class Decidim::Forms::UserAnswersSerializer

This class serializes the answers given by a User for questionnaire so can be exported to CSV, JSON or other formats.

Public Class Methods

new(answers) click to toggle source

Public: Initializes the serializer with a collection of Answers.

# File lib/decidim/forms/user_answers_serializer.rb, line 11
def initialize(answers)
  @answers = answers
end

Public Instance Methods

serialize() click to toggle source

Public: Exports a hash with the serialized data for the user answers.

# File lib/decidim/forms/user_answers_serializer.rb, line 16
def serialize
  @answers.each_with_index.inject({}) do |serialized, (answer, idx)|
    serialized.update(
      answer_translated_attribute_name(:id) => answer.session_token,
      answer_translated_attribute_name(:created_at) => answer.created_at.to_s(:db),
      answer_translated_attribute_name(:ip_hash) => answer.ip_hash,
      answer_translated_attribute_name(:user_status) => answer_translated_attribute_name(answer.decidim_user_id.present? ? "registered" : "unregistered"),
      "#{idx + 1}. #{translated_attribute(answer.question.body)}" => normalize_body(answer)
    )
  end
end

Private Instance Methods

answer_translated_attribute_name(attribute) click to toggle source
# File lib/decidim/forms/user_answers_serializer.rb, line 65
def answer_translated_attribute_name(attribute)
  I18n.t(attribute.to_sym, scope: "decidim.forms.user_answers_serializer")
end
normalize_attachments(answer) click to toggle source
# File lib/decidim/forms/user_answers_serializer.rb, line 36
def normalize_attachments(answer)
  return if answer.attachments.blank?

  answer.attachments.map(&:url)
end
normalize_body(answer) click to toggle source
# File lib/decidim/forms/user_answers_serializer.rb, line 30
def normalize_body(answer)
  answer.body ||
    normalize_attachments(answer) ||
    normalize_choices(answer, answer.choices)
end
normalize_choices(answer, choices) click to toggle source
# File lib/decidim/forms/user_answers_serializer.rb, line 42
def normalize_choices(answer, choices)
  if answer.question.matrix?
    normalize_matrix_choices(answer, choices)
  else
    choices.map do |choice|
      choice.try(:custom_body) || choice.try(:body)
    end
  end
end
normalize_matrix_choices(answer, choices) click to toggle source
# File lib/decidim/forms/user_answers_serializer.rb, line 52
def normalize_matrix_choices(answer, choices)
  answer.question.matrix_rows.map do |matrix_row|
    row_body = translated_attribute(matrix_row.body)

    row_choices = answer.question.answer_options.map do |answer_option|
      choice = choices.find_by(matrix_row: matrix_row, answer_option: answer_option)
      choice.try(:custom_body) || choice.try(:body)
    end

    [row_body, row_choices]
  end.to_h
end