fix(serializer): update SummitTaxTypeSerializer rounding rule for rate field

Author: smarcet

app/ModelSerializers/Summit/Registration/SummitTaxTypeSerializer.php

@@ -23,7 +23,7 @@ final class SummitTaxTypeSerializer extends SilverStripeSerializer
     protected static $array_mappings = [
         'Name'     => 'name:json_string',
         'TaxId'    => 'tax_id:json_string',
-        'Rate'     => 'rate:json_float',
+        'Rate'     => 'rate:json_money:3',
         'SummitId' => 'summit_id:json_int',
     ];
 
@@ -76,4 +76,4 @@ public function serialize($expand = null, array $fields = [], array $relations =
         }
         return $values;
     }
-}
+}

database/migrations/model/Version20260220195027.php

@@ -0,0 +1,58 @@
+<?php namespace Database\Migrations\Model;
+/**
+ * Copyright 2025 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260220195027 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'update tax rate precision';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $sql = <<<SQL
+ALTER TABLE `SummitTaxType` CHANGE `Rate` `Rate` DECIMAL(9,5) NOT NULL DEFAULT '0.00000';
+SQL;
+
+        $this->addSql($sql);
+
+        $sql = <<<SQL
+ALTER TABLE `SummitAttendeeTicket_Taxes` CHANGE `Rate` `Rate` DECIMAL(9,5) NOT NULL DEFAULT '0.00000';
+SQL;
+
+        $this->addSql($sql);
+
+    }
+
+    public function down(Schema $schema): void
+    {
+        $sql = <<<SQL
+ALTER TABLE `SummitTaxType` CHANGE `Rate` `Rate` DECIMAL(9,2) NOT NULL DEFAULT '0.00';
+SQL;
+
+        $this->addSql($sql);
+
+        $sql = <<<SQL
+ALTER TABLE `SummitAttendeeTicket_Taxes` CHANGE `Rate` `Rate` DECIMAL(9,2) NOT NULL DEFAULT '0.00';
+SQL;
+
+        $this->addSql($sql);
+
+    }
+}