Module: PaginateSimple

Defined in:
lib/paginate-simple.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#current_page ⇒ Object

Returns the value of attribute current_page.



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# File 'lib/paginate-simple.rb', line 2

def current_page
  @current_page
end

#per_page ⇒ Object

Returns the value of attribute per_page.



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# File 'lib/paginate-simple.rb', line 2

def per_page
  @per_page
end

#total ⇒ Object

Returns the value of attribute total.



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# File 'lib/paginate-simple.rb', line 2

def total
  @total
end

Instance Method Details

#config(args = {}) ⇒ Object 



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# File 'lib/paginate-simple.rb', line 4

def config(args = {})
  args = { :per_page => 10 }.merge(args)
  self.current_page = args[:page]
  self.total = args[:total]
  @per_page = args[:per_page] 
end

#first_page ⇒ Object 



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# File 'lib/paginate-simple.rb', line 23

def first_page
  1
end

#has_next_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/paginate-simple.rb', line 15

def has_next_page?
  current_page < num_of_pages
end

#has_previous_page? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/paginate-simple.rb', line 19

def has_previous_page?
  current_page > first_page
end

#last_page ⇒ Object 



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# File 'lib/paginate-simple.rb', line 27

def last_page
  num_of_pages
end

#next_page ⇒ Object 



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# File 'lib/paginate-simple.rb', line 39

def next_page
  has_next_page? ? current_page + 1 : nil
end

#num_of_pages ⇒ Object 



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# File 'lib/paginate-simple.rb', line 11

def num_of_pages
  (total.to_f / per_page.to_f).ceil 
end

#offset ⇒ Object 



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# File 'lib/paginate-simple.rb', line 35

def offset
  (current_page - 1) * per_page
end

#pages ⇒ Object 



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# File 'lib/paginate-simple.rb', line 31

def pages
  (first_page..last_page).to_a
end

#previous_page ⇒ Object 



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# File 'lib/paginate-simple.rb', line 43

def previous_page
  has_previous_page? ? current_page - 1 : nil
end