EBernhardson has uploaded a new change for review.
https://gerrit.wikimedia.org/r/201596
Change subject: Allow moving flow boards
......................................................................
Allow moving flow boards
* move added back to board menu, still removed from topic pages
* moves all related topics to the new location as well
* performs null edit to header with flow talkpage manager
* Requires flow-create-board to move to a place that was not a flow board
previously
Bug: T90063
Change-Id: I4bdc665e21b16e4048c3c78c7083add803491dc7
---
M Flow.php
M Hooks.php
M autoload.php
M container.php
M i18n/en.json
M i18n/qqq.json
A includes/BoardMover.php
M includes/Model/Workflow.php
M includes/WorkflowLoaderFactory.php
9 files changed, 233 insertions(+), 6 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/mediawiki/extensions/Flow
refs/changes/96/201596/1
diff --git a/Flow.php b/Flow.php
index e66bd23..487dd06 100644
--- a/Flow.php
+++ b/Flow.php
@@ -132,6 +132,8 @@
$wgHooks['CanonicalNamespaces'][] = 'FlowHooks::onCanonicalNamespaces';
$wgHooks['MovePageIsValidMove'][] = 'FlowHooks::onMovePageIsValidMove';
$wgHooks['AbortMove'][] = 'FlowHooks::onAbortMove';
+$wgHooks['TitleMove'][] = 'FlowHooks::onTitleMove';
+$wgHooks['TitleMoveComplete'][] = 'FlowHooks::onTitleMoveComplete';
$wgHooks['TitleSquidURLs'][] = 'FlowHooks::onTitleSquidURLs';
$wgHooks['WatchlistEditorBuildRemoveLine'][] =
'FlowHooks::onWatchlistEditorBuildRemoveLine';
$wgHooks['WatchlistEditorBeforeFormRender'][] =
'FlowHooks::onWatchlistEditorBeforeFormRender';
@@ -343,7 +345,7 @@
$wgFlowAbuseFilterEmergencyDisableAge = 86400; // One day.
// Actions that must pass through to MediaWiki on flow enabled pages
-$wgFlowCoreActionWhitelist = array( 'info', 'protect', 'unprotect', 'unwatch',
'watch', 'history', 'wikilove' );
+$wgFlowCoreActionWhitelist = array( 'info', 'protect', 'unprotect', 'unwatch',
'watch', 'history', 'wikilove', 'move' );
// When set to true Flow will compile templates into their intermediate forms
// on every run. When set to false Flow will use the versions already written
diff --git a/Hooks.php b/Hooks.php
index 8151b58..1b0cf4f 100644
--- a/Hooks.php
+++ b/Hooks.php
@@ -1041,8 +1041,28 @@
}
public static function onMovePageIsValidMove( Title $oldTitle, Title
$newTitle, Status $status ) {
- if ( self::$occupationController->isTalkpageOccupied( $oldTitle
) ) {
+ global $wgFlowOccupyNamespaces, $wgUser;
+
+ // We only care about moving flow boards
+ if ( $oldTitle->getContentModel() !== CONTENT_MODEL_FLOW_BOARD
) {
+ return true;
+ }
+
+ // pages within the Topic namespace are not movable
+ if ( $oldTitle->getNamespace() === NS_TOPIC ) {
$status->fatal( 'flow-error-move' );
+ return false;
+ }
+
+ $occupationController = Container::get( 'occupation_controller'
);
+ if (
+ // If the destination is not already a valid flow
location
+ !$occupationController->isTalkpageOccupied( $newTitle,
false )
+ &&
+ // and the user is not allowed to create new flow boards
+ !$wgUser->isAllowed( 'flow-create-board' )
+ ) {
+ $status->fatal( 'flow-error-move-no-create-permissions'
);
return false;
}
@@ -1328,4 +1348,29 @@
return true;
}
+
+ /**
+ * Occurs at the begining of the MovePage process. Perhaps ContentModel
should be
+ * extended to be notified about moves explicitly.
