TechDivision\Import\Subjects\ExportableTrait

Complexity

Total Complexity

20

Size/Duplication

Total Lines	238
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

86.21%

Importance

Changes

0

12 Methods

Rating	Name	Duplication	Size	Complexity
A	getArtefacts()	0	4	1
A	overrideArtefacts()	0	6	2
A	appendArtefacts()	0	6	2
A	getArtefactsByTypeAndEntityId()	0	28	3
A	hasArtefactsByTypeAndEntityId()	0	4	1
A	addArtefacts()	0	22	4
A	newArtefact()	0	21	2
A	export()	0	4	1
A	setExportAdapter()	0	4	1
A	getExportAdapter()	0	4	1
A	setLastEntityId()	0	4	1
A	getLastEntityId()	0	4	1

<?php

/**
 * TechDivision\Import\Subjects\ExportableTrait
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 *
 * PHP version 5
 *
 * @author    Tim Wagner <t.wagner@techdivision.com>
 * @copyright 2016 TechDivision GmbH <info@techdivision.com>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import
 * @link      http://www.techdivision.com
 */

namespace TechDivision\Import\Subjects;

use TechDivision\Import\Utils\ColumnKeys;
use TechDivision\Import\Adapter\ExportAdapterInterface;

/**
 * The trait implementation for the artefact export functionality.
 *
 * @author    Tim Wagner <t.wagner@techdivision.com>
 * @copyright 2016 TechDivision GmbH <info@techdivision.com>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import
 * @link      http://www.techdivision.com
 */
trait ExportableTrait
{

    /**
     * The array containing the data for product type configuration (configurables, bundles, etc).
     *
     * @var array
     */
    protected $artefacs = array();

    /**
     * The export adapter instance.
     *
     * @var \TechDivision\Import\Adapter\ExportAdapterInterface
     */
    protected $exportAdapter;

    /**
     * The ID of the product that has been created recently.
     *
     * @var string
     */
    protected $lastEntityId;

    /**
     * Return's the artefacts for post-processing.
     *
     * @return array The artefacts
     */
    public function getArtefacts()
    {
        return $this->artefacs;
    }

    /**
     * Add the passed product type artefacts to the product with the
     * last entity ID.
     *
     * @param string  $type      The artefact type, e. g. configurable
     * @param array   $artefacts The product type artefacts
     * @param boolean $override  Whether or not the artefacts for the actual entity ID has to be overwritten
     *
     * @return void
     * @uses \TechDivision\Import\Product\Subjects\BunchSubject::getLastEntityId()
     */
    public function addArtefacts($type, array $artefacts, $override = true)
    {

        // query whether or not, any artefacts are available
        if (sizeof($artefacts) === 0) {
            return;
        }

        // serialize the original data
        array_walk($artefacts, function (&$artefact) {
            if (isset($artefact[ColumnKeys::ORIGINAL_DATA])) {
                $artefact[ColumnKeys::ORIGINAL_DATA] = serialize($artefact[ColumnKeys::ORIGINAL_DATA]);
            }
        });

        // query whether or not, existing artefacts has to be overwritten
        if ($override === true) {
            $this->overrideArtefacts($type, $artefacts);
        } else {
            $this->appendArtefacts($type, $artefacts);
        }
    }

    /**
     * Add the passed product type artefacts to the product with the
     * last entity ID and overrides existing ones with the same key.
     *
     * @param string $type      The artefact type, e. g. configurable
     * @param array  $artefacts The product type artefacts
     *
     * @return void
     */
    protected function overrideArtefacts($type, array $artefacts)
    {
        foreach ($artefacts as $key => $artefact) {
            $this->artefacs[$type][$this->getLastEntityId()][$key] = $artefact;
        }
    }

    /**
     * Append's the passed product type artefacts to the product with the
     * last entity ID.
     *
     * @param string $type      The artefact type, e. g. configurable
     * @param array  $artefacts The product type artefacts
     *
     * @return void
     */
    protected function appendArtefacts($type, array $artefacts)
    {
        foreach ($artefacts as $artefact) {
            $this->artefacs[$type][$this->getLastEntityId()][] = $artefact;
        }
    }

