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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Updater\Service; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Updater\Exception\UpdaterException; |
| 12 | use PDO; |
| 13 | use Throwable; |
| 14 | |
| 15 | /** |
| 16 | * Executes update SQL migrations (DDL/DML) and records version history. |
| 17 | * |
| 18 | * @package App\Core\Updater\Service |
| 19 | */ |
| 20 | final class DatabaseMigrationRunner |
| 21 | { |
| 22 | /** |
| 23 | * DatabaseMigrationRunner constructor. |
| 24 | * |
| 25 | * @param PDO $pdo Active PDO database connection. |
| 26 | * @param string $tablePrefix Database table prefix. |
| 27 | */ |
| 28 | public function __construct( |
| 29 | private readonly PDO $pdo, |
| 30 | private readonly string $tablePrefix = 'a_' |
| 31 | ) { |
| 32 | } |
| 33 | |
| 34 | /** |
| 35 | * Retrieves currently installed version from a_core_system_version. |
| 36 | * |
| 37 | * @return string|null Version string or null if system not yet initialized. |
| 38 | */ |
| 39 | public function getCurrentVersion(): ?string |
| 40 | { |
| 41 | $tableName = $this->tablePrefix . 'core_system_version'; |
| 42 | $sql = "SELECT version FROM {$tableName} ORDER BY id DESC LIMIT 1"; |
| 43 | |
| 44 | try { |
| 45 | $stmt = $this->pdo->query($sql); |
| 46 | if ($stmt === false) { |
| 47 | return null; |
| 48 | } |
| 49 | } catch (Throwable) { |
| 50 | // Table may not exist prior to baseline installation |
| 51 | return null; |
| 52 | } |
| 53 | |
| 54 | $version = $stmt->fetchColumn(); |
| 55 | return is_string($version) && trim($version) !== '' ? trim($version) : null; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Executes upgrade SQL script and logs migration details. |
| 60 | * |
| 61 | * @param string $sqlFilePath Absolute path to the SQL upgrade file. |
| 62 | * @param string $version Target release version. |
| 63 | * @param string $migrationName Identifier for the migration script. |
| 64 | * @throws UpdaterException If SQL execution fails. |
| 65 | */ |
| 66 | public function runUpScript(string $sqlFilePath, string $version, string $migrationName): void |
| 67 | { |
| 68 | if (!file_exists($sqlFilePath) || !is_readable($sqlFilePath)) { |
| 69 | throw new UpdaterException(sprintf('Upgrade SQL script not found or unreadable: %s', $sqlFilePath)); |
| 70 | } |
| 71 | |
| 72 | $rawSql = (string) file_get_contents($sqlFilePath); |
| 73 | $checksum = hash('sha256', $rawSql); |
| 74 | $startTime = microtime(true); |
| 75 | |
| 76 | try { |
| 77 | $this->executeSqlScript($rawSql); |
| 78 | $executionMs = (int) round((microtime(true) - $startTime) * 1000); |
| 79 | |
| 80 | $this->logMigration($version, $migrationName, 'success', $executionMs, $checksum, null); |
| 81 | } catch (Throwable $e) { |
| 82 | $executionMs = (int) round((microtime(true) - $startTime) * 1000); |
| 83 | $this->logMigration($version, $migrationName, 'failed', $executionMs, $checksum, $e->getMessage()); |
| 84 | |
| 85 | throw new UpdaterException( |
| 86 | sprintf('SQL migration failed for version %s (%s): %s', $version, $migrationName, $e->getMessage()), |
| 87 | 0, |
| 88 | $e |
| 89 | ); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Executes rollback SQL script. |
| 95 | * |
| 96 | * @param string $sqlFilePath Absolute path to the SQL rollback script. |
| 97 | * @param string $version Target release version. |
| 98 | * @param string $migrationName Identifier for the migration script. |
| 99 | * @throws UpdaterException If SQL rollback fails. |
| 100 | */ |
| 101 | public function runDownScript(string $sqlFilePath, string $version, string $migrationName): void |
| 102 | { |
| 103 | if (!file_exists($sqlFilePath) || !is_readable($sqlFilePath)) { |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | $rawSql = (string) file_get_contents($sqlFilePath); |
| 108 | $checksum = hash('sha256', $rawSql); |
| 109 | $startTime = microtime(true); |
| 110 | |
| 111 | try { |
| 112 | $this->executeSqlScript($rawSql); |
| 113 | $executionMs = (int) round((microtime(true) - $startTime) * 1000); |
| 114 | |
| 115 | $this->logMigration($version, $migrationName . '_rollback', 'rollback', $executionMs, $checksum, null); |
| 116 | } catch (Throwable $e) { |
| 117 | $executionMs = (int) round((microtime(true) - $startTime) * 1000); |
| 118 | $this->logMigration( |
| 119 | $version, |
| 120 | $migrationName . '_rollback', |
| 121 | 'rollback_failed', |
| 122 | $executionMs, |
| 123 | $checksum, |
| 124 | $e->getMessage() |
| 125 | ); |
| 126 | throw new UpdaterException( |
| 127 | sprintf('SQL rollback failed for version %s: %s', $version, $e->getMessage()), |
| 128 | 0, |
| 129 | $e |
| 130 | ); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Records new version entry in a_core_system_version. |
