mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-11-30 11:07:24 +00:00
630 lines
21 KiB
PHP
630 lines
21 KiB
PHP
<?php
|
|
|
|
namespace MediaWiki\Extension\DiscussionTools;
|
|
|
|
use Config;
|
|
use ConfigFactory;
|
|
use Exception;
|
|
use LogicException;
|
|
use MediaWiki\Extension\DiscussionTools\ThreadItem\CommentItem;
|
|
use MediaWiki\Extension\DiscussionTools\ThreadItem\DatabaseCommentItem;
|
|
use MediaWiki\Extension\DiscussionTools\ThreadItem\DatabaseHeadingItem;
|
|
use MediaWiki\Extension\DiscussionTools\ThreadItem\DatabaseThreadItem;
|
|
use MediaWiki\Extension\DiscussionTools\ThreadItem\HeadingItem;
|
|
use MediaWiki\Page\PageStore;
|
|
use MediaWiki\Revision\RevisionRecord;
|
|
use MediaWiki\Revision\RevisionStore;
|
|
use MediaWiki\User\ActorStore;
|
|
use MWTimestamp;
|
|
use ReadOnlyMode;
|
|
use stdClass;
|
|
use TitleFormatter;
|
|
use Wikimedia\Rdbms\DBError;
|
|
use Wikimedia\Rdbms\IDatabase;
|
|
use Wikimedia\Rdbms\ILBFactory;
|
|
use Wikimedia\Rdbms\ILoadBalancer;
|
|
use Wikimedia\Rdbms\IReadableDatabase;
|
|
use Wikimedia\Rdbms\IResultWrapper;
|
|
use Wikimedia\Rdbms\SelectQueryBuilder;
|
|
use Wikimedia\Timestamp\TimestampException;
|
|
|
|
/**
|
|
* Stores and fetches ThreadItemSets from the database.
|
|
*/
|
|
class ThreadItemStore {
|
|
|
|
private Config $config;
|
|
private ILBFactory $dbProvider;
|
|
private ReadOnlyMode $readOnlyMode;
|
|
private PageStore $pageStore;
|
|
private RevisionStore $revStore;
|
|
private TitleFormatter $titleFormatter;
|
|
private ActorStore $actorStore;
|
|
|
|
public function __construct(
|
|
ConfigFactory $configFactory,
|
|
ILBFactory $dbProvider,
|
|
ReadOnlyMode $readOnlyMode,
|
|
PageStore $pageStore,
|
|
RevisionStore $revStore,
|
|
TitleFormatter $titleFormatter,
|
|
ActorStore $actorStore
|
|
) {
|
|
$this->config = $configFactory->makeConfig( 'discussiontools' );
|
|
$this->dbProvider = $dbProvider;
|
|
$this->readOnlyMode = $readOnlyMode;
|
|
$this->pageStore = $pageStore;
|
|
$this->revStore = $revStore;
|
|
$this->titleFormatter = $titleFormatter;
|
|
$this->actorStore = $actorStore;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the tables necessary for this feature haven't been created yet,
|
|
* to allow failing softly in that case.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function isDisabled(): bool {
|
|
return !$this->config->get( 'DiscussionToolsEnablePermalinksBackend' );
|
|
}
|
|
|
|
/**
|
|
* Find the thread items with the given name in the newest revision of every page in which they
|
|
* have appeared.
|
|
*
|
|
* @param string|string[] $itemName
|
|
* @param int|null $limit
|
|
* @return DatabaseThreadItem[]
|
|
*/
|
|
public function findNewestRevisionsByName( $itemName, ?int $limit = 50 ): array {
|
|
if ( $this->isDisabled() ) {
|
|
return [];
|
|
}
|
|
|
|
$queryBuilder = $this->getIdsNamesBuilder()
|
|
->where( [
|
|
'it_itemname' => $itemName,
|
|
// Disallow querying for headings of sections that contain no comments.
|
|
// They all share the same name, so this would return a huge useless list on most wikis.
|
|
// (But we still store them, as we might need this data elsewhere.)
