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<?php
/*
* $Id: Import.php 7490 2010-03-29 19:53:27Z jwage $
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
/**
* class Doctrine_Import
* Main responsible of performing import operation. Delegates database schema
* reading to a reader object and passes the result to a builder object which
* builds a Doctrine data model.
*
* @package Doctrine
* @subpackage Import
* @link www.doctrine-project.org
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @since 1.0
* @version $Revision: 7490 $
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Jukka Hassinen <Jukka.Hassinen@BrainAlliance.com>
*/
class Doctrine_Import extends Doctrine_Connection_Module
{
protected $sql = array();
/**
* lists all databases
*
* @return array
*/
public function listDatabases()
{
if ( ! isset($this->sql['listDatabases'])) {
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
return $this->conn->fetchColumn($this->sql['listDatabases']);
}
/**
* lists all availible database functions
*
* @return array
*/
public function listFunctions()
{
if ( ! isset($this->sql['listFunctions'])) {
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
return $this->conn->fetchColumn($this->sql['listFunctions']);
}
/**
* lists all database triggers
*
* @param string|null $database
* @return array
*/
public function listTriggers($database = null)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists all database sequences
*
* @param string|null $database
* @return array
*/
public function listSequences($database = null)
{
if ( ! isset($this->sql['listSequences'])) {
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
return $this->conn->fetchColumn($this->sql['listSequences']);
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableConstraints($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists table relations
*
* Expects an array of this format to be returned with all the relationships in it where the key is
* the name of the foreign table, and the value is an array containing the local and foreign column
* name
*
* Array
* (
* [groups] => Array
* (
* [local] => group_id
* [foreign] => id
* )
* )
*
* @param string $table database table name
* @return array
*/
public function listTableRelations($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableColumns($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists table constraints
*
* @param string $table database table name
* @return array
*/
public function listTableIndexes($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists tables
*
* @param string|null $database
* @return array
*/
public function listTables($database = null)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists table triggers
*
* @param string $table database table name
* @return array
*/
public function listTableTriggers($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists table views
*
* @param string $table database table name
* @return array
*/
public function listTableViews($table)
{
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
/**
* lists database users
*
* @return array
*/
public function listUsers()
{
if ( ! isset($this->sql['listUsers'])) {
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
return $this->conn->fetchColumn($this->sql['listUsers']);
}
/**
* lists database views
*
* @param string|null $database
* @return array
*/
public function listViews($database = null)
{
if ( ! isset($this->sql['listViews'])) {
throw new Doctrine_Import_Exception(__FUNCTION__ . ' not supported by this driver.');
}
return $this->conn->fetchColumn($this->sql['listViews']);
}
/**
* checks if a database exists
*
* @param string $database
* @return boolean
*/
public function databaseExists($database)
{
return in_array($database, $this->listDatabases());
}
/**
* checks if a function exists
*
* @param string $function
* @return boolean
*/
public function functionExists($function)
{
return in_array($function, $this->listFunctions());
}
/**
* checks if a trigger exists
*
* @param string $trigger
* @param string|null $database
* @return boolean
*/
public function triggerExists($trigger, $database = null)
{
return in_array($trigger, $this->listTriggers($database));
}
/**
* checks if a sequence exists
*
* @param string $sequence
* @param string|null $database
* @return boolean
*/
public function sequenceExists($sequence, $database = null)
{
return in_array($sequence, $this->listSequences($database));
}
/**
* checks if a table constraint exists
*
* @param string $constraint
* @param string $table database table name
* @return boolean
*/
public function tableConstraintExists($constraint, $table)
{
return in_array($constraint, $this->listTableConstraints($table));
}
/**
* checks if a table column exists
*
* @param string $column
* @param string $table database table name
* @return boolean
*/
public function tableColumnExists($column, $table)
{
return in_array($column, $this->listTableColumns($table));
}
/**
* checks if a table index exists
*
* @param string $index
* @param string $table database table name
* @return boolean
*/
public function tableIndexExists($index, $table)
{
return in_array($index, $this->listTableIndexes($table));
}
/**
* checks if a table exists
*
* @param string $table
* @param string|null $database
* @return boolean
*/
public function tableExists($table, $database = null)
{
return in_array($table, $this->listTables($database));
}
/**
* checks if a table trigger exists
*
* @param string $trigger
* @param string $table database table name
* @return boolean
*/
public function tableTriggerExists($trigger, $table)
{
return in_array($trigger, $this->listTableTriggers($table));
}
/**
* checks if a table view exists
*
* @param string $view
* @param string $table database table name
* @return boolean
*/
public function tableViewExists($view, $table)
{
return in_array($view, $this->listTableViews($table));
}
/**
* checks if a user exists
*
* @param string $user
* @return boolean
*/
public function userExists($user)
{
return in_array($user, $this->listUsers());
}
/**
* checks if a view exists
*
* @param string $view
* @param string|null $database
* @return boolean
*/
public function viewExists($view, $database = null)
{
return in_array($view, $this->listViews($database));
}
/**
* importSchema
*
* method for importing existing schema to Doctrine_Record classes
*
* @param string $directory
* @param array $connections Array of connection names to generate models for
* @return array the names of the imported classes
*/
public function importSchema($directory, array $connections = array(), array $options = array())
{
$classes = array();
$manager = Doctrine_Manager::getInstance();
foreach ($manager as $name => $connection) {
// Limit the databases to the ones specified by $connections.
// Check only happens if array is not empty
if ( ! empty($connections) && ! in_array($name, $connections)) {
continue;
}
$builder = new Doctrine_Import_Builder();
$builder->setTargetPath($directory);
$builder->setOptions($options);
$definitions = array();
foreach ($connection->import->listTables() as $table) {
$definition = array();
$definition['tableName'] = $table;
$definition['className'] = Doctrine_Inflector::classify(Doctrine_Inflector::tableize($table));
$definition['columns'] = $connection->import->listTableColumns($table);
$definition['connection'] = $connection->getName();
$definition['connectionClassName'] = $definition['className'];
try {
$definition['relations'] = array();
$relations = $connection->import->listTableRelations($table);
$relClasses = array();
foreach ($relations as $relation) {
$table = $relation['table'];
$class = Doctrine_Inflector::classify(Doctrine_Inflector::tableize($table));
if (in_array($class, $relClasses)) {
$alias = $class . '_' . (count($relClasses) + 1);
} else {
$alias = $class;
}
$relClasses[] = $class;
$definition['relations'][$alias] = array(
'alias' => $alias,
'class' => $class,
'local' => $relation['local'],
'foreign' => $relation['foreign']
);
}
} catch (Exception $e) {}
$definitions[strtolower($definition['className'])] = $definition;
$classes[] = $definition['className'];
}
// Build opposite end of relationships
foreach ($definitions as $definition) {
$className = $definition['className'];
$relClasses = array();
foreach ($definition['relations'] as $alias => $relation) {
if (in_array($relation['class'], $relClasses) || isset($definitions[$relation['class']]['relations'][$className])) {
$alias = $className . '_' . (count($relClasses) + 1);
} else {
$alias = $className;
}
$relClasses[] = $relation['class'];
$definitions[strtolower($relation['class'])]['relations'][$alias] = array(
'type' => Doctrine_Relation::MANY,
'alias' => $alias,
'class' => $className,
'local' => $relation['foreign'],
'foreign' => $relation['local']
);
}
}
// Build records
foreach ($definitions as $definition) {
$builder->buildRecord($definition);
}
}
return $classes;
}
}
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