Merge pull request #61 from delba/rails4-upstream

Use update_column and where.not

lib/paranoia.rb

@@ -7,7 +7,7 @@ module Paranoia
     def paranoid? ; true ; end
 
     def only_deleted
-      all.tap { |x| x.default_scoped = false }.where("#{self.table_name}.deleted_at is not null")
+      all.tap { |x| x.default_scoped = false }.where.not(deleted_at: nil)
     end
 
     def with_deleted
@@ -21,24 +21,17 @@ module Paranoia
 
   def delete
     return if new_record? or destroyed?
-    update_attribute_or_column :deleted_at, Time.now
+    update_column :deleted_at, Time.now
   end
 
   def restore!
-    update_attribute_or_column :deleted_at, nil
+    update_column :deleted_at, nil
   end
 
   def destroyed?
     !self.deleted_at.nil?
   end
   alias :deleted? :destroyed?
-
-  private
-
-  # Rails 3.1 adds update_column. Rails > 3.2.6 deprecates update_attribute, gone in Rails 4.
-  def update_attribute_or_column(*args)
-    respond_to?(:update_column) ? update_column(*args) : update_attribute(*args)
-  end
 end
 
 class ActiveRecord::Base

paranoia.gemspec

@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
   s.required_rubygems_version = ">= 1.3.6"
   s.rubyforge_project         = "paranoia"
 
-  s.add_dependency "activerecord", ">= 3.1.0"
+  s.add_dependency "activerecord", ">= 4.0.0.beta1"
 
   s.add_development_dependency "bundler", ">= 1.0.0"
   s.add_development_dependency "sqlite3"

test/paranoia_test.rb

@@ -103,7 +103,7 @@ class ParanoiaTest < Test::Unit::TestCase
   # Regression test for #24
   def test_chaining_for_paranoid_models
     scope = FeaturefulModel.where(:name => "foo").only_deleted
-    assert_equal "foo", scope.where_values_hash[:name]
+    assert_equal "foo", scope.where_values_hash['name']
     assert_equal 2, scope.where_values.count
   end
 
@@ -193,7 +193,7 @@ class ParanoiaTest < Test::Unit::TestCase
     model.save
     model.destroy!
 
-    assert_equal false, ParanoidModel.unscoped.exists?(model.id)
+    refute ParanoidModel.unscoped.exists?(model.id)
   end
 
   def test_real_delete
@@ -201,7 +201,7 @@ class ParanoiaTest < Test::Unit::TestCase
     model.save
     model.delete!
 
-    assert_equal false, ParanoidModel.unscoped.exists?(model.id)
+    refute ParanoidModel.unscoped.exists?(model.id)
   end
 
   private