app/sorters/bmc/sorter.rb in bmc-1.3.0 vs app/sorters/bmc/sorter.rb in bmc-1.3.1

@@ -21,6 +21,28 @@
   end
 
   def self.call(...)
     new(...).call
   end
+
+  private
+
+  def inverted_direction
+    {asc: :desc, desc: :asc}[direction]
+  end
+
+  def joins(...)
+    @collection = @collection.joins(...)
+  end
+
+  def left_joins(...)
+    @collection = @collection.left_joins(...)
+  end
+
+  def by_column(c = column)
+    {c => direction}
+  end
+
+  def by_lower(c = column)
+    Arel.sql "LOWER(#{c}) #{direction}"
+  end
 end