21 lines
564 B
Ruby
21 lines
564 B
Ruby
class Paginator
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attr_reader :page, :per_page
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def initialize(params, per_page, custom_name = 'p')
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@current_page = params[custom_name].nil? || params[custom_name].to_i < 1 ? 1 : params[custom_name].to_i
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@per_page = per_page
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end
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def get_page(items)
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start_index = (@current_page - 1) * @per_page
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items[start_index, @per_page]
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end
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def pages_info(items)
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total_pages = (items.length / @per_page.to_f).ceil
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(1..total_pages).map do |page_number|
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{ page: page_number, is_current: page_number == @current_page }
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end
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end
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end
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