MatchStrategy map formula entity formula name to formula resource

src/ApiResource/Matchfunding/MatchStrategyApiResource.php

@@ -7,8 +7,11 @@ use ApiPlatform\Metadata as API;
 use App\ApiResource\Money;
 use App\Entity\Matchfunding\MatchAgainst;
 use App\Entity\Matchfunding\MatchStrategy;
+use App\Mapping\Transformer\MatchFormulaMapTransformer;
 use App\State\ApiResourceStateProcessor;
 use App\State\ApiResourceStateProvider;
+use AutoMapper\Attribute\MapFrom;
+use AutoMapper\Attribute\MapTo;
 use Symfony\Component\Validator\Constraints as Assert;
 
 #[API\ApiResource(
@@ -43,6 +46,8 @@ class MatchStrategyApiResource
      * The MatchFormula used to calculate matched funds.
      */
     #[Assert\NotBlank()]
+    #[MapTo(MatchStrategy::class, property: 'formulaName', transformer: 'source.formula.name')]
+    #[MapFrom(MatchStrategy::class, property: 'formulaName', transformer: MatchFormulaMapTransformer::class)]
     public FormulaApiResource $formula;
 
     /**

src/Mapping/Transformer/MatchFormulaMapTransformer.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Mapping\Transformer;
+
+use App\ApiResource\Matchfunding\FormulaApiResource;
+use App\Matchfunding\Formula\FormulaLocator;
+use AutoMapper\Transformer\PropertyTransformer\PropertyTransformerInterface;
+
+class MatchFormulaMapTransformer implements PropertyTransformerInterface
+{
+    public function __construct(
+        private FormulaLocator $formulaLocator,
+    ) {}
+
+    public function transform(mixed $value, object|array $source, array $context): mixed
+    {
+        $interface = $this->formulaLocator->get($value);
+
+        return FormulaApiResource::from($interface);
+    }
+}