Class: Kiba::Extend::Utils::Lookup::PairEquality

Inherits:
Object
  • Object
show all
Defined in:
lib/kiba/extend/utils/lookup/pair_equality.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pair:, row:, mergerow: {}) ⇒ PairEquality

Returns a new instance of PairEquality.



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# File 'lib/kiba/extend/utils/lookup/pair_equality.rb', line 10

def initialize(pair:, row:, mergerow: {})
  comparison_type = :equals
  pair = pair.map { |e| e.split("::") }
  # convert row or mergerow fieldnames to symbols
  pair = pair.each { |arr| arr[1] = arr[1].to_sym if arr[0]["row"] }
  # fetch or convert values for comparison
  pair = pair.map do |arr|
    case arr[0]
    when "row"
      row.fetch(arr[1], "%field does not exist%")
    when "mergerow"
      mergerow.fetch(arr[1], "%field does not exist%")
    when "revalue"
      comparison_type = :match
      arr[1] = "^#{arr[1]}$"
      Regexp.new(arr[1])
    when "value"
      arr[1]
    end
  end

  unless pair.include?(nil) && pair.include?("")
    # replace nil value with empty string for comparison
    pair = pair.map { |e| e.nil? ? "" : e }
  end

  case comparison_type
  when :equals
    @result = pair[0] == pair[1]
  when :match
    @result = pair[0].match?(pair[1])
  end
end

Instance Attribute Details

#result ⇒ Object (readonly)

Returns the value of attribute result.



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# File 'lib/kiba/extend/utils/lookup/pair_equality.rb', line 8

def result
  @result
end