Class: ClosestNeighbours::Grouper::GrouperHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/closest_neighbours/grouper.rb

Overview

Helper class to index data and extract ranges from an enumberble

Instance Method Summary collapse

Constructor Details

#initialize(groups, data) ⇒ GrouperHelper

Returns a new instance of GrouperHelper.



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# File 'lib/closest_neighbours/grouper.rb', line 27

def initialize(groups, data)
  @groups = groups
  @data = data
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/closest_neighbours/grouper.rb', line 32

def call
  if groups == 1
    [data]
  elsif groups >= data.count
    cells + blanks
  else
    ranges.map { |range| data[range] }
  end
end