<?php

namespace Faker\ORM\Propel;

/**
 * Service class for populating a database using the Propel ORM.
 * A Populator can populate several tables using ActiveRecord classes.
 */
class Populator
{
    protected $generator;
    protected $entities = [];
    protected $quantities = [];

    public function __construct(\Faker\Generator $generator)
    {
        $this->generator = $generator;
    }

    /**
     * Add an order for the generation of $number records for $entity.
     *
     * @param mixed $entity A Propel ActiveRecord classname, or a \Faker\ORM\Propel\EntityPopulator instance
     * @param int   $number The number of entities to populate
     */
    public function addEntity($entity, $number, $customColumnFormatters = [], $customModifiers = [])
    {
        if (!$entity instanceof \Faker\ORM\Propel\EntityPopulator) {
            $entity = new \Faker\ORM\Propel\EntityPopulator($entity);
        }
        $entity->setColumnFormatters($entity->guessColumnFormatters($this->generator));

        if ($customColumnFormatters) {
            $entity->mergeColumnFormattersWith($customColumnFormatters);
        }
        $entity->setModifiers($entity->guessModifiers($this->generator));

        if ($customModifiers) {
            $entity->mergeModifiersWith($customModifiers);
        }
        $class = $entity->getClass();
        $this->entities[$class] = $entity;
        $this->quantities[$class] = $number;
    }

    /**
     * Populate the database using all the Entity classes previously added.
     *
     * @param PropelPDO $con A Propel connection object
     *
     * @return array A list of the inserted PKs
     */
    public function execute($con = null)
    {
        if (null === $con) {
            $con = $this->getConnection();
        }
        $isInstancePoolingEnabled = \Propel::isInstancePoolingEnabled();
        \Propel::disableInstancePooling();
        $insertedEntities = [];
        $con->beginTransaction();

        foreach ($this->quantities as $class => $number) {
            for ($i = 0; $i < $number; ++$i) {
                $insertedEntities[$class][] = $this->entities[$class]->execute($con, $insertedEntities);
            }
        }
        $con->commit();

        if ($isInstancePoolingEnabled) {
            \Propel::enableInstancePooling();
        }

        return $insertedEntities;
    }

    protected function getConnection()
    {
        // use the first connection available
        $class = key($this->entities);

        if (!$class) {
            throw new \RuntimeException('No class found from entities. Did you add entities to the Populator ?');
        }

        $peer = $class::PEER;

        return \Propel::getConnection($peer::DATABASE_NAME, \Propel::CONNECTION_WRITE);
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox