References

app/Models/Preference.php

@@ -5,6 +5,19 @@ use Illuminate\Database\Eloquent\Model;
 class Preference extends Model
 {
 
-    //
+    public function getDataAttribute($value)
+    {
+        return json_decode($value);
+    }
+
+    public function setDataAttribute($value)
+    {
+        $this->attributes['data'] = json_encode($value);
+    }
+
+    public function user()
+    {
+        return $this->belongsTo('User');
+    }
 
 }