socialworker.php

<?php

/**
 * Form controller class
 *
 * @see http://wiki.civicrm.org/confluence/display/CRMDOC43/QuickForm+Reference
 */
class CRM_Afabc_Form_SocialWorker extends CRM_Core_Form {

  public $_cid;
  public $_pid;
  public $_swid;
  public $_event;
  public $_eid;

  public function preProcess() {
    $this->_pid = (int) CRM_Utils_Request::retrieve('pid', 'Positive');
    $this->_swid = (int) CRM_Utils_Request::retrieve('swid', 'Positive');
    $this->_cid = CRM_Core_DAO::singleValueQuery("SELECT c.id FROM civicrm_contact c INNER JOIN civicrm_participant p ON p.contact_id = c.id WHERE p.id = %1", array(1 => array($this->_pid, "Integer")));
    $this->_event = CRM_Core_DAO::singleValueQuery("SELECT e.title FROM civicrm_event e INNER JOIN civicrm_participant p ON p.event_id = e.id WHERE p.id = %1", array(1 => array($this->_pid, "Integer")));
    $this->_eid = CRM_Core_DAO::singleValueQuery("SELECT e.id FROM civicrm_event e INNER JOIN civicrm_participant p ON p.event_id = e.id WHERE p.id = %1", array(1 => array($this->_pid, "Integer")));
  }

  public function buildQuickForm() {
    $status = CRM_Core_DAO::singleValueQuery("SELECT s.name FROM civicrm_participant p INNER JOIN civicrm_participant_status_type s ON s.id = p.status_id WHERE p.id = %1",
      array(1 => array($this->_pid, "Integer")));
    $name = CRM_Contact_BAO_Contact::displayName($this->_cid);

    $this->addYesNo('participant_confirm', ts("Is {$name} a valid participant registration?"), FALSE, TRUE);
    $this->addButtons(array(
      array(
        'type' => 'submit',
        'name' => ts('Confirm'),
        'isDefault' => TRUE,
      ),
    ));

    $this->assign('contactName', $name);
    $this->assign('event', $this->_event);
    $this->assign('status', $status);
    $this->assign('elementNames', $this->getRenderableElementNames());
    if ($status != "Confirmed") {
      CRM_Utils_System::setTitle("Confirm registration for {$name}");
    }
    else {
      CRM_Utils_System::setTitle("Registration Confirmed");
    }
    parent::buildQuickForm();
  }

  public function postProcess() {
    $values = $this->controller->exportValues($this->_name);
    $status = CRM_Event_PseudoConstant::participantStatus();
    $updatedStatus = "";
    if ($values['participant_confirm']) {
      $updatedStatus = array_search("Confirmed", $status);
      $activityType = "Social Worker Approval";
    }
    else {
      $updatedStatus = array_search("Cancelled", $status);
      $activityType = "Social Worker Disapproval";
    }
    if ($updatedStatus) {
      try {
        civicrm_api3("Participant", "create", array(
          "id" => $this->_pid,
          "contact_id" => $this->_cid,
          "event_id" => $this->_eid,
          "status_id" => $updatedStatus,
        ));

        if ($this->_swid && $this->_cid) {
          // Create the activity.
          $activityParams = array(
            "activity_type_id" => $activityType,
            "source_contact_id" => $this->_swid,
            "target_contact_id" => $this->_cid,
            "subject" => ts("Registration confirmed"),
            "description" => ts("Registration for $this->_event confirmed by social worker."),
            "status_id" => "Completed",
          );
          civicrm_api3("Activity", "create", $activityParams);
        }
        CRM_Core_Session::setStatus(ts('Participant status updated successfully!'));
      }
      catch (CiviCRM_API3_Exception $e) {
        CRM_Core_Error::debug( '$e', $e );
        throw new CRM_Core_Exception('Error while updating participant status. Please contact the site administrator.');
      }
    }
    parent::postProcess();
  }

  /**
   * Get the fields/elements defined in this form.
   *
   * @return array (string)
   */
  function getRenderableElementNames() {
    $elementNames = array();
    foreach ($this->_elements as $element) {
      /** @var HTML_QuickForm_Element $element */
      $label = $element->getLabel();
      if (!empty($label)) {
        $elementNames[] = $element->getName();
      }
    }
    return $elementNames;
  }
}