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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celema\Quma; |
| 6 | |
| 7 | use PDO; |
| 8 | use RuntimeException; |
| 9 | use ValueError; |
| 10 | |
| 11 | /** |
| 12 | * @api |
| 13 | * |
| 14 | * @psalm-type SqlDirs = list<non-empty-string> |
| 15 | * @psalm-type SqlAssoc = array<non-empty-string, non-empty-string|list<non-empty-string>> |
| 16 | * @psalm-type SqlMixed = list<non-empty-string|SqlAssoc> |
| 17 | * @psalm-type SqlConfig = non-empty-string|SqlAssoc|SqlMixed |
| 18 | * @psalm-type MigrationDirsFlat = list<non-empty-string> |
| 19 | * @psalm-type MigrationDirsNamespaced = array<non-empty-string, non-empty-string|list<non-empty-string>> |
| 20 | * @psalm-type MigrationDirs = MigrationDirsFlat|MigrationDirsNamespaced |
| 21 | * @psalm-type PlaceholderMap = array<non-empty-string, string> |
| 22 | * @psalm-type PlaceholderConfig = array<non-empty-string, PlaceholderMap> |
| 23 | */ |
| 24 | final class Config |
| 25 | { |
| 26 | /** @var non-empty-string */ |
| 27 | public readonly string $driver; |
| 28 | |
| 29 | /** @psalm-var SqlDirs */ |
| 30 | public private(set) array $sql; |
| 31 | |
| 32 | /** @psalm-var MigrationDirs */ |
| 33 | public private(set) array $migrations = []; |
| 34 | |
| 35 | public private(set) PdoConfig $pdo; |
| 36 | public private(set) ?Placeholders $placeholders = null; |
| 37 | |
| 38 | public private(set) string $migrationsTable = 'migrations'; |
| 39 | public private(set) string $migrationsColumnMigration = 'migration'; |
| 40 | public private(set) string $migrationsColumnApplied = 'applied'; |
| 41 | |
| 42 | /** Seconds a connection may be idle before it is pinged on reuse; 0 never pings. */ |
| 43 | public private(set) int $pingAfterIdle = 60; |
| 44 | |
| 45 | /** Seconds after which a connection is replaced on reuse; 0 keeps it. */ |
| 46 | public private(set) int $maxConnectionAge = 0; |
| 47 | |
| 48 | /** @psalm-param SqlConfig $sql */ |
| 49 | public function __construct( |
| 50 | public readonly string $dsn, |
| 51 | string|array $sql, |
| 52 | ) { |
| 53 | $this->driver = $this->readDriver($this->dsn); |
| 54 | $this->sql = $this->readFlatDirs($sql); |
| 55 | $this->pdo = new PdoConfig(); |
| 56 | } |
| 57 | |
| 58 | public function setCredentials( |
| 59 | string $username, |
| 60 | #[\SensitiveParameter] |
| 61 | ?string $password = null, |
| 62 | ): void { |
| 63 | $this->pdo = $this->pdo->credentials($username, $password); |
| 64 | } |
| 65 | |
| 66 | /** @param array<array-key, mixed> $options */ |
| 67 | public function setPdoOptions(array $options): void |
| 68 | { |
| 69 | $this->pdo = $this->pdo->options($options); |
| 70 | } |
| 71 | |
| 72 | public function setPdoOption(int $attribute, mixed $value): void |
| 73 | { |
| 74 | $this->pdo = $this->pdo->option($attribute, $value); |
| 75 | } |
| 76 | |
| 77 | public function setFetchMode(int $fetchMode): void |
| 78 | { |
| 79 | $this->pdo = $this->pdo->fetch($fetchMode); |
| 80 | } |
| 81 | |
| 82 | public function setPingAfterIdle(int $seconds): void |
| 83 | { |
| 84 | $this->pingAfterIdle = self::seconds($seconds, 'pingAfterIdle'); |
| 85 | } |
| 86 | |
| 87 | public function setMaxConnectionAge(int $seconds): void |
| 88 | { |
| 89 | $this->maxConnectionAge = self::seconds($seconds, 'maxConnectionAge'); |
| 90 | } |
| 91 | |
| 92 | private static function seconds(int $seconds, string $setting): int |
| 93 | { |
| 94 | if ($seconds < 0) { |
| 95 | throw new ValueError("{$setting} must be a number of seconds, 0 to disable it: {$seconds}"); |
| 96 | } |
| 97 | |
| 98 | return $seconds; |
| 99 | } |
| 100 | |
| 101 | /** @psalm-param PlaceholderConfig $placeholders */ |
| 102 | public function setPlaceholders(Delimiters $delimiters, array $placeholders): void |
| 103 | { |
| 104 | $this->placeholders = new Placeholders($this->driver, $placeholders, $delimiters); |
| 105 | } |
| 106 | |
| 107 | /** @psalm-param SqlConfig $sql */ |
| 108 | public function addSqlDirs(array|string $sql): void |
| 109 | { |
| 110 | $dirs = $this->readFlatDirs($sql); |
| 111 | $this->sql = array_merge($dirs, $this->sql); |
| 112 | } |
| 113 | |
| 114 | /** @psalm-param SqlConfig $migrations */ |