|
|
"it_itemname != 'h-'",
|
|
] );
|
|
|
|
if ( $limit !== null ) {
|
|
$queryBuilder->limit( $limit );
|
|
}
|
|
|
|
$result = $this->fetchItemsResultSet( $queryBuilder );
|
|
$revs = $this->fetchRevisionAndPageForItems( $result );
|
|
|
|
$threadItems = [];
|
|
foreach ( $result as $row ) {
|
|
$threadItem = $this->getThreadItemFromRow( $row, null, $revs );
|
|
if ( $threadItem ) {
|
|
$threadItems[] = $threadItem;
|
|
}
|
|
}
|
|
return $threadItems;
|
|
}
|
|
|
|
/**
|
|
* Find the thread items with the given ID in the newest revision of every page in which they have
|
|
* appeared.
|
|
*
|
|
* @param string|string[] $itemId
|
|
* @param int|null $limit
|
|
* @return DatabaseThreadItem[]
|
|
*/
|
|
public function findNewestRevisionsById( $itemId, ?int $limit = 50 ): array {
|
|
if ( $this->isDisabled() ) {
|
|
return [];
|
|
}
|
|
|
|
$queryBuilder = $this->getIdsNamesBuilder();
|
|
|
|
// First find the name associated with the ID; then find by name. Otherwise we wouldn't find the
|
|
// latest revision in case comment ID changed, e.g. the comment was moved elsewhere on the page.
|
|
$itemNameQueryBuilder = $this->getIdsNamesBuilder()
|
|
->where( [ 'itid_itemid' => $itemId ] )
|
|
->field( 'it_itemname' );
|
|
// I think there may be more than 1 only in case of headings?
|
|
// For comments, any ID corresponds to just 1 name.
|
|
// Not sure how bad it is to not have limit( 1 ) here?
|
|
// It might scan a bunch of rows...
|
|
// ->limit( 1 );
|
|
|
|
$queryBuilder
|
|
->where( [
|
|
'it_itemname IN (' . $itemNameQueryBuilder->getSQL() . ')',
|
|
"it_itemname != 'h-'",
|
|
] );
|
|
|
|
if ( $limit !== null ) {
|
|
$queryBuilder->limit( $limit );
|
|
}
|
|
|
|
$result = $this->fetchItemsResultSet( $queryBuilder );
|
|
$revs = $this->fetchRevisionAndPageForItems( $result );
|
|
|
|
$threadItems = [];
|
|
foreach ( $result as $row ) {
|
|
$threadItem = $this->getThreadItemFromRow( $row, null, $revs );
|
|
if ( $threadItem ) {
|
|
$threadItems[] = $threadItem;
|
|
}
|
|
}
|
|
return $threadItems;
|
|
}
|
|
|
|
/**
|
|
* @param SelectQueryBuilder $queryBuilder
|
|
* @return IResultWrapper
|
|
*/
|
|
private function fetchItemsResultSet( SelectQueryBuilder $queryBuilder ): IResultWrapper {
|
|
$queryBuilder
|
|
->fields( [
|
|
'itr_id',
|
|
'it_itemname',
|
|
'it_timestamp',
|
|
'it_actor',
|
|
'itid_itemid',
|
|
'itr_parent_id',
|
|
'itr_transcludedfrom',
|
|
'itr_level',
|
|
'itr_headinglevel',
|
|
'itr_revision_id',
|
|
] )
|
|
// PageStore fields for the transcluded-from page
|
|
->leftJoin( 'page', null, [ 'page_id = itr_transcludedfrom' ] )
|
|
->fields( $this->pageStore->getSelectFields() )
|
|
// ActorStore fields for the author
|
|
->leftJoin( 'actor', null, [ 'actor_id = it_actor' ] )
|
|
->fields( [ 'actor_id', 'actor_name', 'actor_user' ] )
|
|
// Parent item ID (the string, not just the primary key)
|
|
->leftJoin(
|
|
$this->getIdsNamesBuilder()
|
|
->fields( [
|
|
'itr_parent__itr_id' => 'itr_id',
|
|
'itr_parent__itid_itemid' => 'itid_itemid',
|
|
] ),
|
|
null,
|
|
[ 'itr_parent_id = itr_parent__itr_id' ]
|
|
)
|
|
->field( 'itr_parent__itid_itemid' );
|
|
|
|
return $queryBuilder->fetchResultSet();
|
|
}
|
|
|
|
/**
|
|
* @param IResultWrapper $result
|
|
* @return stdClass[]
|
|
*/
|
|
private function fetchRevisionAndPageForItems( IResultWrapper $result ): array {
|
|
// This could theoretically be done in the same query as fetchItemsResultSet(),
|
|
// but the resulting query would be two screens long
|
|
// and we'd have to alias a lot of fields to avoid conflicts.
