EventInfo.php

<?php
/*
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC. All rights reserved.                        |
 |                                                                    |
 | This work is published under the GNU AGPLv3 license with some      |
 | permitted exceptions and without any warranty. For full license    |
 | and copyright information, see https://civicrm.org/licensing       |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC https://civicrm.org/licensing
 */

/**
 * Event Info Page - Summary about the event
 */
class CRM_Event_Page_EventInfo extends CRM_Core_Page {

  use CRM_Event_Form_EventFormTrait;

  /**
   * Run the page.
   *
   * This method is called after the page is created. It checks for the
   * type of action and executes that action.
   * Finally it calls the parent's run method.
   *
   * @return void
   */
  public function run() {
    $config = CRM_Core_Config::singleton();
    // ensure that the user has permission to see this page
    if (!CRM_Core_Permission::event(CRM_Core_Permission::VIEW,
      $this->getEventID(), 'view event info'
    )
    ) {
      CRM_Utils_System::setUFMessage(ts('You do not have permission to view this event'));
      return CRM_Utils_System::permissionDenied();
    }

    $action = CRM_Utils_Request::retrieve('action', 'String', $this, FALSE);
    $context = CRM_Utils_Request::retrieve('context', 'Alphanumeric', $this, FALSE, 'register');
    $this->assign('context', $context);

    $this->assign('iCal', CRM_Event_BAO_Event::getICalLinks($this->_id));
    $this->assign('isShowICalIconsInline', TRUE);

    // Sometimes we want to suppress the Event Full msg
    $noFullMsg = CRM_Utils_Request::retrieve('noFullMsg', 'String', $this, FALSE, 'false');

    //retrieve event information
    $params = ['id' => $this->_id];
    $values = ['event' => NULL];
    CRM_Event_BAO_Event::retrieve($params, $values['event']);

    if (!$values['event'] || !$values['event']['is_active']) {
      CRM_Utils_System::setUFMessage(ts('The event you requested is currently unavailable (contact the site administrator for assistance).'));
      return CRM_Utils_System::permissionDenied();
    }

    if (!$values['event']['is_public']) {
      CRM_Utils_System::addHTMLHead('<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW">');
    }

    if (!empty($values['event']['is_template'])) {
      // form is an Event Template
      CRM_Core_Error::statusBounce(ts('The page you requested is currently unavailable.'));
    }

    // Add Event Type to $values in case folks want to display it
    $values['event']['event_type'] = CRM_Utils_Array::value($values['event']['event_type_id'], CRM_Event_PseudoConstant::eventType());

    $this->assign('isShowLocation', $values['event']['is_show_location'] ?? NULL);

    $eventCurrency = CRM_Utils_Array::value('currency', $values['event'], $config->defaultCurrency);
    $this->assign('eventCurrency', $eventCurrency);

    // show event fees.
    if ($this->_id && !empty($values['event']['is_monetary'])) {
      $priceSetId = $this->getPriceSetID();

      // get price set options, - CRM-5209
      if ($priceSetId) {
        $setDetails = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId, TRUE, TRUE);

        $priceSetFields = $setDetails[$priceSetId]['fields'];
        if (is_array($priceSetFields)) {
          $fieldCnt = 1;
          $visibility = CRM_Core_PseudoConstant::visibility('name');

          // CRM-14492 Admin price fields should show up on event registration if user has 'administer CiviCRM' permissions
          $adminFieldVisible = FALSE;
          if (CRM_Core_Permission::check('administer CiviCRM')) {
            $adminFieldVisible = TRUE;
          }

          foreach ($priceSetFields as $fieldValues) {
            if (!is_array($fieldValues['options']) ||
              empty($fieldValues['options']) ||
              (($fieldValues['visibility_id'] ?? NULL) != array_search('public', $visibility) && $adminFieldVisible == FALSE)
            ) {
              continue;
            }

            if (count($fieldValues['options']) > 1) {
              $values['feeBlock']['value'][$fieldCnt] = '';
              $values['feeBlock']['tax_amount'][$fieldCnt] = '';
              $values['feeBlock']['label'][$fieldCnt] = $fieldValues['label'];
              $values['feeBlock']['lClass'][$fieldCnt] = 'price_set_option_group-label';
              $values['feeBlock']['isDisplayAmount'][$fieldCnt] = $fieldValues['is_display_amounts'] ?? NULL;
              $fieldCnt++;
              $labelClass = 'price_set_option-label';
            }
            else {
              $labelClass = 'price_set_field-label';
            }

            foreach ($fieldValues['options'] as $optionId => $optionVal) {
              if (($optionVal['visibility_id'] ?? NULL) != array_search('public', $visibility) &&
                $adminFieldVisible == FALSE
              ) {
                continue;
              }

