resources: Collapse all jQuery UI modules into one deprecated mega-module
[lhc/web/wiklou.git] / includes / CommentStore.php
index 4a673c4..9054e7a 100644 (file)
@@ -83,7 +83,8 @@ class CommentStore {
        protected $key = null;
 
        /**
-        * @var int One of the MIGRATION_* constants
+        * @var int One of the MIGRATION_* constants, or an appropriate combination
+        *  of SCHEMA_COMPAT_* constants.
         * @todo Deprecate and remove once extensions seem unlikely to need to use
         *  it for migration anymore.
         */
@@ -98,11 +99,19 @@ class CommentStore {
        /**
         * @param Language $lang Language to use for comment truncation. Defaults
         *  to content language.
-        * @param int $migrationStage One of the MIGRATION_* constants. Always
-        *  MIGRATION_NEW for MediaWiki core since 1.33.
+        * @param int $stage One of the MIGRATION_* constants, or an appropriate
+        *  combination of SCHEMA_COMPAT_* constants. Always MIGRATION_NEW for
+        *  MediaWiki core since 1.33.
         */
-       public function __construct( Language $lang, $migrationStage ) {
-               $this->stage = $migrationStage;
+       public function __construct( Language $lang, $stage ) {
+               if ( ( $stage & SCHEMA_COMPAT_WRITE_BOTH ) === 0 ) {
+                       throw new InvalidArgumentException( '$stage must include a write mode' );
+               }
+               if ( ( $stage & SCHEMA_COMPAT_READ_BOTH ) === 0 ) {
+                       throw new InvalidArgumentException( '$stage must include a read mode' );
+               }
+
+               $this->stage = $stage;
                $this->lang = $lang;
        }
 
@@ -166,21 +175,21 @@ class CommentStore {
        public function getFields( $key = null ) {
                $key = $this->getKey( $key );
                $fields = [];
-               if ( $this->stage === MIGRATION_OLD ) {
+               if ( ( $this->stage & SCHEMA_COMPAT_READ_BOTH ) === SCHEMA_COMPAT_READ_OLD ) {
                        $fields["{$key}_text"] = $key;
                        $fields["{$key}_data"] = 'NULL';
                        $fields["{$key}_cid"] = 'NULL';
-               } else {
-                       if ( $this->stage < MIGRATION_NEW ) {
+               } else { // READ_BOTH or READ_NEW
+                       if ( $this->stage & SCHEMA_COMPAT_READ_OLD ) {
                                $fields["{$key}_old"] = $key;
                        }
 
                        $tempTableStage = isset( $this->tempTables[$key] )
                                ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
-                       if ( $tempTableStage < MIGRATION_NEW ) {
+                       if ( $tempTableStage & SCHEMA_COMPAT_READ_OLD ) {
                                $fields["{$key}_pk"] = $this->tempTables[$key]['joinPK'];
                        }
-                       if ( $tempTableStage > MIGRATION_OLD ) {
+                       if ( $tempTableStage & SCHEMA_COMPAT_READ_NEW ) {
                                $fields["{$key}_id"] = "{$key}_id";
                        }
                }
@@ -197,7 +206,7 @@ class CommentStore {
         * @since 1.31 Method signature changed, $key parameter added (with deprecated back compat)
         * @param string|null $key A key such as "rev_comment" identifying the comment
         *  field being fetched.
-        * @return array With three keys:
+        * @return array[] With three keys:
         *   - tables: (string[]) to include in the `$table` to `IDatabase->select()`
         *   - fields: (string[]) to include in the `$vars` to `IDatabase->select()`
         *   - joins: (array) to include in the `$join_conds` to `IDatabase->select()`
@@ -211,21 +220,21 @@ class CommentStore {
                        $fields = [];
                        $joins = [];
 
-                       if ( $this->stage === MIGRATION_OLD ) {
+                       if ( ( $this->stage & SCHEMA_COMPAT_READ_BOTH ) === SCHEMA_COMPAT_READ_OLD ) {
                                $fields["{$key}_text"] = $key;
                                $fields["{$key}_data"] = 'NULL';
                                $fields["{$key}_cid"] = 'NULL';
-                       } else {
-                               $join = $this->stage === MIGRATION_NEW ? 'JOIN' : 'LEFT JOIN';
+                       } else { // READ_BOTH or READ_NEW
+                               $join = ( $this->stage & SCHEMA_COMPAT_READ_OLD ) ? 'LEFT JOIN' : 'JOIN';
 
                                $tempTableStage = isset( $this->tempTables[$key] )
                                        ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
-                               if ( $tempTableStage < MIGRATION_NEW ) {
+                               if ( $tempTableStage & SCHEMA_COMPAT_READ_OLD ) {
                                        $t = $this->tempTables[$key];
                                        $alias = "temp_$key";
                                        $tables[$alias] = $t['table'];
                                        $joins[$alias] = [ $join, "{$alias}.{$t['pk']} = {$t['joinPK']}" ];
-                                       if ( $tempTableStage === MIGRATION_OLD ) {
+                                       if ( ( $tempTableStage & SCHEMA_COMPAT_READ_BOTH ) === SCHEMA_COMPAT_READ_OLD ) {
                                                $joinField = "{$alias}.{$t['field']}";
                                        } else {
                                                // Nothing hits this code path for now, but will in the future when we set
@@ -245,7 +254,7 @@ class CommentStore {
                                $tables[$alias] = 'comment';
                                $joins[$alias] = [ $join, "{$alias}.comment_id = {$joinField}" ];
 
