Created API endpoints

app/Transformers/QuestionnaireTransformer.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Transformers;
+
+use App\Models\Questionnaire as Model;
+use App\Models\User;
+use App\Models\Category;
+use League\Fractal\TransformerAbstract;
+use App\Http\Resources\CategoryResource;
+use App\Http\Resources\SectionResource;
+use App\Http\Resources\UserResource;
+
+class QuestionnaireTransformer extends TransformerAbstract
+{
+    /**
+     * @param Model $model
+     * @return array
+     */
+    public function transform(Model $model)
+    {
+        return [
+            'createdAt' => $model->created_at->toIso8601String(),
+            'updatedAt' => $model->updated_at->toIso8601String(),
+            'id' => $model->id,
+            'category' => new CategoryResource($model->category),
+            'title' => $model->title,
+            'description' => $model->description,
+            'releasedAt' => $model->released_at,
+            'closedAt' => $model->closed_at,
+            'reviewedAt' => $model->reviewed_at,
+            'sections' => SectionResource::collection($model->sections, ['key' => 'sections']),
+            'creator' => $model->creator,
+            'links' => [
+                'relatedTo' => route('questionnaires.index')
+            ]
+        ];
+    }
+}