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RecentNewsWasFound::findLatestDateTimeFromNews()   A

↳ Parent: RecentNewsWasFound

Complexity

Conditions 3
Paths 1

Size

Total Lines 16
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 11
CRAP Score 3

Importance

Changes 0
Metric Value
eloc 9
c 0
b 0
f 0
dl 0
loc 16
ccs 11
cts 11
cp 1
rs 9.9666
cc 3
nc 1
nop 1
crap 3
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Chemaclass\StockTicker\Domain\Notifier\Policy\Condition;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Chemaclass\StockTicker\Domain\Notifier\Policy\PolicyConditionInterface;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Chemaclass\StockTicker\Domain\WriteModel\News;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Chemaclass\StockTicker\Domain\WriteModel\Quote;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class RecentNewsWasFound implements PolicyConditionInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @var array<string,string>

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * For example ['Symbol' => 'datetime']

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private static array $cacheOldestBySymbol = [];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __invoke(Quote $quote): bool

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if (null === $quote->getSymbol()) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            return false;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $current = $this->findLatestDateTimeFromNews($quote);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $previous = self::$cacheOldestBySymbol[$quote->getSymbol()] ?? '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        self::$cacheOldestBySymbol[$quote->getSymbol()] = $current;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $current > $previous;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    private function findLatestDateTimeFromNews(Quote $quote): string

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $reduced = array_reduce(

            


            
                                                                        
                            
            
                                    
            
            

                
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            $quote->getLatestNews(),

            


            
                                                                        
                            
            
                                    
            
            

                
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            static function (?News $carry, News $current): News {

            


            
                                                                        
                            
            
                                    
            
            

                
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                if (null === $carry) {

            


            
                                                                        
                            
            
                                    
            
            

                
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                    return $current;

            


            
                                                                        
                            
            
                                    
            
            

                
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                }

            


            
                                                                        
                            
            
                                    
            
            

                
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                return $carry->getDatetime() > $current->getDatetime()

            


            
                                                                        
                            
            
                                    
            
            

                
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                    ? $carry

            


            
                                                                        
                            
            
                                    
            
            

                
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                    : $current;

            


            
                                                                        
                            
            
                                    
            
            

                
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            }

            


            
                                                                        
                            
            
                                    
            
            

                
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        );

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $reduced->getDatetime() ?? '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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