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ConnectionLocatorFactory::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 2
Code Lines 0

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 0
c 1
b 0
f 0
nc 1
nop 0
dl 0
loc 2
rs 10
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<?php
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declare(strict_types=1);
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namespace Ray\AuraSqlModule;
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use Aura\Sql\ConnectionLocator;
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use function explode;
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use function preg_match;
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use function sprintf;
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final class ConnectionLocatorFactory
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{
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    /**
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     * @codeCoverageIgnore
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     */
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    private function __construct()
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    {
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    }
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    /**
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     * @param array<string> $options
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     * @param array<string> $queries
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     */
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    public static function fromInstance(
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        string $dsn,
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        string $user,
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        string $password,
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        string $slave,
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        array $options,
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        array $queries
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    ): ConnectionLocator {
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        $writes = ['master' => new Connection($dsn, $user, $password, $options, $queries)];
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        $i = 1;
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        $slaves = explode(',', $slave);
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        $reads = [];
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        foreach ($slaves as $host) {
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            $slaveDsn = self::changeHost($dsn, $host);
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            $name = 'slave' . (string) $i++;
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            $reads[$name] = new Connection($slaveDsn, $user, $password, $options, $queries);
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        }
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        return new ConnectionLocator(null, $reads, $writes);
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    }
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    /**
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     * @param array<string> $options
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     * @param array<string> $queries
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     */
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    public static function fromEnv(
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        string $dsn,
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        string $username,
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        string $password,
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        string $slave,
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        array $options,
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        array $queries
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    ): ConnectionLocator {
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        $writes = ['master' => new EnvConnection($dsn, null, $username, $password, $options, $queries)];
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        $reads = ['slave' => new EnvConnection($dsn, $slave, $username, $password, $options, $queries)];
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        return new ConnectionLocator(null, $reads, $writes);
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    }
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    private static function changeHost(string $dsn, string $host): string
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    {
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        preg_match(AuraSqlModule::PARSE_PDO_DSN_REGEX, $dsn, $parts);
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        if (! $parts) {
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            // @codeCoverageIgnoreStart
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            return $dsn;
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            // @codeCoverageIgnoreEnd
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        }
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        return sprintf('%s:%s=%s;%s', $parts[1], $parts[2], $host, $parts[3]);
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    }
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}
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