| 115 | public function setMigrations(array|string $migrations): void |
| 116 | { |
| 117 | $this->migrations = $this->readMigrationDirs($migrations); |
| 118 | } |
| 119 | |
| 120 | /** @param non-empty-string $migrations */ |
| 121 | public function addMigrationDir(string $migrations): void |
| 122 | { |
| 123 | if (!array_is_list($this->migrations)) { |
| 124 | throw new ValueError( |
| 125 | 'Cannot add a flat migration directory when migrations are namespaced. Use migrationNamespace().', |
| 126 | ); |
| 127 | } |
| 128 | |
| 129 | $dirs = $this->readFlatDirs($migrations); |
| 130 | $this->migrations = array_merge($dirs, $this->migrations); |
| 131 | } |
| 132 | |
| 133 | /** @psalm-param SqlConfig $dirs */ |
| 134 | public function setMigrationNamespace(string $namespace, string|array $dirs): void |
| 135 | { |
| 136 | if ($namespace === '') { |
| 137 | throw new ValueError('Migration namespace must not be empty.'); |
| 138 | } |
| 139 | |
| 140 | if (array_is_list($this->migrations) && count($this->migrations) > 0) { |
| 141 | throw new ValueError( |
| 142 | 'Cannot add a namespaced migration directory when migrations are configured as a flat list.', |
| 143 | ); |
| 144 | } |
| 145 | |
| 146 | /** @psalm-var MigrationDirsNamespaced $migrations */ |
| 147 | $migrations = array_is_list($this->migrations) ? [] : $this->migrations; |
| 148 | $migrations[$namespace] = is_string($dirs) |
| 149 | ? $this->preparePath($dirs) |
| 150 | : $this->readDirsEntry($dirs); |
| 151 | $this->migrations = $migrations; |
| 152 | } |
| 153 | |
| 154 | public function setMigrationsTable(string $table): void |
| 155 | { |
| 156 | $this->migrationsTable = $this->getMigrationsTableName($table); |
| 157 | } |
| 158 | |
| 159 | public function setMigrationsColumnMigration(string $column): void |
| 160 | { |
| 161 | $this->migrationsColumnMigration = $this->getColumnName($column); |
| 162 | } |
| 163 | |
| 164 | public function setMigrationsColumnApplied(string $column): void |
| 165 | { |
| 166 | $this->migrationsColumnApplied = $this->getColumnName($column); |
| 167 | } |
| 168 | |
| 169 | /** @return non-empty-string */ |
| 170 | private function preparePath(string $path): string |
| 171 | { |
| 172 | $result = realpath($path); |
| 173 | |
| 174 | if ($result !== false && $result !== '') { |
| 175 | return $result; |
| 176 | } |
| 177 | |
| 178 | throw new ValueError("Path does not exist: {$path}"); |
| 179 | } |
| 180 | |
| 181 | /** @return non-empty-string */ |
| 182 | private function readDriver(string $dsn): string |
| 183 | { |
| 184 | $driver = explode(':', $dsn)[0]; |
| 185 | |
| 186 | if (in_array($driver, PDO::getAvailableDrivers(), strict: true)) { |
| 187 | assert($driver !== '', 'PDO driver name must not be empty.'); |
| 188 | |
| 189 | return $driver; |
| 190 | } |
| 191 | |
| 192 | throw new RuntimeException('PDO driver not supported: ' . $driver); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Reads directories from configuration into a flat list. |
| 197 | * |
| 198 | * @psalm-param SqlConfig $config |
| 199 | * |
| 200 | * @return list<non-empty-string> |
| 201 | */ |
| 202 | private function readFlatDirs(string|array $config): array |
| 203 | { |
| 204 | if (is_string($config)) { |
| 205 | return [$this->preparePath($config)]; |
| 206 | } |
| 207 | |
| 208 | if (Util::isAssoc($config)) { |
| 209 | return $this->readAssocDirs($config); |
| 210 | } |
| 211 | |
| 212 | $dirs = []; |
| 213 | |
| 214 | foreach ($config as $entry) { |
| 215 | if (is_string($entry)) { |
| 216 | array_unshift($dirs, $this->preparePath($entry)); |
| 217 | |
| 218 | continue; |
| 219 | } |
| 220 | |
| 221 | if (array_is_list($entry)) { |
| 222 | foreach ($entry as $path) { |
| 223 | if (!is_string($path)) { |
| 224 | continue; |
| 225 | } |
| 226 | |
| 227 | array_unshift($dirs, $this->preparePath($path)); |
| 228 | } |
| 229 | |
| 230 | continue; |
| 231 | } |
| 232 | |
| 233 | $dirs = array_merge($this->readAssocDirs($entry), $dirs); |
| 234 | } |
| 235 | |
| 236 | return $dirs; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Reads directories from an associative array config. |
| 241 | * |
| 242 | * @param array<array-key, mixed> $entry |
| 243 | * |
