Separated laravel app to its own folder (#540)

api/app/Exports/FormSubmissionExport.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Exports;
+
+use Maatwebsite\Excel\Concerns\FromArray;
+use Maatwebsite\Excel\Concerns\WithHeadingRow;
+
+class FormSubmissionExport implements FromArray, WithHeadingRow
+{
+    protected array $submissionData;
+
+    public function __construct(array $submissionData)
+    {
+        $headingRow = [];
+        $contentRow = [];
+        foreach ($submissionData as $i => $row) {
+            if ($i == 0) {
+                $headingRow[] = $this->cleanColumnNames(array_keys($row));
+            }
+            $contentRow[] = array_values($row);
+        }
+
+        $this->submissionData = [
+            $headingRow,
+            $contentRow,
+        ];
+    }
+
+    private function cleanColumnNames(array $columnNames): array
+    {
+        return collect($columnNames)->map(function ($columnName) {
+            return preg_replace('/\s\(.*\)/', '', $columnName);
+        })->toArray();
+    }
+
+    public function array(): array
+    {
+        return $this->submissionData;
+    }
+}