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<?php /** @noinspection SqlConstantCondition */ |
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/****************************************************************************** |
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* Wikipedia Account Creation Assistance tool * |
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* * |
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* All code in this file is released into the public domain by the ACC * |
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* Development Team. Please see team.json for a list of contributors. * |
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******************************************************************************/ |
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namespace Waca\ConsoleTasks; |
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use Waca\PdoDatabase; |
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use Waca\Tasks\ConsoleTaskBase; |
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class OldRequestCleanupTask extends ConsoleTaskBase |
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{ |
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public function execute() |
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{ |
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$database = $this->getDatabase(); |
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$expiryTime = [':expiry' => $this->getSiteConfiguration()->getEmailConfirmationExpiryDays()]; |
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// start by fetching the number of unconfirmed requests which have expired |
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$eligibleRecords = $this->getExpiredCount($database, $expiryTime); |
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// fetch the number of unconfirmed requests which have expired and which have no FK constraints which would |
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// otherwise prevent their deletion |
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$eligibleUnconstrainedRecords = $this->getExpiredUnconstrainedCount($database, $expiryTime); |
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// Delete any requester comments for expired requests |
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$requesterCommentDelete = <<<SQL |
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DELETE FROM comment |
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WHERE 1 = 1 |
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-- only requester comments |
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AND comment.visibility = 'requester' |
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-- where the following record exists |
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AND exists( |
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SELECT 1 FROM request r |
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WHERE 1 = 1 |
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-- a request matching the currently-checked comment |
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AND comment.request = r.id |
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-- and the request is expired |
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AND r.date < DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL :expiry DAY) |
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-- no confirmed email address |
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AND r.emailconfirm <> 'Confirmed' |
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-- not already marked as stale |
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AND r.emailconfirm <> 'Stale' |
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-- email confirmation was requested |
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AND r.emailconfirm <> '' |
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-- no non-requester comments exist (nobody has commented on the request) |
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AND NOT exists (SELECT 1 FROM comment c2 WHERE c2.request = r.id AND c2.visibility <> 'requester') |
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-- no jobqueue entries for this request exist |
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AND NOT exists (SELECT 1 FROM jobqueue j WHERE j.request = r.id) |
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-- no log entries for this request exist |
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AND NOT exists (SELECT 1 FROM log l WHERE l.objectid = r.id and l.objecttype = 'Request') |
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); |
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SQL; |
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$statement = $database->prepare($requesterCommentDelete); |
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$statement->execute($expiryTime); |
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$deletedComments = $statement->rowCount(); |
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// Delete any expired requests with no remaining FK constraints |
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$requestDelete = <<<SQL |
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DELETE FROM request |
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WHERE 1 = 1 |
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-- request date older than X days ago |
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AND request.date < DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL :expiry DAY) |
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-- no confirmed email address |
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AND request.emailconfirm <> 'Confirmed' |
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-- not already marked as stale |
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AND request.emailconfirm <> 'Stale' |
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-- email confirmation was requested |
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AND request.emailconfirm <> '' |
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-- no comments exist (we just deleted requester comments) |
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AND NOT exists(SELECT 1 FROM comment c WHERE c.request = request.id) |
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-- no jobqueue entries for this request exist |
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AND NOT exists(SELECT 1 FROM jobqueue j WHERE j.request = request.id) |
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-- no log entries for this request exist |
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AND NOT exists(SELECT 1 FROM log l WHERE l.objectid = request.id and l.objecttype = 'Request'); |
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SQL; |
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$statement = $database->prepare($requestDelete); |
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$statement->execute($expiryTime); |
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$deletedRequests = $statement->rowCount(); |
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// We've deleted all we can sensibly get away with. Disable the ability to email-confirm requests, and close |
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// them as stale. The purge job will pick up the clearing of any private data. |
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// Note - *very* few requests should get this far; it normally means a tool admin has overridden the |
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// email-confirmation lockout and done something to the non-confirmed request. |
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$splatExpired = <<<SQL |
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UPDATE request |
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SET emailconfirm = 'Stale', status = 'Closed', updateversion = updateversion + 1 |
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WHERE 1 = 1 |
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AND request.date < DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL :expiry DAY) |
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AND request.emailconfirm <> 'Confirmed' |
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AND request.emailconfirm <> 'Stale' |
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AND request.emailconfirm <> '' |
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; |
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SQL; |
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$statement = $database->prepare($splatExpired); |
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$statement->execute($expiryTime); |
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$requestsMarkedStale = $statement->rowCount(); |
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// All done. |
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$database->commit(); |
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printf('Cleanup: %d expired; %d unconstrained, %d comments deleted, %d requests deleted, %d marked stale', |
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$eligibleRecords, $eligibleUnconstrainedRecords, $deletedComments, $deletedRequests, $requestsMarkedStale); |
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} |
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private function getExpiredCount(PdoDatabase $database, array $expiryTime) |
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{ |
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$statement = $database->prepare(<<<SQL |
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SELECT COUNT(*) FROM request r |
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WHERE 1 = 1 |
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-- request date older than X days ago |
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AND r.date < DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL :expiry DAY) |
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-- no confirmed email address |
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AND r.emailconfirm <> 'Confirmed' |
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-- not already marked as stale |
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AND r.emailconfirm <> 'Stale' |
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-- email confirmation was requested |
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AND r.emailconfirm <> ''; |
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SQL |
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); |
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$statement->execute($expiryTime); |
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$eligibleRecords = $statement->fetchColumn(); |
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$statement->closeCursor(); |
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return $eligibleRecords; |
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} |
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private function getExpiredUnconstrainedCount(PdoDatabase $database, array $expiryTime) |
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{ |
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$statement = $database->prepare(<<<SQL |
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SELECT COUNT(*) FROM request r |
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WHERE 1 = 1 |
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-- request date older than X days ago |
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AND r.date < DATE_SUB(CURRENT_TIMESTAMP(), INTERVAL :expiry DAY) |
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-- no confirmed email address |
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AND r.emailconfirm <> 'Confirmed' |
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-- not already marked as stale |
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AND r.emailconfirm <> 'Stale' |
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-- email confirmation was requested |
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AND r.emailconfirm <> '' |
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-- no comments for this request exist |
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AND NOT exists(SELECT 1 FROM comment c WHERE c.request = r.id) |
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-- no jobqueue entries for this request exist |
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AND NOT exists(SELECT 1 FROM jobqueue j WHERE j.request = r.id) |
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-- no log entries for this request exist |
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AND NOT exists(SELECT 1 FROM log l WHERE l.objectid = r.id AND l.objecttype = 'Request'); |
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SQL |
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); |
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$statement->execute($expiryTime); |
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$eligibleRecords = $statement->fetchColumn(); |
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$statement->closeCursor(); |
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return $eligibleRecords; |
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} |
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} |
enwikipedia-acc /
waca
