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Arsse/lib/Db/PostgreSQL/Driver.php
2018-11-16 21:20:54 -05:00

143 lines
4.2 KiB
PHP

<?php
/** @license MIT
* Copyright 2017 J. King, Dustin Wilson et al.
* See LICENSE and AUTHORS files for details */
declare(strict_types=1);
namespace JKingWeb\Arsse\Db\PostgreSQL;
use JKingWeb\Arsse\Arsse;
use JKingWeb\Arsse\Conf;
use JKingWeb\Arsse\Db\Exception;
use JKingWeb\Arsse\Db\ExceptionInput;
use JKingWeb\Arsse\Db\ExceptionTimeout;
class Driver extends \JKingWeb\Arsse\Db\AbstractDriver {
public function __construct(string $user = null, string $pass = null, string $db = null, string $host = null, int $port = null, string $schema = null, string $service = null) {
// check to make sure required extension is loaded
if (!static::requirementsMet()) {
throw new Exception("extMissing", self::driverName()); // @codeCoverageIgnore
}
$user = $user ?? Arsse::$conf->dbPostgreSQLUser;
$pass = $pass ?? Arsse::$conf->dbPostgreSQLPass;
$db = $db ?? Arsse::$conf->dbPostgreSQLDb;
$host = $host ?? Arsse::$conf->dbPostgreSQLHost;
$port = $port ?? Arsse::$conf->dbPostgreSQLPort;
$schema = $schema ?? Arsse::$conf->dbPostgreSQLSchema;
$service = $service ?? Arsse::$conf->dbPostgreSQLService;
$this->makeConnection($user, $pass, $db, $host, $port, $service);
}
public static function requirementsMet(): bool {
// stub: native interface is not yet supported
return false;
}
protected function makeConnection(string $user, string $pass, string $db, string $host, int $port) {
// stub: native interface is not yet supported
throw new \Exception;
}
public static function makeConnectionString(bool $pdo, string $user, string $pass, string $db, string $host, int $port, string $service): string {
$base = [
'client_encoding' => "UTF8",
'application_name' => "arsse",
];
$out = [];
if ($service != "") {
$out['service'] = $service;
} else {
if ($host != "") {
$out['host'] = $host;
}
if ($port != 5432 && !($host != "" && $host[0] == "/")) {
$out['port'] = (string) $port;
}
if ($db != "") {
$out['dbname'] = $db;
}
if (!$pdo) {
$out['user'] = $user;
if ($pass != "") {
$out['password'] = $pass;
}
}
}
ksort($out);
ksort($base);
$out = array_merge($out, $base);
$out = array_map(function($v, $k) {
return "$k='".str_replace("'", "\\'", str_replace("\\", "\\\\", $v))."'";
}, $out, array_keys($out));
return implode(" ", $out);
}
public function __destruct() {
}
/** @codeCoverageIgnore */
public static function create(): \JKingWeb\Arsse\Db\Driver {
if (self::requirementsMet()) {
return new self;
} elseif (PDODriver::requirementsMet()) {
return new PDODriver;
} else {
throw new Exception("extMissing", self::driverName());
}
}
public static function driverName(): string {
return Arsse::$lang->msg("Driver.Db.PostgreSQL.Name");
}
public static function schemaID(): string {
return "PostgreSQL";
}
public function schemaVersion(): int {
// stub
return 0;
}
public function schemaUpdate(int $to, string $basePath = null): bool {
// stub
return false;
}
public function charsetAcceptable(): bool {
// stub
return true;
}
protected function getError(): string {
// stub
return "";
}
public function exec(string $query): bool {
// stub
return true;
}
public function query(string $query): \JKingWeb\Arsse\Db\Result {
// stub
return new ResultEmpty;
}
public function prepareArray(string $query, array $paramTypes): \JKingWeb\Arsse\Db\Statement {
// stub
return new Statement($this->db, $s, $paramTypes);
}
protected function lock(): bool {
// stub
return true;
}
protected function unlock(bool $rollback = false): bool {
// stub
return true;
}
}