+ */
+ public static function onTitleMove( Title $oldTitle, Title $newTitle,
User $user ) {
+ if ( $oldTitle->getContentModel() === CONTENT_MODEL_FLOW_BOARD
) {
+ // complete hack to make sure that when the page is
saved to new
+ // location and rendered it doesn't throw an error
about the wrong title
+ Container::get( 'factory.loader.workflow'
)->pageMoveInProgress();
+ // open a database transaction and prepare everything
for the move, but
+ // don't commit yet. That is done below in
self::onTitleMoveComplete
+ Container::get( 'board_mover' )->prepareMove(
$oldTitle, $newTitle );
+ }
+
+ return true;
+ }
+
+ public static function onTitleMoveComplete( Title $oldTitle, Title
$newTitle, User $user, $pageid, $redirid, $reason ) {
+ if ( $newTitle->getContentModel() === CONTENT_MODEL_FLOW_BOARD
) {
+ Container::get( 'board_mover' )->commit();
+ }
+
+ return true;
+ }
}
diff --git a/autoload.php b/autoload.php
index 1be2835..938a479 100644
--- a/autoload.php
+++ b/autoload.php
@@ -40,6 +40,7 @@
'Flow\\Block\\TopicBlock' => __DIR__ . '/includes/Block/Topic.php',
'Flow\\Block\\TopicListBlock' => __DIR__ .
'/includes/Block/TopicList.php',
'Flow\\Block\\TopicSummaryBlock' => __DIR__ .
'/includes/Block/TopicSummary.php',
+ 'Flow\\BoardMover' => __DIR__ . '/includes/BoardMover.php',
'Flow\\Collection\\AbstractCollection' => __DIR__ .
'/includes/Collection/AbstractCollection.php',
'Flow\\Collection\\CollectionCache' => __DIR__ .
'/includes/Collection/CollectionCache.php',
'Flow\\Collection\\HeaderCollection' => __DIR__ .
'/includes/Collection/HeaderCollection.php',
diff --git a/container.php b/container.php
index 7af6cae..199f82d 100644
--- a/container.php
+++ b/container.php
@@ -1199,4 +1199,13 @@
);
};
+$c['board_mover'] = function( $c ) {
+ return new Flow\BoardMover(
+ $c['db.factory'],
+ $c['memcache.buffered'],
+ $c['storage'],
+ $c['occupation_controller']->getTalkpageManager()
+ );
+};
+
return $c;
diff --git a/i18n/en.json b/i18n/en.json
index 1584875..f37e112 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -175,7 +175,8 @@
"flow-error-no-commit": "The specified action could not be saved.",
"flow-error-fetch-after-lock": "An error was encountered when
requesting the new data. The lock/unlock operation succeeded just fine, though.
The error message was: $1",
"flow-error-content-too-long": "The content is too large. Content after
expansion is limited to $1 {{PLURAL:$1|byte|bytes}}.",
- "flow-error-move": "Moving a discussion board is currently not
supported.",
+ "flow-error-move": "Moving a topic page is currently not supported.",
+ "flow-error-move-no-create-permissions": "The `flow-create-board`
permission is required to move a flow board.",
"flow-error-invalid-topic-uuid-title": "Bad title",
"flow-error-invalid-topic-uuid": "The requested page title was invalid.
Pages in the Topic namespace are automatically created by Flow.",
"flow-error-unknown-workflow-id-title": "Unknown topic",
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 4006924..093ccef 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -178,7 +178,8 @@
"flow-error-no-commit": "Error message when nothing was able to commit
the request (data was submitted but it could not be processed).",
"flow-error-fetch-after-lock": "Error message to be displayed when
failing to request the new data after successfully performing lock/unlock
topic. This is meant to indicate to the user that some error was encountered,
but that the lock/unlock actually succeeded just fine - we just failed to get
