# File lib/will_paginate.rb, line 52
def self.construct_count_options_from_args(*args)
  result = super
  result[0] = '*' if result[0].is_a?(String) and result[0] =~ /\.\*$/
  result
end

# File lib/will_paginate.rb, line 14
def enable
  enable_actionpack
  enable_activerecord
end

# File lib/will_paginate.rb, line 20
def enable_actionpack
  return if ActionView::Base.instance_methods.include_method? :will_paginate
  require 'will_paginate/view_helpers'
  ActionView::Base.send :include, ViewHelpers

  if defined?(ActionController::Base) and ActionController::Base.respond_to? :rescue_responses
    ActionController::Base.rescue_responses['WillPaginate::InvalidPage'] = :not_found
  end
end

# File lib/will_paginate.rb, line 32
def enable_activerecord
  return if ActiveRecord::Base.respond_to? :paginate
  require 'will_paginate/finder'
  ActiveRecord::Base.send :include, Finder

  # support pagination on associations
  a = ActiveRecord::Associations
  returning([ a::AssociationCollection ]) { |classes|
    # detect http://dev.rubyonrails.org/changeset/9230
    unless a::HasManyThroughAssociation.superclass == a::HasManyAssociation
      classes << a::HasManyThroughAssociation
    end
  }.each do |klass|
    klass.send :include, Finder::ClassMethods
    klass.class_eval { alias_method_chain :method_missing, :paginate }
  end
  
  # monkeypatch Rails ticket #2189: "count breaks has_many :through"
  ActiveRecord::Base.class_eval do
    protected
    def self.construct_count_options_from_args(*args)
      result = super
      result[0] = '*' if result[0].is_a?(String) and result[0] =~ /\.\*$/
      result
    end
  end
end

# File lib/will_paginate.rb, line 68
def enable_named_scope(patch = true)
  return if defined? ActiveRecord::NamedScope
  require 'will_paginate/named_scope'
  require 'will_paginate/named_scope_patch' if patch

  ActiveRecord::Base.send :include, WillPaginate::NamedScope
end