| 136 | */ |
| 137 | public function recordSystemVersion( |
| 138 | string $version, |
| 139 | string $profile, |
| 140 | string $checksum, |
| 141 | string $appliedBy = 'system-updater' |
| 142 | ): void { |
| 143 | $tableName = $this->tablePrefix . 'core_system_version'; |
| 144 | $nowExpr = ((string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME) === 'sqlite') |
| 145 | ? "datetime('now')" |
| 146 | : 'NOW()'; |
| 147 | |
| 148 | $stmt = $this->pdo->prepare( |
| 149 | "INSERT INTO `{$tableName}` (`version`, `profile`, `installed_at`, `package_checksum`, `applied_by`) " |
| 150 | . "VALUES (:version, :profile, {$nowExpr}, :checksum, :applied_by)" |
| 151 | ); |
| 152 | $stmt->execute([ |
| 153 | ':version' => $version, |
| 154 | ':profile' => $profile, |
| 155 | ':checksum' => $checksum, |
| 156 | ':applied_by' => $appliedBy, |
| 157 | ]); |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Splits and executes SQL script statement by statement. |
| 162 | */ |
| 163 | private function executeSqlScript(string $sql): void |
| 164 | { |
| 165 | $cleanSql = (string) preg_replace('/^\xEF\xBB\xBF/', '', $sql); |
| 166 | $cleanSql = (string) preg_replace('/\/\*.*?\*\//s', '', $cleanSql); |
| 167 | |
| 168 | $statements = $this->splitStatements($cleanSql); |
| 169 | foreach ($statements as $stmt) { |
| 170 | $this->pdo->exec($stmt); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Splits SQL text into individual executable queries respecting quotes. |
| 176 | * |
| 177 | * @return list<string> |
| 178 | */ |
| 179 | private function splitStatements(string $sql): array |
| 180 | { |
| 181 | $stmts = []; |
| 182 | $current = ''; |
| 183 | $inQuote = false; |
| 184 | $quoteChar = ''; |
| 185 | $len = strlen($sql); |
| 186 | |
| 187 | for ($i = 0; $i < $len; $i++) { |
| 188 | $char = $sql[$i]; |
| 189 | $this->updateQuoteState($sql, $i, $char, $inQuote, $quoteChar); |
| 190 | |
| 191 | if ($char === ';' && !$inQuote) { |
| 192 | $trimmed = trim($current); |
| 193 | if ($trimmed !== '') { |
| 194 | $stmts[] = $trimmed; |
| 195 | } |
| 196 | $current = ''; |
| 197 | } else { |
| 198 | $current .= $char; |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | $trailing = trim($current); |
| 203 | if ($trailing !== '') { |
| 204 | $stmts[] = $trailing; |
| 205 | } |
| 206 | |
| 207 | return $stmts; |
| 208 | } |
| 209 | |
| 210 | private function updateQuoteState( |
| 211 | string $sql, |
| 212 | int $i, |
| 213 | string $char, |
| 214 | bool &$inQuote, |
| 215 | string &$quoteChar |
| 216 | ): void { |
| 217 | if (($char !== "'" && $char !== '"' && $char !== '`') || ($i > 0 && $sql[$i - 1] === '\\')) { |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | if (!$inQuote) { |
| 222 | $inQuote = true; |
| 223 | $quoteChar = $char; |
| 224 | } elseif ($quoteChar === $char) { |
| 225 | $inQuote = false; |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Inserts log entry into a_core_system_migration. |
| 231 | */ |
| 232 | private function logMigration( |
| 233 | string $version, |
| 234 | string $name, |
| 235 | string $status, |
| 236 | int $executionMs, |
| 237 | string $checksum, |
| 238 | ?string $error |
| 239 | ): void { |
| 240 | $tableName = $this->tablePrefix . 'core_system_migration'; |
| 241 | if (!$this->tableExists($tableName)) { |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | $nowExpr = ((string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME) === 'sqlite') |
| 246 | ? "datetime('now')" |
| 247 | : 'NOW()'; |
| 248 | |
| 249 | $stmt = $this->pdo->prepare( |
| 250 | "INSERT INTO `{$tableName}` " |
| 251 | . "(`version`, `migration_name`, `executed_at`, `status`, " |
| 252 | . "`execution_time_ms`, `sql_checksum`, `error_message`) " |
| 253 | . "VALUES (:version, :name, {$nowExpr}, :status, :exec_time, :checksum, :error)" |
| 254 | ); |
| 255 | |
| 256 | $stmt->execute([ |
| 257 | ':version' => $version, |
| 258 | ':name' => $name, |
| 259 | ':status' => $status, |
| 260 | ':exec_time' => $executionMs, |
| 261 | ':checksum' => $checksum, |
| 262 | ':error' => $error, |
| 263 | ]); |
| 264 | } |
| 265 | |
| 266 | /** |
| 267 | * Checks if given table exists in active database connection. |
| 268 | */ |
| 269 | private function tableExists(string $tableName): bool |
| 270 | { |
| 271 | $driver = (string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME); |
| 272 | if ($driver === 'sqlite') { |
| 273 | $stmt = $this->pdo->prepare("SELECT 1 FROM sqlite_master WHERE type = 'table' AND name = :t"); |
| 274 | $stmt->execute([':t' => $tableName]); |
| 275 | return $stmt->fetchColumn() !== false; |
| 276 | } |
| 277 | |
| 278 | $stmt = $this->pdo->prepare('SHOW TABLES LIKE :t'); |
| 279 | $stmt->execute([':t' => $tableName]); |
| 280 | return $stmt->fetchColumn() !== false; |
| 281 | } |
| 282 | } |