54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
<?php namespace System\DB\Query;
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use System\Str;
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class Dynamic {
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/**
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* Add conditions to a query from a dynamic method call.
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*
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* @param string $method
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* @param array $parameters
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* @param Query $query
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* @return Query
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*/
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public static function build($method, $parameters, $query)
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{
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// Strip the "where_" off of the method.
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$finder = substr($method, 6);
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// Split the column names from the connectors.
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$segments = preg_split('/(_and_|_or_)/i', $finder, -1, PREG_SPLIT_DELIM_CAPTURE);
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// The connector variable will determine which connector will be used for the condition.
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// We'll change it as we come across new connectors in the dynamic method string.
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//
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// The index variable helps us get the correct parameter value for the where condition.
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// We increment it each time we add a condition.
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$connector = 'AND';
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$index = 0;
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foreach ($segments as $segment)
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{
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if ($segment != '_and_' and $segment != '_or_')
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{
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if ( ! array_key_exists($index, $parameters))
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{
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throw new \Exception("Wrong number of parameters for dynamic finder [$method].");
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}
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$query->where($segment, '=', $parameters[$index], $connector);
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$index++;
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}
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else
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{
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$connector = trim(strtoupper($segment), '_');
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}
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}
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return $query;
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}
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} |