Merge branch 'hotfix/0.6.7'

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    enumbler (0.6.6)
+    enumbler (0.6.7)
       activerecord (>= 5.2.3, < 6.1)
       activesupport (>= 5.2.3, < 6.1)
 

README.md

@@ -61,6 +61,9 @@ Color.black.black?         # => true
 Color.black.is_black       # => true
 Color.white.not_black?     # => true
 
+Color.all.any_black?                         # => true
+Color.where.not(id: Color::BLACK).any_black? # => false
+
 # Get attributes without hitting the database
 Color.black(:id)           # => 1
 Color.black(:enum)         # => :black

lib/enumbler/enabler.rb

@@ -326,6 +326,12 @@ def define_dynamic_methods_and_constants_for_enumbled_model(enumble)
         rescue NoMethodError
           raise Enumbler::Error, "The attribute #{attr} is not supported on this Enumble."
         end
+
+        define_singleton_method("any_#{enumble.enum}?") do
+          where(id: enumble.id).exists?
+        rescue NoMethodError
+          raise Enumbler::Error, "The attribute #{attr} is not supported on this Enumble."
+        end
       end
 
       # I accidentally forgot to provide an id one time and it was confusing as

lib/enumbler/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Enumbler
-  VERSION = '0.6.6'
+  VERSION = '0.6.7'
 end

spec/enumbler_spec.rb

@@ -16,6 +16,15 @@
   create_table :houses, force: true do |t|
     t.references :color, foreign_key: true, null: false
   end
+
+  create_table :palettes, force: true do |t|
+    t.string :label, null: false, index: { unique: true }
+  end
+
+  create_table :color_palettes, force: true do |t|
+    t.references :color, foreign_key: true, null: false
+    t.references :palette, foreign_key: true, null: false
+  end
 end
 
 class ApplicationRecord < ActiveRecord::Base
@@ -57,6 +66,16 @@ class ModelWithoutTable < ApplicationRecord
   enumble :without_hope, 1
 end
 
+class ColorPalette < ApplicationRecord
+  belongs_to :palette
+  enumbled_to :color
+end
+
+class Palette < ApplicationRecord
+  has_many :color_palettes
+  has_many :colors, through: :color_palettes
+end
+
 # -----------------------------------------------------------------------------
 # Here are the expectations.  Note that `Color.seed_the_enumbler!` needs to be
 # run to seed the database.  We are using transactions here so we need to run it
@@ -121,6 +140,20 @@ class ModelWithoutTable < ApplicationRecord
         ModelWithoutTable.enumble(:test, 2, bob: 'ok')
       end
     end
+
+    it 'queries the collection', :seed do
+      expect(Color.all.any_black?).to be true
+      expect(Color.all.where.not(id: Color::BLACK).any_black?).to be false
+
+      palette = Palette.new(label: 'Greys')
+      palette.colors << Color.black
+      palette.colors << Color.white
+      palette.save!
+
+      expect(palette.colors.size).to eq 2
+      expect(palette.colors.any_black?).to be true
+      expect(palette.colors.any_dark_brown?).to be false
+    end
   end
 
   describe '.enumbled_to', :seed do