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<?php
namespace Webkul\Automation\Helpers;
class Validator
{
/**
* Validate workflow for condition
*
* @param \Webkul\Automation\Contracts\Workflow $workflow
* @param mixed $entity
* @return bool
*/
public function validate($workflow, $entity)
{
if (! $workflow->conditions) {
return true;
}
$validConditionCount = $totalConditionCount = 0;
foreach ($workflow->conditions as $condition) {
if (! $condition['attribute']
|| ! isset($condition['value'])
|| is_null($condition['value'])
|| $condition['value'] == ''
) {
continue;
}
$totalConditionCount++;
if ($workflow->condition_type == 'and') {
if (! $this->validateEntity($condition, $entity)) {
return false;
} else {
$validConditionCount++;
}
} else {
if ($this->validateEntity($condition, $entity)) {
return true;
}
}
}
return $validConditionCount == $totalConditionCount ? true : false;
}
/**
* Validate object
*
* @param array $condition
* @param mixed $entity
* @return bool
*/
private function validateEntity($condition, $entity)
{
return $this->validateAttribute(
$condition,
$this->getAttributeValue($condition, $entity)
);
}
/**
* Return value for the attribute
*
* @param array $condition
* @param mixed $entity
* @return bool
*/
public function getAttributeValue($condition, $entity)
{
$value = $entity->{$condition['attribute']};
if (! in_array($condition['attribute_type'], ['multiselect', 'checkbox'])) {
return $value;
}
return $value ? explode(',', $value) : [];
}
/**
* Validate attribute value for condition
*
* @param array $condition
* @param mixed $attributeValue
* @return bool
*/
public function validateAttribute($condition, $attributeValue)
{
switch ($condition['operator']) {
case '==': case '!=':
if (is_array($condition['value'])) {
if (! is_array($attributeValue)) {
return false;
}
$result = ! empty(array_intersect($condition['value'], $attributeValue));
} elseif (is_object($attributeValue)) {
$result = $attributeValue->value == $condition['value'];
} else {
if (is_array($attributeValue)) {
$result = count($attributeValue) == 1 && array_shift($attributeValue) == $condition['value'];
} else {
$result = $attributeValue == $condition['value'];
}
}
break;
case '<=': case '>':
if (! is_scalar($attributeValue)) {
return false;
}
$result = $attributeValue <= $condition['value'];
break;
case '>=': case '<':
if (! is_scalar($attributeValue)) {
return false;
}
$result = $attributeValue >= $condition['value'];
break;
case '{}': case '!{}':
if (is_scalar($attributeValue) && is_array($condition['value'])) {
foreach ($condition['value'] as $item) {
if (stripos($attributeValue, $item) !== false) {
$result = true;
break;
}
}
} elseif (is_array($condition['value'])) {
if (! is_array($attributeValue)) {
return false;
}
$result = ! empty(array_intersect($condition['value'], $attributeValue));
} else {
if (is_array($attributeValue)) {
$result = self::validateArrayValues($attributeValue, $condition['value']);
} else {
$result = strpos($attributeValue, $condition['value']) !== false;
}
}
break;
}
if (in_array($condition['operator'], ['!=', '>', '<', '!{}'])) {
$result = ! $result;
}
return $result;
}
/**
* Validate the condition value against a multi dimensional array recursively
*/
private static function validateArrayValues(array $attributeValue, string $conditionValue): bool
{
if (in_array($conditionValue, $attributeValue, true) === true) {
return true;
}
foreach ($attributeValue as $subValue) {
if (! is_array($subValue)) {
continue;
}
if (self::validateArrayValues($subValue, $conditionValue) === true) {
return true;
}
}
return false;
}
}
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