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# See the Pagy documentation: https://ddnexus.github.io/pagy/extras/out_of_range
# frozen_string_literal: true
class Pagy
VARS[:out_of_range_mode] = :last_page
def out_of_range?; @out_of_range end
module OutOfRange
def initialize(vars)
super
rescue OutOfRangeError
@out_of_range = true # add the out_of_range flag
case @vars[:out_of_range_mode]
when :exception
raise # same as without the extra
when :last_page
initial_page = @vars[:page] # save the very initial page (even after re-run)
super(vars.merge!(page: @last)) # re-run with the last page
@vars[:page] = initial_page # restore the inital page
when :empty_page
@offset = @items = @from = @to = 0 # vars relative to the actual page
@prev = @last # prev relative to the actual page
extend(Series) # special series for :empty_page
else
raise ArgumentError, "expected :out_of_range_mode variable in [:last_page, :empty_page, :exception]; got #{@vars[:out_of_range_mode].inspect}"
end
end
end
module Series
def series(size=@vars[:size])
@page = @last # series for last page
super(size).tap do |s| # call original series
s[s.index(@page.to_s)] = @page # string to integer (i.e. no current page)
@page = @vars[:page] # restore the actual page
end
end
end
prepend OutOfRange
end
Version data entries
16 entries across 16 versions & 1 rubygems