Class: ProblemAI

Inherits:
Object
  • Object
show all
Defined in:
lib/asker/ai/problem/problem_ai.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#problem ⇒ Object

Returns the value of attribute problem.



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# File 'lib/asker/ai/problem/problem_ai.rb', line 5

def problem
  @problem
end

Instance Method Details

#call(problem) ⇒ Object 



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# File 'lib/asker/ai/problem/problem_ai.rb', line 7

def call(problem)
  @problem = problem
  make_questions
  @problem
end

#hide(text) ⇒ Object 



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# File 'lib/asker/ai/problem/problem_ai.rb', line 240

def hide(text)
  output = []
  text.chars do |c|
    output << if c == " "
      c
    else
      "?"
    end
  end
  output.join
end

#make_questions ⇒ Object 



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# File 'lib/asker/ai/problem/problem_ai.rb', line 13

def make_questions
  @counter = 0
  @questions = []
  @customs = get_customs(@problem)
  make_questions_with_aswers
  make_questions_with_steps
  @problem.questions = @questions
end

#make_questions_with_steps ⇒ Object 



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# File 'lib/asker/ai/problem/problem_ai.rb', line 141

def make_questions_with_steps
  name = @problem.name
  lang = @problem.lang

  @customs.each do |custom|
    desc = customize(text: @problem.desc, custom: custom)

    @problem.asks.each do |ask|
      next if ask[:text].nil?
      asktext = customize(text: ask[:text], custom: custom)
      next if ask[:steps].nil? || ask[:steps].empty?
      steps = ask[:steps].map { |step| customize(text: step, custom: custom) }

      # Question steps ok
      q = Question.new(:short)
      q.name = "#{name}-#{counter}-07ps3short-ok"
      q.text = lang.text_for(:ps3, desc, asktext, lines_to_s(steps))
      q.shorts << 0
      @questions << q

      # Question steps ordering
      if steps.size > 3
        q = Question.new(:ordering)
        q.name = "#{name}-#{counter}-08ps6ordering"
        q.text = lang.text_for(:ps6, desc, asktext, lines_to_s(steps))
        steps.each { |step| q.ordering << step }
        @questions << q
      end

      # Question steps hide
      if steps.size > 3
        (0...(steps.size)).each do |index|
          q = Question.new(:short)
          q.name = "#{name}-#{counter}-09ps7short-hide"
          hide_steps = steps.clone
          hide_steps[index] = hide(steps[index])
          q.text = lang.text_for(:ps7, desc, asktext, lines_to_s(hide_steps))
          q.shorts << steps[index]
          @questions << q
        end
      end

      # Using diferents wrong steps sequences
      max = steps.size - 1
      (0..max).each do |index|
        change = rand(max + 1)
        bads = steps.clone

        minor = index
        major = change
        if minor > major
          minor, major = major, minor
        elsif minor == major
          next
        end
        bads[minor], bads[major] = bads[major], bads[minor]

        # Question steps error
        q = Question.new(:short)
        q.name = "#{name}-#{counter}-10ps3short-error"
        q.text = lang.text_for(:ps3, desc, asktext, lines_to_s(bads))
        q.shorts << minor + 1
        q.feedback = lang.text_for(:ps4, minor + 1, major + 1)
        @questions << q
      end

      # Match questions
      indexes = (0..(steps.size - 1)).to_a.shuffle
      (0..(steps.size - 4)).each do |first|
        incomplete_steps = steps.clone
        incomplete_steps[indexes[first]] = "?"
        incomplete_steps[indexes[first + 1]] = "?"
        incomplete_steps[indexes[first + 2]] = "?"
        incomplete_steps[indexes[first + 3]] = "?"

        q = Question.new(:match)
        q.name = "#{name}-#{counter}-11ps5match"
        q.text = lang.text_for(:ps5, desc,  asktext, lines_to_s(incomplete_steps))
        q.matching << [steps[indexes[first]], (indexes[first] + 1).to_s]
        q.matching << [steps[indexes[first + 1]], (indexes[first + 1] + 1).to_s]
        q.matching << [steps[indexes[first + 2]], (indexes[first + 2] + 1).to_s]
        q.matching << [steps[indexes[first + 3]], (indexes[first + 3] + 1).to_s]
        q.matching << ["", lang.text_for(:error)]
        @questions << q

        q = Question.new(:ddmatch)
        q.name = "#{name}-#{counter}-12ps5ddmatch"
        q.text = lang.text_for(:ps5, desc,  asktext, lines_to_s(incomplete_steps))
        q.matching << [(indexes[first] + 1).to_s, steps[indexes[first]]]
        q.matching << [(indexes[first + 1] + 1).to_s, steps[indexes[first + 1]]]
        q.matching << [(indexes[first + 2] + 1).to_s, steps[indexes[first + 2]]]
        q.matching << [(indexes[first + 3] + 1).to_s, steps[indexes[first + 3]]]
        q.matching << ["", lang.text_for(:error)]
        @questions << q
      end
    end
  end
end