add status_of_value search

README.md

@@ -22,6 +22,7 @@ Now we have `status_name`, `status_color`, `status_value` and `Book.status_optio
 - `#{attribute}_color` - return color for enum value from I18n file.
 - `#{attribute}_value` - return raw value for enum, Now we don't need use `Book.statuses[@book.status]`.
 - `Book.#{attribute}_options` - return a array list for select tag options, `<%= f.select :status, Book.status_options %>`.
+- `Book.#{attribute}_of_#{option}` - return a active record relation for enum value from database.
 
 Write I18n:
 

lib/enumize/model.rb

@@ -46,6 +46,14 @@ def enum(opts)
               [label, k]
             end
           end
+
+          # Book.status_of_published
+          values.each do |key, val|
+            detect_enum_conflict!(name, "#{name}_of_#{key}", true)
+            define_singleton_method("#{name}_of_#{key}") do
+              klass.where("#{name}": val)
+            end
+          end
         end
       end
     end

lib/enumize/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Enumize
-  VERSION = "0.2.0"
+  VERSION = "0.2.1"
 end