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Push — env_slave ( 209401 )
by Akihito
10:11
created

ConnectionLocatorFactory::changeHost()   A

↳ Parent: ConnectionLocatorFactory

Complexity

Conditions 2
Paths 2

Size

Total Lines 10
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 4
c 1
b 0
f 0
nc 2
nop 2
dl 0
loc 10
rs 10
1 
<?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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    private function __construct()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public static function newInstance(string $dsn, string $user, string $password, string $slave): ConnectionLocator

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $writes = ['master' => new Connection($dsn, $user, $password)];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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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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