|
|
$revs = [];
|
|
foreach ( $result as $row ) {
|
|
$revs[ $row->itr_revision_id ] = null;
|
|
}
|
|
$revQueryBuilder = $this->dbProvider->getReplicaDatabase()->newSelectQueryBuilder()
|
|
->queryInfo( $this->revStore->getQueryInfo( [ 'page' ] ) )
|
|
->fields( $this->pageStore->getSelectFields() )
|
|
->where( $revs ? [ 'rev_id' => array_keys( $revs ) ] : '0=1' );
|
|
$revResult = $revQueryBuilder->fetchResultSet();
|
|
foreach ( $revResult as $row ) {
|
|
$revs[ $row->rev_id ] = $row;
|
|
}
|
|
return $revs;
|
|
}
|
|
|
|
/**
|
|
* @param stdClass $row
|
|
* @param DatabaseThreadItemSet|null $set
|
|
* @param array $revs
|
|
* @return DatabaseThreadItem|null
|
|
*/
|
|
private function getThreadItemFromRow(
|
|
stdClass $row, ?DatabaseThreadItemSet $set, array $revs
|
|
): ?DatabaseThreadItem {
|
|
if ( $revs[ $row->itr_revision_id ] === null ) {
|
|
// We didn't find the 'revision' table row at all, this revision is deleted.
|
|
// (The page may or may not have other non-deleted revisions.)
|
|
// Pretend the thread item doesn't exist to avoid leaking data to users who shouldn't see it.
|
|
// TODO Allow privileged users to see it (we'd need to query from 'archive')
|
|
return null;
|
|
}
|
|
|
|
$revRow = $revs[$row->itr_revision_id];
|
|
$page = $this->pageStore->newPageRecordFromRow( $revRow );
|
|
$rev = $this->revStore->newRevisionFromRow( $revRow );
|
|
if ( $rev->isDeleted( RevisionRecord::DELETED_TEXT ) ) {
|
|
// This revision is revision-deleted.
|
|
// TODO Allow privileged users to see it
|
|
return null;
|
|
}
|
|
|
|
if ( $set && $row->itr_parent__itid_itemid ) {
|
|
$parent = $set->findCommentById( $row->itr_parent__itid_itemid );
|
|
} else {
|
|
$parent = null;
|
|
}
|
|
|
|
$transcludedFrom = $row->itr_transcludedfrom === null ? false : (
|
|
$row->itr_transcludedfrom === '0' ? true :
|
|
$this->titleFormatter->getPrefixedText(
|
|
$this->pageStore->newPageRecordFromRow( $row )
|
|
)
|
|
);
|
|
|
|
if ( $row->it_timestamp !== null && $row->it_actor !== null ) {
|
|
$author = $this->actorStore->newActorFromRow( $row )->getName();
|
|
|
|
$item = new DatabaseCommentItem(
|
|
$page,
|
|
$rev,
|
|
$row->it_itemname,
|
|
$row->itid_itemid,
|
|
$parent,
|
|
$transcludedFrom,
|
|
(int)$row->itr_level,
|
|
$row->it_timestamp,
|
|
$author
|
|
);
|
|
} else {
|
|
$item = new DatabaseHeadingItem(
|
|
$page,
|
|
$rev,
|
|
$row->it_itemname,
|
|
$row->itid_itemid,
|
|
$parent,
|
|
$transcludedFrom,
|
|
(int)$row->itr_level,
|
|
$row->itr_headinglevel === null ? null : (int)$row->itr_headinglevel
|
|
);
|
|
}
|
|
|
|
if ( $parent ) {
|
|
$parent->addReply( $item );
|
|
}
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* Find the thread item set for the given revision, assuming that it is the current revision of
|
|
* its page.
