]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/revisiondelete/RevisionDeleteAbstracts.php
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[autoinstallsdev/mediawiki.git] / includes / revisiondelete / RevisionDeleteAbstracts.php
diff --git a/includes/revisiondelete/RevisionDeleteAbstracts.php b/includes/revisiondelete/RevisionDeleteAbstracts.php
deleted file mode 100644 (file)
index 073c25b..0000000
+++ /dev/null
@@ -1,454 +0,0 @@
-<?php
-
-/**
- * Abstract base class for a list of deletable items
- */
-abstract class RevDel_List {
-       var $special, $title, $ids, $res, $current;
-       var $type = null; // override this
-       var $idField = null; // override this
-       var $dateField = false; // override this
-       var $authorIdField = false; // override this
-       var $authorNameField = false; // override this
-
-       /**
-        * @param $special The parent SpecialPage
-        * @param $title The target title
-        * @param $ids Array of IDs
-        */
-       public function __construct( $special, $title, $ids ) {
-               $this->special = $special;
-               $this->title = $title;
-               $this->ids = $ids;
-       }
-
-       /**
-        * Get the internal type name of this list. Equal to the table name.
-        */
-       public function getType() {
-               return $this->type;
-       }
-
-       /**
-        * Get the DB field name associated with the ID list
-        */
-       public function getIdField() {
-               return $this->idField;
-       }
-
-       /**
-        * Get the DB field name storing timestamps
-        */
-       public function getTimestampField() {
-               return $this->dateField;
-       }
-
-       /**
-        * Get the DB field name storing user ids
-        */
-       public function getAuthorIdField() {
-               return $this->authorIdField;
-       }
-
-       /**
-        * Get the DB field name storing user names
-        */
-       public function getAuthorNameField() {
-               return $this->authorNameField;
-       }
-       /**
-        * Set the visibility for the revisions in this list. Logging and 
-        * transactions are done here.
-        *
-        * @param $params Associative array of parameters. Members are:
-        *     value:       The integer value to set the visibility to
-        *     comment:     The log comment.
-        * @return Status
-        */
-       public function setVisibility( $params ) {
-               $bitPars = $params['value'];
-               $comment = $params['comment'];
-
-               $this->res = false;
-               $dbw = wfGetDB( DB_MASTER );
-               $this->doQuery( $dbw );
-               $dbw->begin();
-               $status = Status::newGood();
-               $missing = array_flip( $this->ids );
-               $this->clearFileOps();
-               $idsForLog = array();
-               $authorIds = $authorIPs = array();
-
-               for ( $this->reset(); $this->current(); $this->next() ) {
-                       $item = $this->current();
-                       unset( $missing[ $item->getId() ] );
-
-                       $oldBits = $item->getBits();
-                       // Build the actual new rev_deleted bitfield
-                       $newBits = SpecialRevisionDelete::extractBitfield( $bitPars, $oldBits );
-
-                       if ( $oldBits == $newBits ) {
-                               $status->warning( 'revdelete-no-change', $item->formatDate(), $item->formatTime() );
-                               $status->failCount++;
-                               continue;
-                       } elseif ( $oldBits == 0 && $newBits != 0 ) {
-                               $opType = 'hide';
-                       } elseif ( $oldBits != 0 && $newBits == 0 ) {
-                               $opType = 'show';
-                       } else {
-                               $opType = 'modify';
-                       }
-
-                       if ( $item->isHideCurrentOp( $newBits ) ) {
-                               // Cannot hide current version text
-                               $status->error( 'revdelete-hide-current', $item->formatDate(), $item->formatTime() );
-                               $status->failCount++;
-                               continue;
-                       }
-                       if ( !$item->canView() ) {
-                               // Cannot access this revision
-                               $msg = ($opType == 'show') ?
