/**
* Get the SQL of a insert statement
* @param zibo\library\database\manipulation\statement\manipulation\InsertStatement $statement
* @return string SQL of the insert statement
* @throws zibo\library\database\exception\DatabaseException when no table was added to the statement
* @throws zibo\library\database\exception\DatabaseException when no values where added to the statement
*/
protected function parseInsertStatement(InsertStatement $statement)
{
$tables = $statement->getTables();
if (empty($tables)) {
throw new DatabaseException('No tables added to the insert statement');
}
$table = array_shift($tables);
$values = $statement->getValues();
if (empty($values)) {
throw new DatabaseException('No values added to the insert statement');
}
$sqlFields = '';
$sqlValues = '';
foreach ($values as $valueExpression) {
$field = $valueExpression->getField();
$value = $valueExpression->getValue();
$value = $this->parseExpression($value);
$sqlFields .= ($sqlFields == '' ? '' : ', ') . $this->connection->quoteIdentifier($field->getName());
$sqlValues .= ($sqlValues == '' ? '' : ', ') . $value;
}
$sql = 'INSERT INTO ' . $this->connection->quoteIdentifier($table->getName());
$sql .= ' (' . $sqlFields . ') VALUES (' . $sqlValues . ')';
return $sql;
}
public function testInsertStatement()
{
$statement = new InsertStatement();
$statement->addTable(new TableExpression('table'));
$statement->addValue(new FieldExpression('field1'), new ScalarExpression('test'));
$statement->addValue(new FieldExpression('field2'), new ScalarExpression(2));
$statement->addValue(new FieldExpression('field3'), new ScalarExpression(false));
$sql = $this->parser->parseStatement($statement);
$this->assertNotNull($sql);
$this->assertEquals('INSERT INTO `table` (`field1`, `field2`, `field3`) VALUES (\'test\', 2, 0)', $sql);
}
/**
* Saves a has many value to the model of the field. This is a many to many field.
* @param mixed $data Value of the has many field
* @param string $fieldName Name of the has many field
* @param integer $id Primary key of the data which is being saved
* @param boolean $isNew Flag to see whether this is an insert or an update
* @return null
*/
private function saveHasManyAndBelongsToMany($data, $fieldName, $id, $isNew)
{
if (!is_array($data)) {
throw new ModelException('Provided value for ' . $fieldName . ' should be an array');
}
$foreignKeys = $this->meta->getRelationForeignKey($fieldName);
$foreignKeyToSelf = null;
if (!is_array($foreignKeys)) {
$foreignKeyToSelf = $this->meta->getRelationForeignKeyToSelf($fieldName);
$foreignKeys = array($foreignKeys, $foreignKeyToSelf);
} else {
$foreignKeys = array_values($foreignKeys);
}
if (!$isNew) {
if ($foreignKeyToSelf) {
// relation with other model
$this->deleteOldHasManyAndBelongsToMany($id, $fieldName, $foreignKeyToSelf);
} else {
// relation with self
foreach ($foreignKeys as $foreignKey) {
$this->deleteOldHasManyAndBelongsToMany($id, $fieldName, $foreignKey);
}
}
}
$model = $this->meta->getRelationModel($fieldName);
$linkModel = $this->meta->getRelationLinkModel($fieldName);
$linkTable = new TableExpression($linkModel->getName());
$foreignKey1 = new FieldExpression($foreignKeys[0]->getName());
$foreignKey2 = new FieldExpression($foreignKeys[1]->getName());
foreach ($data as $recordId => $record) {
if (!is_numeric($record)) {
$model->save($record);
$recordNewId = $record->id;
} else {
$recordNewId = $record;
}
$statement = new InsertStatement();
$statement->addTable($linkTable);
$statement->addValue($foreignKey1, $recordNewId);
$statement->addValue($foreignKey2, $id);
$this->executeStatement($statement);
$linkModel->clearCache();
}
}
