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<?php
namespace StellarWP\FieldConditions;
use InvalidArgumentException;
use StellarWP\FieldConditions\Concerns\HasLogicalOperator;
use StellarWP\FieldConditions\Contracts\Condition;
/**
* @since 1.0.0
*/
class FieldCondition implements Condition
{
use HasLogicalOperator;
const COMPARISON_OPERATORS = ['=', '!=', '>', '>=', '<', '<=', 'contains', 'not_contains'];
/** @var string */
const TYPE = 'basic';
/** @var string */
protected $field;
/** @var mixed */
protected $value;
/** @var string */
protected $comparisonOperator;
protected $strict = false;
/**
* Create a new FieldCondition.
*
* @since 1.0.0
*
* @param mixed $value
*/
public function __construct(string $field, string $comparisonOperator, $value, string $logicalOperator = 'and')
{
if ($this->isInvalidComparisonOperator($comparisonOperator)) {
throw Config::throwInvalidArgumentException(
"Invalid comparison operator: $comparisonOperator. Must be one of: " . implode(
', ',
self::COMPARISON_OPERATORS
)
);
}
$this->field = $field;
$this->comparisonOperator = $comparisonOperator;
$this->value = $value;
$this->setLogicalOperator($logicalOperator);
}
/**
* @since 1.0.0
*
* @inheritDoc
*/
public function jsonSerialize(): array
{
return [
'type' => static::TYPE,
'field' => $this->field,
'value' => $this->value,
'strictComparison' => $this->strict,
'comparisonOperator' => $this->comparisonOperator,
'logicalOperator' => $this->logicalOperator,
];
}
/**
* @since 1.0.0
*/
public function passes(array $values): bool
{
if (!isset($values[$this->field])) {
throw new InvalidArgumentException("Field {$this->field} not found in test values.");
}
$testValue = $values[$this->field];
if ($this->strict && $this->comparisonOperator !== '!=' && gettype($testValue) !== gettype($this->value)) {
return false;
}
switch ($this->comparisonOperator) {
case '=':
return $testValue == $this->value;
case '!=':
return $this->strict ? $testValue !== $this->value : $testValue != $this->value;
case '>':
return $testValue > $this->value;
case '>=':
return $testValue >= $this->value;
case '<':
return $testValue < $this->value;
case '<=':
return $testValue <= $this->value;
case 'contains':
return ('' == $this->value || false !== strpos($testValue, $this->value));
case 'not_contains':
return ('' == $this->value || false === strpos($testValue, $this->value));
}
}
/**
* @inheritDoc
*/
public function fails(array $values): bool
{
return !$this->passes($values);
}
/**
* Sets the condition to strict mode.
*
* @since 1.1.0
*/
public function strict(bool $strict = true): self
{
$this->strict = $strict;
return $this;
}
/**
* Check if the provided operator is invalid.
*
* @since 1.0.0
*/
protected function isInvalidComparisonOperator(string $operator): bool
{
return !in_array($operator, static::COMPARISON_OPERATORS, true);
}
/**
* Check if the provided boolean is invalid.
*
* @since 1.0.0
*/
protected function isInvalidLogicalOperator(string $operator): bool
{
return !in_array($operator, Condition::LOGICAL_OPERATORS, true);
}
}
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