| 244 | * @return list<non-empty-string> |
| 245 | */ |
| 246 | private function readAssocDirs(array $entry): array |
| 247 | { |
| 248 | $dirs = array_key_exists($this->driver, $entry) ? $this->readDirsEntry($entry[$this->driver]) : []; |
| 249 | |
| 250 | if (array_key_exists('all', $entry)) { |
| 251 | $dirs = array_merge($dirs, $this->readDirsEntry($entry['all'])); |
| 252 | } |
| 253 | |
| 254 | return $dirs; |
| 255 | } |
| 256 | |
| 257 | /** @return list<non-empty-string> */ |
| 258 | private function readDirsEntry(mixed $entry): array |
| 259 | { |
| 260 | if (is_string($entry)) { |
| 261 | return [$this->preparePath($entry)]; |
| 262 | } |
| 263 | |
| 264 | if (!is_array($entry)) { |
| 265 | return []; |
| 266 | } |
| 267 | |
| 268 | $dirs = []; |
| 269 | |
| 270 | array_walk( |
| 271 | $entry, |
| 272 | function (mixed $value) use (&$dirs): void { |
| 273 | if (is_string($value)) { |
| 274 | $dirs[] = $this->preparePath($value); |
| 275 | |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | if (!is_array($value)) { |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | if (Util::isAssoc($value)) { |
| 284 | $dirs = array_merge($dirs, $this->readAssocDirs($value)); |
| 285 | |
| 286 | return; |
| 287 | } |
| 288 | |
| 289 | array_walk( |
| 290 | $value, |
| 291 | function (mixed $path) use (&$dirs): void { |
| 292 | if (is_string($path)) { |
| 293 | $dirs[] = $this->preparePath($path); |
| 294 | } |
| 295 | }, |
| 296 | ); |
| 297 | }, |
| 298 | ); |
| 299 | |
| 300 | return $dirs; |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Reads migration directories from configuration. |
| 305 | * |
| 306 | * Migrations can be configured as: |
| 307 | * - A flat list of directories |
| 308 | * - A namespaced structure with string keys mapping to directories |
| 309 | * |
| 310 | * @psalm-param SqlConfig $config |
| 311 | * |
| 312 | * @psalm-return MigrationDirs |
| 313 | */ |
| 314 | private function readMigrationDirs(string|array $config): array |
| 315 | { |
| 316 | if (is_string($config)) { |
| 317 | return [$this->preparePath($config)]; |
| 318 | } |
| 319 | |
| 320 | if (Util::isAssoc($config) && !$this->isDriverConfig($config)) { |
| 321 | return $this->readNamespacedDirs($config); |
| 322 | } |
| 323 | |
| 324 | return $this->readFlatDirs($config); |
| 325 | } |
| 326 | |
| 327 | /** @param array<array-key, mixed> $config */ |
| 328 | private function isDriverConfig(array $config): bool |
| 329 | { |
| 330 | return array_key_exists($this->driver, $config) || array_key_exists('all', $config); |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Reads namespaced migration directories. |
| 335 | * |
| 336 | * @param array<array-key, mixed> $config |
| 337 | * |
| 338 | * @psalm-return MigrationDirsNamespaced |
| 339 | */ |
| 340 | private function readNamespacedDirs(array $config): array |
| 341 | { |
| 342 | $result = []; |
| 343 | |
| 344 | array_walk( |
| 345 | $config, |
| 346 | function (mixed $dirs, int|string $namespace) use (&$result): void { |
| 347 | if (!is_string($namespace) || $namespace === '') { |
| 348 | return; |
| 349 | } |
| 350 | |
| 351 | if (is_string($dirs)) { |
| 352 | $result[$namespace] = $this->preparePath($dirs); |
| 353 | |
| 354 | return; |
| 355 | } |
| 356 | |
| 357 | if (!is_array($dirs)) { |
| 358 | return; |
| 359 | } |
| 360 | |
| 361 | $result[$namespace] = $this->readDirsEntry($dirs); |
| 362 | }, |
| 363 | ); |
| 364 | |
| 365 | return $result; |
| 366 | } |
| 367 | |
| 368 | private function getMigrationsTableName(string $table): string |
| 369 | { |
| 370 | if ($this->driver === 'pgsql') { |
| 371 | if (preg_match('/^([a-zA-Z0-9_]+\.)?[a-zA-Z0-9_]+$/', $table)) { |
| 372 | return $table; |
| 373 | } |
| 374 | } elseif (preg_match('/^[a-zA-Z0-9_]+$/', $table)) { |
| 375 | return $table; |
| 376 | } |
| 377 | |
| 378 | throw new ValueError('Invalid migrations table name: ' . $table); |
| 379 | } |
| 380 | |
| 381 | private function getColumnName(string $column): string |
| 382 | { |
| 383 | if (preg_match('/^[a-zA-Z0-9_]+$/', $column)) { |
| 384 | return $column; |
| 385 | } |
| 386 | |
| 387 | throw new ValueError('Invalid migrations table column name: ' . $column); |
| 388 | } |
| 389 | } |