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<?php |
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|
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declare(strict_types=1); |
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|
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namespace UserAccessManager\Setup\Database; |
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|
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use UserAccessManager\Database\Database; |
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use UserAccessManager\Setup\Update\UpdateFactory; |
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use UserAccessManager\Setup\Update\UpdateInterface; |
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use UserAccessManager\UserAccessManager; |
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use UserAccessManager\Wrapper\Wordpress; |
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|
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class DatabaseHandler |
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{ |
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public const MISSING_TABLES = 'MISSING_TABLE'; |
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public const MISSING_COLUMNS = 'MISSING_COLUMNS'; |
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public const MODIFIED_COLUMNS = 'MODIFIED_COLUMNS'; |
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public const EXTRA_COLUMNS = 'EXTRA_COLUMNS'; |
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|
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public function __construct( |
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private Wordpress $wordpress, |
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private Database $database, |
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private DatabaseObjectFactory $databaseObjectFactory, |
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private UpdateFactory $updateFactory |
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) { |
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} |
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|
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private function tableExists(string $table): bool |
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{ |
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$dbTable = $this->database->getVariable("SHOW TABLES LIKE '$table'"); |
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|
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return ($table === $dbTable); |
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} |
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|
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private function addTable(Table $table): void |
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{ |
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$this->database->dbDelta((string) $table); |
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} |
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|
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/** |
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* @return Table[] |
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* @throws MissingColumnsException |
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*/ |
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private function getTables(): array |
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{ |
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$charsetCollate = $this->database->getCharset(); |
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$tables = []; |
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|
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$tables[] = $this->databaseObjectFactory->createTable( |
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$this->database->getUserGroupTable(), |
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$charsetCollate, |
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[ |
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$this->databaseObjectFactory->createColumn('ID', 'INT', false, null, true, true), |
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$this->databaseObjectFactory->createColumn('groupname', 'TINYTEXT'), |
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$this->databaseObjectFactory->createColumn('groupdesc', 'TEXT'), |
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$this->databaseObjectFactory->createColumn('read_access', 'TINYTEXT'), |
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$this->databaseObjectFactory->createColumn('write_access', 'TINYTEXT'), |
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$this->databaseObjectFactory->createColumn('ip_range', 'MEDIUMTEXT', true) |
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] |
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); |
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|
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$tables[] = $this->databaseObjectFactory->createTable( |
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$this->database->getUserGroupToObjectTable(), |
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$charsetCollate, |
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[ |
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$this->databaseObjectFactory->createColumn('object_id', 'VARCHAR(32)', false, null, true), |
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$this->databaseObjectFactory->createColumn('general_object_type', 'VARCHAR(64)'), |
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$this->databaseObjectFactory->createColumn('object_type', 'VARCHAR(32)', false, null, true), |
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$this->databaseObjectFactory->createColumn('group_id', 'VARCHAR(32)', false, null, true), |
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$this->databaseObjectFactory->createColumn('group_type', 'VARCHAR(32)', false, null, true), |
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$this->databaseObjectFactory->createColumn('from_date', 'DATETIME', true), |
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$this->databaseObjectFactory->createColumn('to_date', 'DATETIME', true) |
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] |
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); |
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|
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return $tables; |
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} |
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|
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/** |
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* @throws MissingColumnsException |
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*/ |
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public function install(): void |
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{ |
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foreach ($this->getTables() as $table) { |
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if ($this->tableExists($table->getName()) === false) { |
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$this->addTable($table); |
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} |
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} |
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|
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$this->wordpress->addOption('uam_db_version', UserAccessManager::DB_VERSION); |
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} |
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|
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/** |
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* @return Column[] |
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*/ |
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private function getExistingColumns(Table $table): array |
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{ |
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$query = "SHOW COLUMNS FROM `{$table->getName()}`;"; |
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$existingRawColumns = (array) $this->database->getResults($query); |
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$existingColumns = []; |
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|
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foreach ($existingRawColumns as $existingRawColumn) { |
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$existingColumns[$existingRawColumn->Field] = $this->databaseObjectFactory->createColumn( |
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$existingRawColumn->Field, |
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strtoupper($existingRawColumn->Type), |
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$existingRawColumn->Null === 'YES', |
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$existingRawColumn->Default, |
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$existingRawColumn->Key === 'PRI', |
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$existingRawColumn->Extra === 'auto_increment' |
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); |
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} |
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|
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return $existingColumns; |
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} |
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|
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private function addCorruptedRows(Table $table, array &$information): void |
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{ |
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$existingColumns = $this->getExistingColumns($table); |
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|
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foreach ($table->getColumns() as $column) { |
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if (isset($existingColumns[$column->getName()]) === false) { |
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$information[self::MISSING_COLUMNS][] = [$table, $column]; |
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continue; |
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} |
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|
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$existingColumn = $existingColumns[$column->getName()]; |
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unset($existingColumns[$column->getName()]); |
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|
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if ((string) $column !== (string) $existingColumn) { |
