Module: Kaminari::PageScopeMethods::InstanceMethods

Defined in:
lib/kaminari/models/page_scope_methods.rb

Instance Method Summary collapse

Instance Method Details

#current_page ⇒ Object

Current page number



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# File 'lib/kaminari/models/page_scope_methods.rb', line 21

def current_page
  (offset_value / limit_value) + 1
end

#first_page? ⇒ Boolean

First page of the collection ?

Returns:

  • (Boolean) 


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# File 'lib/kaminari/models/page_scope_methods.rb', line 26

def first_page?
  current_page == 1
end

#last_page? ⇒ Boolean

Last page of the collection?

Returns:

  • (Boolean) 


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# File 'lib/kaminari/models/page_scope_methods.rb', line 31

def last_page?
  current_page >= num_pages
end

#num_pages ⇒ Object

Total number of pages



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# File 'lib/kaminari/models/page_scope_methods.rb', line 16

def num_pages
  (total_count.to_f / limit_value).ceil
end

#per(num) ⇒ Object

Specify the per_page value for the preceding page scope

Model.page(3).per(10)



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# File 'lib/kaminari/models/page_scope_methods.rb', line 7

def per(num)
  if (n = num.to_i) <= 0
    self
  else
    limit(n).offset(offset_value / limit_value * n)
  end
end