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31 lines
703 B
Ruby
31 lines
703 B
Ruby
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module Kaminari
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module ActiveRecord
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extend ActiveSupport::Concern
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PER_PAGE = 10
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included do
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def self.inherited(kls)
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kls.class_eval do
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# page(5)
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scope :page, lambda {|num|
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offset(PER_PAGE * ([num.to_i, 1].max - 1)).limit(PER_PAGE)
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} do
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# page(3).per(20)
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def per(num)
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offset(offset_value / limit_value * num).limit(num)
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end
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def num_pages
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(except(:offset, :limit).count.to_f / limit_value).ceil
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end
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def current_page
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(offset_value / limit_value) + 1
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end
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end
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end
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end
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end
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end
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end
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