Simple::getRegistryProcessor() - Code Metrics - Inspection of "Merge pull request #23 from wagnert/master" - techdivision/import-cli-simple - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 75ab86...b134a3 )

by Tim
created 2017-01-17 14:12 UTC
Simple::getRegistryProcessor() A

↳ Parent: Simple
Complexity

Conditions	1
Paths	1
Size

Total Lines	4
Code Lines	2
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	2
Importance

Changes
Metric	Value
dl	0
loc	4
ccs	0
cts	2
cp	0
rs	10
c	0
b	0
f	0
cc	1
eloc	2
nc	1
nop	0
crap	2
<?php

/**
 * TechDivision\Import\Cli\Simple
 *
 * 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 <[email protected]>
 * @copyright 2016 TechDivision GmbH <[email protected]>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import-cli-simple
 * @link      http://www.techdivision.com
 */

namespace TechDivision\Import\Cli;

use Rhumsaa\Uuid\Uuid;
use Psr\Log\LoggerInterface;
use TechDivision\Import\Utils\MemberNames;
use TechDivision\Import\Utils\RegistryKeys;
use TechDivision\Import\ConfigurationInterface;
use TechDivision\Import\Subjects\SubjectInterface;
use TechDivision\Import\Cli\Callbacks\CallbackVisitor;
use TechDivision\Import\Cli\Observers\ObserverVisitor;
use TechDivision\Import\Services\ImportProcessorInterface;
use TechDivision\Import\Services\RegistryProcessorInterface;

/**
 * A SLSB that handles the product import process.
 *
 * @author    Tim Wagner <[email protected]>
 * @copyright 2016 TechDivision GmbH <[email protected]>
 * @license   http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
 * @link      https://github.com/techdivision/import-cli-simple
 * @link      http://www.techdivision.com
 */
class Simple
{

    /**
     * The actions unique serial.
     *
     * @var string
     */
    protected $serial;

    /**
     * The system logger implementation.
     *
     * @var \Psr\Log\LoggerInterface
     */
    protected $systemLogger;

    /**
     * The RegistryProcessor instance to handle running threads.
     *
     * @var \TechDivision\Import\Services\RegistryProcessorInterface
     */
    protected $registryProcessor;

    /**
     * The processor to read/write the necessary import data.
     *
     * @var \TechDivision\Import\Services\ImportProcessorInterface
     */
    protected $importProcessor;

    /**
     * The system configuration.
     *
     * @var \TechDivision\Import\ConfigurationInterface
     */
    protected $configuration;

    /**
     * Set's the unique serial for this import process.
     *
     * @param string $serial The unique serial
     *
     * @return void
     */
    public function setSerial($serial)
    {
        $this->serial = $serial;
    }

    /**
     * Return's the unique serial for this import process.
     *
     * @return string The unique serial
     */
    public function getSerial()
    {
        return $this->serial;
    }

    /**
     * Set's the system logger.
     *
     * @param \Psr\Log\LoggerInterface $systemLogger The system logger
     *
     * @return void
     */
    public function setSystemLogger(LoggerInterface $systemLogger)
    {
        $this->systemLogger = $systemLogger;
    }

    /**
     * Return's the system logger.
     *
     * @return \Psr\Log\LoggerInterface The system logger instance
     */
    public function getSystemLogger()
    {
        return $this->systemLogger;
    }

    /**
     * Sets's the RegistryProcessor instance to handle the running threads.
     *
     * @param \TechDivision\Import\Services\RegistryProcessorInterface $registryProcessor The registry processor instance
     *
     * @return void
     */
    public function setRegistryProcessor(RegistryProcessorInterface $registryProcessor)
    {
        $this->registryProcessor = $registryProcessor;
    }

    /**
     * Return's the RegistryProcessor instance to handle the running threads.
     *
     * @return \TechDivision\Import\Services\RegistryProcessor The registry processor instance
     */
    public function getRegistryProcessor()
    {
        return $this->registryProcessor;
    }

    /**
     * Set's the import processor instance.
     *
     * @param \TechDivision\Import\Services\ImportProcessorInterface $importProcessor The import processor instance
     *
     * @return void
     */
    public function setImportProcessor(ImportProcessorInterface $importProcessor)
    {
        $this->importProcessor = $importProcessor;
    }