    /**
     * Return the artefacts for the passed type and entity ID.
     *
     * @param string $type     The artefact type, e. g. configurable
     * @param string $entityId The entity ID to return the artefacts for
     *
     * @return array The array with the artefacts
     * @throws \Exception Is thrown, if no artefacts are available
     */
    public function getArtefactsByTypeAndEntityId($type, $entityId)
    {

        // query whether or not, artefacts for the passed params are available
        if (isset($this->artefacs[$type][$entityId])) {
            // load the artefacts
            $artefacts = $this->artefacs[$type][$entityId];

            // unserialize the original data
            array_walk($artefacts, function (&$artefact) {
                if (isset($artefact[ColumnKeys::ORIGINAL_DATA])) {
                    $artefact[ColumnKeys::ORIGINAL_DATA] = unserialize($artefact[ColumnKeys::ORIGINAL_DATA]);
                }
            });

            // return the artefacts
            return $artefacts;
        }

        // throw an exception if not
        throw new \Exception(
            sprintf(
                'Cant\'t load artefacts for type %s and entity ID %d',
                $type,
                $entityId
            )
        );
    }

    /**
     * Queries whether or not artefacts for the passed type and entity ID are available.
     *
     * @param string $type     The artefact type, e. g. configurable
     * @param string $entityId The entity ID to return the artefacts for
     *
     * @return boolean TRUE if artefacts are available, else FALSE
     */
    public function hasArtefactsByTypeAndEntityId($type, $entityId)
    {
        return isset($this->artefacs[$type][$entityId]);
    }

    /**
     * Create's and return's a new empty artefact entity.
     *
     * @param array $columns             The array with the column data
     * @param array $originalColumnNames The array with a mapping from the old to the new column names
     *
     * @return array The new artefact entity
     */
    public function newArtefact(array $columns, array $originalColumnNames = array())
    {

        // initialize the original data and the artefact
        $artefact = array();
        $originalData = array();

        // query whether or not, we've original columns
        if (sizeof($originalColumnNames) > 0) {
            // prepare the original column data
            $originalData[ColumnKeys::ORIGINAL_FILENAME] = $this->getFilename();

It seems like getFilename() must be provided by classes using this trait. How about adding it as abstract method to this trait?

            $originalData[ColumnKeys::ORIGINAL_LINE_NUMBER] = $this->getLineNumber();

It seems like getLineNumber() must be provided by classes using this trait. How about adding it as abstract method to this trait?

            $originalData[ColumnKeys::ORIGINAL_COLUMN_NAMES] =  $originalColumnNames;

            // add the original column data to the new artefact
            $artefact = array(ColumnKeys::ORIGINAL_DATA => $originalData);
        }

        // merge the columns into the artefact entity and return it
        return array_merge($artefact, $columns);
    }

    /**
     * Export's the artefacts to CSV files.
     *
     * @param integer $timestamp The timestamp part of the original import file
     * @param string  $counter   The counter part of the origin import file
     *
     * @return void
     */
    public function export($timestamp, $counter)
    {
        $this->getExportAdapter()->export($this->getArtefacts(), $this->getTargetDir(), $timestamp, $counter);

It seems like getTargetDir() must be provided by classes using this trait. How about adding it as abstract method to this trait?

    }

    /**
     * Set's the exporter adapter instance.
     *
     * @param \TechDivision\Import\Adapter\ExportAdapterInterface $exportAdapter The exporter adapter instance
     *
     * @return void
     */
    public function setExportAdapter(ExportAdapterInterface $exportAdapter)
    {
        $this->exportAdapter = $exportAdapter;
    }

    /**
     * Return's the exporter adapter instance.
     *
     * @return \TechDivision\Import\Adapter\ExportAdapterInterface The exporter adapter instance
     */
    public function getExportAdapter()
    {
        return $this->exportAdapter;
    }

    /**
     * Set's the ID of the product that has been created recently.
     *
     * @param string $lastEntityId The entity ID
     *
     * @return void
     */
    public function setLastEntityId($lastEntityId)
    {
        $this->lastEntityId = $lastEntityId;
    }

    /**
     * Return's the ID of the product that has been created recently.
     *
     * @return string The entity Id
     */
    public function getLastEntityId()
    {
        return $this->lastEntityId;
    }
}