CRM/Mailing/Form/Subscribe.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  */
  17 class CRM_Mailing_Form_Subscribe extends CRM_Core_Form {
  18   protected $_groupID = NULL;
  19
  20   public function preProcess() {
  21     parent::preProcess();
  22     $this->_groupID = CRM_Utils_Request::retrieve('gid', 'Integer', $this,
  23       FALSE, NULL, 'REQUEST'
  24     );
  25
  26     // ensure that there is a destination, if not set the destination to the
  27     // referrer string
  28     if (!$this->controller->getDestination()) {
  29       $this->controller->setDestination(NULL, TRUE);
  30     }
  31
  32     if ($this->_groupID) {
  33       $groupTypeCondition = CRM_Contact_BAO_Group::groupTypeCondition('Mailing');
  34
  35       // make sure requested qroup is accessible and exists
  36       $query = "
  37 SELECT   title, description
  38   FROM   civicrm_group
  39  WHERE   id={$this->_groupID}
  40    AND   visibility != 'User and User Admin Only'
  41    AND   $groupTypeCondition";
  42
  43       $dao = CRM_Core_DAO::executeQuery($query);
  44       if ($dao->fetch()) {
  45         $this->assign('groupName', $dao->title);
  46         CRM_Utils_System::setTitle(ts('Subscribe to Mailing List - %1', [1 => $dao->title]));
  47       }
  48       else {
  49         CRM_Core_Error::statusBounce("The specified group is not configured for this action OR The group doesn't exist.");
  50       }
  51
  52       $this->assign('single', TRUE);
  53     }
  54     else {
  55       $this->assign('single', FALSE);
  56       CRM_Utils_System::setTitle(ts('Mailing List Subscription'));
  57     }
  58   }
  59
  60   /**
  61    * Build the form object.
  62    */
  63   public function buildQuickForm() {
  64     // add the email address
  65     $this->add('text',
  66       'email',
  67       ts('Email'),
  68       CRM_Core_DAO::getAttribute('CRM_Core_DAO_Email',
  69         'email'
  70       ),
  71       TRUE
  72     );
  73     $this->addRule('email', ts("Please enter a valid email address."), 'email');
  74
  75     if (!$this->_groupID) {
  76       // create a selector box of all public groups
  77       $groupTypeCondition = CRM_Contact_BAO_Group::groupTypeCondition('Mailing');
  78
  79       $query = "
  80 SELECT   id, title, description
  81   FROM   civicrm_group
  82  WHERE   ( saved_search_id = 0
  83     OR     saved_search_id IS NULL )
  84    AND   visibility != 'User and User Admin Only'
  85    AND   $groupTypeCondition
  86 ORDER BY title";
  87       $dao = CRM_Core_DAO::executeQuery($query);
  88       $rows = [];
  89       while ($dao->fetch()) {
  90         $row = [];
  91         $row['id'] = $dao->id;
  92         $row['title'] = $dao->title;
  93         $row['description'] = $dao->description;
  94         $row['checkbox'] = CRM_Core_Form::CB_PREFIX . $row['id'];
  95         $this->addElement('checkbox',
  96           $row['checkbox'],
  97           NULL, NULL
  98         );
  99         $rows[] = $row;
 100       }
 101       if (empty($rows)) {
 102         throw new CRM_Core_Exception(ts('There are no public mailing list groups to display.'));
 103       }
 104       $this->assign('rows', $rows);
 105       $this->addFormRule(['CRM_Mailing_Form_Subscribe', 'formRule']);
 106     }
 107
 108     $addCaptcha = TRUE;
 109
 110     // if recaptcha is not configured, then dont add it
 111     // CRM-11316 Only enable ReCAPTCHA for anonymous visitors
 112     $config = CRM_Core_Config::singleton();
 113     $session = CRM_Core_Session::singleton();
 114     $contactID = $session->get('userID');
 115
 116     if (empty($config->recaptchaPublicKey) ||
 117       empty($config->recaptchaPrivateKey) ||
 118       $contactID
 119     ) {
 120       $addCaptcha = FALSE;
 121     }
 122     else {
 123       // If this is POST request and came from a block,
 124       // lets add recaptcha only if already present.
 125       // Gross hack for now.
 126       if (!empty($_POST) &&
 127         !array_key_exists('recaptcha_challenge_field', $_POST)
 128       ) {
 129         $addCaptcha = FALSE;
 130       }
 131     }
 132
 133     if ($addCaptcha) {
 134       CRM_Utils_ReCAPTCHA::enableCaptchaOnForm($this);
 135     }
 136
 137     $this->addButtons([
 138       [
 139         'type' => 'next',
 140         'name' => ts('Subscribe'),
 141         'isDefault' => TRUE,
 142       ],
 143       [
 144         'type' => 'cancel',
 145         'name' => ts('Cancel'),
 146       ],
 147     ]);
 148   }
 149
 150   /**
 151    * @param $fields
 152    *
 153    * @return array|bool
 154    */
 155   public static function formRule($fields) {
 156     foreach ($fields as $name => $dontCare) {
 157       if (substr($name, 0, CRM_Core_Form::CB_PREFIX_LEN) == CRM_Core_Form::CB_PREFIX) {
 158         return TRUE;
 159       }
 160     }
 161     return ['_qf_default' => 'Please select one or more mailing lists.'];
 162   }
 163
 164   public function postProcess() {
 165     $params = $this->controller->exportValues($this->_name);
 166
 167     $groups = [];
 168     if ($this->_groupID) {
 169       $groups[] = $this->_groupID;
 170     }
 171     else {
 172       foreach ($params as $name => $dontCare) {
 173         if (substr($name, 0, CRM_Core_Form::CB_PREFIX_LEN) == CRM_Core_Form::CB_PREFIX) {
 174           $groups[] = substr($name, CRM_Core_Form::CB_PREFIX_LEN);
 175         }
 176       }
 177     }
 178
 179     CRM_Mailing_Event_BAO_Subscribe::commonSubscribe($groups, $params);
 180   }
 181
 182 }