Add distinct to association

lib/acts_as_pasting/pastable.rb

@@ -9,7 +9,7 @@ module ActsAsPasting
 
       # ary => [[klass, id], [klass, id]]
       # ary => [obj, obj]
-      scope :pasted_with_any, ->(ary, prefix: '') {
+      scope :pastable_with_any, ->(ary, prefix: '') {
         ary = parsed_condition_ary(ary)
         arel = Arel::Table.new(:acts_as_pasting_pastings, as: "acts_as_pasting_pastings_#{SecureRandom.hex(10)}")
         source_arel = arel_table
@@ -23,10 +23,10 @@ module ActsAsPasting
         joins(arel.join(arel).on(join_condition).join_sources).distinct
       }
 
-      scope :pasted_with_all, ->(ary, prefix: '') {
+      scope :pastable_with_all, ->(ary, prefix: '') {
         ary = parsed_condition_ary(ary)
         ary.reduce(where(nil)) do |association, value|
-          association.pasted_with_any([value], prefix: prefix)
+          association.pastable_with_any([value], prefix: prefix)
         end
       }
     end
@@ -35,7 +35,7 @@ module ActsAsPasting
       def acts_as_pastable associations, prefix: '', **options
         pasting_name = prefix.blank? ? "#{associations}_pastings".to_sym : [associations, prefix, 'pastings'].join('_').to_sym
         has_many(pasting_name, -> { where(type: prefix) }, as: :pasteable, class_name: 'ActsAsPasting::Pasting')
-        has_many(associations, through: pasting_name, source: :pasted, **options)
+        has_many(associations, -> { distinct }, through: pasting_name, source: :pasted, **options)
       end
     end
   end

lib/acts_as_pasting/pasted.rb

@@ -204,7 +204,7 @@ module ActsAsPasting
       def acts_as_pasted associations, prefix: '', **options
         pasting_name = prefix.blank? ? "#{associations}_pastings".to_sym : [associations, prefix, 'pastings'].join('_').to_sym
         has_many(pasting_name, -> { where(type: prefix) }, class_name: 'ActsAsPasting::Pasting', as: :pasted)
-        has_many(associations, through: pasting_name, source: :pasteable, **options)
+        has_many(associations, -> { distinct }, through: pasting_name, source: :pasteable, **options)
       end
     end