support rails 5

Author: Kenneth-KT

activerecord-delay_touching.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency             "activerecord", "~> 4.2"
+  spec.add_dependency             "activerecord", ">= 4.2", "< 5.3"
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake"

lib/activerecord/delay_touching.rb

@@ -6,12 +6,14 @@ module DelayTouching
     extend ActiveSupport::Concern
 
     # Override ActiveRecord::Base#touch.
-    def touch(*names)
-      if self.class.delay_touching? && !try(:no_touching?)
-        DelayTouching.add_record(self, *names)
-        true
-      else
-        super
+    if ActiveRecord::VERSION::MAJOR >= 5
+      def touch(*names, time: nil)
+        names = self.class.send(:timestamp_attributes_for_update_in_model) if names.empty?
+        DelayTouching.handle_touch(self, names) || super
+      end
+    else
+      def touch(*names)
+        DelayTouching.handle_touch(self, names) || super
       end
     end
 
@@ -45,6 +47,13 @@ class << self
       delegate :add_record, to: :state
     end
 
+    def self.handle_touch(record, names)
+      if record.class.delay_touching? && !record.try(:no_touching?)
+        add_record(record, *names)
+        true
+      end
+    end
+
     # Start delaying all touches. When done, apply them. (Unless nested.)
     def self.call
       state.nesting += 1
@@ -88,10 +97,8 @@ def self.touch_records(attr, klass, records)
           records.each do |record|
             # Don't bother if destroyed or not-saved
             next unless record.persisted?
-            record.instance_eval do
-              write_attribute column, current_time
-              @changed_attributes.except!(*changes.keys)
-            end
+            record.send(:write_attribute, column, current_time)
+            clear_attribute_changes(record, changes.keys)
           end
         end
 
@@ -100,6 +107,14 @@ def self.touch_records(attr, klass, records)
       state.updated attr, records
       records.each { |record| record.run_callbacks(:touch) }
     end
+
+    def self.clear_attribute_changes(record, attr_names)
+      if ActiveRecord::VERSION::MAJOR >= 5
+        record.clear_attribute_changes(attr_names)
+      else
+        record.instance_variable_get('@changed_attributes').except!(*attr_names)
+      end
+    end
   end
 end