refactorings of pirep/acars api calls; separate field calls

app/Http/Resources/Pirep.php

@@ -58,7 +58,8 @@ class Pirep extends Resource
             'curr_airport_id' => $this->user->curr_airport_id,
         ];
 
-        $pirep['fields'] = $this->fields;
+        # format to kvp
+        $pirep['fields'] = new PirepFieldCollection($this->fields);
 
         return $pirep;
     }

app/Http/Resources/PirepFieldCollection.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+/**
+ * Class PirepFieldCollection
+ * @package App\Http\Resources
+ */
+class PirepFieldCollection extends ResourceCollection
+{
+    public function toArray($request)
+    {
+        $obj = [];
+        foreach($this->collection as $field) {
+            $obj[$field->name] = $field->value;
+        }
+
+        return $obj;
+    }
+}