              $values['feeBlock']['isDisplayAmount'][$fieldCnt] = $fieldValues['is_display_amounts'] ?? NULL;
              if (Civi::settings()->get('invoicing') && isset($optionVal['tax_amount'])) {
                $values['feeBlock']['value'][$fieldCnt] = CRM_Price_BAO_PriceField::getTaxLabel($optionVal, 'amount', $eventCurrency);
                $values['feeBlock']['tax_amount'][$fieldCnt] = $optionVal['tax_amount'];
              }
              else {
                $values['feeBlock']['value'][$fieldCnt] = $optionVal['amount'];
                $values['feeBlock']['tax_amount'][$fieldCnt] = 0;
              }
              $values['feeBlock']['label'][$fieldCnt] = $optionVal['label'];
              $values['feeBlock']['lClass'][$fieldCnt] = $labelClass;
              $fieldCnt++;
            }
          }
        }
        // Tell tpl we have price set fee data and whether it's a quick_config price set
        $this->assign('isPriceSet', 1);
        $this->assign('isQuickConfig', $setDetails[$priceSetId]['is_quick_config']);
      }
    }

    $params = ['entity_id' => $this->_id, 'entity_table' => 'civicrm_event'];
    $values['location'] = CRM_Core_BAO_Location::getValues($params, TRUE);

    // fix phone type labels
    if (!empty($values['location']['phone'])) {
      $phoneTypes = CRM_Core_PseudoConstant::get('CRM_Core_DAO_Phone', 'phone_type_id');
      foreach ($values['location']['phone'] as &$val) {
        if (!empty($val['phone_type_id'])) {
          $val['phone_type_display'] = $phoneTypes[$val['phone_type_id']];
        }
      }
    }

    //retrieve custom field information
    $groupTree = CRM_Core_BAO_CustomGroup::getTree('Event', NULL, $this->_id, 0, $values['event']['event_type_id'], NULL,
      TRUE, NULL, FALSE, CRM_Core_Permission::VIEW, NULL, TRUE);
    CRM_Core_BAO_CustomGroup::buildCustomDataView($this, $groupTree, FALSE, NULL, NULL, NULL, $this->_id);
    $this->assign('action', CRM_Core_Action::VIEW);
    //To show the event location on maps directly on event info page
    $locations = CRM_Event_BAO_Event::getMapInfo($this->_id);
    $this->assign('locations', $locations);
    if (!empty($locations) && !empty($values['event']['is_map'])) {
      $this->assign('mapProvider', \Civi::settings()->get('mapProvider'));
      $this->assign('mapKey', \Civi::settings()->get('mapAPIKey'));
      $sumLat = $sumLng = 0;
      $maxLat = $maxLng = -400;
      $minLat = $minLng = 400;
      foreach ($locations as $location) {
        $sumLat += $location['lat'];
        $sumLng += $location['lng'];

        if ($location['lat'] > $maxLat) {
          $maxLat = $location['lat'];
        }
        if ($location['lat'] < $minLat) {
          $minLat = $location['lat'];
        }

        if ($location['lng'] > $maxLng) {
          $maxLng = $location['lng'];
        }
        if ($location['lng'] < $minLng) {
          $minLng = $location['lng'];
        }
      }

      $center = [
        'lat' => (float ) $sumLat / count($locations),
        'lng' => (float ) $sumLng / count($locations),
      ];
      $span = [
        'lat' => (float ) ($maxLat - $minLat),
        'lng' => (float ) ($maxLng - $minLng),
      ];
      $this->assign('center', $center);
      $this->assign('span', $span);
      if ($action == CRM_Core_Action::PREVIEW) {
        $mapURL = CRM_Utils_System::url('civicrm/contact/map/event',
          "eid={$this->_id}&reset=1&action=preview",
          FALSE, NULL, TRUE,
          TRUE
        );
      }
      else {
        $mapURL = CRM_Utils_System::url('civicrm/contact/map/event',
          "eid={$this->_id}&reset=1",
          FALSE, NULL, TRUE,
          TRUE
        );
      }

      $this->assign('skipLocationType', TRUE);
      $this->assign('mapURL', $mapURL);
    }

    if (CRM_Core_Permission::check('view event participants')) {
      $statusTypes = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 1', 'label');
      $statusTypesPending = CRM_Event_PseudoConstant::participantStatus(NULL, 'is_counted = 0', 'label');
      $findParticipants['statusCounted'] = implode(', ', array_values($statusTypes));
      $findParticipants['statusNotCounted'] = implode(', ', array_values($statusTypesPending));
      $this->assign('findParticipants', $findParticipants);
    }

    $participantListingID = $values['event']['participant_listing_id'] ?? NULL;
    if ($participantListingID) {
      $participantListingURL = CRM_Utils_System::url('civicrm/event/participant',
        "reset=1&id={$this->_id}",
        FALSE, NULL, TRUE, TRUE
      );
      $this->assign('participantListingURL', $participantListingURL);
    }

    $hasWaitingList = $values['event']['has_waitlist'] ?? NULL;
    $isEventOpenForRegistration = CRM_Event_BAO_Event::validRegistrationRequest($values['event'], $this->_id);

