Module: KaminariExtension::QueryExt

Extended by:
ActiveSupport::Concern
Includes:
Kaminari::PageScopeMethods
Defined in:
lib/kaminari_extension.rb

Instance Method Summary collapse

Instance Method Details

#limit_value ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 22

def limit_value
  criteria[:limit]
end

#max_per_page ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 34

def max_per_page
  @klass.max_per_page
end

#offset_value ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 26

def offset_value
  criteria[:skip]
end

#page(num) ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 38

def page(num)
  limit(@klass.default_per_page).skip(@klass.default_per_page * ([num.to_i, 1].max - 1))
  self
end

#per(num) ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 43

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

#total_count ⇒ Object 



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# File 'lib/kaminari_extension.rb', line 30

def total_count
  count
end