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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Db; |
| 15 | |
| 16 | /** |
| 17 | * Db class |
| 18 | * |
| 19 | * @category Pop |
| 20 | * @package Pop\Db |
| 21 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 22 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 23 | * @license http://www.popphp.org/license New BSD License |
| 24 | * @version 6.5.0 |
| 25 | */ |
| 26 | class Db |
| 27 | { |
| 28 | |
| 29 | /** |
| 30 | * Database connection(s) |
| 31 | * @var array |
| 32 | */ |
| 33 | protected static array $db = ['default' => null]; |
| 34 | |
| 35 | /** |
| 36 | * Database connection class to table relationship |
| 37 | * @var array |
| 38 | */ |
| 39 | protected static array $classToTable = []; |
| 40 | |
| 41 | /** |
| 42 | * Method to connect to a database and return the database adapter object |
| 43 | * |
| 44 | * @param string $adapter |
| 45 | * @param array $options |
| 46 | * @param string $prefix |
| 47 | * @throws Exception |
| 48 | * @return Adapter\AbstractAdapter |
| 49 | */ |
| 50 | public static function connect(string $adapter, array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\AbstractAdapter |
| 51 | { |
| 52 | $class = $prefix . ucfirst(strtolower($adapter)); |
| 53 | |
| 54 | if (!class_exists($class)) { |
| 55 | throw new Exception('Error: The database adapter ' . $class . ' does not exist.'); |
| 56 | } |
| 57 | |
| 58 | return new $class($options); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Method to connect to a MySQL database and return the MySQL database adapter object |
| 63 | * |
| 64 | * @param array $options |
| 65 | * @param string $prefix |
| 66 | * @throws Exception |
| 67 | * @return Adapter\Mysql|Adapter\AbstractAdapter |
| 68 | */ |
| 69 | public static function mysqlConnect(array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\Mysql|Adapter\AbstractAdapter |
| 70 | { |
| 71 | return self::connect('mysql', $options, $prefix); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Method to connect to a PDO database and return the PDO database adapter object |
| 76 | * |
| 77 | * @param array $options |
| 78 | * @param string $prefix |
| 79 | * @throws Exception |
| 80 | * @return Adapter\Pdo|Adapter\AbstractAdapter |
| 81 | */ |
| 82 | public static function pdoConnect(array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\Pdo|Adapter\AbstractAdapter |
| 83 | { |
| 84 | return self::connect('pdo', $options, $prefix); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Method to connect to a PostgreSQL database and return the PostgreSQL database adapter object |
| 89 | * |
| 90 | * @param array $options |
| 91 | * @param string $prefix |
| 92 | * @throws Exception |
| 93 | * @return Adapter\Pgsql|Adapter\AbstractAdapter |
| 94 | */ |
| 95 | public static function pgsqlConnect(array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\Pgsql|Adapter\AbstractAdapter |
| 96 | { |
| 97 | return self::connect('pgsql', $options, $prefix); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Method to connect to a SQL Server database and return the SQL Server database adapter object |
| 102 | * |
| 103 | * @param array $options |
| 104 | * @param string $prefix |
| 105 | * @throws Exception |
| 106 | * @return Adapter\Sqlsrv|Adapter\AbstractAdapter |
| 107 | */ |
| 108 | public static function sqlsrvConnect(array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\AbstractAdapter|Adapter\Sqlsrv |
| 109 | { |
| 110 | return self::connect('sqlsrv', $options, $prefix); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Method to connect to a SQLite database and return the SQLite database adapter object |
| 115 | * |
| 116 | * @param array $options |
| 117 | * @param string $prefix |
| 118 | * @throws Exception |
| 119 | * @return Adapter\Sqlite|Adapter\AbstractAdapter |
| 120 | */ |
| 121 | public static function sqliteConnect(array $options, string $prefix = '\Pop\Db\Adapter\\'): Adapter\Sqlite|Adapter\AbstractAdapter |