-                                       'revdelete-show-no-access' : 'revdelete-modify-no-access';
-                               $status->error( $msg, $item->formatDate(), $item->formatTime() );
-                               $status->failCount++;
-                               continue;
-                       }
-                       // Cannot just "hide from Sysops" without hiding any fields
-                       if( $newBits == Revision::DELETED_RESTRICTED ) {
-                               $status->warning( 'revdelete-only-restricted', $item->formatDate(), $item->formatTime() );
-                               $status->failCount++;
-                               continue;
-                       } 
-
-                       // Update the revision
-                       $ok = $item->setBits( $newBits );
-
-                       if ( $ok ) {
-                               $idsForLog[] = $item->getId();
-                               $status->successCount++;
-                               if( $item->getAuthorId() > 0 ) {
-                                       $authorIds[] = $item->getAuthorId();
-                               } else if( IP::isIPAddress( $item->getAuthorName() ) ) {
-                                       $authorIPs[] = $item->getAuthorName();
-                               }
-                       } else {
-                               $status->error( 'revdelete-concurrent-change', $item->formatDate(), $item->formatTime() );
-                               $status->failCount++;
-                       }
-               }
-
-               // Handle missing revisions
-               foreach ( $missing as $id => $unused ) {
-                       $status->error( 'revdelete-modify-missing', $id );
-                       $status->failCount++;
-               }
-
-               if ( $status->successCount == 0 ) {
-                       $status->ok = false;
-                       $dbw->rollback();
-                       return $status;
-               }
-
-               // Save success count 
-               $successCount = $status->successCount;
-
-               // Move files, if there are any
-               $status->merge( $this->doPreCommitUpdates() );
-               if ( !$status->isOK() ) {
-                       // Fatal error, such as no configured archive directory
-                       $dbw->rollback();
-                       return $status;
-               }
-
-               // Log it
-               $this->updateLog( array(
-                       'title' => $this->title, 
-                       'count' => $successCount, 
-                       'newBits' => $newBits, 
-                       'oldBits' => $oldBits,
-                       'comment' => $comment,
-                       'ids' => $idsForLog,
-                       'authorIds' => $authorIds,
-                       'authorIPs' => $authorIPs
-               ) );
-               $dbw->commit();
-
-               // Clear caches
-               $status->merge( $this->doPostCommitUpdates() );
-               return $status;
-       }
-
-       /**
-        * Reload the list data from the master DB. This can be done after setVisibility()
-        * to allow $item->getHTML() to show the new data.
-        */
-       function reloadFromMaster() {
-               $dbw = wfGetDB( DB_MASTER );
-               $this->res = $this->doQuery( $dbw );
-       }
-
-       /**
-        * Record a log entry on the action
-        * @param $params Associative array of parameters:
-        *     newBits:         The new value of the *_deleted bitfield
-        *     oldBits:         The old value of the *_deleted bitfield. 
-        *     title:           The target title
-        *     ids:             The ID list
-        *     comment:         The log comment
-        *     authorsIds:      The array of the user IDs of the offenders
-        *     authorsIPs:      The array of the IP/anon user offenders
-        */
-       protected function updateLog( $params ) {
-               // Get the URL param's corresponding DB field
-               $field = RevisionDeleter::getRelationType( $this->getType() );
-               if( !$field ) {
-                       throw new MWException( "Bad log URL param type!" );
-               }
-               // Put things hidden from sysops in the oversight log
-               if ( ( $params['newBits'] | $params['oldBits'] ) & $this->getSuppressBit() ) {
-                       $logType = 'suppress';
-               } else {
-                       $logType = 'delete';
-               }
-               // Add params for effected page and ids
-               $logParams = $this->getLogParams( $params );
-               // Actually add the deletion log entry
-               $log = new LogPage( $logType );
-               $logid = $log->addEntry( $this->getLogAction(), $params['title'],
-                       $params['comment'], $logParams );
-               // Allow for easy searching of deletion log items for revision/log items
-               $log->addRelations( $field, $params['ids'], $logid );
-               $log->addRelations( 'target_author_id', $params['authorIds'], $logid );
-               $log->addRelations( 'target_author_ip', $params['authorIPs'], $logid );
-       }
-
-       /**
-        * Get the log action for this list type
-        */
-       public function getLogAction() {
-               return 'revision';
-       }
-
-       /**
-        * Get log parameter array.
-        * @param $params Associative array of log parameters, same as updateLog()
-        * @return array
-        */
-       public function getLogParams( $params ) {
-               return array(
-                       $this->getType(),
-                       implode( ',', $params['ids'] ),
-                       "ofield={$params['oldBits']}",
-                       "nfield={$params['newBits']}"
-               );
-       }
-
-       /**
-        * Initialise the current iteration pointer
-        */
-       protected function initCurrent() {
-               $row = $this->res->current();
-               if ( $row ) {
-                       $this->current = $this->newItem( $row );
-               } else {
-                       $this->current = false;
-               }
-       }
-
-       /**
-        * Start iteration. This must be called before current() or next(). 
