From 6ba1b1d10cf40d30fb9437a0f78ce17cff07b871 Mon Sep 17 00:00:00 2001
From: Eileen McNaughton <emcnaughton@wikimedia.org>
Date: Fri, 15 Dec 2023 08:59:07 +1300
Subject: [PATCH] Unshare init event fee

---
 CRM/Event/Form/Participant.php  | 65 ++++++++++++++++++++++++++++++++-
 CRM/Event/Form/Registration.php |  2 +-
 2 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/CRM/Event/Form/Participant.php b/CRM/Event/Form/Participant.php
index 4d5878919c..80bc860a5e 100644
--- a/CRM/Event/Form/Participant.php
+++ b/CRM/Event/Form/Participant.php
@@ -1265,7 +1265,7 @@ class CRM_Event_Form_Participant extends CRM_Contribute_Form_AbstractEditPayment
       //retrieve custom information
       $this->_values = [];
       $this->_values['line_items'] = CRM_Price_BAO_LineItem::getLineItems($this->_id, 'participant');
-      CRM_Event_Form_Registration::initEventFee($form, FALSE, $this->getPriceSetID());
+      self::initEventFee($form, FALSE, $this->getPriceSetID());
       if ($form->_context === 'standalone' || $form->_context === 'participant') {
         $discountedEvent = CRM_Core_BAO_Discount::getOptionGroup($event['id'], 'civicrm_event');
         if (is_array($discountedEvent)) {
@@ -1405,6 +1405,69 @@ class CRM_Event_Form_Participant extends CRM_Contribute_Form_AbstractEditPayment
     $form->assign('hasPayment', $form->_paymentId);
   }
 
+  /**
+   * Initiate event fee.
+   *
+   * @param self $form
+   * @param bool $doNotIncludeExpiredFields
+   *   See CRM-16456.
+   * @param int|null $priceSetId
+   *   ID of the price set in use.
+   *
+   * @internal function has had several recent signature changes & is expected to be eventually removed.
+   */
+  private static function initEventFee($form, $doNotIncludeExpiredFields, $priceSetId): void {
+    if (!$priceSetId) {
+      CRM_Core_Error::deprecatedWarning('this should not be reachable');
+      return;
+    }
+
+    $priceSet = CRM_Price_BAO_PriceSet::getSetDetail($priceSetId, NULL, $doNotIncludeExpiredFields);
+    $form->_priceSet = $priceSet[$priceSetId] ?? NULL;
+    $form->_values['fee'] = $form->_priceSet['fields'] ?? NULL;
+
+    //get the price set fields participant count.
+    //get option count info.
+    $form->_priceSet['optionsCountTotal'] = CRM_Price_BAO_PriceSet::getPricesetCount($priceSetId);
+    if ($form->_priceSet['optionsCountTotal']) {
+      $optionsCountDetails = [];
+      if (!empty($form->_priceSet['fields'])) {
+        foreach ($form->_priceSet['fields'] as $field) {
+          foreach ($field['options'] as $option) {
+            $count = $option['count'] ?? 0;
+            $optionsCountDetails['fields'][$field['id']]['options'][$option['id']] = $count;
+          }
+        }
+      }
+      $form->_priceSet['optionsCountDetails'] = $optionsCountDetails;
+    }
+
+    //get option max value info.
+    $optionsMaxValueTotal = 0;
+    $optionsMaxValueDetails = [];
+
+    if (!empty($form->_priceSet['fields'])) {
+      foreach ($form->_priceSet['fields'] as $field) {
+        foreach ($field['options'] as $option) {
+          $maxVal = $option['max_value'] ?? 0;
+          $optionsMaxValueDetails['fields'][$field['id']]['options'][$option['id']] = $maxVal;
+          $optionsMaxValueTotal += $maxVal;
+        }
+      }
+    }
+
+    $form->_priceSet['optionsMaxValueTotal'] = $optionsMaxValueTotal;
+    if ($optionsMaxValueTotal) {
+      $form->_priceSet['optionsMaxValueDetails'] = $optionsMaxValueDetails;
+    }
+    $form->set('priceSet', $form->_priceSet);
+
+    $eventFee = $form->_values['fee'] ?? NULL;
+    if (!is_array($eventFee) || empty($eventFee)) {
+      $form->_values['fee'] = [];
+    }
+  }
+
   /**
    * Get the emails available for the from address.
    *
diff --git a/CRM/Event/Form/Registration.php b/CRM/Event/Form/Registration.php
index ae5674f18a..4d7f17f8fa 100644
--- a/CRM/Event/Form/Registration.php
+++ b/CRM/Event/Form/Registration.php
@@ -604,7 +604,7 @@ class CRM_Event_Form_Registration extends CRM_Core_Form {
   /**
    * Initiate event fee.
    *
-   * @param \CRM_Event_Form_Participant|\CRM_Event_Form_Registration|\CRM_Event_Form_ParticipantFeeSelection|\CRM_Event_Form_Task_Register $form
+   * @param \CRM_Event_Form_Registration|\CRM_Event_Form_ParticipantFeeSelection $form
    * @param bool $doNotIncludeExpiredFields
    *   See CRM-16456.
    * @param int|null $priceSetId
-- 
2.25.1