| 122 | { |
| 123 | return self::connect('sqlite', $options, $prefix); |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Check the database connection |
| 128 | * |
| 129 | * @param string $adapter |
| 130 | * @param array $options |
| 131 | * @param string $prefix |
| 132 | * @return mixed |
| 133 | */ |
| 134 | public static function check(string $adapter, array $options, string $prefix = '\Pop\Db\Adapter\\'): mixed |
| 135 | { |
| 136 | $result = true; |
| 137 | $class = $prefix . ucfirst(strtolower($adapter)); |
| 138 | $error = ini_get('error_reporting'); |
| 139 | |
| 140 | error_reporting(E_ERROR); |
| 141 | |
| 142 | try { |
| 143 | if (!class_exists($class)) { |
| 144 | $result = "Error: The database adapter '" . $class . "' does not exist."; |
| 145 | } else { |
| 146 | $db = new $class($options); |
| 147 | } |
| 148 | } catch (\Exception $e) { |
| 149 | $result = $e->getMessage(); |
| 150 | } |
| 151 | |
| 152 | error_reporting($error); |
| 153 | return $result; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Execute SQL |
| 158 | * |
| 159 | * @param string $sql |
| 160 | * @param mixed $adapter |
| 161 | * @param array $options |
| 162 | * @param string $prefix |
| 163 | * @throws Exception |
| 164 | * @return void |
| 165 | */ |
| 166 | public static function executeSql(string $sql, mixed $adapter, array $options = [], string $prefix = '\Pop\Db\Adapter\\'): void |
| 167 | { |
| 168 | if (is_string($adapter)) { |
| 169 | $adapter = ucfirst(strtolower($adapter)); |
| 170 | $class = $prefix . $adapter; |
| 171 | |
| 172 | if (!class_exists($class)) { |
| 173 | throw new Exception('Error: The database adapter ' . $class . ' does not exist.'); |
| 174 | } |
| 175 | |
| 176 | // If Sqlite |
| 177 | if (($adapter == 'Sqlite') || |
| 178 | (($adapter == 'Pdo') && isset($options['type'])) && (strtolower($options['type']) == 'sqlite')) { |
| 179 | if (!file_exists($options['database'])) { |
| 180 | touch($options['database']); |
| 181 | chmod($options['database'], 0777); |
| 182 | } |
| 183 | if (!file_exists($options['database'])) { |
| 184 | throw new Exception('Error: Could not create the database file.'); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | $db = new $class($options); |
| 189 | } else { |
| 190 | $db = $adapter; |
| 191 | } |
| 192 | |
| 193 | $lines = explode("\n", $sql); |
| 194 | $statements = []; |
| 195 | |
| 196 | if (count($lines) > 0) { |
| 197 | // Remove any comments, parse prefix if available |
| 198 | $insideComment = false; |
| 199 | foreach ($lines as $i => $line) { |
| 200 | if (empty($line)) { |
| 201 | unset($lines[$i]); |
| 202 | } else { |
| 203 | if (isset($options['prefix'])) { |
| 204 | $lines[$i] = str_replace('[{prefix}]', $options['prefix'], trim($line)); |
| 205 | } |
| 206 | if ($insideComment) { |
| 207 | if (str_ends_with($line, '*/')) { |
| 208 | $insideComment = false; |
| 209 | } |
| 210 | unset($lines[$i]); |
| 211 | } else { |
| 212 | if ((str_starts_with($line, '-')) || (str_starts_with($line, '#'))) { |
| 213 | unset($lines[$i]); |
| 214 | } else if (str_starts_with($line, '/*')) { |
| 215 | $line = trim($line); |
| 216 | if ((!str_ends_with($line, '*/')) && (!str_ends_with($line, '*/;'))) { |
| 217 | $insideComment = true; |
| 218 | } |
| 219 | unset($lines[$i]); |
| 220 | } else if (strrpos($line, '--') !== false) { |
| 221 | $lines[$i] = substr($line, 0, strrpos($line, '--')); |
| 222 | } else if (strrpos($line, '/*') !== false) { |
| 223 | $lines[$i] = substr($line, 0, strrpos($line, '/*')); |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | $lines = array_values(array_filter($lines)); |
| 230 | $currentStatement = null; |
| 231 | |
| 232 | // Assemble statements based on ; delimiter |
| 233 | foreach ($lines as $i => $line) { |
| 234 | $currentStatement .= ($currentStatement !== null) ? ' ' . $line : $line; |
| 235 | if (str_ends_with($line, ';')) { |
| 236 | $statements[] = $currentStatement; |
