CRM/Core/TokenTrait.php

   1 <?php
   2
   3 trait CRM_Core_TokenTrait {
   4
   5   private $basicTokens;
   6   private $customFieldTokens;
   7
   8   /**
   9    * CRM_Entity_Tokens constructor.
  10    */
  11   public function __construct() {
  12     parent::__construct($this->getEntityName(), array_merge(
  13       $this->getBasicTokens(),
  14       $this->getCustomFieldTokens()
  15     ));
  16   }
  17
  18   /**
  19    * @inheritDoc
  20    */
  21   public function checkActive(\Civi\Token\TokenProcessor $processor) {
  22     return in_array($this->getEntityIDFieldName(), $processor->context['schema'], TRUE) ||
  23       (!empty($processor->context['actionMapping'])
  24         && $processor->context['actionMapping']->getEntity() === $this->getEntityTableName());
  25   }
  26
  27   /**
  28    * @inheritDoc
  29    */
  30   public function getActiveTokens(\Civi\Token\Event\TokenValueEvent $e) {
  31     $messageTokens = $e->getTokenProcessor()->getMessageTokens();
  32     if (!isset($messageTokens[$this->entity])) {
  33       return NULL;
  34     }
  35
  36     $activeTokens = [];
  37     // if message token contains '_\d+_', then treat as '_N_'
  38     foreach ($messageTokens[$this->entity] as $msgToken) {
  39       if (array_key_exists($msgToken, $this->tokenNames)) {
  40         $activeTokens[] = $msgToken;
  41       }
  42       else {
  43         $altToken = preg_replace('/_\d+_/', '_N_', $msgToken);
  44         if (array_key_exists($altToken, $this->tokenNames)) {
  45           $activeTokens[] = $msgToken;
  46         }
  47       }
  48     }
  49     return array_unique($activeTokens);
  50   }
  51
  52   /**
  53    * Find the fields that we need to get to construct the tokens requested.
  54    *
  55    * @param  array $tokens list of tokens
  56    * @return array         list of fields needed to generate those tokens
  57    */
  58   public function getReturnFields($tokens) {
  59     // Make sure we always return something
  60     $fields = ['id'];
  61
  62     foreach (array_intersect($tokens,
  63       array_merge(array_keys(self::getBasicTokens()), array_keys(self::getCustomFieldTokens()))
  64              ) as $token) {
  65       if (isset(self::$fieldMapping[$token])) {
  66         $fields = array_merge($fields, self::$fieldMapping[$token]);
  67       }
  68       else {
  69         $fields[] = $token;
  70       }
  71     }
  72     return array_unique($fields);
  73   }
  74
  75   /**
  76    * Get the tokens for custom fields
  77    * @return array token name => token label
  78    */
  79   protected function getCustomFieldTokens() {
  80     if (!isset($this->customFieldTokens)) {
  81       $this->customFieldTokens = \CRM_Utils_Token::getCustomFieldTokens(ucfirst($this->getEntityName()));
  82     }
  83     return $this->customFieldTokens;
  84   }
  85
  86 }