|
|
*
|
|
* @param int $revId
|
|
* @return DatabaseThreadItemSet
|
|
*/
|
|
public function findThreadItemsInCurrentRevision( int $revId ): DatabaseThreadItemSet {
|
|
if ( $this->isDisabled() ) {
|
|
return new DatabaseThreadItemSet();
|
|
}
|
|
|
|
$queryBuilder = $this->getIdsNamesBuilder();
|
|
$queryBuilder
|
|
->where( [ 'itr_revision_id' => $revId ] )
|
|
// We must process parents before their children in the loop later
|
|
->orderBy( 'itr_id', SelectQueryBuilder::SORT_ASC );
|
|
|
|
$result = $this->fetchItemsResultSet( $queryBuilder );
|
|
$revs = $this->fetchRevisionAndPageForItems( $result );
|
|
|
|
$set = new DatabaseThreadItemSet();
|
|
foreach ( $result as $row ) {
|
|
$threadItem = $this->getThreadItemFromRow( $row, $set, $revs );
|
|
if ( $threadItem ) {
|
|
$set->addThreadItem( $threadItem );
|
|
$set->updateIdAndNameMaps( $threadItem );
|
|
}
|
|
}
|
|
return $set;
|
|
}
|
|
|
|
/**
|
|
* @return SelectQueryBuilder
|
|
*/
|
|
private function getIdsNamesBuilder(): SelectQueryBuilder {
|
|
$dbr = $this->dbProvider->getReplicaDatabase();
|
|
|
|
$queryBuilder = $dbr->newSelectQueryBuilder()
|
|
->from( 'discussiontools_items' )
|
|
->join( 'discussiontools_item_pages', null, [ 'itp_items_id = it_id' ] )
|
|
->join( 'discussiontools_item_revisions', null, [
|
|
'itr_items_id = it_id',
|
|
// Only the latest revision of the items with each name
|
|
'itr_revision_id = itp_newest_revision_id',
|
|
] )
|
|
->join( 'discussiontools_item_ids', null, [ 'itid_id = itr_itemid_id' ] );
|
|
|
|
return $queryBuilder;
|
|
}
|
|
|
|
/**
|
|
* @param callable $find Function that does a SELECT and returns primary key field
|
|
* @param callable $insert Function that does an INSERT IGNORE and returns last insert ID
|
|
* @param bool &$didInsert Set to true if the insert succeeds
|
|
* @return int Return value of whichever function succeeded
|
|
*/
|
|
private function findOrInsertIdButTryHarder( callable $find, callable $insert, bool &$didInsert ) {
|
|
$dbw = $this->dbProvider->getPrimaryDatabase();
|
|
|
|
$id = $find( $dbw );
|
|
if ( !$id ) {
|
|
$id = $insert( $dbw );
|
|
if ( $id ) {
|
|
$didInsert = true;
|
|
} else {
|
|
// Maybe it's there, but we can't see it due to REPEATABLE_READ?
|
|
// Try again in another connection. (T339882, T322701)
|
|
$dbwAnother = $this->dbProvider->getMainLB()
|
|
->getConnection( DB_PRIMARY, [], false, ILoadBalancer::CONN_TRX_AUTOCOMMIT );
|
|
$id = $find( $dbwAnother );
|
|
if ( !$id ) {
|
|
throw new LogicException( "Database can't find our row and won't let us insert it" );
|
|
}
|
|
}
|
|
}
|
|
return $id;
|
|
}
|
|
|
|
/**
|
|
* Store the thread item set.
