46 lines
1.2 KiB
PHP
46 lines
1.2 KiB
PHP
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<?php namespace TomLingham\Searchy\Matchers;
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/**
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* Matches strings that include all the characters in the search relatively position within the string.
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* It also calculates the percentage of characters in the string that are matched and applies the multiplier accordingly.
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*
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* For Example, a search for 'fba' would match; 'Foo Bar' or 'Afraid of bats'
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*
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* Class ConsecutiveCharactersMatcher
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* @package TomLingham\Searchy\Matchers
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*/
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class ConsecutiveCharactersMatcher extends BaseMatcher
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{
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/**
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* @var string
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*/
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protected $operator = 'LIKE';
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/**
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* @var int
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*/
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protected $multiplier = 40;
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/**
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* @param $searchString
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* @return string
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*/
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public function formatSearchString( $searchString ) {
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return '%'.implode('%', str_split( $searchString )).'%';
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}
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/**
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* @param $column
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* @param $rawString
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* @return mixed|string
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*/
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public function buildQueryString( $column, $rawString ){
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$searchString = $this->formatSearchString( $rawString );
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$query = "IF($column {$this->operator} '$searchString', ROUND({$this->multiplier} * (CHAR_LENGTH( '$rawString' ) / CHAR_LENGTH( REPLACE($column, ' ', '') ))), 0)";
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return $query;
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}
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}
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