Class: Kiba::Extend::Utils::Lookup::MultivalPairs

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of MultivalPairs.



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

def initialize(pair:, row:, sep:, mergerow: {})
  @result = []
  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], "")].map do |e|
        (e.nil? || e.empty?) ? "%comparenothing%" : e
      end
    when "mvrow"
      row.fetch(arr[1], "").split(sep).map do |e|
        (e.nil? || e.empty?) ? "%comparenothing%" : e
      end
    when "mergerow"
      [mergerow.fetch(arr[1], "")].map do |e|
        (e.nil? || e.empty?) ? "%comparenothing%" : e
      end
    when "mvmergerow"
      mergerow.fetch(arr[1], "").split(sep).map do |e|
        (e.nil? || e.empty?) ? "%comparenothing%" : e
      end
    when "revalue"
      "revalue::#{arr[1]}"
    when "value"
      arr[1]
    end
  end
  pair[0].product(pair[1]).each do |mvpair|
    @result << mvpair.map do |e|
      e.start_with?("revalue") ? e : "value::#{e}"
    end
  end
end

Instance Attribute Details

#result ⇒ Object (readonly)

Returns the value of attribute result.



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

def result
  @result
end