Class: Storify::Pager

Inherits:
Object
  • Object
show all
Defined in:
lib/storify/pager.rb

Constant Summary collapse

MIN_PAGE = 
1
MAX_PER_PAGE = 
50

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(page: 1, per_page: 20, max: 0) ⇒ Pager

Returns a new instance of Pager.



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# File 'lib/storify/pager.rb', line 8

def initialize(page: 1, per_page: 20, max: 0)
  @max = max.to_i.abs
  self.page=(page)
  self.per_page=(per_page)
end

Instance Attribute Details

#max ⇒ Object (readonly)

Returns the value of attribute max.



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# File 'lib/storify/pager.rb', line 6

def max
  @max
end

#page ⇒ Object

Returns the value of attribute page.



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# File 'lib/storify/pager.rb', line 6

def page
  @page
end

#per_page ⇒ Object

Returns the value of attribute per_page.



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# File 'lib/storify/pager.rb', line 6

def per_page
  @per_page
end

Instance Method Details

#has_pages?(array = []) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/storify/pager.rb', line 32

def has_pages?(array = [])
  return false unless array.is_a?(Array)
  return false if (@page > @max && @max != 0)

  array.length != 0
end

#next ⇒ Object 



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# File 'lib/storify/pager.rb', line 18

def next
  self.page=(@page + 1)
  self
end

#prev ⇒ Object 



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# File 'lib/storify/pager.rb', line 23

def prev
  self.page=(@page - 1)
  self
end

#to_hash ⇒ Object 



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# File 'lib/storify/pager.rb', line 28

def to_hash
  {:page => @page, :per_page => @per_page}
end