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<?php |
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namespace Tuum\Form\Data; |
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use Traversable; |
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/** |
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* Class Message |
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* |
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* @package Tuum\View\Values |
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*/ |
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class Message implements \IteratorAggregate |
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{ |
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const MESSAGE = 'message'; |
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const ALERT = 'alert'; |
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const ERROR = 'error'; |
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/** |
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* @var array |
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*/ |
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protected $messages = []; |
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public $formats = [ |
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self::MESSAGE => '<div class="alert alert-success">%s</div>', |
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self::ALERT => '<div class="alert alert-info">%s</div>', |
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self::ERROR => '<div class="alert alert-danger">%s</div>', |
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]; |
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/** |
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* @param array $data |
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*/ |
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private function __construct($data = []) |
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{ |
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$this->messages = $data; |
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} |
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/** |
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* @param array $data |
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* @return Message |
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*/ |
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public static function forge($data) |
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{ |
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return new self($data); |
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} |
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/** |
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* @param string $message |
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* @param string $type |
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*/ |
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public function add($message, $type = self::MESSAGE) |
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{ |
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$this->messages[] = ['message' => $message, 'type' => $type]; |
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} |
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/** |
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* @param array $msg |
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* @return string |
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*/ |
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private function show($msg) |
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{ |
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$type = isset($msg['type']) ? $msg['type'] : self::MESSAGE; |
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$format = isset($this->formats[$type]) ? $this->formats[$type] : $this->formats[self::MESSAGE]; |
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return sprintf($format, $msg['message']); |
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} |
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/** |
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* show the most severe message only once. |
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* |
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* @return string |
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*/ |
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public function onlyOne() |
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{ |
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$serious = $this->findMostSerious(); |
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if (!empty($serious)) { |
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return $this->show($serious); |
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} |
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return ''; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function findMostSerious() |
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{ |
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$msgScores = [ |
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self::ERROR => 3, |
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self::ALERT => 2, |
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self::MESSAGE => 1, |
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]; |
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$serious = array_reduce( |
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$this->messages, |
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function ($carry, $msg) use ($msgScores) { |
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$myScore = $msgScores[$msg['type']]; |
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$msg['score'] = $myScore; |
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return $myScore > $carry['score'] ? $msg : $carry; |
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}, |
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['message' => false, 'type' => self::MESSAGE, 'score' => 0]); |
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if ($serious && $serious['message']) { |
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return $serious; |
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} |
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return []; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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$html = ''; |
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foreach ($this->messages as $msg) { |
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$html .= $this->show($msg); |
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} |
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return $html; |
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} |
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/** |
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* Retrieve an external iterator |
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* |
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* @return Traversable|string[] |
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*/ |
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public function getIterator() |
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{ |
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foreach($this->messages as $message) { |
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yield $message['type'] => $message['message']; |
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} |
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} |
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} |
TuumPHP /
Form
