move goal progress calculation out of the resources

app/Http/Resources/V1/Goal/GoalCollection.php

@@ -5,14 +5,42 @@ declare(strict_types=1);
 namespace App\Http\Resources\V1\Goal;
 
 use App\Http\Resources\PaginatedResourceCollection;
+use App\Models\Goal;
+use App\Service\Dto\GoalProgressDto;
+use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\ResourceCollection;
 
 class GoalCollection extends ResourceCollection implements PaginatedResourceCollection
 {
     /**
-     * The resource that this resource collects.
-     *
-     * @var string
+     * @var array<string, GoalProgressDto>
      */
-    public $collects = GoalResource::class;
+    private array $progressByGoalId;
+
+    /**
+     * @param  array<string, GoalProgressDto>  $progressByGoalId
+     */
+    public function __construct($resource, array $progressByGoalId)
+    {
+        parent::__construct($resource);
+        $this->progressByGoalId = $progressByGoalId;
+    }
+
+    protected function collects(): ?string
+    {
+        return null;
+    }
+
+    /**
+     * Transform the resource collection into an array.
+     *
+     * @return array<array<string, string|bool|int|null|array<string, string|bool|int|null|array<int, string>>>>
+     */
+    public function toArray(Request $request): array
+    {
+        return $this->collection->map(function (Goal $goal) use ($request): array {
+            return (new GoalResource($goal, $this->progressByGoalId[$goal->getKey()]))
+                ->toArray($request);
+        })->all();
+    }
 }