    $allowRegistration = FALSE;
    // check that the user has permission to register for this event
    // Looks like the form shows either way - just not the register option.
    $hasPermission = CRM_Core_Permission::event(CRM_Core_Permission::EDIT,
      $this->getEventID(), 'register for events'
    );
    if ($hasPermission && $this->isAvailableForOnlineRegistration()) {
      // we always generate urls for the front end in joomla
      $action_query = $action === CRM_Core_Action::PREVIEW ? "&action=$action" : '';
      $url = CRM_Utils_System::url('civicrm/event/register',
        "id={$this->_id}&reset=1{$action_query}",
        FALSE, NULL, TRUE,
        TRUE
      );
      $registerText = ts('Register Now');
      if (!empty($values['event']['registration_link_text'])) {
        $registerText = $values['event']['registration_link_text'];
      }

      //Fixed for CRM-4855
      $allowRegistration = CRM_Event_BAO_Event::showHideRegistrationLink($values);

      $this->assign('registerText', $registerText);
      $this->assign('registerURL', $url);
    }

    $this->assign('registerClosed', !empty($values['event']['is_online_registration']) && !$isEventOpenForRegistration && CRM_Core_Permission::check('register for events'));
    $this->assign('allowRegistration', $allowRegistration);

    $session = CRM_Core_Session::singleton();
    $params = [
      'contact_id' => $session->get('userID'),
      'event_id' => $values['event']['id'] ?? NULL,
      'role_id' => $values['event']['default_role_id'] ?? NULL,
    ];

    if (($this->isEventFull() && $noFullMsg === 'false') || CRM_Event_BAO_Event::checkRegistration($params)) {
      $statusMessage = $this->getEventValue('event_full_text');
      if (CRM_Event_BAO_Event::checkRegistration($params)) {
        if ($noFullMsg == 'false') {
          if ($values['event']['allow_same_participant_emails']) {
            $statusMessage = ts('It looks like you are already registered for this event.  You may proceed if you want to create an additional registration.');
          }
          else {
            $registerUrl = CRM_Utils_System::url('civicrm/event/register',
              "reset=1&id={$values['event']['id']}&cid=0"
            );
            $statusMessage = ts("It looks like you are already registered for this event. If you want to change your registration, or you feel that you've gotten this message in error, please contact the site administrator.") . ' ' . ts('You can also <a href="%1">register another participant</a>.', [1 => $registerUrl]);
          }
        }
      }
      elseif ($hasWaitingList) {
        $statusMessage = $values['event']['waitlist_text'] ?? NULL;
        if (!$statusMessage) {
          $statusMessage = ts('Event is currently full, but you can register and be a part of waiting list.');
        }
      }
      if ($isEventOpenForRegistration == 1) {
        CRM_Core_Session::setStatus($statusMessage);
      }
    }
    // we do not want to display recently viewed items, so turn off
    $this->assign('displayRecent', FALSE);

    // set page title = event title
    CRM_Utils_System::setTitle($values['event']['title']);

    $this->assign('event', $values['event']);
    $this->assign('feeBlock', $values['feeBlock'] ?? NULL);
    $this->assign('location', $values['location']);

    if (CRM_Core_Permission::check(['access CiviEvent', 'edit all events'])) {
      $this->assign('manageEventLinks', CRM_Event_Page_ManageEvent::tabs());
    }

    return parent::run();
  }

  /**
   * Get the selected Event ID.
   *
   * @api This function will not change in a minor release and is supported for
   * use outside of core. This annotation / external support for properties
   * is only given where there is specific test cover.
   *
   * @return int|null
   */
  public function getEventID(): int {
    if (!isset($this->_id)) {
      $id = CRM_Utils_Request::retrieve('id', 'Positive', $this, TRUE);
      $this->_id = $id;
    }
    return (int) $this->_id;
  }

  /**
   * @return string
   */
  public function getTemplateFileName() {
    if ($this->getEventID()) {
      $templateFile = "CRM/Event/Page/{$this->_id}/EventInfo.tpl";
      $template = CRM_Core_Page::getTemplate();

      if ($template->template_exists($templateFile)) {
        return $templateFile;
      }
    }
    return parent::getTemplateFileName();
  }

  /**
   * Get the price set ID for the event.
   *
   * @return int|null
   *
   * @api This function will not change in a minor release and is supported for
   * use outside of core. This annotation / external support for properties
   * is only given where there is specific test cover.
   *
   * @noinspection PhpUnhandledExceptionInspection
   * @noinspection PhpDocMissingThrowsInspection
   */
  public function getPriceSetID(): ?int {
    if ($this->getEventValue('is_monetary')) {
      //CRM-10434
      $discountID = CRM_Core_BAO_Discount::findSet($this->getEventID(), 'civicrm_event');
      if ($discountID) {
        return (int) CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Discount', $discountID, 'price_set_id');
      }

      return (int) CRM_Price_BAO_PriceSet::getFor('civicrm_event', $this->getEventID());
    }
    return NULL;
  }

}