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$information[self::MODIFIED_COLUMNS][] = [$table, $column]; |
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} |
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} |
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|
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foreach ($existingColumns as $existingColumn) { |
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$information[self::EXTRA_COLUMNS][] = [$table, $existingColumn]; |
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} |
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} |
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|
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/** |
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* @throws MissingColumnsException |
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*/ |
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public function getCorruptedDatabaseInformation(): array |
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{ |
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$information = [ |
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self::MISSING_TABLES => [], |
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self::MISSING_COLUMNS => [], |
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self::MODIFIED_COLUMNS => [], |
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self::EXTRA_COLUMNS => [] |
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]; |
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|
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foreach ($this->getTables() as $table) { |
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if ($this->tableExists($table->getName()) === false) { |
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$information[self::MISSING_TABLES][] = $table; |
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continue; |
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} |
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|
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$this->addCorruptedRows($table, $information); |
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} |
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|
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return $information; |
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} |
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|
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private function addColumn(Table $table, Column $column): bool |
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{ |
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return $this->database->query("ALTER TABLE `{$table->getName()}` ADD $column;") !== false; |
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} |
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|
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private function modifyColumn(Table $table, Column $column): bool |
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{ |
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return $this->database->query("ALTER TABLE `{$table->getName()}` MODIFY $column;") !== false; |
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} |
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|
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private function dropColumn(Table $table, Column $column): bool |
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{ |
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return $this->database->query("ALTER TABLE `{$table->getName()}` DROP `{$column->getName()}`;") !== false; |
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} |
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|
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/** |
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* @throws MissingColumnsException |
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*/ |
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public function repairDatabase(array $information = []): bool |
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{ |
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$success = true; |
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$information = ($information === []) ? $this->getCorruptedDatabaseInformation() : $information; |
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|
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foreach ($information[self::MISSING_TABLES] as $table) { |
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$this->addTable($table); |
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} |
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|
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foreach ($information[self::MISSING_COLUMNS] as $columnInformation) { |
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$success = $success && $this->addColumn($columnInformation[0], $columnInformation[1]); |
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} |
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|
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foreach ($information[self::MODIFIED_COLUMNS] as $columnInformation) { |
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$success = $success && $this->modifyColumn($columnInformation[0], $columnInformation[1]); |
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} |
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|
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foreach ($information[self::EXTRA_COLUMNS] as $columnInformation) { |
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$success = $success && $this->dropColumn($columnInformation[0], $columnInformation[1]); |
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} |
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|
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return $success; |
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} |
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|
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private function getActivePluginSites(): array |
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{ |
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$activeSites = []; |
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|
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foreach ($this->wordpress->getSites() as $site) { |
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$this->wordpress->switchToBlog($site->blog_id); |
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$plugins = (array) $this->wordpress->getOption('active_plugins', []); |
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$pluginsMap = array_flip($plugins); |
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|
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if (isset($pluginsMap['user-access-manager/user-access-manager.php']) === true) { |
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$activeSites[$site->blog_id] = $site->blog_id; |
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} |
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|
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$this->wordpress->restoreCurrentBlog(); |
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} |
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|
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return $activeSites; |
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} |
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|
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/** |
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* @throws MissingColumnsException |
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*/ |
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public function isDatabaseUpdateNecessary(): bool |
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{ |
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if ($this->wordpress->isSuperAdmin() === true) { |
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foreach ($this->getActivePluginSites() as $siteId) { |
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$table = $this->database->getBlogPrefix($siteId) . 'options'; |
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$select = "SELECT option_value FROM $table WHERE option_name = '%s' LIMIT 1"; |
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$select = $this->database->prepare($select, 'uam_db_version'); |
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$currentDbVersion = $this->database->getVariable($select); |
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|
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if ($currentDbVersion !== null |
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&& version_compare((string) $currentDbVersion, UserAccessManager::DB_VERSION, '<') === true |
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) { |
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return true; |
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} |
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} |
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} |
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|
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$currentDbVersion = (string) $this->wordpress->getOption('uam_db_version'); |
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|
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if (empty($currentDbVersion) === true) { |
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$this->install(); |
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$currentDbVersion = (string) $this->wordpress->getOption('uam_db_version'); |
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} |
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|
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return version_compare($currentDbVersion, UserAccessManager::DB_VERSION, '<'); |
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} |
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|
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public function backupDatabase(): bool |
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{ |
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$currentDbVersion = (string) $this->wordpress->getOption('uam_db_version'); |
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|
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if (empty($currentDbVersion) === true |
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|| version_compare($currentDbVersion, '1.2', '<') === true |
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) { |
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return false; |
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} |
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|
