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tableMetadataAccess = $tableMetadataAccess ?: new TableMetadata(); $this->logger = $logger ?: StaticContainer::get('Psr\Log\LoggerInterface'); } /** * Returns list of all duplicate actions in the log_action table by name and the lowest action ID. * The duplicate actions are returned with each action. * * @return array Contains the following elements: * * * **name**: The action's name. * * **idaction**: The action's ID. * * **duplicateIdActions**: An array of duplicate action IDs. */ public function getDuplicateIdActions() { $sql = "SELECT name, COUNT(*) AS count, GROUP_CONCAT(idaction ORDER BY idaction ASC SEPARATOR ',') as idactions FROM " . Common::prefixTable('log_action') . " GROUP BY name, hash, type HAVING count > 1"; $result = array(); foreach (Db::fetchAll($sql) as $row) { $dupeInfo = array('name' => $row['name']); $idActions = explode(",", $row['idactions']); $dupeInfo['idaction'] = array_shift($idActions); $dupeInfo['duplicateIdActions'] = $idActions; $result[] = $dupeInfo; } return $result; } /** * Executes one SQL statement that sets all idaction columns in a table to a single value, if the * values of those columns are in the specified set (`$duplicateIdActions`). * * Notes: * * The SQL will look like: * * UPDATE $table SET * col1 = IF((col1 IN ($duplicateIdActions)), $realIdAction, col1), * col2 = IF((col2 IN ($duplicateIdActions)), $realIdAction, col2), * ... * WHERE col1 IN ($duplicateIdActions) OR col2 IN ($duplicateIdActions) OR ... * * @param string $table * @param int $realIdAction The idaction to set column values to. * @param int[] $duplicateIdActions The idaction values that should be changed. */ public function fixDuplicateActionsInTable($table, $realIdAction, $duplicateIdActions) { $idactionColumns = $this->getIdActionTableColumnsFromMetadata(); $idactionColumns = array_values($idactionColumns[$table]); $table = Common::prefixTable($table); $inFromIdsExpression = $this->getInFromIdsExpression($duplicateIdActions); $setExpression = "%1\$s = IF(($inFromIdsExpression), $realIdAction, %1\$s)"; $sql = "UPDATE $table SET\n"; foreach ($idactionColumns as $index => $column) { if ($index != 0) { $sql .= ",\n"; } $sql .= sprintf($setExpression, $column); } $sql .= $this->getWhereToGetRowsUsingDuplicateActions($idactionColumns, $duplicateIdActions); Db::query($sql); } /** * Returns the server time and idsite of rows in a log table that reference at least one action * in a set. * * @param string $table * @param int[] $duplicateIdActions * @return array with two elements **idsite** and **server_time**. idsite is the site ID and server_time * is the date of the log. */ public function getSitesAndDatesOfRowsUsingDuplicates($table, $duplicateIdActions) { $idactionColumns = $this->getIdActionTableColumnsFromMetadata(); $idactionColumns = array_values($idactionColumns[$table]); $table = Common::prefixTable($table); $sql = "SELECT idsite, DATE(server_time) as server_time FROM $table "; $sql .= $this->getWhereToGetRowsUsingDuplicateActions($idactionColumns, $duplicateIdActions); return Db::fetchAll($sql); } private function getIdActionTableColumnsFromMetadata() { if ($this->idactionColumns === null) { $this->idactionColumns = array(); foreach (self::$tablesWithIdActionColumns as $table) { $columns = $this->tableMetadataAccess->getIdActionColumnNames(Common::prefixTable($table)); $this->logger->debug("Found following idactions in {table}: {columns}", array( 'table' => $table, 'columns' => implode(',', $columns) )); $this->idactionColumns[$table] = $columns; } } return $this->idactionColumns; } private function getWhereToGetRowsUsingDuplicateActions($idactionColumns, $fromIdActions) { $sql = "WHERE "; foreach ($idactionColumns as $index => $column) { if ($index != 0) { $sql .= "OR "; } $sql .= sprintf($this->getInFromIdsExpression($fromIdActions), $column) . " "; } return $sql; } private function getInFromIdsExpression($fromIdActions) { return "%1\$s IN (" . implode(',', $fromIdActions) . ")"; } }