| 237 | $currentStatement = null; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | if (!empty($statements)) { |
| 242 | foreach ($statements as $statement) { |
| 243 | if (!empty($statement)) { |
| 244 | $db->query($statement); |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Execute SQL |
| 253 | * |
| 254 | * @param string $sqlFile |
| 255 | * @param mixed $adapter |
| 256 | * @param array $options |
| 257 | * @param string $prefix |
| 258 | * @throws Exception |
| 259 | * @return void |
| 260 | */ |
| 261 | public static function executeSqlFile(string $sqlFile, mixed $adapter, array $options = [], string $prefix = '\Pop\Db\Adapter\\'): void |
| 262 | { |
| 263 | if (!file_exists($sqlFile)) { |
| 264 | throw new Exception("Error: The SQL file '" . $sqlFile . "' does not exist."); |
| 265 | } |
| 266 | |
| 267 | self::executeSql(file_get_contents($sqlFile), $adapter, $options, $prefix); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Get the available database adapters |
| 272 | * |
| 273 | * @return array |
| 274 | */ |
| 275 | public static function getAvailableAdapters(): array |
| 276 | { |
| 277 | $pdoDrivers = (class_exists('Pdo', false)) ? \PDO::getAvailableDrivers() : []; |
| 278 | |
| 279 | return [ |
| 280 | 'mysqli' => (class_exists('mysqli', false)), |
| 281 | 'pdo' => [ |
| 282 | 'mysql' => (in_array('mysql', $pdoDrivers)), |
| 283 | 'pgsql' => (in_array('pgsql', $pdoDrivers)), |
| 284 | 'sqlite' => (in_array('sqlite', $pdoDrivers)), |
| 285 | 'sqlsrv' => (in_array('sqlsrv', $pdoDrivers)) |
| 286 | ], |
| 287 | 'pgsql' => (function_exists('pg_connect')), |
| 288 | 'sqlite' => (class_exists('Sqlite3', false)), |
| 289 | 'sqlsrv' => (function_exists('sqlsrv_connect')) |
| 290 | ]; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Determine if a database adapter is available |
| 295 | * |
| 296 | * @param string $adapter |
| 297 | * @return bool |
| 298 | */ |
| 299 | public static function isAvailable(string $adapter): bool |
| 300 | { |
| 301 | $adapter = strtolower($adapter); |
| 302 | $result = false; |
| 303 | $type = null; |
| 304 | |
| 305 | $pdoDrivers = (class_exists('Pdo', false)) ? \PDO::getAvailableDrivers() : []; |
| 306 | if (str_contains($adapter, 'pdo_')) { |
| 307 | $type = substr($adapter, 4); |
| 308 | $adapter = 'pdo'; |
| 309 | } |
| 310 | |
| 311 | switch ($adapter) { |
| 312 | case 'mysql': |
| 313 | case 'mysqli': |
| 314 | $result = (class_exists('mysqli', false)); |
| 315 | break; |
| 316 | case 'pdo': |
| 317 | $result = (in_array($type, $pdoDrivers)); |
| 318 | break; |
| 319 | case 'pgsql': |
| 320 | $result = (function_exists('pg_connect')); |
| 321 | break; |
| 322 | case 'sqlite': |
| 323 | $result = (class_exists('Sqlite3', false)); |
| 324 | break; |
| 325 | case 'sqlsrv': |
| 326 | $result = (function_exists('sqlsrv_connect')); |
| 327 | break; |
| 328 | } |
| 329 | |
| 330 | return $result; |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Set DB adapter |
| 335 | * |
| 336 | * @param Adapter\AbstractAdapter $db |
| 337 | * @param ?string $class |
| 338 | * @param ?string $prefix |
| 339 | * @param bool $isDefault |
| 340 | * @return void |
| 341 | */ |
| 342 | public static function setDb(Adapter\AbstractAdapter $db, ?string $class = null, ?string $prefix = null, bool $isDefault = false): void |
| 343 | { |
| 344 | if ($prefix !== null) { |
| 345 | self::$db[$prefix] = $db; |
| 346 | } |
| 347 | |
| 348 | if ($class !== null) { |
| 349 | self::$db[$class] = $db; |
| 350 | $record = new $class(); |
| 351 | if ($record instanceof Record) { |
| 352 | self::$classToTable[$class] = $record->getFullTable(); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | if ($isDefault) { |
| 357 | self::$db['default'] = $db; |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Get DB adapter |
| 363 | * |
| 364 | * @param ?string $class |
| 365 | * @throws Exception |
| 366 | * @return Adapter\AbstractAdapter |
| 367 | */ |
| 368 | public static function getDb(?string $class = null): Adapter\AbstractAdapter |
| 369 | { |
| 370 | $dbAdapter = null; |
