Module: Deli::Pagination::Collection

Defined in:
lib/deli/pagination.rb

Instance Method Summary collapse

Instance Method Details

#count ⇒ Object

:nodoc:



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# File 'lib/deli/pagination.rb', line 99

def count #:nodoc:
  limit_value ? length : super
end

#current_page ⇒ Object 



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# File 'lib/deli/pagination.rb', line 52

def current_page
  unless @current_page
    if offset_value.blank? || offset_value.zero?
      @current_page = 1
    else
      @current_page = (offset_value.to_f / limit_value).to_i + 1
    end
  end
  
  @current_page
end

#end_count ⇒ Object 



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# File 'lib/deli/pagination.rb', line 48

def end_count
  @end_count ||= start_count + size
end

#first_page ⇒ Object 



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# File 'lib/deli/pagination.rb', line 80

def first_page
  1
end

#has_next? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deli/pagination.rb', line 36

def has_next?
  last_page > current_page
end

#has_prev? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/deli/pagination.rb', line 40

def has_prev?
  current_page > first_page
end

#last_page ⇒ Object 



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# File 'lib/deli/pagination.rb', line 84

def last_page
  page_count
end

#next_page ⇒ Object 



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# File 'lib/deli/pagination.rb', line 64

def next_page
  unless @next_page
    @next_page = current_page + 1 > last_page ? last_page : current_page + 1
  end

  @next_page
end

#page_count ⇒ Object 



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# File 'lib/deli/pagination.rb', line 92

def page_count
  @page_count ||= (total_count.to_f / page_size).ceil
end

#page_size ⇒ Object 



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# File 'lib/deli/pagination.rb', line 88

def page_size
  @page_size ||= limit_value
end

#prev_page ⇒ Object 



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# File 'lib/deli/pagination.rb', line 72

def prev_page
  unless @prev_page
    @prev_page = current_page - 1 < first_page ? first_page : current_page - 1
  end

  @prev_page
end

#start_count ⇒ Object 



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# File 'lib/deli/pagination.rb', line 44

def start_count
  @start_count ||= (((current_page || 1) - 1) * page_size)
end

#total_count ⇒ Object

:nodoc:



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# File 'lib/deli/pagination.rb', line 104

def total_count
  @total_count ||= proxy_scope.count(proxy_options.except(:limit, :offset, :order))
end