-        * @return First list item
-        */
-       public function reset() {
-               if ( !$this->res ) {
-                       $this->res = $this->doQuery( wfGetDB( DB_SLAVE ) );
-               } else {
-                       $this->res->rewind();
-               }
-               $this->initCurrent();
-               return $this->current;
-       }
-
-       /**
-        * Get the current list item, or false if we are at the end
-        */
-       public function current() {
-               return $this->current;
-       }
-
-       /**
-        * Move the iteration pointer to the next list item, and return it.
-        */
-       public function next() {
-               $this->res->next();
-               $this->initCurrent();
-               return $this->current;
-       }
-       
-       /**
-        * Get the number of items in the list.
-        */
-       public function length() {
-               if( !$this->res ) {
-                       return 0;
-               } else {
-                       return $this->res->numRows();
-               }
-       }
-
-       /**
-        * Clear any data structures needed for doPreCommitUpdates() and doPostCommitUpdates()
-        * STUB
-        */
-       public function clearFileOps() {
-       }
-
-       /** 
-        * A hook for setVisibility(): do batch updates pre-commit.
-        * STUB
-        * @return Status
-        */
-       public function doPreCommitUpdates() {
-               return Status::newGood();
-       }
-
-       /**
-        * A hook for setVisibility(): do any necessary updates post-commit. 
-        * STUB
-        * @return Status 
-        */
-       public function doPostCommitUpdates() {
-               return Status::newGood();
-       }
-
-       /**
-        * Create an item object from a DB result row
-        * @param $row stdclass
-        */
-       abstract public function newItem( $row );
-
-       /**
-        * Do the DB query to iterate through the objects.
-        * @param $db Database object to use for the query
-        */
-       abstract public function doQuery( $db );
-
-       /**
-        * Get the integer value of the flag used for suppression
-        */
-       abstract public function getSuppressBit();
-}
-
-/**
- * Abstract base class for deletable items
- */
-abstract class RevDel_Item {
-       /** The parent SpecialPage */
-       var $special;
-
-       /** The parent RevDel_List */
-       var $list;
-
-       /** The DB result row */
-       var $row;
-
-       /** 
-        * @param $list RevDel_List
-        * @param $row DB result row
-        */
-       public function __construct( $list, $row ) {
-               $this->special = $list->special;
-               $this->list = $list;
-               $this->row = $row;
-       }
-
-       /**
-        * Get the ID, as it would appear in the ids URL parameter
-        */
-       public function getId() {
-               $field = $this->list->getIdField();
-               return $this->row->$field;
-       }
-
-       /**
-        * Get the date, formatted with $wgLang
-        */
-       public function formatDate() {
-               global $wgLang;
-               return $wgLang->date( $this->getTimestamp() );
-       }
-
-       /**
-        * Get the time, formatted with $wgLang
-        */
-       public function formatTime() {
-               global $wgLang;
-               return $wgLang->time( $this->getTimestamp() );
-       }
-
-       /**
-        * Get the timestamp in MW 14-char form
-        */
-       public function getTimestamp() {
-               $field = $this->list->getTimestampField();
-               return wfTimestamp( TS_MW, $this->row->$field );
-       }
-       
-       /**
-        * Get the author user ID
-        */     
-       public function getAuthorId() {
-               $field = $this->list->getAuthorIdField();
-               return intval( $this->row->$field );
-       }
-
-       /**
-        * Get the author user name
-        */     
-       public function getAuthorName() {
-               $field = $this->list->getAuthorNameField();
-               return strval( $this->row->$field );
-       }
-
-       /** 
-        * Returns true if the item is "current", and the operation to set the given
-        * bits can't be executed for that reason
-        * STUB
-        */
-       public function isHideCurrentOp( $newBits ) {
-               return false;
-       }
-
-       /**
-        * Returns true if the current user can view the item
-        */
-       abstract public function canView();
-       
-       /**
-        * Returns true if the current user can view the item text/file
-        */
-       abstract public function canViewContent();
-
-       /**
-        * Get the current deletion bitfield value
-        */
-       abstract public function getBits();
-
-       /**
-        * Get the HTML of the list item. Should be include <li></li> tags.
-        * This is used to show the list in HTML form, by the special page.
-        */
-       abstract public function getHTML();
-
-       /**
-        * Set the visibility of the item. This should do any necessary DB queries.
-        *
-        * The DB update query should have a condition which forces it to only update
-        * if the value in the DB matches the value fetched earlier with the SELECT. 
-        * If the update fails because it did not match, the function should return 
-        * false. This prevents concurrency problems.
-        *
-        * @return boolean success
-        */
-       abstract public function setBits( $newBits );
-}