|
|
*
|
|
* @param RevisionRecord $rev
|
|
* @param ThreadItemSet $threadItemSet
|
|
* @throws TimestampException
|
|
* @throws DBError
|
|
* @throws Exception
|
|
* @return bool
|
|
*/
|
|
public function insertThreadItems( RevisionRecord $rev, ThreadItemSet $threadItemSet ): bool {
|
|
if ( $this->readOnlyMode->isReadOnly() ) {
|
|
return false;
|
|
}
|
|
|
|
$dbw = $this->dbProvider->getPrimaryDatabase();
|
|
$didInsert = false;
|
|
$method = __METHOD__;
|
|
|
|
// Map of item IDs (strings) to their discussiontools_item_ids.itid_id field values (ints)
|
|
$itemIdsIds = [];
|
|
'@phan-var array<string,int> $itemIdsIds';
|
|
// Map of item IDs (strings) to their discussiontools_items.it_id field values (ints)
|
|
$itemsIds = [];
|
|
'@phan-var array<string,int> $itemsIds';
|
|
|
|
// Insert or find discussiontools_item_ids rows, fill in itid_id field values.
|
|
// (This is not in a transaction. Orphaned rows in this table are harmlessly ignored,
|
|
// and long transactions caused performance issues on Wikimedia wikis: T315353#8218914.)
|
|
foreach ( $threadItemSet->getThreadItems() as $item ) {
|
|
$itemIdsId = $this->findOrInsertIdButTryHarder(
|
|
static function ( IReadableDatabase $dbw ) use ( $item, $method ) {
|
|
return $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_item_ids' )
|
|
->field( 'itid_id' )
|
|
->where( [ 'itid_itemid' => $item->getId() ] )
|
|
->caller( $method )
|
|
->fetchField();
|
|
},
|
|
static function ( IDatabase $dbw ) use ( $item, $method ) {
|
|
$dbw->newInsertQueryBuilder()
|
|
->table( 'discussiontools_item_ids' )
|
|
->row( [ 'itid_itemid' => $item->getId() ] )
|
|
->ignore()
|
|
->caller( $method )
|
|
->execute();
|
|
return $dbw->affectedRows() ? $dbw->insertId() : null;
|
|
},
|
|
$didInsert
|
|
);
|
|
$itemIdsIds[ $item->getId() ] = $itemIdsId;
|
|
}
|
|
|
|
// Insert or find discussiontools_items rows, fill in it_id field values.
|
|
// (This is not in a transaction. Orphaned rows in this table are harmlessly ignored,
|
|
// and long transactions caused performance issues on Wikimedia wikis: T315353#8218914.)
|
|
foreach ( $threadItemSet->getThreadItems() as $item ) {
|
|
$itemsId = $this->findOrInsertIdButTryHarder(
|
|
static function ( IReadableDatabase $dbw ) use ( $item, $method ) {
|
|
return $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_items' )
|
|
->field( 'it_id' )
|
|
->where( [ 'it_itemname' => $item->getName() ] )
|
|
->caller( $method )
|
|
->fetchField();
|
|
},
|
|
function ( IDatabase $dbw ) use ( $item, $method ) {
|
|
$dbw->newInsertQueryBuilder()
|
|
->table( 'discussiontools_items' )
|
|
->row(
|
|
[
|
|
'it_itemname' => $item->getName(),
|
|
] +
|
|
( $item instanceof CommentItem ? [
|
|
'it_timestamp' =>
|
|
$dbw->timestamp( $item->getTimestampString() ),
|
|
'it_actor' =>
|
|
$this->actorStore->findActorIdByName( $item->getAuthor(), $dbw ),
|
|
] : [] )
|
|
)
|
|
->ignore()
|
|
->caller( $method )
|
|
->execute();
|
|
return $dbw->affectedRows() ? $dbw->insertId() : null;
|
|
},
|
|
$didInsert
|
|
);
|
|
$itemsIds[ $item->getId() ] = $itemsId;
|
|
}
|
|
|
|
// Insert or update discussiontools_item_pages and discussiontools_item_revisions rows.
|
|
// This IS in a transaction. We don't really want rows for different items on the same
|
|
// page to point to different revisions.
|
|
$dbw->doAtomicSection( $method, /** @throws TimestampException */ function ( IDatabase $dbw ) use (
|
|
$method, $rev, $threadItemSet, $itemsIds, $itemIdsIds, &$didInsert
|
|
) {
|
|
// Map of item IDs (strings) to their discussiontools_item_revisions.itr_id field values (ints)
|
|
$itemRevisionsIds = [];
|
|
'@phan-var array<string,int> $itemRevisionsIds';
|
|
|
|
$revUpdateRows = [];
|
|
// Insert or update discussiontools_item_pages rows.