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$tables = [ |
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$this->database->getUserGroupTable(), |
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$this->database->getUserGroupToObjectTable() |
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]; |
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|
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$currentDbVersion = str_replace('.', '-', $currentDbVersion); |
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$success = true; |
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|
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foreach ($tables as $table) { |
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$createQuery = "CREATE TABLE `{$table}_$currentDbVersion` LIKE `$table`"; |
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$success = $success && ($this->database->query($createQuery) !== false); |
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$insertQuery = "INSERT `{$table}_$currentDbVersion` SELECT * FROM `$table`"; |
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$success = $success && ($this->database->query($insertQuery) !== false); |
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} |
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|
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return $success; |
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} |
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|
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public function getBackups(): array |
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{ |
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$versions = []; |
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$tables = $this->database->getColumn( |
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"SHOW TABLES LIKE '{$this->database->getPrefix()}uam_%'" |
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); |
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|
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foreach ($tables as $table) { |
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if (preg_match('/.*_([0-9\-]+)/i', $table, $matches) === 1) { |
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$version = str_replace('-', '.', $matches[1]); |
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$versions[$version] = $version; |
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} |
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} |
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|
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return $versions; |
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} |
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|
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private function getBackupTables(string $version): array |
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{ |
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$backupTables = []; |
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$tables = [ |
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$this->database->getUserGroupTable(), |
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$this->database->getUserGroupToObjectTable() |
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]; |
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|
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$versionForDb = str_replace('.', '-', $version); |
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|
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foreach ($tables as $table) { |
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$backupTable = (string) $this->database->getVariable( |
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"SHOW TABLES LIKE '{$table}_$versionForDb'" |
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); |
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|
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if ($backupTable !== '') { |
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$backupTables[$table] = $backupTable; |
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} |
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} |
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|
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return $backupTables; |
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} |
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|
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public function revertDatabase(string $version): bool |
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{ |
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$success = true; |
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$tables = $this->getBackupTables($version); |
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|
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foreach ($tables as $table => $backupTable) { |
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$dropQuery = "DROP TABLE IF EXISTS `$table`"; |
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$success = $success && ($this->database->query($dropQuery) !== false); |
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$renameQuery = "RENAME TABLE `$backupTable` TO `$table`"; |
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$success = $success && ($this->database->query($renameQuery) !== false); |
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} |
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|
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if ($success === true) { |
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$this->wordpress->updateOption('uam_db_version', $version); |
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} |
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|
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return $success; |
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} |
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|
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public function deleteBackup(string $version): bool |
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{ |
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$success = true; |
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$tables = $this->getBackupTables($version); |
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|
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foreach ($tables as $backupTable) { |
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$dropQuery = "DROP TABLE IF EXISTS `$backupTable`"; |
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$success = $success && ($this->database->query($dropQuery) !== false); |
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} |
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|
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return $success; |
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} |
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|
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/** |
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* @return UpdateInterface[] |
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*/ |
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private function getOrderedDatabaseUpdates(): array |
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{ |
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$rawUpdates = $this->updateFactory->getDatabaseUpdates(); |
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$updates = []; |
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|
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foreach ($rawUpdates as $rawUpdate) { |
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$updates[$rawUpdate->getVersion()] = $rawUpdate; |
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} |
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|
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uksort($updates, 'version_compare'); |
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return $updates; |
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} |
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|
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public function updateDatabase(): bool |
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{ |
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$currentDbVersion = (string) $this->wordpress->getOption('uam_db_version'); |
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|
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if (empty($currentDbVersion) === true) { |
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return false; |
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} |
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|
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$success = true; |
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|
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foreach ($this->getOrderedDatabaseUpdates() as $orderedUpdate) { |
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if (version_compare($currentDbVersion, $orderedUpdate->getVersion(), '<') === true) { |
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$success = $success && $orderedUpdate->update(); |
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} |
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} |
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|
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if ($success === true) { |
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$this->wordpress->updateOption('uam_db_version', UserAccessManager::DB_VERSION); |
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} |
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|
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return $success; |
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} |
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|
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/** |
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* @throws MissingColumnsException |
| 395 |
*/ |
| 396 |
public function removeTables(): void |
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{ |
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foreach ($this->getTables() as $table) { |
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$dropQuery = "DROP TABLE IF EXISTS `{$table->getName()}`"; |
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$this->database->query($dropQuery); |
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} |
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} |
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} |
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|