| 371 | |
| 372 | // Check for database adapter assigned to a full class name |
| 373 | if (($class !== null) && isset(self::$db[$class])) { |
| 374 | $dbAdapter = self::$db[$class]; |
| 375 | // Check for database adapter assigned to a namespace |
| 376 | } else if ($class !== null) { |
| 377 | foreach (self::$db as $prefix => $adapter) { |
| 378 | if (str_starts_with($class, $prefix)) { |
| 379 | $dbAdapter = $adapter; |
| 380 | } |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | // Check if class is actual table name |
| 385 | if (($dbAdapter === null) && ($class !== null) && in_array($class, self::$classToTable)) { |
| 386 | $class = array_search($class, self::$classToTable); |
| 387 | // Direct match |
| 388 | if (isset(self::$db[$class])) { |
| 389 | $dbAdapter = self::$db[$class]; |
| 390 | // Check prefixes |
| 391 | } else { |
| 392 | foreach (self::$db as $prefix => $adapter) { |
| 393 | if (str_starts_with($class, $prefix)) { |
| 394 | $dbAdapter = $adapter; |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | if (($dbAdapter === null) && isset(self::$db['default'])) { |
| 401 | $dbAdapter = self::$db['default']; |
| 402 | } |
| 403 | |
| 404 | if ($dbAdapter === null) { |
| 405 | throw new Exception('No database adapter was found.'); |
| 406 | } |
| 407 | |
| 408 | return $dbAdapter; |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * Check for a DB adapter |
| 413 | * |
| 414 | * @param ?string $class |
| 415 | * @return bool |
| 416 | */ |
| 417 | public static function hasDb(?string $class = null): bool |
| 418 | { |
| 419 | $result = false; |
| 420 | |
| 421 | if (($class !== null) && isset(self::$db[$class])) { |
| 422 | $result = true; |
| 423 | } else if ($class !== null) { |
| 424 | foreach (self::$db as $prefix => $adapter) { |
| 425 | if (str_starts_with($class, $prefix)) { |
| 426 | $result = true; |
| 427 | } |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | if ((!$result) && ($class !== null) && in_array($class, self::$classToTable)) { |
| 432 | $table = array_search($class, self::$classToTable); |
| 433 | if (isset(self::$db[$table])) { |
| 434 | $result = true; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | if ((!$result) && isset(self::$db['default'])) { |
| 439 | $result = true; |
| 440 | } |
| 441 | |
| 442 | return $result; |
| 443 | } |
| 444 | |
| 445 | /** |
| 446 | * Add class-to-table relationship |
| 447 | * |
| 448 | * @param string $class |
| 449 | * @param string $table |
| 450 | * @return void |
| 451 | */ |
| 452 | public static function addClassToTable(string $class, string $table): void |
| 453 | { |
| 454 | self::$classToTable[$class] = $table; |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Check if class-to-table relationship exists |
| 459 | * |
| 460 | * @param string $class |
| 461 | * @return bool |
| 462 | */ |
| 463 | public static function hasClassToTable(string $class): bool |
| 464 | { |
| 465 | return isset(self::$classToTable[$class]); |
| 466 | } |
| 467 | |
| 468 | /** |
| 469 | * Set DB adapter |
| 470 | * |
| 471 | * @param Adapter\AbstractAdapter $db |
| 472 | * @param ?string $class |
| 473 | * @param ?string $prefix |
| 474 | * @return void |
| 475 | */ |
| 476 | public static function setDefaultDb(Adapter\AbstractAdapter $db, ?string $class = null, ?string $prefix = null): void |
| 477 | { |
| 478 | self::setDb($db, $class, $prefix, true); |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * Get DB adapter (alias) |
| 483 | * |
| 484 | * @param ?string $class |
| 485 | * @throws Exception |
| 486 | * @return Adapter\AbstractAdapter |
| 487 | */ |
| 488 | public static function db(?string $class = null): Adapter\AbstractAdapter |
| 489 | { |
| 490 | return self::getDb($class); |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * Get all DB adapters |
| 495 | * |
| 496 | * @return array |
| 497 | */ |
| 498 | public static function getAll(): array |
| 499 | { |
| 500 | return self::$db; |
| 501 | } |
| 502 | |
| 503 | } |