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<?php |
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namespace AppBundle\Helper; |
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use Symfony\Component\Config\Definition\Exception\Exception; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\VarDumper\VarDumper; |
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class LabsHelper |
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{ |
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/** @var string */ |
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protected $dbName; |
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/** @var \Doctrine\DBAL\Connection */ |
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protected $client; |
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/** @var ContainerInterface */ |
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protected $container; |
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/** @var string */ |
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protected $url; |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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public function checkEnabled($tool) |
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{ |
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if (!$this->container->getParameter("enable.$tool")) { |
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throw new NotFoundHttpException('This tool is disabled'); |
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} |
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} |
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/** |
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* Is xTools connecting to WMF Labs? |
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* |
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* @return boolean |
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*/ |
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public function isLabs() |
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{ |
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return (bool)$this->container->getParameter('app.is_labs'); |
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} |
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/** |
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* Get the record for the given project in the meta.wiki table |
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* @param string $project Valid project in the formats: |
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* https://en.wikipedia.org, en.wikipedia, enwiki |
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* @return array|false Database record or false if no record was found. |
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* Relevant values returned include the 'dbname' (enwiki), |
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* 'lang', 'name' (Wikipedia) and 'url' (https://en.wikipeda.org) |
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*/ |
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private function getProjectMetadata($project) |
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{ |
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// First, run through our project map. This is expected to return back |
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// to the project name if there is no defined mapping. |
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if ($this->container->hasParameter("app.project.$project")) { |
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$project = $this->container->getParameter("app.project.$project"); |
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} |
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// If this is a single-project setup, manually construct the metadata. |
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if ($this->container->getParameter("app.single_wiki")) { |
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return [ |
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'dbname' => $this->container->getParameter('database_replica_name'), |
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'url' => $this->container->getParameter('wiki_url'), |
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'lang' => $this->container->getParameter('lang'), |
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'name' => 'Xtools', // Not used? |
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]; |
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} |
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// Grab the connection to the meta database |
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$this->client = $this->container |
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->get('doctrine') |
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->getManager('meta') |
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->getConnection(); |
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// Create the query we're going to run against the meta database |
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$wikiQuery = $this->client->createQueryBuilder(); |
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$wikiQuery |
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->select([ 'dbname', 'name', 'url', 'lang' ]) |
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->from('wiki') |
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->where($wikiQuery->expr()->eq('dbname', ':project')) |
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// The meta database will have the project's URL stored as https://en.wikipedia.org |
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// so we need to query for it accordingly, trying different variations the user |
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// might have inputted. |
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->orwhere($wikiQuery->expr()->like('url', ':projectUrl')) |
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->orwhere($wikiQuery->expr()->like('url', ':projectUrl2')) |
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->setParameter('project', $project) |
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->setParameter('projectUrl', "https://$project") |
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->setParameter('projectUrl2', "https://$project.org"); |
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$wikiStatement = $wikiQuery->execute(); |
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// Fetch the wiki data |
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$wikis = $wikiStatement->fetchAll(); |
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// Return false if we can't find the wiki |
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if (count($wikis) < 1) { |
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return false; |
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} |
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// Otherwise, return the first result (in the rare event there are more than one). |
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return $wikis[0]; |
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} |
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/** |
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* Returns a project's domain (en.wikipedia) given various formats |
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* @param string $project Valid project in the formats: |
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* https://en.wikipedia.org, en.wikipedia, enwiki |
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* @return string|false lang.project.org ('url' value for that wiki) |
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* or false if project was not found |
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*/ |
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public function normalizeProject($project) |
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{ |
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$project = preg_replace("/^https?:\/\//", '', $project); |
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$metaData = $this->getProjectMetadata($project); |
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if ($metaData) { |
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// Get domain from the first result (in the rare event there are more than one). |
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return preg_replace("/^https?:\/\//", '', $metaData['url']); |
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} else { |
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return false; |
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} |
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} |
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/** |
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* Get a list of all projects. |
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*/ |
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public function allProjects() |
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{ |
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$wikiQuery = $this->client->createQueryBuilder(); |
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$wikiQuery->select([ 'dbName', 'name', 'url' ])->from('wiki'); |
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$stmt = $wikiQuery->execute(); |
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$out = $stmt->fetchAll(); |
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return $out; |
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} |
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/** |
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* All mapping tables to environment-specific names, as specified in config/table_map.yml |
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* Used for example to convert revision -> revision_replica |
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* https://wikitech.wikimedia.org/wiki/Help:Tool_Labs/Database#Tables_for_revision_or_logging_queries_involving_user_names_and_IDs |
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* |
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* @param string $table Table name |
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* @param string $dbName Database name |
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* @param string|null $table_extension Optional table extension, which will only get used if we're on labs. |
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* |
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* @return string Converted table name |
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*/ |
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public function getTable($table, $dbName = null, $table_extension = null) |
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{ |
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// This is a workaround for a one-to-many mapping |
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// as required by Labs. We combine $table with |
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// $table_extension in order to generate the new table name |
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if ($this->isLabs() && $table_extension !== null) { |
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$table = $table . "_" . $table_extension; |
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} |
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// Use the table specified in the table mapping configuration, if present. |
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$mapped = false; |
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View Code Duplication |
if ($this->container->hasParameter("app.table.$table")) { |
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$mapped = true; |
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$table = $this->container->getParameter("app.table.$table"); |
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} |
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// Figure out database name. |
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// Use class variable for the database name if not set via function parameter. |
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$dbNameActual = $dbName ? $dbName : $this->dbName; |
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if ($this->isLabs() && substr($dbNameActual, -2) != '_p') { |
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// Append '_p' if this is labs. |
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$dbNameActual .= '_p'; |
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} |
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return $dbNameActual ? "$dbNameActual.$table" : $table; |
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} |
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// TODO: figure out how to use Doctrine to query host 'tools-db' |
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} |
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x-tools /
xtools
Loading history...
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.