Backend for file uploads attached to any generic model, initially on aircraft and airports #226

app/Models/Traits/ReferenceTrait.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Models\Traits;
+
+/**
+ * Trait ReferenceTrait
+ * @property \App\Interfaces\Model $ref_model
+ * @property mixed $ref_model_id
+ * @package App\Models\Traits
+ */
+trait ReferenceTrait
+{
+    /**
+     * @param \App\Interfaces\Model $object
+     * @return self
+     */
+    public function referencesObject($object)
+    {
+        $this->ref_model = \get_class($object);
+        $this->ref_model_id = $object->id;
+        $this->save();
+
+        return $this;
+    }
+
+    /**
+     * Return an instance of the object or null
+     * @return \App\Interfaces\Model|null
+     */
+    public function getReferencedObject()
+    {
+        if ($classname = $this->ref_model) {
+            $klass = new $this->ref_model;
+
+            return $klass->find($this->ref_model_id);
+        }
+
+        return null;
+    }
+}