Merge pull request #4 from anthonator/feature/equals

Overrode ==

lib/soulless/model.rb

@@ -34,5 +34,9 @@ def i18n_scope
     def persisted?
       false
     end
+
+    def ==(o)
+      self.to_h == o.to_h
+    end
   end
 end

lib/soulless/validations/using_validator.rb

@@ -0,0 +1,45 @@
+module Soulless
+  module Validations
+    class UsingValidator < ActiveModel::EachValidator
+      def validate_each(record, attribute, value)
+        check_options
+        return if should_not_continue?(value)
+
+        if value.is_a?(Array)
+          value.each { |v| perform(record, attribute, v) }
+        else
+          perform(record, attribute, value)
+        end
+      end
+
+      private
+
+      def check_options
+        fail(ArgumentError, 'The `:model` option is required for the `using` validator') unless options[:model]
+        fail(ArgumentError, 'The `:model` option should contain a class that responds to `valid?` for the `using` validator') unless options[:model].respond_to?(:new) && options[:model].method_defined?(:valid?)
+      end
+
+      def should_not_continue?(value)
+        (options[:allow_nil] && value.nil?) ||
+          (options[:allow_empty] && value.empty?)
+      end
+
+      def perform(record, attribute, value)
+        model = options[:model].new(value)
+
+        return if model.valid?
+
+        reference_value = model[options[:reference]] if options[:reference]
+
+        if !reference_value.blank?
+          errors = {}
+          errors[reference_value] = model.errors
+
+          record.errors[attribute] << errors
+        else
+          record.errors[attribute] << model.errors
+        end
+      end
+    end
+  end
+end

lib/soulless/version.rb

@@ -1,3 +1,3 @@
 module Soulless
-  VERSION = '1.1.1'
+  VERSION = '1.2.0'
 end

spec/soulless_spec.rb

@@ -10,4 +10,11 @@
 
     expect(model.changed?).to be_falsey
   end
+
+  it 'should be equal if attributes are the same' do
+    model_1 = SoullessModel.new(email: 'anthony@sticksnleaves.com')
+    model_2 = SoullessModel.new(email: 'anthony@sticksnleaves.com')
+
+    expect(model_1).to eq model_2
+  end
 end