class Pragma::Decorator::Pagination::Adapter::WillPaginate
This adapter provides support for retrieving pagination information from collections paginated with {github.com/mislav/will_paginate will_paginate}.
@api private
Public Class Methods
Returns whether this adapter supports the given collection.
Esnures that the WillPaginate
constant is defined and that the collection responds to #previous_page
.
@return [Boolean] whether the adapter supports the given collection
@see Adapter.load_adaptor
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 23 def supports?(collection) Object.const_defined?('WillPaginate') && collection.respond_to?(:previous_page) end
Public Instance Methods
Returns the number of the current page.
@return [Integer] the number of the current page
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 59 def current_page collection.current_page end
Returns the number of the next page, if any.
@return [Integer|NilClass] the number of the next page, if any
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 66 def next_page collection.next_page end
Returns the number of entries per page in the collection.
@return [Integer] the number of entries per page in the collection
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 38 def per_page collection.per_page end
Returns the number of the previous page, if any.
@return [Integer|NilClass] the number of the previous page, if any
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 52 def previous_page collection.previous_page end
Returns the total number of entries in the collection.
@return [Integer] the total number of entries in the collection
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 31 def total_entries collection.total_entries end
Returns the total number of pages in the collection.
@return [Integer] the total number of pages in the collection
# File lib/pragma/decorator/pagination/adapter/will_paginate.rb, line 45 def total_pages collection.total_pages end