    /**
     * Return's the import processor instance.
     *
     * @return \TechDivision\Import\Services\ImportProcessorInterface The import processor instance
     */
    public function getImportProcessor()
    {
        return $this->importProcessor;
    }

    /**
     * Set's the system configuration.
     *
     * @param \TechDivision\Import\ConfigurationInterface $configuration The system configuration
     *
     * @return void
     */
    public function setConfiguration(ConfigurationInterface $configuration)
    {
        $this->configuration = $configuration;
    }

    /**
     * Return's the system configuration.
     *
     * @return \TechDivision\Import\ConfigurationInterface The system configuration
     */
    public function getConfiguration()
    {
        return $this->configuration;
    }

    /**
     * Return's the prefix for the import files.
     *
     * @return string The prefix
     */
    protected function getPrefix()
    {
        return $this->getConfiguration()->getPrefix();

    }

    /**
     * Return's the source directory that has to be watched for new files.
     *
     * @return string The source directory
     */
    protected function getSourceDir()
    {
        return $this->getConfiguration()->getSourceDir();
    }

    /**
     * Parse the temporary upload directory for new files to be imported.
     *
     * @return void
     * @throws \Exception Is thrown, if the import process can't be finished successfully
     */
    public function import()
    {

        // track the start time
        $startTime = microtime(true);

        try {
            // generate the serial for the new job
            $this->setSerial(Uuid::uuid4()->__toString());

            // prepare the global data for the import process
            $this->start();
            $this->setUp();
            $this->processSubjects();
            $this->archive();
            $this->tearDown();
            $this->finish();

            // track the time needed for the import in seconds
            $endTime = microtime(true) - $startTime;

            // log a message that import has been finished
            $this->getSystemLogger()->info(sprintf('Successfully finished import with serial %s in %f s', $this->getSerial(), $endTime));


        } catch (\Exception $e) {
            // tear down
            $this->tearDown();
            $this->finish();

            // track the time needed for the import in seconds
            $endTime = microtime(true) - $startTime;

            // log a message that the file import failed
            $this->getSystemLogger()->error($e->__toString());

            // log a message that import has been finished
            $this->getSystemLogger()->error(sprintf('Can\'t finish import with serial %s in %f s', $this->getSerial(), $endTime));

            // re-throw the exception
            throw $e;
        }
    }

    /**
     * This method start's the import process by initializing
     * the status and appends it to the registry.
     *
     * @return void
     */
    protected function start()
    {

        // log a message that import has been started
        $this->getSystemLogger()->info(sprintf('Now start import with serial %s', $this->getSerial()));

        // initialize the status
        $status = array(
            RegistryKeys::STATUS => 1,
            RegistryKeys::SOURCE_DIRECTORY => $this->getConfiguration()->getSourceDir()
        );

        // initialize the status information for the subjects */
        /** @var \TechDivision\Import\Configuration\SubjectInterface $subject */
        foreach ($this->getConfiguration()->getSubjects() as $subject) {
            $status[$subject->getPrefix()] = array();
        }

        // append it to the registry
        $this->getRegistryProcessor()->setAttribute($this->getSerial(), $status);
    }

    /**
     * Prepares the global data for the import process.
     *
     * @return void
     */
    protected function setUp()
    {

        // load the registry
        $importProcessor = $this->getImportProcessor();
        $registryProcessor = $this->getRegistryProcessor();

        // initialize the array for the global data
        $globalData = array();

        // initialize the global data
        $globalData[RegistryKeys::STORES] = $importProcessor->getStores();
        $globalData[RegistryKeys::LINK_TYPES] = $importProcessor->getLinkTypes();
        $globalData[RegistryKeys::TAX_CLASSES] = $importProcessor->getTaxClasses();
        $globalData[RegistryKeys::DEFAULT_STORE] = $importProcessor->getDefaultStore();
        $globalData[RegistryKeys::STORE_WEBSITES] = $importProcessor->getStoreWebsites();
        $globalData[RegistryKeys::LINK_ATTRIBUTES] = $importProcessor->getLinkAttributes();
        $globalData[RegistryKeys::ROOT_CATEGORIES] = $importProcessor->getRootCategories();
        $globalData[RegistryKeys::CORE_CONFIG_DATA] = $importProcessor->getCoreConfigData();
        $globalData[RegistryKeys::ATTRIBUTE_SETS] = $eavAttributeSets = $importProcessor->getEavAttributeSetsByEntityTypeId(4);

