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<?php |
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namespace Muffin\Queries\Snippets; |
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use Muffin\Snippet; |
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use Muffin\Type; |
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use Muffin\Types; |
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use Muffin\Traits\EscaperAware; |
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use Muffin\Types\String; |
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use Muffin\Traits\TypeGuesser; |
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class Values implements Snippet |
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{ |
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use |
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EscaperAware, |
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TypeGuesser; |
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private |
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$values; |
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public function __construct($values = null) |
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{ |
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$this->values = array(); |
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if(! empty($values)) |
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{ |
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$this->values($values); |
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} |
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} |
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public function values(array $values) |
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{ |
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$this->values[] = $values; |
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return $this; |
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} |
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public function toString() |
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{ |
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if(empty($this->values)) |
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{ |
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throw new \RuntimeException('No values to insert'); |
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} |
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$columnsNameList = array_filter(array_keys(reset($this->values))); |
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$values = array(); |
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foreach($this->values as $valuesSet) |
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{ |
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if($columnsNameList !== array_keys($valuesSet)) |
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{ |
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throw new \RuntimeException('Cannot insert different schema on the same table.'); |
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} |
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$values[] = $this->buildValuesSetString($valuesSet); |
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} |
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return sprintf( |
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'%s VALUES %s', |
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$this->wrapWithParentheses(implode(', ', $columnsNameList)), |
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implode(', ', $values) |
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); |
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} |
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private function buildValuesSetString(array $values) |
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{ |
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$valuesSet = array(); |
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foreach($values as $columnName => $value) |
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{ |
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if(! empty($columnName)) |
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{ |
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$type = $this->guessType($columnName, $value); |
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$valuesSet[] = $this->formatValue($type, $value); |
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} |
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} |
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return $this->wrapWithParentheses(implode(', ', $valuesSet)); |
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} |
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private function formatValue(Type $type, $value) |
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{ |
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if(is_null($value)) |
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{ |
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return 'NULL'; |
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} |
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return $this->escapeValue($type, $value); |
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} |
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View Code Duplication |
private function escapeValue(Type $type, $value) |
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{ |
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$value = $type->format($value); |
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if($type->isEscapeRequired()) |
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{ |
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$value = $this->escaper->escape($value); |
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} |
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return $value; |
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} |
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private function wrapWithParentheses($value) |
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{ |
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return sprintf('(%s)', $value); |
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} |
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} |
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lebris /
muffin
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