adding draft subtask logic to backend

be/app/Models/SubTask.php

@@ -13,6 +13,22 @@ class SubTask extends Model
     public $timestamps = true;
     public $guarded = ['id'];
 
+    /**
+     * Scope pre koncepty (drafty) - nezverejnené subtasky
+     */
+    public function scopeDraft($query)
+    {
+        return $query->where('is_draft', true);
+    }
+
+    /**
+     * Scope pre publikované subtasky (nie drafty)
+     */
+    public function scopePublished($query)
+    {
+        return $query->where('is_draft', false);
+    }
+
     public function mastertask()
     {
         return $this->belongsTo(MasterTask::class, 'master_task_id');