|
|
foreach ( $threadItemSet->getThreadItems() as $item ) {
|
|
// Update (or insert) the references to oldest/newest item revision.
|
|
// The page revision we're processing is usually the newest one, but it doesn't have to be
|
|
// (in case of backfilling using the maintenance script, or in case of revisions being
|
|
// imported), so we need all these funky queries to see if we need to update oldest/newest.
|
|
|
|
$itemPagesRow = $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_item_pages' )
|
|
->join( 'revision', 'revision_oldest', [ 'itp_oldest_revision_id = revision_oldest.rev_id' ] )
|
|
->join( 'revision', 'revision_newest', [ 'itp_newest_revision_id = revision_newest.rev_id' ] )
|
|
->field( 'itp_id' )
|
|
->field( 'itp_oldest_revision_id' )
|
|
->field( 'itp_newest_revision_id' )
|
|
->field( 'revision_oldest.rev_timestamp', 'oldest_rev_timestamp' )
|
|
->field( 'revision_newest.rev_timestamp', 'newest_rev_timestamp' )
|
|
->where( [
|
|
'itp_items_id' => $itemsIds[ $item->getId() ],
|
|
'itp_page_id' => $rev->getPageId(),
|
|
] )
|
|
->fetchRow();
|
|
if ( $itemPagesRow === false ) {
|
|
$dbw->newInsertQueryBuilder()
|
|
->table( 'discussiontools_item_pages' )
|
|
->row( [
|
|
'itp_items_id' => $itemsIds[ $item->getId() ],
|
|
'itp_page_id' => $rev->getPageId(),
|
|
'itp_oldest_revision_id' => $rev->getId(),
|
|
'itp_newest_revision_id' => $rev->getId(),
|
|
] )
|
|
->ignore()
|
|
->caller( $method )
|
|
->execute();
|
|
} else {
|
|
$oldestTime = ( new MWTimestamp( $itemPagesRow->oldest_rev_timestamp ) )->getTimestamp( TS_MW );
|
|
$newestTime = ( new MWTimestamp( $itemPagesRow->newest_rev_timestamp ) )->getTimestamp( TS_MW );
|
|
$currentTime = $rev->getTimestamp();
|
|
|
|
$oldestId = (int)$itemPagesRow->itp_oldest_revision_id;
|
|
$newestId = (int)$itemPagesRow->itp_newest_revision_id;
|
|
$currentId = $rev->getId();
|
|
|
|
$updatePageField = null;
|
|
if ( [ $oldestTime, $oldestId ] > [ $currentTime, $currentId ] ) {
|
|
$updatePageField = 'itp_oldest_revision_id';
|
|
} elseif ( [ $newestTime, $newestId ] < [ $currentTime, $currentId ] ) {
|
|
$updatePageField = 'itp_newest_revision_id';
|
|
}
|
|
if ( $updatePageField ) {
|
|
$dbw->newUpdateQueryBuilder()
|
|
->table( 'discussiontools_item_pages' )
|
|
->set( [ $updatePageField => $rev->getId() ] )
|
|
->where( [ 'itp_id' => $itemPagesRow->itp_id ] )
|
|
->caller( $method )
|
|
->execute();
|
|
if ( $oldestId !== $newestId ) {
|
|
// This causes most rows in discussiontools_item_revisions referring to the previously
|
|
// oldest/newest revision to be unused, so try re-using them.
|
|
$revUpdateRows[ $itemsIds[ $item->getId() ] ] = $itemPagesRow->$updatePageField;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Insert or update discussiontools_item_revisions rows, fill in itr_id field values.
