ActionTokens.php 4.9 KB
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<?php

/*
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 | CiviCRM version 5                                                  |
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 | Copyright CiviCRM LLC (c) 2004-2019                                |
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 | This file is a part of CiviCRM.                                    |
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 | CiviCRM is free software; you can copy, modify, and distribute it  |
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 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
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 */

/**
 * Class CRM_Mailing_ActionTokens
 *
 * Generate "action.*" tokens for mailings.
 *
 * To activate these tokens, the TokenProcessor context must specify:
 * "mailingJobId" (int)
 * "mailingActionTarget" (array) with keys:
 *   'id' => int, event queue ID
 *   'hash' => string, event queue hash code
 *   'contact_id' => int, contact_id,
 *   'email' => string, email
 *   'phone' => string, phone
 */
class CRM_Mailing_ActionTokens extends \Civi\Token\AbstractTokenSubscriber {

  /**
   * Class constructor.
   */
  public function __construct() {
    // TODO: Think about supporting dynamic tokens like "{action.subscribe.\d+}"
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    parent::__construct('action', [
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      'subscribeUrl' => ts('Subscribe URL (Action)'),
      'forward' => ts('Forward URL (Action)'),
      'optOut' => ts('Opt-Out (Action)'),
      'optOutUrl' => ts('Opt-Out URL (Action)'),
      'reply' => ts('Reply (Action)'),
      'unsubscribe' => ts('Unsubscribe (Action)'),
      'unsubscribeUrl' => ts('Unsubscribe URL (Action)'),
      'resubscribe' => ts('Resubscribe (Action)'),
      'resubscribeUrl' => ts('Resubscribe URL (Action)'),
      'eventQueueId' => ts('Event Queue ID'),
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    ]);
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  }

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  /**
   * @inheritDoc
   */
  public function checkActive(\Civi\Token\TokenProcessor $processor) {
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    return !empty($processor->context['mailingId']) || !empty($processor->context['mailing'])
      || in_array('mailingId', $processor->context['schema']) || in_array('mailing', $processor->context['schema']);
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  }

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  /**
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   * @inheritDoc
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   */
  public function evaluateToken(
    \Civi\Token\TokenRow $row,
    $entity,
    $field,
    $prefetch = NULL
  ) {
    // Most CiviMail action tokens were implemented via getActionTokenReplacement().
    // However, {action.subscribeUrl} has a second implementation via
    // replaceSubscribeInviteTokens(). The two appear mostly the same.
    // We use getActionTokenReplacement() since it's more consistent. However,
    // this doesn't provide the dynamic/parameterized tokens of
    // replaceSubscribeInviteTokens().

    if (empty($row->context['mailingJobId']) || empty($row->context['mailingActionTarget']['hash'])) {
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      // Strictly speaking, it doesn't make much sense to generate action-tokens when there's no job ID, but traditional CiviMail
      // does this in v5.6+ for "Preview" functionality. Relaxing this strictness check ensures parity between newer+older styles.
      // throw new \CRM_Core_Exception("Error: Cannot use action tokens unless context defines mailingJobId and mailingActionTarget.");
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    }

    if ($field === 'eventQueueId') {
      $row->format('text/plain')->tokens($entity, $field, $row->context['mailingActionTarget']['id']);
      return;
    }

    list($verp, $urls) = CRM_Mailing_BAO_Mailing::getVerpAndUrls(
      $row->context['mailingJobId'],
      $row->context['mailingActionTarget']['id'],
      $row->context['mailingActionTarget']['hash'],
      // Note: Behavior is already undefined for SMS/'phone' mailings...
      $row->context['mailingActionTarget']['email']
    );

    $row->format('text/plain')->tokens($entity, $field,
      CRM_Utils_Token::getActionTokenReplacement(
        $field, $verp, $urls, FALSE));
    $row->format('text/html')->tokens($entity, $field,
      CRM_Utils_Token::getActionTokenReplacement(
        $field, $verp, $urls, TRUE));
  }

}