        // prepare the categories
        $categories = array();
        foreach ($importProcessor->getCategories() as $category) {
            // expload the entity IDs from the category path
            $entityIds = explode('/', $category[MemberNames::PATH]);

            // cut-off the root category
            array_shift($entityIds);

            // continue with the next category if no entity IDs are available
            if (sizeof($entityIds) === 0) {
                continue;
            }

            // initialize the array for the path elements
            $path = array();
            foreach ($importProcessor->getCategoryVarcharsByEntityIds($entityIds) as $cat) {
                $path[] = $cat[MemberNames::VALUE];
            }

            // append the catogory with the string path as key
            $categories[implode('/', $path)] = $category;
        }

        // initialize the array with the categories
        $globalData[RegistryKeys::CATEGORIES] = $categories;

        // prepare an array with the EAV attributes grouped by their attribute set name as keys
        $eavAttributes = array();
        foreach (array_keys($eavAttributeSets) as $eavAttributeSetName) {
            $eavAttributes[$eavAttributeSetName] = $importProcessor->getEavAttributesByEntityTypeIdAndAttributeSetName(4, $eavAttributeSetName);
        }

        // initialize the array with the EAV attributes
        $globalData[RegistryKeys::EAV_ATTRIBUTES] = $eavAttributes;

        // add the status with the global data
        $registryProcessor->mergeAttributesRecursive(
            $this->getSerial(),
            array(RegistryKeys::GLOBAL_DATA => $globalData)
        );
    }

    /**
     * Process all the subjects defined in the system configuration.
     *
     * @return void
     * @throws \Exception Is thrown, if one of the subjects can't be processed
     */
    protected function processSubjects()
    {

        try {
            // load system logger and registry
            $systemLogger = $this->getSystemLogger();
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
            $importProcessor = $this->getImportProcessor();

            // load the subjects
            $subjects = $this->getConfiguration()->getSubjects();

            // start the transaction
            $importProcessor->getConnection()->beginTransaction();

            // process all the subjects found in the system configuration
            foreach ($subjects as $subject) {
                $this->processSubject($subject);
            }

            // commit the transaction
            $importProcessor->getConnection()->commit();


        } catch (\Exception $e) {
            // rollback the transaction
            $importProcessor->getConnection()->rollBack();
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}

            // re-throw the exception
            throw $e;
        }
    }

    /**
     * Process the subject with the passed name/identifier.
     *
     * We create a new, fresh and separate subject for EVERY file here, because this would be
     * the starting point to parallelize the import process in a multithreaded/multiprocessed
     * environment.
     *
     * @param \TechDivision\Import\Configuration\Subject $subject The subject configuration
     *
     * @return void
     * @throws \Exception Is thrown, if the subject can't be processed
     */
    protected function processSubject($subject)
    {

        // clear the filecache
        clearstatcache();

        // load the system logger
        $systemLogger = $this->getSystemLogger();

        // load the actual status
        $status = $this->getRegistryProcessor()->getAttribute($this->getSerial());

        // query whether or not the configured source directory is available
        if (!is_dir($sourceDir = $status[RegistryKeys::SOURCE_DIRECTORY])) {

            throw new \Exception(sprintf('Configured source directory %s is not available!', $sourceDir));
        }

        // initialize the file iterator on source directory
        $fileIterator = new \FilesystemIterator($sourceDir);

        // log a debug message
        $systemLogger->debug(
            sprintf('Now checking directory %s for files to be imported', $sourceDir)
        );

        // iterate through all CSV files and process the subjects
        foreach ($fileIterator as $filename) {
            $this->subjectFactory($subject)->import($this->getSerial(), $filename->getPathname());
        }

        // and and log a message that the subject has been processed
        $systemLogger->info(sprintf('Successfully processed subject %s!', $subject->getClassName()));
    }