|
|
foreach ( $threadItemSet->getThreadItems() as $item ) {
|
|
$transcl = $item->getTranscludedFrom();
|
|
$newOrUpdateRevRow =
|
|
[
|
|
'itr_itemid_id' => $itemIdsIds[ $item->getId() ],
|
|
'itr_revision_id' => $rev->getId(),
|
|
'itr_items_id' => $itemsIds[ $item->getId() ],
|
|
'itr_parent_id' =>
|
|
// This assumes that parent items were processed first
|
|
$item->getParent() ? $itemRevisionsIds[ $item->getParent()->getId() ] : null,
|
|
'itr_transcludedfrom' =>
|
|
$transcl === false ? null : (
|
|
$transcl === true ? 0 :
|
|
$this->pageStore->getPageByText( $transcl )->getId()
|
|
),
|
|
'itr_level' => $item->getLevel(),
|
|
] +
|
|
( $item instanceof HeadingItem ? [
|
|
'itr_headinglevel' => $item->isPlaceholderHeading() ? null : $item->getHeadingLevel(),
|
|
] : [] );
|
|
|
|
$itemRevisionsConds = [
|
|
'itr_itemid_id' => $itemIdsIds[ $item->getId() ],
|
|
'itr_items_id' => $itemsIds[ $item->getId() ],
|
|
'itr_revision_id' => $rev->getId(),
|
|
];
|
|
$itemRevisionsId = $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_item_revisions' )
|
|
->field( 'itr_id' )
|
|
->where( $itemRevisionsConds )
|
|
->caller( $method )
|
|
->fetchField();
|
|
if ( $itemRevisionsId === false ) {
|
|
$itemRevisionsUpdateId = null;
|
|
if ( isset( $revUpdateRows[ $itemsIds[ $item->getId() ] ] ) ) {
|
|
$itemRevisionsUpdateId = $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_item_revisions' )
|
|
->field( 'itr_id' )
|
|
->where( [
|
|
'itr_revision_id' => $revUpdateRows[ $itemsIds[ $item->getId() ] ],
|
|
// We only keep up to 2 discussiontools_item_revisions rows with the same
|
|
// (itr_itemid_id, itr_items_id) pair, for the oldest and newest revision known.
|
|
// Here we find any rows we don't want to keep and re-use them.
|
|
'itr_itemid_id' => $itemIdsIds[ $item->getId() ],
|
|
'itr_items_id' => $itemsIds[ $item->getId() ],
|
|
] )
|
|
->caller( $method )
|
|
->fetchField();
|
|
// The row to re-use may not be found if it has a different itr_itemid_id than the row
|
|
// we want to add.
|
|
}
|
|
if ( $itemRevisionsUpdateId ) {
|
|
$dbw->newUpdateQueryBuilder()
|
|
->table( 'discussiontools_item_revisions' )
|
|
->set( $newOrUpdateRevRow )
|
|
->where( [ 'itr_id' => $itemRevisionsUpdateId ] )
|
|
->caller( $method )
|
|
->execute();
|
|
$itemRevisionsId = $itemRevisionsUpdateId;
|
|
$didInsert = true;
|
|
} else {
|
|
$itemRevisionsId = $this->findOrInsertIdButTryHarder(
|
|
static function ( IReadableDatabase $dbw ) use ( $itemRevisionsConds, $method ) {
|
|
return $dbw->newSelectQueryBuilder()
|
|
->from( 'discussiontools_item_revisions' )
|
|
->field( 'itr_id' )
|
|
->where( $itemRevisionsConds )
|
|
->caller( $method )
|
|
->fetchField();
|
|
},
|
|
static function ( IDatabase $dbw ) use ( $newOrUpdateRevRow, $method ) {
|
|
$dbw->newInsertQueryBuilder()
|
|
->table( 'discussiontools_item_revisions' )
|
|
->row( $newOrUpdateRevRow )
|
|
->ignore()
|
|
->caller( $method )
|
|
->execute();
|
|
return $dbw->affectedRows() ? $dbw->insertId() : null;
|
|
},
|
|
$didInsert
|
|
);
|
|
}
|
|
}
|
|
|
|
$itemRevisionsIds[ $item->getId() ] = $itemRevisionsId;
|
|
}
|
|
}, $dbw::ATOMIC_CANCELABLE );
|
|
|
|
return $didInsert;
|
|
}
|
|
}
|