dynamic elements and groups

app/Models/ElementProvider.php

@@ -12,6 +12,7 @@ class ElementProvider extends Model
         'element_id',
         'provider_id',
         'provider_element_id',
+        'add_by_method_id',
         'name',
     ];
 
@@ -20,6 +21,11 @@ class ElementProvider extends Model
         return $this->belongsTo(Sport::class);
     }
 
+    public function element_group()
+    {
+        return $this->belongsTo(ElementGroup::class, 'element_id', 'element_id');
+    }
+
     public function element()
     {
         return $this->belongsTo(Element::class);
@@ -29,4 +35,9 @@ class ElementProvider extends Model
     {
         return $this->belongsTo(Provider::class);
     }
+
+    public function add_by_method()
+    {
+        return $this->belongsTo(AddByMethod::class);
+    }
 }