* Best if all done inside a transaction.
*
* @param Database $dbw
- * @return int The newly created page_id key
+ * @return int The newly created page_id key, or false if the title already existed
* @private
*/
function insertOn( $dbw ) {
'page_touched' => $dbw->timestamp(),
'page_latest' => 0, # Fill this in shortly...
'page_len' => 0, # Fill this in shortly...
- ), __METHOD__ );
- $newid = $dbw->insertId();
-
- $this->mTitle->resetArticleId( $newid );
+ ), __METHOD__, 'IGNORE' );
+ $affected = $dbw->affectedRows();
+ if ( $affected ) {
+ $newid = $dbw->insertId();
+ $this->mTitle->resetArticleId( $newid );
+ }
wfProfileOut( __METHOD__ );
- return $newid;
+ return $affected ? $newid : false;
}
/**
( $minor ? EDIT_MINOR : 0 ) |
( $forceBot ? EDIT_FORCE_BOT : 0 );
- $good = $this->doEdit( $text, $summary, $flags );
- if ( $good ) {
- $dbw = wfGetDB( DB_MASTER );
- if ($watchthis) {
- if (!$this->mTitle->userIsWatching()) {
- $dbw->begin();
- $this->doWatch();
- $dbw->commit();
- }
- } else {
- if ( $this->mTitle->userIsWatching() ) {
- $dbw->begin();
- $this->doUnwatch();
- $dbw->commit();
- }
+ $status = $this->doEdit( $text, $summary, $flags );
+ if ( !$status->isOK() ) {
+ return false;
+ }
+
+ $dbw = wfGetDB( DB_MASTER );
+ if ($watchthis) {
+ if (!$this->mTitle->userIsWatching()) {
+ $dbw->begin();
+ $this->doWatch();
+ $dbw->commit();
+ }
+ } else {
+ if ( $this->mTitle->userIsWatching() ) {
+ $dbw->begin();
+ $this->doUnwatch();
+ $dbw->commit();
}
+ }
- $extraQuery = ''; // Give extensions a chance to modify URL query on update
- wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
+ $extraQuery = ''; // Give extensions a chance to modify URL query on update
+ wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
- $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
- }
- return $good;
+ $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
+ return true;
}
/**
* Fill in blank summaries with generated text where possible
*
* If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
- * If EDIT_UPDATE is specified and the article doesn't exist, the function will return false. If
- * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception
- * to be thrown from the Database. These two conditions are also possible with auto-detection due
- * to MediaWiki's performance-optimised locking strategy.
+ * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
+ * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
+ * edit-already-exists error will be returned. These two conditions are also possible with
+ * auto-detection due to MediaWiki's performance-optimised locking strategy.
+ *
* @param $baseRevId, the revision ID this edit was based off, if any
*
- * @return int Current revision ID after this edit
+ * @return Status object. Possible errors:
+ * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
+ * edit-gone-missing: In update mode, but the article didn't exist
+ * edit-conflict: In update mode, the article changed unexpectedly
+ * edit-no-change: Warning that the text was the same as before
+ * edit-already-exists: In creation mode, but the article already exists
+ *
+ * Extensions may define additional errors.
+ *
+ * $return->value will contain an associative array with members as follows:
+ * new: Boolean indicating if the function attempted to create a new article
+ * revision: The revision object for the inserted revision, or null
+ *
+ * Compatibility note: this function previously returned a boolean value indicating success/failure
*/
function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
if ($user == null) {
$user = $wgUser;
}
- $good = true;
+ $status = Status::newGood( array() );
+
+ # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
+ $this->loadPageData();
if ( !($flags & EDIT_NEW) && !($flags & EDIT_UPDATE) ) {
- $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
+ $aid = $this->mTitle->getArticleID();
if ( $aid ) {
$flags |= EDIT_UPDATE;
} else {
if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text,
&$summary, $flags & EDIT_MINOR,
- null, null, &$flags ) ) )
+ null, null, &$flags, &$status ) ) )
{
wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
wfProfileOut( __METHOD__ );
- return false;
+ if ( $status->isOK() ) {
+ $status->fatal( 'edit-hook-aborted');
+ }
+ return $status;
