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Normalizace dat

PHP AW

normalizace.php Raw #

<?php 

// 1) single fns ..

$data = [
    '400,22 je super cislo a neobsahuje ani @',
    'Symbol @ je bezvič',
    '@@@ nebo XXX?',
    'Tady nic',
];

$NaNicToNeplati = function() {
    return null;
};

$NumberDashToDot = function($value) {
    if (preg_match('~\d+,\d+~', $value)) {
        return str_replace(',', '.', $value);
    }

    return null;
};

$RemoveZavinac = function($value) {
    if (preg_match('~@~', $value)) {
        return str_replace('@', '', $value);
    }

    return null;
};

$RemoveXXX = function($value) {
    if (preg_match('~X~', $value)) {
        return str_replace('X', 'maleX', $value);
    }

    return null;
};

$filters = [
    'NumberDashToDot' => $NumberDashToDot,
    'NaNicToNeplati' => $NaNicToNeplati,
    'RemoveZavinac' => $RemoveZavinac,
    'RemoveXXX' => $RemoveXXX,
];


 $evaluate = function($data, $filters) {
    $results = [];
    foreach ($data as $value) {
        $origValue = $value;
        $result = [
            'met' => [],
            'notMet' => [],
            'transformations' => [],
            'origValue' => $value,
            'finalValue' => null,
        ];

        foreach ($filters as $fnName => $fnClosure) {
            if ($valueNormalized = $fnClosure($value)) {
                $value = $valueNormalized;
                
                $result['met'][] = $fnName;
                $result['transformations'][$fnName] = $valueNormalized;
            } else {
                $result['notMet'][] = $fnName;
            }
        }

        
        $result['finalValue'] = $value;

        $results[] = $result;
    }

    return $results;

};

$results = $evaluate($data, $filters);

echo "<pre>";
print_r($results);
echo "</pre>";



// OOP
class DataTransformer
{
    private $filters;

    public function __construct(array $filters)
    {
        $this->filters = $filters;
    }

    public function transform(array $data): array
    {
        return array_map(function ($value) {
            $result = [
                'met' => [],
                'notMet' => [],
                'transformations' => [],
                'origValue' => $value,
                'finalValue' => null,
            ];

            foreach ($this->filters as $filter) {
                if ($filter->apply($value)) {
                    $result['met'][] = $filter->getName();
                    $result['transformations'][$filter->getName()] = $value;
                } else {
                    $result['notMet'][] = $filter->getName();
                }
            }

            $result['finalValue'] = $value;

            return $result;
        }, $data);
    }
}

interface FilterInterface
{
    public function apply(string &$value): bool;
    public function getName(): string;
}

class NumberDashToDotFilter implements FilterInterface
{
    public function apply(string &$value): bool
    {
        if (preg_match('~\d+,\d+~', $value)) {
            $value = str_replace(',', '.', $value);
            return true;
        }

        return false;
    }

    public function getName(): string
    {
        return 'NumberDashToDot';
    }
}

class RemoveZavinacFilter implements FilterInterface
{
    public function apply(string &$value): bool
    {
        if (strpos($value, '@') !== false) {
            $value = str_replace('@', '', $value);
            return true;
        }

        return false;
    }

    public function getName(): string
    {
        return 'RemoveZavinac';
    }
}

// Přidat další filtry podle potřeby

$data = [
    '400,22 je super cislo a neobsahuje ani @',
    'Symbol @ je bezvič',
    '@@@ nebo XXX?',
    'Tady nic',
];

$filters = [
    new NumberDashToDotFilter(),
    new RemoveZavinacFilter(),
    // Přidat další filtry podle potřeby
];

$transformer = new DataTransformer($filters);
$results = $transformer->transform($data);

echo "<pre>";
print_r($results);