the new data to display the new status. Parameters:\n* $1 - The error message
received.",
"flow-error-content-too-long": "Error message when the expanded(html)
output of a post is too large.\n\nParameters:\n* $1 - post content lengh limit
in byte, could be used for plural support.",
- "flow-error-move": "Error message when attempting to move a flow board
(which is not yet supported)",
+ "flow-error-move": "Error message when attempting to move a flow topic",
+ "flow-error-move-no-create-permissions": "Error message when attempting
to move a flow board to a page that the current user is not allowed to.",
"flow-error-invalid-topic-uuid-title": "Title displayed at top of page
and in browser title bar when the user requests a page within the Topic
namespace that is not a valid UUID",
"flow-error-invalid-topic-uuid": "Body of page displayed when the user
requests a page within the Topic namespace that is not a valid UUID",
"flow-error-unknown-workflow-id-title": "Title displayed at top of page
and in browser title bar when the user requests a page within the Topic
namespace that is not a known topic",
diff --git a/includes/BoardMover.php b/includes/BoardMover.php
new file mode 100644
index 0000000..4430019
--- /dev/null
+++ b/includes/BoardMover.php
@@ -0,0 +1,135 @@
+<?php
+
+namespace Flow;
+
+use DatabaseBase;
+use Flow\Data\BufferedCache;
+use Flow\Data\ManagerGroup;
+use Flow\Exception\FlowException;
+use Flow\Model\Header;
+use Flow\Model\Workflow;
+use Title;
+use User;
+
+/**
+ *
+ */
+class BoardMover {
+ /**
+ * @var DbFactory
+ */
+ protected $dbFactory;
+
+ /**
+ * @var ManagerGroup
+ */
+ protected $storage;
+
+ /**
+ * @var User
+ */
+ protected $nullEditUser;
+
+ /**
+ * @var DatabaseBase|null
+ */
+ protected $dbw;
+
+ public function __construct( DbFactory $dbFactory, BufferedCache
$cache, ManagerGroup $storage, User $nullEditUser ) {
+ $this->dbFactory = $dbFactory;
+ $this->cache = $cache;
+ $this->storage = $storage;
+ $this->nullEditUser = $nullEditUser;
+ }
+
+ /**
+ * Collects the workflow and header (if it exists) and puts them into
the database. Does
+ * not commit yet. It is intended for prepareMove to be called from the
TitleMove hook,
+ * and commited from TitleMoveComplete hook. This ensures that if some
error prevents the
+ * core transaction from commiting this transaction is also not
commited.
+ */
+ public function prepareMove( Title $oldTitle, Title $newTitle ) {
+ if ( $this->dbw !== null ) {
+ throw new FlowException( "Already prepared for move
from {$oldTitle} to {$newTitle}" );
+ }
+ if ( $oldTitle->getContentModel() !== CONTENT_MODEL_FLOW_BOARD
) {
+ throw new FlowException( "$oldTitle is not a flow
board" );
+ }
+ // @todo someday NS_TOPIC should be made
CONTENT_MODEL_FLOW_TOPIC instead of approximating
+ // like this.
+ if ( $oldTitle->getNamespace() === NS_TOPIC ) {
+ throw new FlowException( "$oldTitle is a topic, not a
board" );
+ }
+
+ // All reads must go through master to help ensure consistency
+ $this->dbFactory->forceMaster();
+
+ // Open a transaction, this will be closed or rolled back from
self::commit or self::rollback
+ $this->dbw = $this->dbFactory->getDB( DB_MASTER );
+ $this->dbw->begin();
+ $this->cache->begin();
+
+ // @todo this loads every topic workflow this board has ever
seen,
+ // would prefer to update db directly but that won't work due to
+ // the caching layer not getting updated. After dropping
Flow\Data\Index\*
+ // revisit this.