}
# Silently ignore EDIT_MINOR if not allowed
if ( $flags & EDIT_UPDATE ) {
# Update article, but only if changed.
+ $status->value['new'] = false;
# Make sure the revision is either completely inserted or not inserted at all
if( !$wgDBtransactions ) {
$userAbort = ignore_user_abort( true );
}
- $lastRevision = 0;
$revisionId = 0;
$changed = ( strcmp( $text, $oldtext ) != 0 );
- (int)$this->isCountable( $oldtext );
$this->mTotalAdjustment = 0;
- $lastRevision = $dbw->selectField(
- 'page', 'page_latest', array( 'page_id' => $this->getId() ) );
-
- if ( !$lastRevision ) {
+ if ( !$this->mLatest ) {
# Article gone missing
wfDebug( __METHOD__.": EDIT_UPDATE specified but article doesn't exist\n" );
+ $status->fatal( 'edit-gone-missing' );
wfProfileOut( __METHOD__ );
- return false;
+ return $status;
}
$revision = new Revision( array(
'comment' => $summary,
'minor_edit' => $isminor,
'text' => $text,
- 'parent_id' => $lastRevision,
+ 'parent_id' => $this->mLatest,
'user' => $user->getId(),
'user_text' => $user->getName(),
) );
$revisionId = $revision->insertOn( $dbw );
# Update page
- $ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision );
+ #
+ # Note that we use $this->mLatest instead of fetching a value from the master DB
+ # during the course of this function. This makes sure that EditPage can detect
+ # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
+ # before this function is called. A previous function used a separate query, this
+ # creates a window where concurrent edits can cause an ignored edit conflict.
+ $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest );
if( !$ok ) {
/* Belated edit conflict! Run away!! */
- $good = false;
+ $status->fatal( 'edit-conflict' );
+ # Delete the invalid revision if the DB is not transactional
+ if ( !$wgDBtransactions ) {
+ $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__ );
+ }
$revisionId = 0;
$dbw->rollback();
} else {
# Update recentchanges
if( !( $flags & EDIT_SUPPRESS_RC ) ) {
$rc = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $user, $summary,
- $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
+ $this->mLatest, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
$revisionId );
# Mark as patrolled if the user can do so
$dbw->commit();
}
} else {
+ $status->warning( 'edit-no-change' );
$revision = null;
// Keep the same revision ID, but do some updates on it
$revisionId = $this->getRevIdFetched();
if( !$wgDBtransactions ) {
ignore_user_abort( $userAbort );
}
-
- if ( $good ) {
- # Invalidate cache of this article and all pages using this article
- # as a template. Partly deferred.
- Article::onArticleEdit( $this->mTitle, false ); // leave templatelinks for editUpdates()
- # Update links tables, site stats, etc.
- $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
+ // Now that ignore_user_abort is restored, we can respond to fatal errors
+ if ( !$status->isOK() ) {
+ wfProfileOut( __METHOD__ );
+ return $status;
}
+
+ # Invalidate cache of this article and all pages using this article
+ # as a template. Partly deferred.
+ Article::onArticleEdit( $this->mTitle, false ); // leave templatelinks for editUpdates()
+ # Update links tables, site stats, etc.
+ $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
} else {
# Create new article
+ $status->value['new'] = true;
# Set statistics members
# We work out if it's countable after PST to avoid counter drift
$this->mTotalAdjustment = 1;
$dbw->begin();
+
# Add the page record; stake our claim on this title!
- # This will fail with a database query exception if the article already exists
+ # This will return false if the article already exists
$newid = $this->insertOn( $dbw );
+ if ( $newid === false ) {
+ $dbw->rollback();
+ $status->fatal( 'edit-already-exists' );
+ wfProfileOut( __METHOD__ );
+ return $status;
+ }
+
# Save the revision text...
$revision = new Revision( array(
'page' => $newid,
$flags & EDIT_MINOR, null, null, &$flags, $revision ) );
}
- if ( $good && !( $flags & EDIT_DEFER_UPDATES ) ) {
+ # Do updates right now unless deferral was requested
+ if ( !( $flags & EDIT_DEFER_UPDATES ) ) {
wfDoUpdates();
}
- if ( $good ) {
- wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
- $flags & EDIT_MINOR, null, null, &$flags, $revision ) );
- }
+ // Return the new revision (or null) to the caller
+ $status->value['revision'] = $revision;
+
+ wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
+ $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status ) );
wfProfileOut( __METHOD__ );
- return $revisionId;
+ return $status;
}
/**
if( $bot && ($wgUser->isAllowed('markbotedits') || $wgUser->isAllowed('bot')) )
$flags |= EDIT_FORCE_BOT;
# Actually store the edit
- $revId = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
+ $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
+ if ( !empty( $status->value['revision'] ) ) {
+ $revId = $status->value['revision']->getId();
+ } else {
+ $revId = false;
+ }
wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target ) );
dépôts / lhc / web / wiklou.git / commitdiff