Class: Pagelux::QueryPaginator::PaginationData

Inherits:
Object
  • Object
show all
Defined in:
lib/pagelux/query_paginator.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(page = nil, limit = nil, query_total) ⇒ PaginationData

Returns a new instance of PaginationData.



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# File 'lib/pagelux/query_paginator.rb', line 35

def initialize(page=nil, limit=nil, query_total)
  @total = query_total
  @limit = (limit || self.class.default_limit).to_i
  @page =  normalize_page(page)
end

Instance Attribute Details

#limit ⇒ Object (readonly)

Returns the value of attribute limit.



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# File 'lib/pagelux/query_paginator.rb', line 33

def limit
  @limit
end

#page ⇒ Object (readonly)

Returns the value of attribute page.



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# File 'lib/pagelux/query_paginator.rb', line 33

def page
  @page
end

#total ⇒ Object (readonly)

Returns the value of attribute total.



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# File 'lib/pagelux/query_paginator.rb', line 33

def total
  @total
end

Class Method Details

.default_limit ⇒ Object 



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# File 'lib/pagelux/query_paginator.rb', line 45

def self.default_limit
  100
end

.default_page ⇒ Object 



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# File 'lib/pagelux/query_paginator.rb', line 41

def self.default_page
  1
end

Instance Method Details

#last_page ⇒ Object 



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# File 'lib/pagelux/query_paginator.rb', line 56

def last_page
  (total/limit.to_f).ceil
end

#normalize_page(n) ⇒ Object 



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# File 'lib/pagelux/query_paginator.rb', line 49

def normalize_page(n)
  n = (n  || self.class.default_page).to_i
  n = n > last_page ? last_page : n
  n = self.class.default_page if n < self.class.default_page
  n
end