    /**
     * Factory method to create new handler instances.
     *
     * @param \TechDivision\Import\Configuration\Subject $subject The subject configuration
     *
     * @return object The handler instance
     */
    public function subjectFactory($subject)
    {

        // load the subject class name
        $className = $subject->getClassName();

        // the database connection to use
        $connection = $this->getImportProcessor()->getConnection();

        // initialize a new handler with the passed class name
        $instance = new $className();

        // $instance the handler instance
        $instance->setConfiguration($subject);
        $instance->setSystemLogger($this->getSystemLogger());
        $instance->setRegistryProcessor($this->getRegistryProcessor());

        // instanciate and set the product processor, if specified
        if ($processorFactory = $subject->getProcessorFactory()) {
            $productProcessor = $processorFactory::factory($connection, $subject);
            $instance->setProductProcessor($productProcessor);
        }

        // initialize the callbacks/visitors
        CallbackVisitor::get()->visit($instance);
        ObserverVisitor::get()->visit($instance);

        // return the subject instance
        return $instance;
    }

    /**
     * Lifecycle callback that will be inovked after the
     * import process has been finished.
     *
     * @return void
     * @throws \Exception Is thrown, if the
     */
    protected function archive()
    {

        // query whether or not, the import artefacts have to be archived
        if (!$this->getConfiguration()->haveArchiveArtefacts()) {
            return;
        }

        // load the system logger
        $systemLogger = $this->getSystemLogger();

        // clear the filecache
        clearstatcache();

        // load the actual status
        $status = $this->getRegistryProcessor()->getAttribute($this->getSerial());

        // query whether or not the configured source directory is available
        if (!is_dir($sourceDir = $status[RegistryKeys::SOURCE_DIRECTORY])) {

            throw new \Exception(sprintf('Configured source directory %s is not available!', $sourceDir));
        }

        // init file iterator on source directory
        $fileIterator = new \FilesystemIterator($sourceDir);

        // log the number of files that has to be archived
        $fileCounter = iterator_count($fileIterator);

        // if no files are available, return
        if ($fileCounter == 0) {
            // log the number of files that has to be archived
            $systemLogger->info(sprintf('Found no files to archive'));
            return;
        }

        // log the number of files that has to be archived
        $systemLogger->info(sprintf('Found %d files to archive in directory %s', $fileCounter, $sourceDir));

        // initialize the directory to create the archive in
        $archiveDir = sprintf('%s/%s', $this->getConfiguration()->getTargetDir(), $this->getConfiguration()->getArchiveDir());

        // query whether or not the directory already exists
        if (!is_dir($archiveDir)) {
            mkdir($archiveDir);
        }

        // create the ZIP archive
        $archive = new \ZipArchive();
        $archive->open($archiveFile = sprintf('%s/%s.zip', $archiveDir, $this->getSerial()), \ZipArchive::CREATE);

        // iterate through all files and add them to the ZIP archive
        foreach ($fileIterator as $filename) {
            $archive->addFile($filename);
        }

        // save the ZIP archive
        $archive->close();

        // finally remove the directory with the imported files
        $this->removeDir($sourceDir);

        // and and log a message that the import artefacts have been archived
        $systemLogger->info(sprintf('Successfully archived imported files to %s!', $archiveFile));
    }

    /**
     * Removes the passed directory recursively.
     *
     * @param string $src Name of the directory to remove
     *
     * @return void
     */
    protected function removeDir($src)
    {

        // open the directory
        $dir = opendir($src);

        // remove files/folders recursively
        while (false !== ($file = readdir($dir))) {
            if (($file != '.') && ($file != '..')) {
                $full = $src . '/' . $file;
                if (is_dir($full)) {
                    Simple::removeDir($full);
                } else {
                    unlink($full);
                }
            }
        }

        // close handle and remove directory itself
        closedir($dir);
        rmdir($src);
    }

    /**
     * Lifecycle callback that will be inovked after the
     * import process has been finished.
     *
     * @return void
     * @throws \Exception Is thrown, if the
     */
    protected function tearDown()
    {
    }

    /**
     * This method finishes the import process and cleans the registry.
     *
     * @return void
     */
    protected function finish()
    {
        $this->getRegistryProcessor()->removeAttribute($this->getSerial());
    }
}

techdivision / import-cli-simple

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