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<?php |
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/** |
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* This file is part of the miBadger package. |
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* |
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* @author Michael Webbers <[email protected]> |
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* @license http://opensource.org/licenses/Apache-2.0 Apache v2 License |
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*/ |
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namespace miBadger\Query; |
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/** |
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* |
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* @since 2.0.0 |
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*/ |
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class QueryCondition implements QueryExpression |
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{ |
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/* @var string The lhs of the query condition. */ |
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private $leftOperand; |
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/* @var boolean|string|int|array The rhs of the query condition. */ |
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private $rightOperand; |
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/* @var string The binary operator of this condition. */ |
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private $operator; |
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/* @var string|array The binding(s) for the rhs of the condition */ |
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private $binding; |
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/** |
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* Constructs a new Query condition for the supplied operator and operands |
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* @param mixed $left the lhs of the expression (Not escaped!) |
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* @param string $operator the SQL operator |
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* @param mixed $right the rhs of the expression (escaped) |
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*/ |
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public function __construct($left, string $operator, $right) |
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{ |
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$this->leftOperand = $left; |
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$this->operator = $operator; |
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$this->binding = null; |
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switch (strtoupper($operator)) { |
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case '<': |
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case '<=': |
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case '>=': |
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case '>': |
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case '=': |
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case '<>': |
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case 'LIKE': |
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case 'NOT LIKE': |
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case 'IS': |
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case 'IS NOT': |
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if (is_array($right)) { |
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throw new QueryException("Array Unsupported for this operand type"); |
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} |
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$this->rightOperand = $right; |
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break; |
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case 'NOT IN': |
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case 'IN': |
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if (is_string($right)) { |
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$this->rightOperand = explode(', ', $right); |
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} else { |
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$this->rightOperand = $right; |
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} |
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break; |
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default: |
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throw new QueryException(sprintf("Unsupported operator \"%s\"", $operator)); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFlattenedConditions() |
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{ |
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return [$this]; |
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} |
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/** |
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* Adds a binding to the supplied query for these query condition parameters |
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* @param miBadger\Query\Query $query the Query to bind to |
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* @param string $bindingClause The clause to bind to (WHERE, HAVING) |
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*/ |
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public function bind(Query $query, string $bindingClause) |
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{ |
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if (is_array($this->rightOperand)) { |
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$this->binding = $query->addBindings($bindingClause, $this->rightOperand); |
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} else { |
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$this->binding = $query->addBinding($bindingClause, $this->rightOperand); |
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} |
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} |
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public function clearBinding() |
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{ |
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$this->binding = null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __toString() |
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{ |
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if ($this->binding === null) { |
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$rhs = $this->rightOperand; |
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} else { |
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$rhs = $this->binding; |
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} |
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if (is_array($rhs)) { |
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$rhs = sprintf('(%s)', implode(', ', $rhs)); |
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} |
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return sprintf('%s %s %s', $this->leftOperand, $this->operator, $rhs); |
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} |
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} |
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miBadger /
miBadger.Query
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