110 lines
2.2 KiB
PHP
110 lines
2.2 KiB
PHP
<?php
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namespace Illuminate\Support;
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class HigherOrderWhenProxy
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{
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/**
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* The target being conditionally operated on.
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*
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* @var mixed
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*/
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protected $target;
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/**
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* The condition for proxying.
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*
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* @var bool
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*/
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protected $condition;
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/**
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* Indicates whether the proxy has a condition.
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*
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* @var bool
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*/
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protected $hasCondition = false;
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/**
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* Determine whether the condition should be negated.
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*
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* @var bool
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*/
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protected $negateConditionOnCapture;
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/**
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* Create a new proxy instance.
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*
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* @param mixed $target
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* @return void
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*/
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public function __construct($target)
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{
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$this->target = $target;
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}
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/**
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* Set the condition on the proxy.
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*
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* @param bool $condition
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* @return $this
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*/
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public function condition($condition)
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{
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[$this->condition, $this->hasCondition] = [$condition, true];
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return $this;
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}
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/**
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* Indicate that the condition should be negated.
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*
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* @return $this
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*/
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public function negateConditionOnCapture()
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{
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$this->negateConditionOnCapture = true;
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return $this;
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}
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/**
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* Proxy accessing an attribute onto the target.
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*
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* @param string $key
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* @return mixed
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*/
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public function __get($key)
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{
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if (! $this->hasCondition) {
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$condition = $this->target->{$key};
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return $this->condition($this->negateConditionOnCapture ? ! $condition : $condition);
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}
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return $this->condition
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? $this->target->{$key}
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: $this->target;
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}
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/**
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* Proxy a method call on the target.
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*
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* @param string $method
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* @param array $parameters
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* @return mixed
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*/
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public function __call($method, $parameters)
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{
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if (! $this->hasCondition) {
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$condition = $this->target->{$method}(...$parameters);
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return $this->condition($this->negateConditionOnCapture ? ! $condition : $condition);
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}
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return $this->condition
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? $this->target->{$method}(...$parameters)
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: $this->target;
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}
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}
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