Module: Kaminari::PageScopeMethods

Included in:
DataMapperExtension::Paginating, PluckyCriteriaMethods
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 27

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 32

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 37

def last_page?
  current_page >= total_pages
end

#padding(num) ⇒ Object 



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# File 'lib/kaminari/models/page_scope_methods.rb', line 15

def padding(num)
  offset(offset_value + num.to_i)
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 5

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

#total_pages ⇒ Object Also known as: num_pages

Total number of pages



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# File 'lib/kaminari/models/page_scope_methods.rb', line 20

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