-                               if ( $this->stage === MIGRATION_NEW ) {
+                               if ( ( $this->stage & SCHEMA_COMPAT_READ_BOTH ) === SCHEMA_COMPAT_READ_NEW ) {
                                        $fields["{$key}_text"] = "{$alias}.comment_text";
                                } else {
                                        $fields["{$key}_text"] = "COALESCE( {$alias}.comment_text, $key )";
@@ -282,13 +291,15 @@ class CommentStore {
                        $cid = $row["{$key}_cid"] ?? null;
                        $text = $row["{$key}_text"];
                        $data = $row["{$key}_data"];
-               } elseif ( $this->stage === MIGRATION_OLD ) {
+               } elseif ( ( $this->stage & SCHEMA_COMPAT_READ_BOTH ) === SCHEMA_COMPAT_READ_OLD ) {
                        $cid = null;
                        if ( $fallback && isset( $row[$key] ) ) {
                                wfLogWarning( "Using deprecated fallback handling for comment $key" );
                                $text = $row[$key];
                        } else {
-                               wfLogWarning( "Missing {$key}_text and {$key}_data fields in row with MIGRATION_OLD" );
+                               wfLogWarning(
+                                       "Missing {$key}_text and {$key}_data fields in row with MIGRATION_OLD / READ_OLD"
+                               );
                                $text = '';
                        }
                        $data = null;
@@ -296,7 +307,7 @@ class CommentStore {
                        $tempTableStage = isset( $this->tempTables[$key] )
                                ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
                        $row2 = null;
-                       if ( $tempTableStage > MIGRATION_OLD && array_key_exists( "{$key}_id", $row ) ) {
+                       if ( ( $tempTableStage & SCHEMA_COMPAT_READ_NEW ) && array_key_exists( "{$key}_id", $row ) ) {
                                if ( !$db ) {
                                        throw new InvalidArgumentException(
                                                "\$row does not contain fields needed for comment $key and getComment(), but "
@@ -311,7 +322,9 @@ class CommentStore {
                                        __METHOD__
                                );
                        }
-                       if ( !$row2 && $tempTableStage < MIGRATION_NEW && array_key_exists( "{$key}_pk", $row ) ) {
+                       if ( !$row2 && ( $tempTableStage & SCHEMA_COMPAT_READ_OLD ) &&
+                               array_key_exists( "{$key}_pk", $row )
+                       ) {
                                if ( !$db ) {
                                        throw new InvalidArgumentException(
                                                "\$row does not contain fields needed for comment $key and getComment(), but "
@@ -341,7 +354,9 @@ class CommentStore {
                                $cid = $row2->comment_id;
                                $text = $row2->comment_text;
                                $data = $row2->comment_data;
-                       } elseif ( $this->stage < MIGRATION_NEW && array_key_exists( "{$key}_old", $row ) ) {
+                       } elseif ( ( $this->stage & SCHEMA_COMPAT_READ_OLD ) &&
+                               array_key_exists( "{$key}_old", $row )
+                       ) {
                                $cid = null;
                                $text = $row["{$key}_old"];
                                $data = null;
@@ -474,7 +489,7 @@ class CommentStore {
                # Truncate comment in a Unicode-sensitive manner
                $comment->text = $this->lang->truncateForVisual( $comment->text, self::COMMENT_CHARACTER_LIMIT );
 
-               if ( $this->stage > MIGRATION_OLD && !$comment->id ) {
+               if ( ( $this->stage & SCHEMA_COMPAT_WRITE_NEW ) && !$comment->id ) {
                        $dbData = $comment->data;
                        if ( !$comment->message instanceof RawMessage ) {
                                if ( $dbData === null ) {
@@ -534,14 +549,14 @@ class CommentStore {
 
                $comment = $this->createComment( $dbw, $comment, $data );
 
-               if ( $this->stage <= MIGRATION_WRITE_BOTH ) {
+               if ( $this->stage & SCHEMA_COMPAT_WRITE_OLD ) {
                        $fields[$key] = $this->lang->truncateForDatabase( $comment->text, 255 );
                }
 
-               if ( $this->stage >= MIGRATION_WRITE_BOTH ) {
+               if ( $this->stage & SCHEMA_COMPAT_WRITE_NEW ) {
                        $tempTableStage = isset( $this->tempTables[$key] )
                                ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
-                       if ( $tempTableStage <= MIGRATION_WRITE_BOTH ) {
+                       if ( $tempTableStage & SCHEMA_COMPAT_WRITE_OLD ) {
                                $t = $this->tempTables[$key];
                                $func = __METHOD__;
                                $commentId = $comment->id;
@@ -556,7 +571,7 @@ class CommentStore {
                                        );
                                };
                        }
-                       if ( $tempTableStage >= MIGRATION_WRITE_BOTH ) {
+                       if ( $tempTableStage & SCHEMA_COMPAT_WRITE_NEW ) {
                                $fields["{$key}_id"] = $comment->id;
                        }
                }
@@ -594,7 +609,7 @@ class CommentStore {
 
                $tempTableStage = isset( $this->tempTables[$key] )
                        ? $this->tempTables[$key]['stage'] : MIGRATION_NEW;
-               if ( $tempTableStage < MIGRATION_WRITE_NEW ) {
+               if ( $tempTableStage & SCHEMA_COMPAT_WRITE_OLD ) {
                        throw new InvalidArgumentException( "Must use insertWithTempTable() for $key" );
                }