update pasting_name

lib/acts_as_pasting/pastable.rb

@@ -33,9 +33,9 @@ module ActsAsPasting
 
     module ClassMethods
       def acts_as_pastable associations, prefix: '', **options
-        pasting_name = prefix.blank? ? :pastable_pastings : [prefix, 'pastable_pastings'].join('_').to_sym
-        has_many pasting_name, as: :pasteable, class_name: 'ActsAsPasting::Pasting'
-        has_many associations, through: pasting_name, source: :pasted, **options
+        pasting_name = prefix.blank? ? "#{associations}_pastings" : [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)
       end
     end
   end

lib/acts_as_pasting/pasted.rb

@@ -202,9 +202,9 @@ module ActsAsPasting
       end
 
       def acts_as_pasted associations, prefix: '', **options
-        pasting_name = prefix.blank? ? :pastings : [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
+        pasting_name = prefix.blank? ? "#{associations}_pastings" : [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)
       end
     end