Class: VCardio::Validator::DocumentValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/vcardio/validator/document_validator.rb

Class Method Summary collapse

Class Method Details

.call(document) ⇒ Object



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# File 'lib/vcardio/validator/document_validator.rb', line 7

def self.call(document)
  lines = document.reject(&:empty?)

  begin_vcard = false
  end_vcard = false
  fn = false
  version = false

  lines.each_with_index do |line, i|
    if i == 0 && /\ABEGIN:VCARD\z/.match(line)
      begin_vcard = true
    elsif (i == lines.size - 1) && /\AEND:VCARD\z/.match(line)
      end_vcard = true
    elsif /\AFN:/.match(line)
      fn = true
    elsif i == 1 && /\AVERSION:(3.0|4.0)\z/.match(line)
      version = true
    end
  end

  fail(VCardio::Error, 'Invalid vCard: First line must be BEGIN:VCARD') unless begin_vcard
  fail(VCardio::Error, 'Invalid vCard: Last line must be END:VCARD') unless end_vcard
  fail(VCardio::Error, 'Invalid vCard: Second line must be VERSION with value 3.0 or 4.0') unless version
  fail(VCardio::Error, 'Invalid vCard: Must contain the FN property') unless fn
end