(WIP) Add price fields to form definition

Author: jensschuppe

CRM/Remoteevent/RegistrationProfile.php

@@ -96,6 +96,97 @@ public function getLabel()
      */
     abstract public function getFields($locale = null);
 
+    public function getPriceFields(array $event, $locale = NULL) {
+      $fields = [];
+
+      if (!(bool) $event['is_monetary']) {
+        return $fields;
+      }
+
+      $priceFields = \Civi\Api4\Event::get(FALSE)
+        ->addSelect('price_field.*')
+        ->addJoin(
+          'PriceSetEntity AS price_set_entity',
+          'INNER',
+          ['price_set_entity.entity_table', '=', '"civicrm_event"'],
+          ['price_set_entity.entity_id', '=', 'id']
+        )
+        ->addJoin(
+          'PriceSet AS price_set',
+          'INNER',
+          ['price_set.id', '=', 'price_set_entity.price_set_id'],
+          ['price_set.is_active', '=', 1]
+        )
+        ->addJoin(
+          'PriceField AS price_field',
+          'LEFT',
+          ['price_field.price_set_id', '=', 'price_set.id']
+        )
+        ->addWhere('id', '=', $event['id'])
+        ->execute();
+
+      if (count($priceFields) === 0) {
+        return $fields;
+      }
+
+      $l10n = CRM_Remoteevent_Localisation::getLocalisation($locale);
+      $fields['price'] = [
+        'type' => 'fieldset',
+        'name' => 'price',
+        // TODO: Is the label correctly localised with the requested $locale?
+        'label' => $event['fee_label'],
+      ];
+      foreach ($priceFields as $priceField) {
+        $priceFieldValues = \Civi\Api4\PriceFieldValue::get(FALSE)
+          ->addSelect('id', 'label', 'amount')
+          ->addWhere('price_field_id', '=', $priceField['price_field.id'])
+          ->execute()
+          ->indexBy('id');
+        $field = [
+          // TODO: Validate types.
+          'type' => $priceField['price_field.html_type'],
+          'name' => $priceField['price_field.name'],
+          // TODO: Localize label with given $locale.
+          'label' => $priceField['price_field.label'],
+          'weight' => $priceField['price_field.weight'],
+          'required' => (bool) $priceField['price_field.is_required'],
+          'parent' => 'price',
+          'options' => $priceFieldValues->column('label'),
+        ];
+
+        // Append price field value amounts in option labels.
+        if ($priceField['price_field.is_display_amounts']) {
+          array_walk($field['options'], function(&$label, $id, $context) {
+            $label .= sprintf(
+              ' (%s)',
+              CRM_Utils_Money::format(
+                $context['priceFieldValues'][$id]['amount'],
+                $context['event']['currency']
+              )
+            );
+          }, ['priceFieldValues' => $priceFieldValues, 'event' => $event]);
+        }
+
+        // Add prefixed help text.
+        if (isset($priceField['price_field.help_pre'])) {
+          // TODO: Localize with given $locale.
+          $field['prefix'] = $priceField['price_field.help_pre'];
+          $field['prefix_display'] = 'inline';
+        }
+
+        // Add suffixed help text.
+        if (isset($priceField['price_field.help_post'])) {
+          // TODO: Localize with given $locale.
+          $field['suffix'] = $priceField['price_field.help_post'];
+          $field['suffix_display'] = 'inline';
+        }
+
+        $fields['price_' . $priceField['price_field.name']] = $field;
+      }
+
+      return $fields;
+    }
+
     public function getAdditionalParticipantsFields(array $event, ?int $maxParticipants = NULL, ?string $locale = NULL): array
     {
         $fields = [];
@@ -108,6 +199,7 @@ public function getAdditionalParticipantsFields(array $event, ?int $maxParticipa
                 $event['event_remote_registration.remote_registration_additional_participants_profile']
             );
             $additional_fields = $additional_participants_profile->getFields($locale);
+            $additional_fields += $additional_participants_profile->getPriceFields($event, $locale);
             $fields['additional_participants'] = [
                 'type' => 'fieldset',
                 'name' => 'additional_participants',
@@ -359,6 +451,7 @@ public static function addProfileData($get_form_results)
         $locale = $get_form_results->getLocale();
         $fields = $profile->getFields($locale);
         if ('create' === $get_form_results->getParams()['context']) {
+          $fields += $profile->getPriceFields($event, $locale);
           $fields += $profile->getAdditionalParticipantsFields($event, NULL, $locale);
         }
         $get_form_results->addFields($fields);