple entities data into the model using main item data.
*
* @param object $model Model
* @param array $field Field data from ISIS database schema
* @param string $entity Entity name
* @param string $key Optional data key
*/
public function addOneToManyMain(&$model, array $field, $entity, $key = 'name')
{
foreach (new IsisMainItemIterator($this->isis, $field) as $row => $value)
{
$this->log("Entity: $entity; Value: $value", 'debug');
$data = $this->addOneToMany($model, $entity);
$data->{$key} = $value;
$data->save();
}
}
/**
* Add simple entities data into the model using subfield data.
*
* @param object $model Model
* @param array $field Field data from ISIS database schema
* @param string $entity Entity name
*/
public function addOneToManySubfields(&$model, array $field, $entity)
{
$relations = array();
foreach (new IsisSubfieldIterator($this->isis, $field) as $row => $subfield)
{
if (!isset($relations[$row]))
{
// Initialize a new relation.
$relations[$row] = $this->addOneToMany($model, $entity);
}
$relations[$row]->{$subfield} = $this->isis->getSubfield($field, $subfield, $row);
}
// Save all relations.
foreach($relations as $relation)
{
$relation->save();
}
}
/**
* Import a single value to a many to many data model.
*
* @param object $model Model
* @param mixed $values Values to be added
* @param string $relation Relation name
* @param string $key Value key
*/
public function addManyToMany(&$model, $value, $relation, $key = 'name')
{
return $this->addToSharedModel($model, $value, $relation, $key, 'add');
}
/**
* Import a single value to a shared data model.
*
* @param object $model Model
* @param mixed $values Values to be added
* @param string $relation Relation name
* @param string $key Value key
* @param string $strategy Strategy do add the content into the database
*/
public function addToSharedModel(&$model, $value, $relation, $key = 'name', $strategy = 'add')
{
$method = $strategy . $relation;
// Populate related data.
if (is_callable(array($this, $method)))
{
$data = $this->{$method}($value);
}
else
{
$data = $this->{$strategy .'Entity'}($relation, $value, $key);
}
// Get model and relation names and id fields.
$model_id = $this->getModelId($model);
$relation_id = $this->getRelationId($relation);
$model_relation = $this->getModelRelation($model, $relation);
// Make the relation.
$model_data = new $model_relation();
$model_data->{$model_id} = $model->id;
$model_data->{$relation_id} = $data->id;
$model_data->save();
return $model_data;
}
/**
* Import many to many data.
*
* @param object $model Model
* @param array $values Values to be added
* @param string $relation Relation name
* @param string $key Value key
*/
public function addManyToManyEntities(&$model, array $values, $relation, $key = 'name')
{
foreach ($values as $value)
{
$existing = $this->getEntity($relation, $value, $key);
// Prevent duplicate entries.
if (!$existing)
{
$this->addManyToMany($model, $value, $relation, $key);
}
else {
$this->log("Found duplicate entry $value for relation $key.", 'debug');
}
}
}
/**
* Add field values in a many-to-many relation.
*
* @param object $model Model
* @param array $field Field data from ISIS database schema
* @param string $relation Relation name
* @param string $key Value key
*/
public function addManyToManyMain(&$model, array $field, $relation, $key = 'name')
{
foreach (new IsisMainItemIterator($this->isis, $field) as $value)
{
$this->addManyToManyEntities($model, $this->isis->explodeBrackets($value), $relation, $key);
}
}
}
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