+ $found = $this->storage->find( 'Workflow', array(
+ 'workflow_wiki' => wfWikiId(),
+ 'workflow_namespace' => $oldTitle->getNamespace(),
+ 'workflow_title_text' => $oldTitle->getDBkey()
+ ) );
+ if ( !$found ) {
+ throw new FlowException( "Could not locate workflow for
$oldTitle" );
+ }
+
+ $discussionWorkflow = null;
+ foreach ( $found as $workflow ) {
+ if ( $workflow->getType() === 'discussion' ) {
+ $discussionWorkflow = $workflow;
+ }
+ $workflow->updateFromTitle( $oldTitle, $newTitle );
+ $this->storage->put( $workflow, array() );
+ }
+ if ( $discussionWorkflow === null ) {
+ throw new FlowException( "Main discussion workflow for
$oldTitle not found" );
+ }
+
+ $found = $this->storage->find(
+ 'Header',
+ array( 'rev_type_id' => $discussionWorkflow->getId() ),
+ array( 'sort' => 'rev_id', 'order' => 'DESC', 'limit'
=> 1 )
+ );
+
+ if ( $found ) {
+ $this->header = reset( $found );
+ $nextHeader = $this->header->newNullRevision(
+ $this->nullEditUser,
+ $this->header->getContentRaw(),
+ $this->header->getContentFormat(),
+ 'edit-header',
+ $newTitle
+ );
+ $this->storage->put( $nextHeader, array(
+ 'workflow' => $discussionWorkflow,
+ ) );
+ }
+ }
+
+ /**
+ * @throws Exception\FlowException
+ */
+ public function commit() {
+ if ( $this->dbw === null ) {
+ throw new FlowException( 'Board move not prepared.');
+ }
+
+ try {
+ $this->dbw->commit();
+ $this->cache->commit();
+ } catch ( \Exception $e ) {
+ $this->dbw->rollback();
+ $this->cache->rollback();
+ throw $e;
+ }
+ }
+}
diff --git a/includes/Model/Workflow.php b/includes/Model/Workflow.php
index bb09926..6a66ba8 100644
--- a/includes/Model/Workflow.php
+++ b/includes/Model/Workflow.php
@@ -88,7 +88,7 @@
$obj->isNew = false;
$obj->type = $row['workflow_type'];
$obj->wiki = $row['workflow_wiki'];
- $obj->pageId = $row['workflow_page_id'];
+ $obj->pageId = (int)$row['workflow_page_id'];
$obj->namespace = (int) $row['workflow_namespace'];
$obj->titleText = $row['workflow_title_text'];
$obj->lastModified = $row['workflow_last_update_timestamp'];
@@ -146,6 +146,30 @@
}
/**
+ * Update the workflow after a page move.
+ *
+ * @param Title $oldTitle The title the workflow is currently located at
+ * @param Title $newTitle The title the workflow is moving to. During
the page move
+ * process this has not yet been written out to DB and does not have
an articleId()
+ * @throws DataModelException
+ */
+ public function updateFromTitle( Title $oldTitle, Title $newTitle ) {
+ // temporary hack. @todo write maintenance script to fix all of
these
+ if ( $this->pageId === 0 ) {
+ if ( $this->getOwnerTitle()->equals( $oldTitle ) ) {
+ $this->pageId = $oldTitle->getArticleID();
+ } else {
+ throw new DataModelException( "The provided
oldTitle ({$oldTitle}) does not match this workflow." );
+ }
+ } elseif ( $oldTitle->getArticleID() !== $this->pageId ) {
+ throw new DataModelException( 'Must update from title
with same page id. ' . $this->pageId . ' !== ' . $title->getArticleID() );
+ }
+
+ $this->namespace = $newTitle->getNamespace();
+ $this->titleText = $newTitle->getDBkey();
+ }
+
+ /**
* Return the title this workflow responds at
*
* @return Title
diff --git a/includes/WorkflowLoaderFactory.php
b/includes/WorkflowLoaderFactory.php
index 32598f9..d335f10 100644
--- a/includes/WorkflowLoaderFactory.php
+++ b/includes/WorkflowLoaderFactory.php
@@ -34,6 +34,11 @@
protected $defaultWorkflowName;
/**
+ * @var bool
+ */
+ protected $pageMoveInProgress = false;
+
+ /**
* @param ManagerGroup $storage
* @param BlockFactory $blockFactory
* @param SubmissionHandler $submissionHandler
@@ -49,6 +54,10 @@
$this->blockFactory = $blockFactory;
$this->submissionHandler = $submissionHandler;
$this->defaultWorkflowName = $defaultWorkflowName;
+ }
+
+ public function pageMoveInProgress() {
+ $this->pageMoveInProgress = true;
}
/**
@@ -118,7 +127,7 @@
if ( !$workflow ) {
throw new UnknownWorkflowIdException( 'Invalid workflow
requested by id', 'invalid-input' );
}
- if ( $title !== false && !$workflow->matchesTitle( $title ) ) {
+ if ( $title !== false && $this->pageMoveInProgress === false &&
!$workflow->matchesTitle( $title ) ) {
throw new InvalidInputException( 'Flow workflow is for
different page', 'invalid-input' );
}
--
To view, visit https://gerrit.wikimedia.org/r/201596
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I4bdc665e21b16e4048c3c78c7083add803491dc7
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/Flow
Gerrit-Branch: master
Gerrit-Owner: EBernhardson <ebernhard...@wikimedia.org>
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