Class: Word2Quiz::Question

Inherits:
Object
  • Object
show all
Defined in:
lib/word_2_quiz/question.rb

Overview

Question contains all data for a single question. A question has text, and answers.

Constant Summary collapse

POINTS_POSSIBLE = 
5

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(text = "", answers = []) ⇒ Question

Returns a new instance of Question.



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# File 'lib/word_2_quiz/question.rb', line 14

def initialize(text = "", answers = [])
  @answers = answers
  @text = text
end

Instance Attribute Details

#answers ⇒ Object

Returns the value of attribute answers.



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# File 'lib/word_2_quiz/question.rb', line 10

def answers
  @answers
end

#text ⇒ Object

Returns the value of attribute text.



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# File 'lib/word_2_quiz/question.rb', line 10

def text
  @text
end

Class Method Details

.from_paragraphs(paragraphs, solution) ⇒ Object

Creates a question from an array of strings paragraphs: an array of nokogiri nodes containing each line for the question text and answers solution: a string containing which answer(a,b,c,d) is correct



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# File 'lib/word_2_quiz/question.rb', line 25

def self.from_paragraphs(paragraphs, solution)
  if solution.nil? || solution.empty?
    raise InvalidAnswerKey.new(
      "Question #{Helpers.get_question_number(paragraphs)} does not have" +
      " an answer.",
    )
  end

  answer_start_indexes = paragraphs.each_index.select do |i|
    # an answer starts with a letter then a dot
    paragraphs[i].text.match(/^[a-z]\./)
  end

  all_answer_paragraphs = Helpers.map_to_boundaries(
    indexes: answer_start_indexes,
    paragraphs: paragraphs,
  )

  question_paragraphs = paragraphs.take(answer_start_indexes.first)
  question_paragraphs = Helpers.strip_blanks(question_paragraphs)
  question_text = question_paragraphs.map do |paragraph|
    paragraph.to_html.sub(/(>)\d+\.\s?/, '\1') # Remove question number.
  end.join("\n")

  answers = []

  all_answer_paragraphs.each do |answer_paragraphs|
    answer = Answer.from_paragraphs(answer_paragraphs, solution)
    answers.push(answer)
  end

  Question.new(question_text, answers)
end

Instance Method Details

#to_canvas ⇒ Object 



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# File 'lib/word_2_quiz/question.rb', line 66

def to_canvas
  {
    question_type: "multiple_choice_question",
    question_text: @text,
    points_possible: POINTS_POSSIBLE,
    answers: @answers.map(&:to_canvas),
  }
end

#to_h ⇒ Object 



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# File 'lib/word_2_quiz/question.rb', line 59

def to_h
  {
    text: @text,
    answers: @answers.map(&:to_h),
  }
end